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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-143-90</article-id>
<article-id pub-id-type="doi">10.26800/LV-143-3-4-2</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original article</subject></subj-group>
</article-categories>
<title-group>
<article-title>Adherencija i propisivanje statina u primarnoj prevenciji unutar primarne zdravstvene za&#x0161;tite</article-title>
<trans-title-group xml:lang="en">
<trans-title>Adherence and prescription of statin therapy in primary prevention in primary care unit</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3189-1518</contrib-id><name><surname>Jug</surname><given-names>Juraj</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Juraga</surname><given-names>Valentina</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Jelavi&#x0107;</surname><given-names>Ivor</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib>
<aff id="aff1"><label>1</label>Dom zdravlja Zagreb &#x2013; Zapad, <addr-line>Zagreb</addr-line></aff>
<aff id="aff2"><label>2</label>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu</aff>
</contrib-group>
<author-notes>
<corresp id="cor1">Adresa za dopisivanje: Juraj Jug, dr. med., <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0002-3189-1518">https://orcid.org/0000-0002-3189-1518</ext-link> Dom zdravlja Zagreb &#x2013; Zapad, Prilaz baruna Filipovi&#x0107;a 11, 10000 Zagreb; e-po&#x0161;ta: <email xlink:href="juraj2304@gmail.com">juraj2304@gmail.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>04</month><year>2021</year></pub-date>
<volume>143</volume>
<issue>3-4</issue>
<fpage>90</fpage>
<lpage>94</lpage>
<permissions>
<copyright-year>2021</copyright-year>
<copyright-holder>Croatian Medical Association</copyright-holder>
<license xlink:href="http://creativecommons.org/licenses/by-nc-nd/4.0/" specific-use="CC BY-NC-ND 4.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND) 4.0 License.</license-p></license>
</permissions>
<abstract>
<title>SA&#x017D;ETAK</title>
<sec><title>Cilj</title><p>Uz slabo dijagnosticiranu porodi&#x010D;nu hiperkolesterolemiju, sekundarna hiperkolesterolemija vrlo je &#x010D;est i zanemaren problem