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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">LV</journal-id>
<journal-id journal-id-type="nlm-ta">Lijec Vjesn</journal-id>
<journal-title-group>
<journal-title>Lijecnicki Vjesnik</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Lijec. Vjesn.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="ppub">0024-3477</issn>
<issn pub-type="epub">1849-2177</issn>
<publisher><publisher-name>Croatian Medical Association</publisher-name></publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="publisher-id">LV-141-1</article-id>
<article-id pub-id-type="doi">10.26800/LV-141-1-2-1</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Guidelines</subject></subj-group>
</article-categories>
<title-group>
<article-title>Smjernice Hrvatskog dru&#x0161;tva za hematologiju HLZ-a i KROHEM-a za zbrinjavanje anemije uzrokovane manjkom &#x017E;eljeza</article-title>
<trans-title-group xml:lang="en">
<trans-title>Croatian Hematology Society and CROHEM guidelines for the treatment of iron deficiency anemia</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author"><name><surname>Radman</surname><given-names>Ivo</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Vodanovi&#x0107;</surname><given-names>Marijo</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mandac-Rogulj</surname><given-names>Inga</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff4"><sup>4</sup></xref></contrib><contrib contrib-type="author"><name><surname>Roganovi&#x0107;</surname><given-names>Jelena</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff5"><sup>5</sup></xref><xref ref-type="aff" rid="aff6"><sup>6</sup></xref></contrib><contrib contrib-type="author"><name><surname>Petranovi&#x0107;</surname><given-names>Du&#x0161;ka</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff6"><sup>6</sup></xref><xref ref-type="aff" rid="aff8"><sup>8</sup></xref></contrib><contrib contrib-type="author"><name><surname>Valkovi&#x0107;</surname><given-names>Toni</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff6"><sup>6</sup></xref><xref ref-type="aff" rid="aff8"><sup>8</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ostoji&#x0107; Koloni&#x0107;</surname><given-names>Slobodanka</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff4"><sup>4</sup></xref><xref ref-type="aff" rid="aff7"><sup>7</sup></xref></contrib><contrib contrib-type="author"><name><surname>Pej&#x0161;a</surname><given-names>Vlatko</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff7"><sup>7</sup></xref><xref ref-type="aff" rid="aff9"><sup>9</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ku&#x0161;ec</surname><given-names>Rajko</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff7"><sup>7</sup></xref><xref ref-type="aff" rid="aff9"><sup>9</sup></xref></contrib><contrib contrib-type="author"><name><surname>Aurer</surname><given-names>Igor</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref><xref ref-type="aff" rid="aff7"><sup>7</sup></xref></contrib>
<aff id="aff1"><label>1</label>Zavod za hematologiju, Klinika za unutarnje bolesti, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, KBC Zagreb</aff>
<aff id="aff2"><label>2</label>Zdravstveno veleu&#x010D;ili&#x0161;te Zagreb</aff>
<aff id="aff3"><label>3</label>Hrvatsko dru&#x0161;tvo za hematologiju HLZ-a</aff>
<aff id="aff4"><label>4</label>Zavod za hematologiju, Klinika za unutarnje bolesti, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, KB Merkur</aff>
<aff id="aff5"><label>5</label>Odjel za hematologiju i onkologiju, Klinika za dje&#x010D;je bolesti, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Rijeci, KBC Rijeka</aff>
<aff id="aff6"><label>6</label>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Rijeci</aff>
<aff id="aff7"><label>7</label>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu</aff>
<aff id="aff8"><label>8</label>Zavod za hematologiju, reumatologiju i klini&#x010D;ku imunologiju, Klinika za unutarnje bolesti, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Rijeci, KBC Rijeka</aff>
<aff id="aff9"><label>9</label>Zavod za hematologiju, Klinika za unutarnje bolesti, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, KB Dubrava</aff>
</contrib-group>
<author-notes><corresp id="cor1">Adresa za dopisivanje:&#x2028;Dr. Marijo Vodanovi&#x0107;, <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0001-6170-7358">https://orcid.org/0000-0001-6170-7358</ext-link>&#x2028;Zavod za hematologiju, Klinika za unutarnje bolesti, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, KBC Zagreb &#x201E;Rebro&#x201C;, Ki&#x0161;pati&#x0107;eva 12, 10000 Zagreb; e-mail: <email xlink:href="marijo.vodanovic@gmail.com">marijo.vodanovic@gmail.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>02</month><year>2019</year></pub-date>
<volume>141</volume>
<issue>1-2</issue>
<fpage>1</fpage>
<lpage>13</lpage>
<permissions>
<copyright-year>2019</copyright-year>
<copyright-holder>Croatian Medical Association</copyright-holder>
</permissions>
<abstract>
<p>SA&#x017D;ETAK. Anemija uzrokovana manjkom &#x017E;eljeza ili sideropeni&#x010D;na anemija (SA) va&#x017E;an je javnozdravstveni problem. Gotovo 30% &#x010D;ovje&#x010D;anstva (&gt; 2 milijarde) pati od manjka &#x017E;eljeza. Posebno su ugro&#x017E;eni pred&#x0161;kolska djeca, trudnice i &#x017E;ene u generativnoj dobi. Lije&#x010D;enje sideropeni&#x010D;ne anemije nala&#x017E;e timski rad jer je va&#x017E;no pravodobno otkriti uzrok koji je doveo do gubitka &#x017E;eljeza i lije&#x010D;iti anemiju pripravcima &#x017E;eljeza. Funkcionalni manjak &#x017E;eljeza jest stanje nedovoljne apsorpcije i fiziolo&#x0161;kog iskori&#x0161;tavanja &#x017E;eljeza, dok su rezerve &#x017E;eljeza o&#x010D;uvane ili &#x010D;ak pove&#x0107;ane. Ovaj poreme&#x0107;aj tipi&#x010D;an je za anemiju kod kroni&#x010D;ne bolesti, kroni&#x010D;ne upalne bolesti, kroni&#x010D;noga sr&#x010D;anog popu&#x0161;tanja i maligne bolesti. Pri lije&#x010D;enju sideropeni&#x010D;ne anemije rabimo oralne i parenteralne pripravke &#x017E;eljeza. Noviji parenteralni pripravci daju se u visokoj dozi (jedna ili dvije aplikacije), veoma su djelotvorni i sigurni za primjenu.</p>
</abstract>
<trans-abstract xml:lang="en">
<p>SUMMARY. Iron deficiency anemia (IDA) is an important public health problem. Almost 30% of the world&#x2019;s population (&gt; 2 billion) has iron deficiency (ID) with or without anemia. Treatment of IDA requires teamwork. It is important to treat anemia and the underlying cause of anemia. Functional iron deficiency (FID) is a state with insufficient iron absorption and incorporation into erythroid precursors, whereas iron stores (ferritin) are normal or increased. FID is associated with anemia of chronic disease (ACD), chronic kidney disease, inflammatory bowel disease, chronic heart failure and malignant diseases. Oral and parenteral iron preparations can be used for the treatment of IDA. Novel iron parenteral preparations allow rapid normalization of total body iron even with a single infusion, with high effectiveness and safety.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori SIDEROPENI&#x010C;NA ANEMIJA &#x2013; dijagnoza, etiologija, farmakoterapija</kwd><kwd>&#x017D;ELJEZO &#x2013; manjak, metabolizam, terapijska primjena</kwd><kwd>SMJERNICE</kwd><kwd>HRVATSKA</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>ANEMIA, IRON-DEFICIENCY &#x2013; diagnosis, drug therapy, etiology</kwd><kwd>IRON &#x2013; deficienc, metabolism, therapeutic use</kwd><kwd>PRACTICE GUIDELINES AS TOPIC</kwd><kwd>CROATIA</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Anemija uzrokovana manjkom &#x017E;eljeza ili sideropeni&#x010D;na anemija (SA) va&#x017E;an je javnozdravstveni problem. Gotovo 30% svjetske populacije (&gt; 2 milijarde) ima manjak &#x017E;eljeza povezan s anemijom ili bez nje. Manjak &#x017E;eljeza nalazi se u oko 40% pred&#x0161;kolske djece, 30% &#x017E;ena reproduktivne dobi i 38% trudnica. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r2"><italic>2</italic></xref>) SA javlja se u razvijenim zemljama u 2 &#x2013; 5% odraslih mu&#x0161;karaca i &#x017E;ena u menopauzi. U nerazvijenijim zemljama manjak &#x017E;eljeza i SA nastaju ponajprije zbog nedovoljnog unosa &#x017E;eljeza hranom, gubitka krvi i parazitoza, dok su im u razvijenim zemljama naj&#x010D;e&#x0161;&#x0107;i uzrok vegetarijanska prehrana, kroni&#x010D;no krvarenje i malapsorpcija. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Prosje&#x010D;no se iz hrane apsorbira 1 &#x2013; 2 mg &#x017E;eljeza na dan. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r6"><italic>6</italic></xref>)</p>
<p>Va&#x017E;no je rano prepoznati skupine s rizikom od razvoja sideropenije i anemije. Dijagnostika se temelji na rutinskim pretragama (kompletna krvna slika, serumsko &#x017E;eljezo, transferin i feritin). Potrebno je tra&#x017E;iti uzrok anemije, &#x0161;to nala&#x017E;e timski rad, te ga lije&#x010D;iti pripravcima &#x017E;eljeza. Funkcionalni manjak &#x017E;eljeza javlja se uz kroni&#x010D;ne ili upalne bolesti (autoimunosne bolesti, bubre&#x017E;na bolest, upalna bolest crijeva, sr&#x010D;ano popu&#x0161;tanje, rak).</p>
<p>Smjernice se odnose na klasifikaciju i dijagnostiku sideropeni&#x010D;ne anemije te njezino lije&#x010D;enje koje provodi niz lije&#x010D;nika specijalista/supspecijalista: lije&#x010D;nici obiteljske medicine, pedijatri, internisti i supspecijalisti pojedinih internisti&#x010D;kih struka (hematolozi, gastroenterolozi, nefrolozi, klini&#x010D;ki imunolozi, kardiolozi), zatim ginekolozi, onkolozi i anesteziolozi. Dijagnoza SA jedna je od naj&#x010D;e&#x0161;&#x0107;ih u ambulantama lije&#x010D;nika obiteljske medicine. Stoga su Hrvatsko dru&#x0161;tvo za hematologiju i Hrvatska kooperativna grupa za hematolo&#x0161;ke bolesti (KROHEM) prepoznali va&#x017E;nost pravodobnog dijagnosticiranja i lije&#x010D;enja SA te su u ovom tekstu preporuke prilago&#x0111;ene svakodnevnoj klini&#x010D;koj praksi. Preporuke su temeljene na razini dokaza utvr&#x0111;enoj u objavljenim smjernicama brojnih stru&#x010D;nih dru&#x0161;tava.</p>
<sec sec-type="other1">
<title>Razvoj smjernica</title>
<p>Razvoj smjernica za zbrinjavanje anemije uzrokovane manjkom &#x017E;eljeza zapo&#x010D;ela je Hrvatska kooperativna grupa za hematolo&#x0161;ke bolesti (KROHEM) uz potporu i inicijativu Hrvatskog dru&#x0161;tva za hematologiju (HDH) Hrvatskoga lije&#x010D;ni&#x010D;kog zbora (HLZ). Ciljevi su smjernica standardizacija, izjedna&#x010D;avanje i optimizacija pravodobne dijagnostike, lije&#x010D;enja i pra&#x0107;enja bolesnika s anemijom uzrokovanom manjkom &#x017E;eljeza. Ostvarivanje navedenih ciljeva pobolj&#x0161;at &#x0107;e kvalitetu zdravstvene za&#x0161;tite i smanjiti potro&#x0161;nju krvnih pripravaka dovode&#x0107;i na kraju do u&#x0161;tede sredstava. Smjernice su donesene na osnovi principa metodologije AGREE (engl. <italic>Appraisal of Guidelines for Research and Evaluation</italic>). (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>) Izradu smjernica nisu financijski potpomogle tvrtke, institucije ni udruge, a svi autori pori&#x010D;u sukob interesa. Radna skupina za izradu smjernica sastala se 1. prosinca 2017. Moderatori su bili prof. dr. sc. S. Ostoji&#x0107; Koloni&#x0107; (KB Merkur), prim. dr. I. Radman (KBC Zagreb) i prof. dr. sc. R. Ku&#x0161;ec (KB Dubrava). U Radnoj skupini sudjelovali su najistaknutiji hematolozi iz vi&#x0161;e bolnica u RH.</p>
</sec>
<sec sec-type="other2">
<title>Pregled literature, stupnjevi preporuka i razine dokaza</title>
<p>Dokazi koji potkrepljuju ove smjernice temelje se na sustavnom pregledu literature. Pretra&#x017E;ene su ove baze podataka na engleskom jeziku, bez vremenskog ograni&#x010D;enja publiciranja: <italic>Pubmed/Medline</italic>, <italic>Evidence-Based Medicine Reviews</italic>, <italic>Cochrane Database of Systematic Reviews</italic>, zatim smjernice stru&#x010D;nih dru&#x0161;tava (Ameri&#x010D;ko hematolo&#x0161;ko dru&#x0161;tvo, Britansko dru&#x0161;tvo gastroenterologa, Australsko ginekolo&#x0161;ko dru&#x0161;tvo), stru&#x010D;ni &#x010D;lanci s analizama retrospektivnih studija o temi dijagnostike i lije&#x010D;enja sideropeni&#x010D;ne anemije te rezultati randomiziranih studija (<xref ref-type="table" rid="t1">Table 1 i</xref> <xref ref-type="table" rid="t2">Table 2</xref>).</p>
<table-wrap id="t1" position="float">
<label>Table 1</label><caption><title>Classes of recommendations</title>
</caption>
<table frame="hsides" rules="groups">
<col width="22.49%"/>
<col width="77.51%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Stupnjevi preporuke<break/>&#x00A0;&#x00A0;Classes of recommendations</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Definicija/Definition</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt; background-color:rgb(153,204,255)" scope="row">&#x00A0;&#x00A0;Stupanj I/Class I</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt; background-color:rgb(153,204,255)">&#x00A0;&#x00A0;Dokaz ili op&#x0107;i konsenzus da su navedeno lije&#x010D;enje ili zahvat korisni, u&#x010D;inkoviti<break/>&#x00A0;&#x00A0;/Evidence and/or general agreement that a given treatment or procedure is beneficial, useful, effective</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt; background-color:rgb(153,204,255)" scope="row">&#x00A0;&#x00A0;Stupanj II/Class II<break/>&#x00A0;&#x00A0;Stupanj IIA/Class IIA<break/>&#x00A0;&#x00A0;Stupanj IIB/Class IIB</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt; background-color:rgb(153,204,255)">&#x00A0;&#x00A0;Suprotstavljeni (divergentni) dokazi ili mi&#x0161;ljenja o korisnosti/u&#x010D;inkovitosti danog lije&#x010D;enja ili zahvata<break/>&#x00A0;&#x00A0;/Conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of the given treatment or procedure<break/>&#x00A0;&#x00A0;Te&#x017E;ina dokaza/mi&#x0161;ljenja u prilog koristi/u&#x010D;inkovitosti<break/>&#x00A0;&#x00A0;/Weight of evidence/opinion is in favor of usefulness/efficacy<break/>&#x00A0;&#x00A0;Korist/u&#x010D;inkovitost manje poznata prema dokazu/mi&#x0161;ljenju<break/>&#x00A0;&#x00A0;/Usefulness/efficacy is less well established by evidence/opinion</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt; background-color:rgb(153,204,255)" scope="row">&#x00A0;&#x00A0;Stupanj III/Class III</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt; background-color:rgb(153,204,255)">&#x00A0;&#x00A0;Dokaz ili op&#x0107;i konsenzus da navedeno lije&#x010D;enje ili zahvat nisu korisni/u&#x010D;inkoviti; u nekim slu&#x010D;ajevima mogu biti &#x0161;tetni/Evidence or general agreement that given treatment or procedure is not useful/effective; and in some cases may be harmful</td>
</tr>
</tbody></table></table-wrap>
<table-wrap id="t2" position="float">
<label>Table 2</label><caption><title>Level of evidence</title>
</caption>
<table frame="hsides" rules="groups">
<col width="35.37%"/>
<col width="64.63%"/>
<thead>
<tr>
<th valign="top" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Razina dokaza A/Level of evidence A</th>
<th valign="top" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Podaci dobiveni iz vi&#x0161;estrukih randomiziranih klini&#x010D;kih ispitivanja ili metaanaliza/Data derived from multiple randomized clinical trials or meta-analyses</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Razina dokaza B/Level of evidence B</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Podaci dobiveni iz jednoga randomiziranog klini&#x010D;kog ispitivanja ili velikih nerandomiziranih studija/Data derived from single randomized clinical trial or large non-randomized studies</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;Razina dokaza C/Level of evidence C</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Konsenzus eksperata ili manje studije, retrospektivne studije, registri/Consensus of opinion of the experts and/or small studies, retrospective studies, registries</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>* Na dan se hranom unese 10 &#x2013; 20 mg &#x017E;eljeza. Od toga se apsorbira 1 &#x2013; 2 mg &#x017E;eljeza, koliko se i gubi fiziolo&#x0161;ki deskvamacijom stanica mukoze, menstruacijom. Na transferin se ve&#x017E;u 4 mg &#x017E;eljeza, najve&#x0107;i dio &#x017E;eljeza (75%) iskori&#x0161;tava se u eritropoezi, 10 &#x2013; 20% &#x017E;eljeza pohranjuje se u obliku feritina kao zaliha u jetri i srcu, a 5 &#x2013; 15% u makrofagima i retikuloendotelnom sustavu. &#x017D;eljezo je nu&#x017E;no za stani&#x010D;ni metabolizam i aerobno disanje. Preoptere&#x0107;enje stanica i organizma &#x017E;eljezom dovodi do toksi&#x010D;nosti i stani&#x010D;ne smrti zbog stvaranja slobodnih radikala i peroksidacije lipida, &#x0161;to nala&#x017E;e dobro uskla&#x0111;enu regulaciju. / The body absorbs 1 to 2 mg of 10-20 mg dietary iron a day and this is balanced with losses physiologically via sloughed intestinal mucosal cells, menstruation. Most of the iron in the body is distributed between red blood cell haemoglobin (75%), ferritin (10-20%) &#x2013; iron storage in the liver, heart, muscle and 5-15% in macrophages of the reticuloendothelial system. Whilst iron is essential for cellular metabolism and aerobic respiration, cellular iron overload leads to toxicity and cell death via free radical formation and lipid peroxidation and thus iron homeostasis requires tight regulation.</p>
</table-wrap-foot></table-wrap>
</sec>
<sec sec-type="other3">
<title>Definicija anemije</title>
<p>Op&#x0107;enito je prihva&#x0107;ena definicija Svjetske zdravstvene organizacije koja anemiju odre&#x0111;uje kao vrijednost hemoglobina (Hb) &lt; 130 g/L za mu&#x0161;karce, &lt; 120 g/L za &#x017E;ene i &lt; 110 g/L za trudnice. (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>, <xref ref-type="bibr" rid="r9"><italic>9</italic></xref>)</p>
<p>Svaki stupanj sideropeni&#x010D;ne anemije zaslu&#x017E;uje dijagnosti&#x010D;ki pristup u tra&#x017E;enju uzroka anemije (IIA). Kod mu&#x0161;karaca s Hb &lt; 120 g/L i &#x017E;ena u menopauzi &lt; 100 g/L potrebno je &#x0161;to hitnije dijagnosticirati uzrok anemije, radi isklju&#x010D;enja predle&#x017E;e&#x0107;ih te&#x017E;ih bolesti (IA). (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>)</p>
</sec>
<sec sec-type="other4">
<title>Fiziologija &#x017E;eljeza u organizmu &#x010D;ovjeka</title>
<p>&#x017D;eljezo je va&#x017E;no u brojnim fiziolo&#x0161;kim funkcijama poput disanja, stvaranja energije u obliku adenozin trifosfata (ATP) u mitohondrijima, sinteze deoksiribonukleinskih kiselina (DNK) te stani&#x010D;ne proliferacije. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Zbog manjka &#x017E;eljeza oslabljena je u&#x010D;inkovitost organa, smanjen kapacitet za vje&#x017E;banje, rad, kognitivne sposobnosti i pona&#x0161;anje, povi&#x0161;ene su stope morbiditeta i mortaliteta. Hranom se prosje&#x010D;no unosi 10 &#x2013; 20 mg &#x017E;eljeza na dan, a svega se 1 &#x2013; 2 mg apsorbira (<xref ref-type="fig" rid="f1">Figure 1</xref>). (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>)</p>
<fig id="f1" position="float" fig-type="figure"><label>Figure 1</label><caption><p>Metabolism and daily iron turnover in the human body* (data adapted from ref. <xref ref-type="bibr" rid="r12">12</xref>)</p></caption><graphic xlink:href="LV-141-1-f1"></graphic></fig>
<p>Centralni regulator metabolizma &#x017E;eljeza jest 25-aminokiselinski polipeptid hepcidin, koji nastaje cijepanjem biolo&#x0161;kog inaktivnog 84-aminokiselinskog propeptida, prohepcidina. Proizvodi se u jetri, manjim dijelom u srcu i ostalim organima (bubrezi, makrofagi, adipociti, beta-stanice gu&#x0161;tera&#x010D;e). (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r13"><italic>13</italic></xref>) Razina hepcidina ni&#x017E;a je u &#x017E;ena reproduktivne dobi nego u mu&#x0161;karaca i &#x017E;ena u menopauzi. U sideropeni&#x010D;noj anemiji sinteza hepcidina znatno se smanjuje da bi se olak&#x0161;ala apsorpcija &#x017E;eljeza u tankom crijevu putem dvovalentnoga metalnog transportera tipa 1 (DMT1) koji raste aktivacijom HIF-2&#x03B1; (engl. <italic>hypoxia-inducible factor-2&#x03B1;</italic>). Proizvodnja hepcidina smanjena je, a mobilizacija i iskori&#x0161;tavanje &#x017E;eljeza rastu pri hipoksiji, poja&#x010D;anoj eritropoezi, nedostatku &#x017E;eljeza. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>) S druge strane, proizvodnja hepcidina pove&#x0107;ana je kod visokih zaliha &#x017E;eljeza, infekcija, upalnih bolesti i povi&#x0161;enog interleukina 6 (IL-6), &#x0161;to dovodi do smanjene mobilizacije i iskori&#x0161;tavanja &#x017E;eljeza. (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>)</p>
</sec>
<sec sec-type="other5">
<title>Manjak &#x017E;eljeza</title>
<p>Apsolutni manjak &#x017E;eljeza karakterizira sideropeni&#x010D;nu anemiju (SA), dok je funkcionalni manjak &#x017E;eljeza obilje&#x017E;je anemije pri kroni&#x010D;noj ili upalnoj bolesti (<xref ref-type="table" rid="t3">Table 3</xref>).</p>
<table-wrap id="t3" position="float">
<label>Table 3</label><caption><title>Characteristics and differencies between absolute iron deficiency (ID) and functional iron deficiency (FID)</title>
</caption>
<table frame="hsides" rules="groups">
<col width="26.83%"/>
<col width="73.17%"/>
<thead>
<tr>
<th valign="top" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Apsolutni nedostatak &#x017E;eljeza<break/>&#x00A0;&#x00A0;/Absolute iron deficiency</th>
<th valign="top" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x2022; Sni&#x017E;eno serumsko &#x017E;eljezo/Low serum iron<break/>&#x00A0;&#x00A0;&#x2022; Nizak feritin ili manja zasi&#x0107;enost topljivih transferinskih receptora TSAT* &lt; 20%/Low ferritin, or low saturation of soluble transferrin receptors<break/>&#x00A0;&#x00A0;&#x2022; Sni&#x017E;en hepcidin/Low hepcidin</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;Funkcionalni nedostatak &#x017E;eljeza<break/>&#x00A0;&#x00A0;/Functional iron deficiency</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;&#x2022; Nezadovoljavaju&#x0107;e iskori&#x0161;tavanje Fe unato&#x010D; normalnim zalihama &#x017E;eljeza/Insufficient iron utilization in spite of adequate body iron stores<break/>&#x00A0;&#x00A0;&#x2022; Feritin &lt; 100 ili (100 &#x2013; 300 &#x03BC;g/L) ako je TSAT* &lt; 20% (Fe/TIBC)/Ferritin &lt;100 or (100-300 &#x03BC;g/L), if TSAT* &lt;20% (Fe/TIBC)<break/>&#x00A0;&#x00A0;&#x2022; Normalan ili povi&#x0161;en hepcidin/Normal or elevated hepcidin</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>*TSAT &#x2013; zasi&#x0107;enost transferina / transferrin saturation</p>
</table-wrap-foot></table-wrap>
<p>Laboratorijski nalazi za dijagnozu i razlikovanje apsolutnog manjka &#x017E;eljeza od funkcionalnog manjka jesu parametri &#x017E;eljeza. Sni&#x017E;ena saturacija transferina (omjer Fe/TIBC) pouzdaniji je parametar sideropenije od koncentracije serumskog &#x017E;eljeza (Fe) i transferina (TIBC). U anemiji pri kroni&#x010D;noj bolesti (AKB) feritin je uredan ili povi&#x0161;en. (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>, <xref ref-type="bibr" rid="r16"><italic>16</italic></xref>, <xref ref-type="bibr" rid="r17"><italic>17</italic></xref>) Hipokromija (sni&#x017E;en MCH) i mikrocitoza (sni&#x017E;en MCV) pouzdani su parametri nedostatka &#x017E;eljeza u odsutnosti kroni&#x010D;ne bolesti, manjka vitamina B12 ili folne kiseline (IA). Povi&#x0161;ena vrijednost raspodjele eritrocita prema volumenu (engl. <italic>Red cell distribution width</italic> &#x2013; RDW) upu&#x0107;uje na potencijalni nedostatak vitamina B12 i folne kiseline uz sideropeniju. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r18"><italic>18</italic></xref>)</p>
<p><italic>Apsolutni manjak &#x017E;eljeza</italic> podrazumijeva sni&#x017E;ene razine Fe i Fe/TIBC, nizak feritin i nizak hepcidin. Pri anemiji uzrokovanoj manjkom &#x017E;eljeza najosjetljiviji i najpouzdaniji test za detekciju nedostatka &#x017E;eljeza i rezerva u tijelu jest feritin, posebno u odsutnosti kroni&#x010D;ne bolesti (IA). Naj&#x010D;e&#x0161;&#x0107;e je feritin ispod 15 &#x03BC;g/L (djeca i &#x017E;ene), me&#x0111;utim, feritin &lt; 30 &#x03BC;g/L dijagnosti&#x010D;ki je pokazatelj apsolutnog nedostatka &#x017E;eljeza (IA). (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>) Sni&#x017E;ena razina &#x017E;eljeza i pove&#x0107;ana sinteza transferina koreliraju sa stupnjem sideropenije i SA. Zasi&#x0107;enost transferinskog receptora (TfR) manja je od 20%, a &#x010D;esto i ispod 10%. Drugi testovi poput cink-protoporfirina (ZPP) i sTfR-a (topljivi transferinski receptori) te&#x017E;e su primjenjivi u svakodnevnoj praksi. Eritrocitni parametri (MCV, MCH) pouzdani su ako nema anemije pri kroni&#x010D;noj bolesti (AKB) ili hemoglobinopatije. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<p><italic>Funkcionalni manjak &#x017E;eljeza</italic> javlja se zbog neadekvatne dopreme &#x017E;eljeza u ko&#x0161;tanu sr&#x017E; usprkos dostatnim rezervama (uredan ili povi&#x0161;en feritin) kod bolesnika s kroni&#x010D;nom ili upalnom bolesti (npr., autoimunosne bolesti poput reumatoidnog artritisa, upalna bolest crijeva, bubre&#x017E;ne bolesti, sr&#x010D;ano popu&#x0161;tanje, rak). Ova anemija naj&#x010D;e&#x0161;&#x0107;e je normokromna i normocitna, blaga do umjerena. Feritin je uglavnom iznad 100 &#x03BC;g/L, &#x010D;esto 100 &#x2013; 300 &#x03BC;g/L, rijetko iznad 800 &#x03BC;g/L, a zasi&#x0107;enost transferina manja je od 20%. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>-<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>) Drugi parametri koji se mogu iskoristiti u anemiji s funkcionalnim manjkom &#x017E;eljeza jesu: postotak hipokromnih eritrocita &#x2264; 6% (engl. <italic>Percentage of hypochromic red cells</italic> &#x2013; % HRC), Zn-protoporfirin, sadr&#x017E;aj hemoglobina u retikulocitu (engl. <italic>Reticulocyte hemoglobin content</italic> &#x2013; CHr), retikulo-hemoglobinski ekvivalent (Ret-He), me&#x0111;utim, u svakodnevnom se radu rijetko odre&#x0111;uju. Ret-He &lt; 25 pg upu&#x0107;uje na sideropeniju i AKB te potencijalno povoljan odgovor na terapiju &#x017E;eljezom (IB) (<xref ref-type="table" rid="t4">Table 4</xref>). (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>)</p>
<table-wrap id="t4" position="float">
<label>Table 4</label><caption><title>Laboratory tests to evaluate the iron status in iron deficiency anemia, functional iron deficiency and chronic disease</title>
</caption>
<table frame="hsides" rules="groups">
<col width="14.68%"/>
<col width="16%"/>
<col width="15.33%"/>
<col width="11.99%"/>
<col width="18%"/>
<col width="24%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt"></th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Funkcionalni<break/>&#x00A0;&#x00A0;manjak &#x017E;eljeza<break/>&#x00A0;&#x00A0;/Functional iron<break/>&#x00A0;&#x00A0;deficiency</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Sideropeni&#x010D;na anemija<break/>&#x00A0;&#x00A0;/Iron deficiency anemia</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;AKB/ACD*</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Manjak &#x017E;eljeza i AKB<break/>&#x00A0;&#x00A0;/Iron deficiency and ACD*</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Normalne vrijednosti (odrasli)<break/>&#x00A0;&#x00A0;/Normal values (adults)</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x017D;eljezo/Iron<break/>&#x00A0;&#x00A0;TSAT %<break/>&#x00A0;&#x00A0;Feritin/ferritin<break/>&#x00A0;&#x00A0;Hb (g/L)<break/>&#x00A0;&#x00A0;MCV (fL)<break/>&#x00A0;&#x00A0;MCH</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x2193;/N<break/>&#x00A0;&#x00A0;&#x2193;/N<break/>&#x00A0;&#x00A0;N<break/>&#x00A0;&#x00A0;N<break/>&#x00A0;&#x00A0;N<break/>&#x00A0;&#x00A0;N</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;&#x2264; 16<break/>&#x00A0;&#x00A0;&lt; 12<break/>&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;&lt; 80<break/>&#x00A0;&#x00A0;&lt; 27</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;&#x2193;/N<break/>&#x00A0;&#x00A0;&gt; 100<break/>&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;N/&#x2193;<break/>&#x00A0;&#x00A0;N/&#x2193;</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;&#x2193;/N<break/>&#x00A0;&#x00A0;&lt; 100<break/>&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;&#x2193;<break/>&#x00A0;&#x00A0;&#x2193;</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;10 &#x2013; 30 &#x03BC;mol/L<break/>&#x00A0;&#x00A0;&gt; 16 &lt; 45<break/>&#x00A0;&#x00A0;&#x017D;/F 15 &#x2013; 200, M 30 &#x2013; 400<break/>&#x00A0;&#x00A0;&#x017D;/F &lt; 120 g/L, M &lt; 130 g/L<break/>&#x00A0;&#x00A0;80 &#x2013; 95 fL<break/>&#x00A0;&#x00A0;27 &#x2013; 34 pg</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;sTFR<break/>&#x00A0;&#x00A0;ZPP<break/>&#x00A0;&#x00A0;Hepcidin</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;&#x2191;<break/>&#x00A0;&#x00A0;&#x2191;<break/>&#x00A0;&#x00A0;&#x2193;</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;&#x2191;<break/>&#x00A0;&#x00A0;&#x2191;<break/>&#x00A0;&#x00A0;&#x2193;&#x2193;</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;N/&#x2191;<break/>&#x00A0;&#x00A0;&#x2191;<break/>&#x00A0;&#x00A0;&#x2191;</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Varijabilan/Variable<break/>&#x00A0;&#x00A0;&#x2191;<break/>&#x00A0;&#x00A0;N/&#x2191;</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt"></td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>* anemija kroni&#x010D;ne bolesti/anemia of chronic disease</p>
</table-wrap-foot></table-wrap>
</sec>
<sec sec-type="other6">
<title>Dijagnostika anemije uzrokovane manjkom &#x017E;eljeza</title>
<p><italic>Anamneza i status.</italic> Bolesnici sa sideropenijom i/ili anemijom navode simptome koji su posljedica hipoksije: umor, smanjenu tjelesnu izdr&#x017E;ljivost, netoleranciju napora, manjak koncentracije, gubitak kose, nedostatak zraka, palpitacije, nepodno&#x0161;enje hladno&#x0107;e, slabost noktiju, pagofagiju (jedenje leda). U anamnezi je va&#x017E;no pitati za prehrambene navike (vegetarijanci), lijekove (nesteroidni antireumatici &#x2013; NSAR, antitrombotici, npr., acetilsalicilna kiselina i antikoagulansi). Vrijedi isklju&#x010D;iti i druge uzroke anemije (npr., hemoglobinopatiju/talasemiju), a u obiteljskoj anamnezi pitati za poreme&#x0107;aje hemostaze. U osobnoj anamnezi potrebno je pitati za kirur&#x0161;ke zahvate, simptome koji upu&#x0107;uju na bolesti gastrointestinalnog ili genitourinarnog sustava, &#x017E;ivotne funkcije. U klini&#x010D;kom statusu mo&#x017E;emo vidjeti bljedilo ko&#x017E;e, manjak kose, koilonihiju, auskultirati &#x0161;um nad prekordijem, tahikardiju, eventualno palpirati tumorsku masu u abdomenu, krv u stolici ili melenu. Uzroci sideropeni&#x010D;ne anemije prikazani su na <xref ref-type="table" rid="t5">Table 5</xref>.</p>
<table-wrap id="t5" position="float">
<label>Table 5</label><caption><title>Causes of iron deficiency*</title>
</caption>
<table frame="hsides" rules="groups">
<col width="19.53%"/>
<col width="80.47%"/>
<thead>
<tr>
<th colspan="2" valign="top" align="left" scope="colgroup" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Uzroci manjka &#x017E;eljeza/Causes of iron deficiency</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Uzrok/Cause</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Primjer/Example</td>
</tr>
<tr>
<td colspan="2" valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">&#x00A0;&#x00A0;Fiziolo&#x0161;ki/Physiologic</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Pove&#x0107;ana potreba<break/>&#x00A0;&#x00A0;/Increased demand</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Rast i razvoj djece, adolescencija, menstruacija, trudno&#x0107;a, darivatelji krvi / Infancy, rapid growth (adolescence), menstrual blood loss, pregnancy (second and third trimesters), blood donation</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Okoli&#x0161;ni/Environmental</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Nedovoljan unos, siroma&#x0161;tvo, malnutricija, dijete (npr., vegetarijanci, alkoholi&#x010D;ari)<break/>&#x00A0;&#x00A0;/ Insufficient intake, poverty, malnutrition, diet (e.g.,vegetarian, vegan, iron-poor)</td>
</tr>
<tr>
<td colspan="2" valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">&#x00A0;&#x00A0;Patolo&#x0161;ki/Pathologic</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Smanjena apsorpcija<break/>&#x00A0;&#x00A0;/Decreased absorption</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Gastrektomija, duodenalna premosnica, operacije &#x017E;eluca, infekcija s <italic>H. pylori</italic>, celijakija, atrofi&#x010D;ni gastritis, upalne bolesti crijeva / Gastrectomy, duodenal bypass, bariatric surgery, Helicobacter pylori infection, celiac sprue, atrophic gastritis, inflammatory bowel diseases (e.g. ulcerative colitis, Crohn&#x2019;s disease)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Kroni&#x010D;ni gubitak krvi<break/>&#x00A0;&#x00A0;/Chronic blood loss</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ezofagitis, erozivni gastritis, ulkusna bolest, divertikulitis, dobro&#x0107;udni tumori, upalne bolesti crijeva, angiodisplazije, hemoroidi, infestacije parazitima, Meckelov divertikul. Genitourinarni trakt: menoragije, obilne menstruacije, intravaskularna hemoliza (npr., paroksizmalna no&#x0107;na hemoglobinurija, autoimunosna hemoliti&#x010D;ka anemija hladnih protutijela, &#x201E;mar&#x0161;&#x201C; hemoglobinurija, o&#x0161;te&#x0107;eni mehani&#x010D;ki zalisci, mikroangiopatska hemoliza). Sistemsko krvarenje (hemoragijska teleangiektazija), shistosomijaza, M&#x00FC;nchhausenov sindrom / Esophagitis, erosive gastritis, peptic ulcer, diverticulitis, benign tumors, inflammatory bowel diseases, angiodysplasia, hemorrhoids, hookworm infestation, Meckel diverticulum. Genitourinary system: menorrhagia, heavy menses, intravascular hemolysis (e.g. paroxysmal nocturnal hemoglobinuria, autoimmune hemolytic anemia with cold antibodies, march hemoglobinuria, damaged heart valves, microangiopathic hemolysis). Systemic bleeding, including hemorrhagic teleangiectasia, schistosomiasis, M&#x00FC;nchhausen&#x2019;s syndrome (e.g. self-induced hemorrhaes)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Lijekovi/Drug-related</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Glukokortikoidi, salicilati, NSAR, blokatori protonske pumpe, antikoagulansi (varfarin, heparin, DOAK), antiagregacijska terapija / Glucocorticoids, salicylates, NSAIDs, proton-pump inhibitors, anticoagulants (warfarin, heparin, DOAC), antiplatelet therapy</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Genski/Genetic</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;IRIDA &#x2013; anemija refraktorna na &#x017E;eljezo, uzrokovana nedostatkom &#x017E;eljeza/Iron-refractory iron deficiency anemia</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;Smanjeno iskori&#x0161;tavanje<break/>&#x00A0;&#x00A0;/Iron-restricted erythropoiesis</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Lije&#x010D;enje eritropoetinom, anemija kod kroni&#x010D;ne bolesti (autoimunosne, upalne bolesti, maligne bolesti), kroni&#x010D;na bubre&#x017E;na bolest / Treatment with erythropoiesis-stimulating agents, anemia of chronic disease, chronic kidney disease</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p><bold>*</bold>prilago&#x0111;eno prema ref. <xref ref-type="bibr" rid="r3">3</xref>./data adapted from ref <xref ref-type="bibr" rid="r3">3</xref></p>
<p>* TSAT &#x2013; zasi&#x0107;enost transferina / transferrin saturation; ** eGFR &#x2013; glomerularna filtracija / estimated glomerular filtration rate</p>
</table-wrap-foot></table-wrap>
<p><italic>Laboratorijska dijagnostika anemije uzrokovane manjkom &#x017E;eljeza.</italic> U dijagnostici sideropeni&#x010D;ne anemije (SA) rabimo laboratorijske testove za dijagnozu same anemije te dodatne testove i nelaboratorijsku klini&#x010D;ku obradu za utvr&#x0111;ivanje diferencijalne dijagnoze (<xref ref-type="fig" rid="f2">Figure2</xref>).</p>
<fig id="f2" position="float" fig-type="figure"><label>Figure 2</label><caption><p>Diagnostic algorithm in iron deficiency anemia</p></caption><graphic xlink:href="LV-141-1-f2"></graphic></fig>
<p>Od laboratorijskih testova rabimo: parametre &#x017E;eljeza (Fe, TIBC; feritin, TfR, sTfR, sTfR/log); parametre eritrocita (Er, Rtc, MCV, MCH, RDW, ZPP). U standardnoj svakodnevnoj dijagnostici dovoljni su MCV, RDW, Fe, TIBC, omjer Fe/TIBC, feritin za razlikovanje sideropeni&#x010D;ne anemije i anemije pri kroni&#x010D;noj bolesti (IB). Postoji li sumnja na nedostatak &#x017E;eljeza kod normocitne anemije, va&#x017E;no je odrediti koncentraciju vitamina B12, folne kiseline, antieritrocitna protutijela, bilirubin, laktat dehidrogenazu (LDH), retikulocite (Rtc), elektroforezu proteina (IB). (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) Od drugih testova mo&#x017E;emo odrediti urin, jer se prisutnost eritrociturije i anemije javljaju u tre&#x0107;ine bolesnika s karcinomom bubrega (IIA). (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>) Kod SA vrijednost feritina je &lt; 30 &#x03BC;g/L, a sni&#x017E;eni su MCV i MCH. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>) Retikulociti (Rtc) sni&#x017E;eni su kod funkcionalnog manjka &#x017E;eljeza i davanja eritropoetina ako nedostaje funkcionalno &#x017E;eljezo za eritropoezu. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>, <xref ref-type="bibr" rid="r23"><italic>23</italic></xref>) Nakon primjene intravenskog &#x017E;eljeza dolazi do porasta Rtc za 2 &#x2013; 4 dana. Manjak &#x017E;eljeza dovodi do nakupljanja protoporfirina i pove&#x0107;ane ugradnje cinka u Zn-protoporfirin. Eritropoetin (EPO) odre&#x0111;uje se kod bolesnika s uznapredovalom bubre&#x017E;nom bolesti. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>, <xref ref-type="bibr" rid="r26"><italic>26</italic></xref>) Od drugih testova u SA treba u&#x010D;inti serolo&#x0161;ke pretrage na celijakiju (tTG &#x2013; tkivna transglutaminaza) ili EMA-u (endomizijska protutijela) ako se tTG ne mo&#x017E;e izvesti (IIA). Pri pozitivnoj serologiji na celijakiju valja u&#x010D;initi biopsiju tankog crijeva odnosno dvanaesnika. (<xref ref-type="bibr" rid="r27"><italic>27</italic></xref>)</p>
<p><italic>Nelaboratorijska dijagnostika anemije s nedostatkom &#x017E;eljeza.</italic> Kod mu&#x0161;karaca i &#x017E;ena u menopauzi sa SA va&#x017E;no je u&#x010D;initi obradu gornjeg i donjeg dijela gastrointestinalnog trakta radi isklju&#x010D;ivanja maligne bolesti. Prisutnost erozivnog ezofagitisa, gastritisa i ulkusa koji aktivno ne krvari ne bi smjela odgoditi izvo&#x0111;enje kolonoskopije (IIA). Potrebno je isklju&#x010D;iti upalnu bolest crijeva ako postoji klini&#x010D;ka sumnja. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>, <xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Test na <italic>H. pylori</italic> neinvazivna je pretraga, ali ne mo&#x017E;e zamijeniti endoskopske pretrage. Infekcija s <italic>H. pylori</italic> ote&#x017E;ava lije&#x010D;enje anemije ako nije postignuta eradikacija bakterije. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>)</p>
</sec>
<sec sec-type="other7">
<title>Lije&#x010D;enje anemije uzrokovane manjkom &#x017E;eljeza</title>
<p>Cilj lije&#x010D;enja anemije uzrokovane manjkom &#x017E;eljeza jest normalizacija krvne slike (Hb, MCV, MCH) i serumskog &#x017E;eljeza, ali jo&#x0161; je va&#x017E;nije popuniti rezerve &#x017E;eljeza, odnosno feritin (IIA). (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>) U lije&#x010D;enju se rabe peroralni i parenteralni pripravci &#x017E;eljeza (<xref ref-type="table" rid="t6">Table 6</xref>).</p>
<table-wrap id="t6" position="float">
<label>Table 6</label><caption><title>Iron preparations for oral and intravenous use according to the CIHF (Croatian Insurance Health Fund)</title>
</caption>
<table frame="hsides" rules="groups">
<col width="11.86%"/>
<col width="26.03%"/>
<col width="13.02%"/>
<col width="13.01%"/>
<col width="9.46%"/>
<col width="26.62%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;ATK &#x0161;ifra<break/>&#x00A0;&#x00A0;ATC code</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Neza&#x0161;ti&#x0107;eno ime lijeka<break/>&#x00A0;&#x00A0;Name of the medical product</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Na&#x010D;in<break/>&#x00A0;&#x00A0;primjene<break/>&#x00A0;&#x00A0;Method of<break/>&#x00A0;&#x00A0;administration</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Proizvo&#x0111;a&#x010D;<break/>&#x00A0;&#x00A0;Marketing<break/>&#x00A0;&#x00A0;authorisation</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Za&#x0161;ti&#x0107;eno ime<break/>&#x00A0;&#x00A0;Brand name</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Doza, pakiranje<break/>&#x00A0;&#x00A0;Dose, package</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AA02 141</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezov II-fumarat/iron fumarate</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;O*</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Alkaloid</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Heferol</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;kap. 30 &#x00D7; 350 mg/caps. 30&#x00D7;350 mg</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AB05 222</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezov III-hidroksi polimaltozat<break/>&#x00A0;&#x00A0;/iron hydroxy polymaltosate</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;O*</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Sandoz-Lek</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ferrum</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;bo&#x010D;. 1 &#x00D7; 100 mL (50 mg/5 mL)<break/>&#x00A0;&#x00A0;/bottle 1&#x00D7;100 mL (50 mg/5 mL)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AB05 121</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezov III-hidroksi polimaltozat<break/>&#x00A0;&#x00A0;/iron hydroxy polymaltosate</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;O*</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Sandoz-Lek</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ferrum</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;tbl. 30 &#x00D7; 100 mg/tabl. 30&#x00D7;100 mg</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AB09 241</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezov III-proteinsukcinat<break/>&#x00A0;&#x00A0;/iron proteinsuccinate</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;O*</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Alkaloid</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Legofer</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;otop. oral. 150 mL (40 mg/15 mL)<break/>&#x00A0;&#x00A0;/oral solution 150 mL (40 mg/15 ml)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AC01 021</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezova karboksimaltoza<break/>&#x00A0;&#x00A0;/iron carboxymaltose</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;P<bold>**</bold></td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Vifor France S.A.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ferinject</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;otop. za inj. ili inf. bo&#x010D;. 1 &#x00D7; 10 mL (50 mg/mL)<bold>/</bold>solution for injection or infusion 1&#x00D7;10 mL (50 mg/mL)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AC02 051</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezov III-oksid saharat<break/>&#x00A0;&#x00A0;/iron sucrose</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;P**</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Sandoz</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Venofer</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1 &#x00D7; 100 mg</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B03AC06 061</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x017E;eljezov (III) izomaltozid 1000<break/>&#x00A0;&#x00A0;/iron isomaltoside</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;P**</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Pharmacosmos A/S</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Monofer</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;otop. za inj./inf., amp./bo&#x010D;. 5 &#x00D7; 1 mL (100 mg/mL)<break/>&#x00A0;&#x00A0;/solution for injection or infusion 5 &#x00D7; 1 mL (100 mg/mL)</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;B03AC06 062</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;&#x017E;eljezov (III) izomaltozid 1000<break/>&#x00A0;&#x00A0;/Iron isomaltoside</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;P**</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Pharmacosmos A/S</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Monofer</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;otop. za inj./inf., amp./bo&#x010D;. 5 &#x00D7; 5 mL (100 mg/mL)<break/>&#x00A0;&#x00A0;/solution for injection or infusion 5 &#x00D7; 5 mL (100 mg/mL)</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>* oralna primjena/oral use</p>
<p>** parenteralna primjena/intravenous use</p>
</table-wrap-foot></table-wrap>
<p><italic>Peroralni pripravci &#x017E;eljeza.</italic> Primjena peroralnih pripravaka &#x017E;eljeza svakako je ugodnija, jeftina i u&#x010D;inkovita u ve&#x0107;ine bolesnika sa SA. Preporu&#x010D;ena doza elementarnog &#x017E;eljeza iznosi 100 &#x2013; 200 mg/dan, a kod djece 3 &#x2013; 6 mg/kg oralne suspenzije &#x017E;eljeza. Dodatak vitamina C pobolj&#x0161;ava apsorpciju (2 &#x00D7; na dan 250 &#x2013; 500 mg). Lije&#x010D;enje prosje&#x010D;no traje 3 &#x2013; 6 mjeseci. Naj&#x010D;e&#x0161;&#x0107;e nuspojave jesu mu&#x010D;nina, povra&#x0107;anje, konstipacija, metalni okus u ustima, tamna stolica. Ve&#x0107;ina &#x017E;ena reproduktivne dobi mo&#x017E;e posti&#x0107;i terapijski u&#x010D;inak s peroralnim pripravcima &#x017E;eljeza. Razlozi neuspjeha peroralne terapije &#x017E;eljezom jesu nuspojave, prekratko trajanje lije&#x010D;enja ili nesuradljivost bolesnika, ali i protrahirano krvarenje, funkcionalni manjak &#x017E;eljeza, primjena EPO-a, intolerancija glukoze, kroni&#x010D;ni atrofi&#x010D;ni gastritis, upalne bolesti crijeva, stanje nakon opse&#x017E;nih kirur&#x0161;kih zahvata u abdomenu te IRIDA (engl. <italic>Iron-refractory iron deficiency anemia</italic>). (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r31"><italic>31</italic></xref>, <xref ref-type="bibr" rid="r32"><italic>32</italic></xref>)</p>
<p><italic>Parenteralni pripravci &#x017E;eljeza.</italic> Tijekom povijesti primjenjivali su se s posebnim oprezom zbog reakcija preosjetljivosti (uklju&#x010D;uju&#x0107;i anafilaksiju) koje su nastajale poja&#x010D;anim otpu&#x0161;tanjem &#x017E;eljeza na mjestu primjene lijeka. (<xref ref-type="bibr" rid="r33"><italic>33</italic></xref>, <xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) Prija&#x0161;nji intravenski pripravci &#x017E;eljeza s monosaharidnim ili disaharidnim nosa&#x010D;em (&#x017E;eljezov glukonat ili &#x017E;eljezova sukroza) primjenjuju se nakon testne doze u maksimalnoj dozi od 125 do 200 mg/dan. Ovi pripravci mogu se primjenjivati svakodnevno, a potrebno je vi&#x0161;e aplikacija. Novi pripravci &#x017E;eljeza (&#x017E;eljezova karboksimaltoza i &#x017E;eljezov izomaltozid) primjenjuju se bez testne doze jednokratno ili u dvije primjene, &#x0161;to smanjuje broj provedenih dana na odjelu ili u dnevnoj bolnici. U&#x010D;inkovitost se posti&#x017E;e zahvaljuju&#x0107;i stabilnom ugljikohidratnom nosa&#x010D;u, kontroliranom otpu&#x0161;tanju &#x017E;eljeza i njegovim visokim iskori&#x0161;tavanjem u SA-u (95 &#x2013; 99%). Maksimalna ugradnja u ko&#x0161;tanu sr&#x017E; zbiva se 16 &#x2013; 23 dana nakon primjene lijeka. (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>-<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) Ovi se pripravci mogu rabiti i pri IRIDA-i, genskom poreme&#x0107;aju s mutacijom TMPRSS6 (transmembranska proteaza, serin 6) zbog &#x010D;ega dolazi do pove&#x0107;anja proizvodnje hepcidina i blokade apsorpcije &#x017E;eljeza (<xref ref-type="table" rid="t7">Table 7</xref>). (<xref ref-type="bibr" rid="r37"><italic>37</italic></xref>)</p>
<table-wrap id="t7" position="float">
<label>Table 7</label><caption><title>Scheme for estimaton of total iron need</title>
</caption>
<table frame="hsides" rules="groups">
<col width="26.84%"/>
<col width="36.58%"/>
<col width="36.58%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Hemoglobin (g/L)<break/>&#x00A0;&#x00A0;/Hemoglobin (g/L)</th>
<th valign="middle" align="center" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Tjelesna masa &lt; 70 kg i doza &#x017E;eljeza<break/>&#x00A0;&#x00A0;/Body weight &lt;70 kg and iron dose</th>
<th valign="middle" align="center" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Tjelesna masa &gt; 70 kg i doza &#x017E;eljeza<break/>&#x00A0;&#x00A0;/Body weight &gt;70 kg and iron dose</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;100 &#x2013; 120 &#x017E;ene/women</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1000 mg</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1500 mg</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;100 &#x2013; 130 mu&#x0161;karci/men</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1000 mg</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1500 mg</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;70 &#x2013; 100</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;1500 mg</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;2000 mg</td>
</tr>
</tbody></table></table-wrap>
<p>Doza &#x017E;eljeza za izra&#x010D;unavanje njegova deficita u organizmu ra&#x010D;una se prema <italic>Ganzonijevoj</italic> formuli: deficit Fe (mg) = (tjelesna masa u kg &#x00D7; (ciljani Hb u g/dL - aktualni Hb u g/dL)) &#x00D7; 0,24 + 500 mg.</p>
<p>Me&#x0111;utim, postoji pojedostavnjena shema prema vrijednostima hemoglobina i tjelesnoj masi bolesnika (<xref ref-type="table" rid="t8">Table 8</xref>). (<xref ref-type="bibr" rid="r38"><italic>38</italic></xref>)</p>
<table-wrap id="t8" position="float">
<label>Table 8</label><caption><title>Characteristics of iron preparations for intravenous use*</title>
</caption>
<table frame="hsides" rules="groups">
<col width="24.29%"/>
<col width="9.46%"/>
<col width="15.39%"/>
<col width="18.93%"/>
<col width="14.78%"/>
<col width="17.15%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-top: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Naziv/Name</th>
<th valign="middle" align="left" scope="col" style="border-top: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Godina odobrenja<break/>&#x00A0;&#x00A0;/Year of approval</th>
<th valign="middle" align="left" scope="col" style="border-top: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Molekularna te&#x017E;ina (kDa)<break/>&#x00A0;&#x00A0;/Molecular weight (kDA)</th>
<th valign="middle" align="left" scope="col" style="border-top: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Maksimalna dopu&#x0161;tena<break/>&#x00A0;&#x00A0;jednokratna doza<break/>&#x00A0;&#x00A0;/Maximum approved single dose</th>
<th valign="middle" align="left" scope="col" style="border-top: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Vrijeme primjene (minute)<break/>&#x00A0;&#x00A0;/Administration time (minutes)</th>
<th valign="middle" align="left" scope="col" style="border-top: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Testna doza<break/>&#x00A0;&#x00A0;/Test dose</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x017E;eljezo-dextran LMW**<break/>&#x00A0;&#x00A0;/Iron dextran LMW**<break/>&#x00A0;&#x00A0;(INFeD)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1991.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;165</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;100 mg</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;2</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Da, 25 mg<break/>&#x00A0;&#x00A0;Pratiti 15 &#x2013; 30 min<break/>&#x00A0;&#x00A0;/Yes, 25 mg; monitor 15-30 min</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x017E;eljezo-dextran HMW***<break/>&#x00A0;&#x00A0;/Iron dextran HMW***<break/>&#x00A0;&#x00A0;(Dexferrum)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1996.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;265</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;100 mg</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1 &#x2013; 2</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Da, 25 mg<break/>&#x00A0;&#x00A0;Pratiti 15 &#x2013; 30 min<break/>&#x00A0;&#x00A0;/Yes, 25 mg; monitor 15-30 min</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Natrij-&#x017E;eljezo-glukonat<break/>&#x00A0;&#x00A0;/Sodium ferric gluconate<break/>&#x00A0;&#x00A0;(Ferrlecit)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;1999.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;289 &#x2013; 444</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;125 mg iv.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;10 &#x2013; 60</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ne/No</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x017E;eljezo sukroza/Iron sucrose (Venofer)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;2000.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;34 &#x2013; 60</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;200 mg iv.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;2 &#x2013; 90</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ne/No</td>
</tr>
<tr>
<td valign="middle" colspan="6" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt" scope="col">&#x00A0;&#x00A0;Novi pripravci parenteralnog &#x017E;eljeza<break/>&#x00A0;&#x00A0;New iron preparations for intravenous use</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x017D;eljezo oksitol/Ferumoxytol<break/>&#x00A0;&#x00A0;(Feraheme)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;2009.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;750</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;510 mg iv.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;15 &#x2013; 60</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ne/No</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x017D;eljezova karboksimaltoza<break/>&#x00A0;&#x00A0;(Injectafer u SAD-u, Ferinject u Europi)/ Iron carboxy maltose (Injectafer in USA; Ferinject in Europe)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;2013.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;150</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;750 &#x2013; 1000 mg</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;15 &#x2013; 30</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Ne/No</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;&#x017D;eljezov izomaltozid (Monofer u Europi, nije odobren u SAD-u)<break/>&#x00A0;&#x00A0;/Iron isomaltoside (Monofer in Europe; not approved in USA)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;2009.</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;150</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;20 mg/kg ili/or 1000 mg</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;15</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Ne/No</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>* prilago&#x0111;eno prema ref. <xref ref-type="bibr" rid="r36">36</xref>./data adapted from ref <xref ref-type="bibr" rid="r36">36</xref>; ** mala molekularna masa/low molecular weight; *** velika molekularna masa/high molecular weight</p>
</table-wrap-foot></table-wrap>
<p>Novi pripravci &#x017E;eljeza mogu se primjenjivati u korekciji preoperativne anemije i nasljedne hemoragijske teleangiektazije, dok su nove indikacije: lije&#x010D;enje funkcionalnog manjka &#x017E;eljeza uz anemiju ili bez nje pri autoimunosnim bolestima, upalnim bolestima crijeva, kroni&#x010D;noj bubre&#x017E;noj bolesti, sr&#x010D;anom popu&#x0161;tanju, malignim bolestima. U tim indikacijama peroralno je &#x017E;eljezo neu&#x010D;inkovito, ali i potencijalno &#x0161;tetno. (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>, <xref ref-type="bibr" rid="r40"><italic>40</italic></xref>) Intravenski pripravci &#x017E;eljeza nisu preporu&#x010D;ljivi u prvom trimestru trudno&#x0107;e. (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>) U kroni&#x010D;nome sr&#x010D;anom popu&#x0161;tanju primjena parenteralnog &#x017E;eljeza dovela je do pobolj&#x0161;anja funkcionalnog statusa (klasa NYHA) te pove&#x0107;anja snage i fizi&#x010D;ke izdr&#x017E;ljivosti bolesnika uz manji broj hospitalizacija (IIA). (<xref ref-type="bibr" rid="r41"><italic>41</italic></xref>&#x2013;<xref ref-type="bibr" rid="r44"><italic>44</italic></xref>) U velikim studijama kod bolesnika s kroni&#x010D;nom bubre&#x017E;nom bolesti na hemodijalizi ili bez nje te bolesnika s kroni&#x010D;nim sr&#x010D;anim popu&#x0161;tanjem noviji pripravci parenteralnog &#x017E;eljeza pokazali su bolju u&#x010D;inkovitost nego prija&#x0161;nji pripravci, manju potro&#x0161;nju drugih pripravaka poput eritropoetina i transfuzija te smanjen broj hospitalizacija (IA). Bolesnici s kroni&#x010D;nom bubre&#x017E;nom bolesti i feritinom &lt; 100 &#x03BC;g/L te bolesnici s feritinom &lt; 200 &#x03BC;g/L na kroni&#x010D;noj hemodijalizi imaju dobar odgovor na primjenu intravenskog &#x017E;eljeza (IA). (<xref ref-type="bibr" rid="r45"><italic>45</italic></xref>-<xref ref-type="bibr" rid="r47"><italic>47</italic></xref>) Naj&#x010D;e&#x0161;&#x0107;e nuspojave novih pripravaka intravenskog &#x017E;eljeza jesu mu&#x010D;nina, povra&#x0107;anje, svrbe&#x017E; ko&#x017E;e te boli u mi&#x0161;i&#x0107;ima, zglobovima i le&#x0111;ima koje prestaju 48 sati nakon primjene, a od metaboli&#x010D;kih nuspojava &#x2013; hipofosfatemija koja je naj&#x010D;e&#x0161;&#x0107;e prolazna i samoograni&#x010D;avaju&#x0107;a. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>, <xref ref-type="bibr" rid="r40"><italic>40</italic></xref>) Transfuzija krvi indicirana je u bolesnika s hemodinamskom nestabilno&#x0161;&#x0107;u i te&#x017E;om anemijom (naj&#x010D;e&#x0161;&#x0107;e Hb &lt; 80 g/L) (<xref ref-type="table" rid="t9">Table 9</xref>).</p>
<table-wrap id="t9" position="float">
<label>Table 9</label><caption><title>Indications for parenteral iron therapy*</title>
</caption>
<table frame="hsides" rules="groups">
<col width="100%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Osnovne indikacije/Established indications</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x2022; Neu&#x010D;inkovitost peroralne terapije/Failure of oral iron treatment<break/>&#x00A0;&#x00A0;&#x2022; Intolerancija &#x017E;eljeza (nepodno&#x0161;ljivost) ili refraktornost na lije&#x010D;enje (stanje nakon gastrektomije, duodenalne premosnice, infekcija s <italic>H. pylori</italic>, celijakija, atrofi&#x010D;ni gastritis, upalne bolesti crijeva, IRIDA)/Iron refractoriness: gastrectomy, duodenal bypass, Helicobacter pylori infection, celiac disease, atrophic gastritis, inflammatory bowel disease, genetic IRIDA<break/>&#x00A0;&#x00A0;&#x2022; Potreba za brzim oporavkom (te&#x0161;ki nedostatak &#x017E;eljeza uz anemiju u 2. i 3. trimestru trudno&#x0107;e, kroni&#x010D;na krvarenja, nasljedni, ali i ste&#x010D;eni poreme&#x0107;aji koagulacije)/Need for a quick recovery (severe anaemia in the second and third trimester of pregnancy, inherited bleeding disorders)<break/>&#x00A0;&#x00A0;&#x2022; Zamjena za transfuzije eritrocita kod bolesnika koji ih odbijaju iz religijskih razloga (Jehovini svjedoci)/Substitution for blood transfusions when not accepted by patients for religious reasons</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Potencijalne indikacije/Potential indications</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;&#x2022; Anemija kroni&#x010D;ne bolesti bez odgovora na stimulatore eritropoeze/Anaemia of chronic disease unresponsive to ESA alone<break/>&#x00A0;&#x00A0;&#x2022; Kroni&#x010D;ne bubre&#x017E;ne bolesti bez lije&#x010D;enja stimulatorima eritropoeze/Anaemia of chronic kidney disease (without treatment with ESA)<break/>&#x00A0;&#x00A0;&#x2022; Perzistiraju&#x0107;a anemija u bolesnika s malignim bolestima (nakon primjene stimulatora eritropoeze ili bez nje)/Persistent anaemia after the use of ESA in cancer patients under chemotherapy<break/>&#x00A0;&#x00A0;&#x2022; Perioperativna priprema/Perioperative anaemia, transfusion sparing strategy in surgical patients<break/>&#x00A0;&#x00A0;&#x2022; Nedostatak &#x017E;eljeza s anemijom ili bez nje u bolesnika sa sr&#x010D;anim zatajenjem/Iron deficiency with or without anaemia in chronic heart failure</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>*prilago&#x0111;eno prema ref. <xref ref-type="bibr" rid="r3">3</xref>./data adapted from ref <xref ref-type="bibr" rid="r3">3</xref></p>
</table-wrap-foot></table-wrap>
</sec>
<sec sec-type="other8">
<title>Posebne skupine bolesnika ili stanja koja dovode do anemije uzrokovane manjkom &#x017E;eljeza</title>
<sec id="sec1">
<label>1.</label><title>Anemija u reproduktivnoj dobi i trudno&#x0107;i</title>
<p>Sideropeni&#x010D;na anemija (SA) naj&#x010D;e&#x0161;&#x0107;a je u trudno&#x0107;i, jer su potrebe za &#x017E;eljezom 3 puta ve&#x0107;e nego u &#x017E;ena koje nisu trudne. Oko 600 mg elementarnog &#x017E;eljeza potrebno je za trudnicu, 250 &#x2013; 300 mg za fetus. Prema preporukama SZO-a, trudnice bi od po&#x010D;etka trudno&#x0107;e trebale uzimati 60 mg &#x017E;eljeza na dan. Skandinavske studije pokazale su da oko 40% &#x017E;ena ima sni&#x017E;enu razinu &#x017E;eljeza i/ili feritina prije trudno&#x0107;e, &#x0161;to mo&#x017E;e dovesti do SA tijekom i nakon trudno&#x0107;e. (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>) Prema trimestrima trudno&#x0107;e, parametri za definiciju anemije jesu ovi: Hb &lt; 110g/L u prvom i tre&#x0107;em tromjese&#x010D;ju, Hb &lt; 105 g/L u drugom tromjese&#x010D;ju, Hb &lt; 100 g/L postpartalno. (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>, <xref ref-type="bibr" rid="r49"><italic>49</italic></xref>) Potrebno je isklju&#x010D;iti uzroke anemije (manjak &#x017E;eljeza, vitamina B12, folne kiseline, gubitak krvi, kroni&#x010D;ne i maligne bolesti). (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>&#x2013;<xref ref-type="bibr" rid="r51"><italic>51</italic></xref>) Vi&#x0161;i rizik od anemije u trudno&#x0107;i imaju &#x017E;ene s prija&#x0161;njom anamnezom SA, upalnom bolesti crijeva ili sindromom malapsorpcije, blizana&#x010D;kom trudno&#x0107;om, mla&#x0111;e od 20 godina i one s novom trudno&#x0107;om tijekom godine dana nakon poro&#x0111;aja. (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>&#x2013;<xref ref-type="bibr" rid="r52"><italic>52</italic></xref>) Anemija u trudno&#x0107;i povezana je s povi&#x0161;enim rizikom od prijevremenog poro&#x0111;aja, vi&#x0161;im mortalitetom majke i djeteta te &#x010D;e&#x0161;&#x0107;im infekcijama. (<xref ref-type="bibr" rid="r52"><italic>52</italic></xref>, <xref ref-type="bibr" rid="r53"><italic>53</italic></xref>)</p>
<p>Svim trudnicama treba napraviti kompletnu krvnu sliku, nalaze Fe, TIBC, feritina, a ako nije dokazan SA, obradu treba nadopuniti (vitamin B12 i folna kiselina) te isklju&#x010D;iti hemoglobinopatiju. (<xref ref-type="bibr" rid="r51"><italic>51</italic></xref>) Ako je inicijalni probir za SA uredan (oko 12. tjedna trudno&#x0107;e), kontrolnu obradu treba ponoviti u 28. tjednu trudno&#x0107;e. Pri razini hemoglobina prije 12. tjedna trudno&#x0107;e &lt; 110 g/L, odnosno &lt; 105 g/L nakon 12. tjedna potrebno je provesti lije&#x010D;enje peroralnim preparatima &#x017E;eljeza. Vrijednost feritina &lt; 15 &#x03BC;g/L klju&#x010D;an je parametar za nedostatak &#x017E;eljeza. Kod dokazanog SA dnevna doza elementarnog &#x017E;eljeza jest 100 do 200 mg, a pri nedostatku &#x017E;eljeza opravdano je dati 20 do 80 mg &#x017E;eljeza na dan. Postpartalna anemija kod Hb &lt; 100 g/L nala&#x017E;e primjenu peroralnog preparata &#x017E;eljeza tijekom najmanje 3 mjeseca, a odgovor se procjenjuje nakon mjesec dana lije&#x010D;enja. (<xref ref-type="bibr" rid="r52"><italic>52</italic></xref>-<xref ref-type="bibr" rid="r54"><italic>54</italic></xref>) Ako je Hb u peripartalnom razdoblju 70 &#x2013; 90 g/L, odluka o transfuzijskom lije&#x010D;enju donosi se na osnovi klini&#x010D;kog stanja, simptoma anemije i rizika od krvarenja. U 70% &#x017E;ena mo&#x017E;e se o&#x010D;ekivati slabije podno&#x0161;enje peroralnih preparata &#x017E;eljeza. Intravensko &#x017E;eljezo mo&#x017E;e se primijeniti u 2. i 3. tromjese&#x010D;ju ako je korist ve&#x0107;a nego rizik za majku i dijete. &#x017D;eljezova sukroza i &#x017E;eljezov glukonat imaju FDA-inu kategoriju rizika B u trudno&#x0107;i, dok se visokodozno &#x017E;eljezo (&#x017E;eljezova karboksimaltoza i &#x017E;eljezov izomaltozid) ne preporu&#x010D;uje u prvom tromjese&#x010D;ju trudno&#x0107;e. (<xref ref-type="bibr" rid="r54"><italic>54</italic></xref>, <xref ref-type="bibr" rid="r55"><italic>55</italic></xref>)</p>
</sec>
<sec id="sec2">
<label>2.</label><title>Anemija zbog manjka &#x017E;eljeza kod bolesnika s kardiovaskularnim bolestima</title>
<p>Pretpostavlja se da oko 30% bolesnika sa sr&#x010D;anim popu&#x0161;tanjem i do 20% bolesnika s ishemijskom kardiomiopatijom ima anemiju. Posljednje smjernice Europskoga kardiolo&#x0161;kog dru&#x0161;tva iz 2016. godine upu&#x0107;uju na potrebu probira bolesnika na anemiju i sideropeniju. (<xref ref-type="bibr" rid="r44"><italic>44</italic></xref>) Nekoliko je &#x010D;imbenika koji dovode do anemije (manjak &#x017E;eljeza, popratna bubre&#x017E;na bolest, smanjena proizvodnja eritropoetina, hemodilucija, uzimanje antiagregacijskih lijekova, ACE-inhibitora, stanje kroni&#x010D;ne upale, anemije kod kroni&#x010D;ne bolesti, malapsorpcija). (<xref ref-type="bibr" rid="r56"><italic>56</italic></xref>) Peroralno &#x017E;eljezo nije lijek izbora. Primjena novih visokodoznih pripravaka &#x017E;eljeza dovodi do pobolj&#x0161;anja kvalitete &#x017E;ivota, smanjuje simptome anemije i pobolj&#x0161;ava funkcionalni kapacitet. (<xref ref-type="bibr" rid="r57"><italic>57</italic></xref>) Rezultati &#x010D;etiriju dvostruko slijepih randomiziranih klini&#x010D;kih studija objavljeni u metaanalizi pokazali su da lije&#x010D;enje sideropeni&#x010D;ne anemije visokodoznim &#x017E;eljezom kod bolesnika sa sistoli&#x010D;kim sr&#x010D;anim popu&#x0161;tanjem mo&#x017E;e smanjiti broj hospitalizacija zbog simptoma anemije, pospje&#x0161;iti rezultate 6-minutnog testa hodanja, pove&#x0107;ati snagu i izdr&#x017E;ljivost, &#x0161;to dovodi do pobolj&#x0161;anja kvalitete &#x017E;ivota. (<xref ref-type="bibr" rid="r57"><italic>57</italic></xref>-<xref ref-type="bibr" rid="r59"><italic>59</italic></xref>)</p>
</sec>
<sec id="sec3">
<label>3.</label><title>Anemija zbog manjka &#x017E;eljeza kod djece</title>
<p>Pri interpretaciji krvne slike kod djece treba znati osobitosti razvojne hematopoeze i normalne varijacije laboratorijskih vrijednosti tijekom djetinjstva (<xref ref-type="table" rid="t10">Table 10</xref>).</p>
<table-wrap id="t10" position="float">
<label>Table 10</label><caption><title>Normal hemoglobin variations in children*</title>
</caption>
<table frame="hsides" rules="groups">
<col width="31.72%"/>
<col width="34.13%"/>
<col width="34.15%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Dob (godine)<break/>&#x00A0;&#x00A0;/Age (years)</th>
<th valign="middle" align="center" scope="col" style="border-left: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Srednja vrijednost hemoglobina (g/L)<break/>&#x00A0;&#x00A0;/Mean value of hemoglobin (g/L)</th>
<th valign="middle" align="center" scope="col" style="border-left: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Donja granica hemoglobina (g/L)<break/>&#x00A0;&#x00A0;/Lower value of hemoglobin (g/L)</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Novoro&#x0111;en&#x010D;e<break/>&#x00A0;&#x00A0;/Newborn child</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;165</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;135</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;0,5 &#x2013; 2</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;120</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;105</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;2 &#x2013; 6</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;125</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;115</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;6 &#x2013; 12</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;135</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;115</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;12 &#x2013; 18 &#x2640;</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;140</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;120</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;12 &#x2013; 18 &#x2642;</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;145</td>
<td valign="middle" align="center" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;130</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>*prilago&#x0111;eno prema ref. <xref ref-type="bibr" rid="r62">62</xref>./data adapted from ref <xref ref-type="bibr" rid="r62">62</xref></p>
</table-wrap-foot></table-wrap>
<p>Globalna prevalencija anemije (Hb &lt; 110 g/L) u djece dobi od 6 do 59 mjeseci jest 43%, od &#x010D;ega polovicu &#x010D;ini anemija uzrokovana manjkom &#x017E;eljeza (Hb &lt; 110 g/L i feritin &lt; 12 &#x03BC;g/L). (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r60"><italic>60</italic></xref>) Sideropeni&#x010D;na anemija (SA) znatno je &#x010D;e&#x0161;&#x0107;a u nerazvijenim zemljama (prevalencija u djece do navr&#x0161;enih 5 godina u Africi iznosi 64,6% prema 3,6% u Sjevernoj Americi). Perinatalni &#x010D;imbenici rizika od razvoja SA jesu: anemija majke, feto-maternalno krvarenje, sindrom blizana&#x010D;ke transfuzije, prematuritet i perinatalno krvarenje. (<xref ref-type="bibr" rid="r61"><italic>61</italic></xref>) Odgo&#x0111;eno podvezivanje pupkovine (120 &#x2013; 180 sekunda nakon ro&#x0111;enja) znatno sni&#x017E;ava rizik od SA. (<xref ref-type="bibr" rid="r62"><italic>62</italic></xref>) Naj&#x010D;e&#x0161;&#x0107;i uzrok SA kod djece jest nedovoljan unos &#x017E;eljeza hranom. Ostali prehrambeni &#x010D;imbenici jesu smanjena crijevna apsorpcija &#x017E;eljeza, prehrana kravljim mlijekom prije navr&#x0161;enih 12 mjeseci &#x017E;ivota, okultni intestinalni gubitak krvi zbog alergijskog kolitisa na proteine kravljeg mlijeka te gastrointestinalne bolesti: celijakija, kroni&#x010D;ne upalne bolesti crijeva, resekcija proksimalnoga tankog crijeva i infestacije parazitima. U adolescenciji je SA &#x010D;e&#x0161;&#x0107;i kod adolescentica s menometroragijom, sporta&#x0161;a, vegetarijanaca i kroni&#x010D;nih bolesnika. (<xref ref-type="bibr" rid="r60"><italic>60</italic></xref>, <xref ref-type="bibr" rid="r62"><italic>62</italic></xref>) Klini&#x010D;ka je slika razli&#x010D;ita, ovisno o stupnju i uzroku anemije te dobi djeteta. U manje djece &#x010D;esto se javljaju: odstupanja u psihomotornom/mentalnom razvoju, promjene pona&#x0161;anja/razdra&#x017E;ljivost, slabiji imunitet i pove&#x0107;ana sklonost infekcijama, pagofagija i pika. (<xref ref-type="bibr" rid="r61"><italic>61</italic></xref>, <xref ref-type="bibr" rid="r63"><italic>63</italic></xref>) Rutinski probir potreban je u sve djece od 6 do 24 mjeseca. Procjena rizi&#x010D;nih &#x010D;imbenika preporu&#x010D;uje se u 4., 15., 18., 24. i 30. mjesecu &#x017E;ivota, s 3 godine i nakon toga jedanput na godinu, a usmjerava se na prehrambene navike. Najvulnerabilnije skupine jesu prijevremeno ro&#x0111;ena djeca i djeca niske rodne mase, djeca hranjena mlijekom koje nije oboga&#x0107;eno &#x017E;eljezom te kravljim mlijekom prije navr&#x0161;enih 12 mjeseci, djeca nakon 6 mjeseci koja na dan imaju manje od 2 obroka &#x0161;to sadr&#x017E;avaju &#x017E;eljezo, pred&#x0161;kolska djeca koja konzumiraju vi&#x0161;e od 600 mL mlijeka na dan ili imaju manje od 3 obroka na dan &#x0161;to sadr&#x017E;avaju &#x017E;eljezo. Minimalni laboratorijski test probira jesu KKS i Hb. Dijagnosti&#x010D;ki test izbora je feritin u serumu. Vrijednosti serumskog feritina &lt; 12 &#x03BC;g/L u djece do 5 godina i &lt; 15 &#x03BC;g/L u djece iznad 5 godina pri odsutnosti stanja koja mogu utjecati na vrijednosti feritina (upala, infekcija, bolesti jetre) potvr&#x0111;uju SA. (<xref ref-type="bibr" rid="r63"><italic>63</italic></xref>) U djece do 24 mjeseca s blagim SA izbor lije&#x010D;enja jest peroralna primjena &#x017E;eljeza u dozi od 3 mg/kg elementarnog &#x017E;eljeza 1 &#x2013; 2&#x00D7; na dan (dnevna doza 3 &#x2013; 6 mg). Porast hemoglobina &gt; 10 g/L nakon 4 tjedna potvr&#x0111;uje SA (IB). Kod djece s poznatom hemoglobinopatijom potrebno je odrediti feritin prije terapije &#x017E;eljezom (IB). Dodatna je evaluacija (Rtc, razmaz periferne krvi; Fe, UIBC, TIBC; stolica na okultno krvarenje) potrebna prije uvo&#x0111;enja supstitucijske terapije ako je dijete u dobi &gt; 24 mjeseca ili ako ima te&#x0161;ku anemiju (Hb &lt; 70 g/L). Lije&#x010D;enje se temelji na peroralnoj primjeni jednostavnih soli &#x017E;eljeza, 3 &#x2013; 6 mg/kg/dan elementarnog &#x017E;eljeza, naj&#x010D;e&#x0161;&#x0107;e &#x017E;eljezova sulfata u dozi od 3 mg/kg 1 &#x2013; 2&#x00D7; na dan (maksimalna dnevna doza 150 mg). Najbolja je resorpcija ako se uzima 30 &#x2013; 45 minuta prije obroka ili 2 sata nakon njega. Djeca sa SA-om naj&#x010D;e&#x0161;&#x0107;e imaju brz i dobar odgovor na peroralno &#x017E;eljezo. (<xref ref-type="bibr" rid="r61"><italic>61</italic></xref>) Intravensko &#x017E;eljezo rijetko se primjenjuje i vrlo je malo publiciranih studija o primjeni izvan indikacije kroni&#x010D;ne bubre&#x017E;ne bolesti i hemodijalize. Intravenska primjena &#x017E;eljeza indicirana je za djecu s te&#x017E;im SA-om u koje je izostao odgovor na peroralno &#x017E;eljezo, koja ne podnose peroralne preparate, imaju malapsorpciju ili nisu suradljiva. Naj&#x010D;e&#x0161;&#x0107;e se primjenjuje niskomolekularni &#x017E;eljezov dekstran. Nuspojave su rijetke, ali mogu biti te&#x0161;ke, &#x0161;to opravdava primjenu intravenskog &#x017E;eljeza u bolni&#x010D;kim uvjetima. (<xref ref-type="bibr" rid="r64"><italic>64</italic></xref>, <xref ref-type="bibr" rid="r65"><italic>65</italic></xref>)</p>
</sec>
<sec id="sec4">
<label>4.</label><title>Preoperativna obrada i kirur&#x0161;ki zahvati</title>
<p>Anemija utvr&#x0111;ena tijekom preoperativne obrade mo&#x017E;e biti u sklopu prethodno neprepoznate bolesti, npr., zlo&#x0107;udne. Prikladnom perioperativnom pripremom mo&#x017E;e se izbje&#x0107;i izlaganje bolesnika potencijalno &#x0161;tetnim u&#x010D;incima anemije ili rizicima od transfuzijskog lije&#x010D;enja. Potreba za transfuzijskim lije&#x010D;enjem iznosi oko 40% kod nekardiokirur&#x0161;kih operacija. (<xref ref-type="bibr" rid="r66"><italic>66</italic></xref>) Nedostatak &#x017E;eljeza naj&#x010D;e&#x0161;&#x0107;i je uzrok anemije u populaciji bolesnika koji idu na kirur&#x0161;ki zahvat. (<xref ref-type="bibr" rid="r67"><italic>67</italic></xref>, <xref ref-type="bibr" rid="r68"><italic>68</italic></xref>) Preoperativna anemija povi&#x0161;ava rizik od transfuzije i pove&#x0107;ava broj nepotrebnih transfuzija perioperativno. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>) Preoperativna anemija, &#x010D;ak i u blagom obliku, neovisno je povezana s povi&#x0161;enim postoperativnim morbiditetom i mortalitetom u 30 dana nakon zahvata. (<xref ref-type="bibr" rid="r70"><italic>70</italic></xref>, <xref ref-type="bibr" rid="r71"><italic>71</italic></xref>) Svi bolesnici koji idu na elektivni kirur&#x0161;ki zahvat trebaju biti &#x0161;to prije podvrgnuti probiru za anemiju uzrokovanu nedostatkom &#x017E;eljeza da bi se popravile razina hemoglobina i zalihe &#x017E;eljeza. U svih bolesnika kod kojih je planiran ve&#x0107;i kirur&#x0161;ki zahvat potrebno je razrije&#x0161;iti uzrok anemije te ju, po mogu&#x0107;nosti, korigirati prije zahvata, jer anemija povi&#x0161;ava rizik od morbiditeta i mortaliteta tijekom zahvata. Visokodozni pripravci &#x017E;eljeza pokazuju se vrlo u&#x010D;inkovitima pri korekciji preoperativne anemije. (<xref ref-type="bibr" rid="r66"><italic>66</italic></xref>, <xref ref-type="bibr" rid="r70"><italic>70</italic></xref>)</p>
</sec>
</sec>
<sec sec-type="other9">
<title>Zaklju&#x010D;ak</title>
<p>Anemija uzrokovana manjkom &#x017E;eljeza naj&#x010D;e&#x0161;&#x0107;a je vrsta anemije, va&#x017E;an medicinski problem, izazov koji iziskuje rad specijalista vi&#x0161;e medicinskih struka. Nedostatak &#x017E;eljeza s anemijom ili bez nje poga&#x0111;a djecu, adolescente, sporta&#x0161;e, &#x017E;ene reproduktivne dobi, trudnice, ali i starije bolesnike u kojih mo&#x017E;e biti odraz te&#x017E;e bolesti. Gastrointestinalne bolesti naj&#x010D;e&#x0161;&#x0107;i su uzrok sideropeni&#x010D;ne anemije kod mu&#x0161;karaca i &#x017E;ena u menopauzi. Funkcionalni manjak &#x017E;eljeza javlja se uz upalne i kroni&#x010D;ne bolesti i mo&#x017E;e dodatno pogor&#x0161;avati simptome tih bolesnika. Potrebno je pravodobno dijagnosticirati uzrok koji je doveo do anemije te lije&#x010D;iti i uzrok i anemiju. Lije&#x010D;enje anemije temelji se na primjeni peroralnih pripravaka &#x017E;eljeza uz dobru suradljivost bolesnika i/ili parenteralnih pripravaka, a pritom valja uzeti u obzir uzrok i te&#x017E;inu anemije, potrebnu brzinu njezine korekcije te prija&#x0161;nje lije&#x010D;enje. Novi parenteralni pripravci &#x017E;eljeza pokazali su dobru u&#x010D;inkovitost i kod bolesnika s apsolutnim manjkom &#x017E;eljeza, ali i u onih s funkcionalnim manjkom, sni&#x017E;avaju&#x0107;i pritom tro&#x0161;ak lije&#x010D;enja drugim preparatima i transfuzijama eritrocita.</p>
</sec>
<sec sec-type="other10">
<title>Sa&#x017E;etak preporuka</title>
<p>Svaki stupanj anemije uzrokovane manjkom &#x017E;eljeza nala&#x017E;e dijagnosti&#x010D;ki pristup pri tra&#x017E;enju njezina uzroka (IIA).</p>
<p>Uzrok anemije zbog manjka &#x017E;eljeza valja dijagnosticirati kod mu&#x0161;karaca s Hb &lt; 120 g/L i &#x017E;ena u menopauzi &lt; 100 g/L, dok vrijednosti ispod navedenih upu&#x0107;uju na te&#x017E;e bolesti (IA).</p>
<p>Feritin je najpouzdaniji test za procjenu rezerva &#x017E;eljeza odnosno apsolutnog manjka &#x017E;eljeza pri sideropeni&#x010D;noj anemiji u odsutnosti kroni&#x010D;ne bolesti, gdje je feritin uredan ili povi&#x0161;en (IA).</p>
<p>Naj&#x010D;e&#x0161;&#x0107;e vrijednosti feritina pri apsolutnom manjku &#x017E;eljeza kod djece i &#x017E;ena reproduktivne dobi jesu ispod 15 mg/L, me&#x0111;utim, feritin ispod 30 &#x03BC;g/L kod odraslih i mu&#x0161;karaca upu&#x0107;uje na sideropeniju. (IA).</p>
<p>Eritrocitni parametri (MCV, MCH, RDW) pouzdani su pokazatelji nedostatka &#x017E;eljeza u odsutnosti kroni&#x010D;ne bolesti, hemoglobinopatije, manjka vitamina B12 ili folne kiseline (IA).</p>
<p>Pri normocitnoj anemiji potrebno je isklju&#x010D;iti druge uzroke poput manjka vitamina B12, folne kiseline, odrediti antieritrocitna protutijela, bilirubin, LD (laktat dehidrogenazu), Rtc (retikulocite), elektroforezu proteina seruma (IB).</p>
<p>Od drugih laboratorijskih testova svakako treba u&#x010D;initi serolo&#x0161;ke pretrage na celijakiju i ako je nalaz pozitivan, biopsiju tankog crijeva odnosno dvanaesnika (IIA).</p>
<p>Ako je feritin vrijednosti 100 &#x2013; 299 &#x03BC;g/L pridru&#x017E;en kroni&#x010D;noj bolesti uz zasi&#x0107;enost transferina ispod 20%, ili ako je feritin ispod 100 &#x03BC;g/L, najvjerojatnije se radi o funkcionalnom manjku &#x017E;eljeza (IIA).</p>
<p>Bolesnici s kroni&#x010D;nom bubre&#x017E;nom bolesti i feritinom &lt; 100 &#x03BC;g/L i oni s vrijednosti feritina &lt; 200 &#x03BC;g/L na kroni&#x010D;noj hemodijalizi dobro odgovaraju na primjenu intravenskog &#x017E;eljeza (IA).</p>
<p>Feritin nije parametar koji bi upu&#x0107;ivao na odgovor ko&#x0161;tane sr&#x017E;i nakon primjene stimulatora eritropoeze (npr., eritropoetina) i pri anemiji povezanoj s rakom (IA).</p>
<p>Kod mu&#x0161;karaca i &#x017E;ena u menopauzi s dokazanim SA-om potrebno je u&#x010D;initi endoskopsku obradu gornjeg i donjeg dijela gastrointestinalnog trakta radi isklju&#x010D;ivanja maligne bolesti (IA).</p>
<p>Prisutnost erozivnog ezofagitisa, gastritisa i ulkusa koji aktivno ne krvari ne bi smjela odgoditi izvo&#x0111;enje kolonoskopije (IIA).</p>
<p>Cilj lije&#x010D;enja anemije uzrokovane nedostatkom &#x017E;eljeza jest normalizacija krvne slike, serumskog &#x017E;eljeza, transferina, ali najva&#x017E;nije je popuniti rezerve &#x017E;eljeza/feritina (IIA).</p>
<p>U bolesnika s kroni&#x010D;nim sr&#x010D;anim popu&#x0161;tanjem primjena parenteralnog &#x017E;eljeza dovodi do pobolj&#x0161;anja njihova funkcionalnog statusa (klasa NYHA), pove&#x0107;anja snage i fizi&#x010D;ke izdr&#x017E;ljivosti uz manji broj hospitalizacija (IIA).</p>
<p>U bolesnika s kroni&#x010D;nom bubre&#x017E;nom bolesti na hemodijalizi ili bez nje noviji pripravci parenteralnog &#x017E;eljeza pokazali su bolju u&#x010D;inkovitost od prija&#x0161;njih pripravaka, manju potro&#x0161;nju drugih pripravaka poput eritropoetina i transfuzija te smanjen broj hospitalizacija (IA).</p>
<p>Minimalni test probira pri sideropeni&#x010D;noj anemiji kod djece jesu hemoglobin (Hb) te eritrocitni parametri, a feritin je dijagnosti&#x010D;ki test izbora u djece (IA).</p>
<p>Test peroralnim &#x017E;eljezom prvi je dijagnosti&#x010D;ko-terapijski test za mikrocitnu anemiju u djece. Porast hemoglobina &gt; 10 g/L nakon 4 tjedna potvr&#x0111;uje SA (IB).</p>
<p>Dodatna je evaluacija (Rtc, razmaz periferne krvi, Fe, UIBC, TIBC, stolica na okultno krvarenje) potrebna prije uvo&#x0111;enja supstitucijske terapije ako je dijete dobi &gt; 24 mjeseca ili u te&#x0161;koj anemiji (Hb &lt; 70 g/L) (IB).</p>
</sec>
</body>
<back>
<ack>
<title>ZAHVALA</title>
<p>Zahvala svim lije&#x010D;nicima koji su sudjelovali u radnoj skupini Hrvatskog dru&#x0161;tva za hematologiju i KROHEM-a za izradu smjernica i pri raspravi:</p>
<p>Ivo Radman, Marijo Vodanovi&#x0107;, Igor Aurer (KBC Zagreb), Slobodanka Ostoji&#x0107; Koloni&#x0107;, Inga Mandac-Rogulj, Delfa Kri&#x0161;to-Radi&#x0107; (KB Merkur), &#x017D;eljko Prka, Vlatko Pej&#x0161;a, Rajko Ku&#x0161;ec (KB Dubrava), Dubravka &#x017D;upani&#x0107;-Krmek (KB Sveti Duh), Petar Ga&#x0107;ina, Dubravka &#x010C;ar&#x017E;avec (KBC Sestre milosrdnice), Du&#x0161;ka Petranovi&#x0107;, Toni Valkovi&#x0107;, Jelena Roganovi&#x0107; (KBC Rijeka), Jasminka Sin&#x010D;i&#x0107; Petri&#x010D;evi&#x0107; (KBC Osijek), Sanja Maduni&#x0107; (KBC Split), Renata Gutt-Nuk (OB Virovitica), Hrvoje Holik (OB Slavonski Brod), Elizabeta &#x0106;orovi&#x0107; Arneri (OB Dubrovnik), Luka Ku&#x017E;at (&#x017D;B &#x010C;akovec), Verica Lazi&#x0107;-Prodan (OB Pula).</p>
</ack>
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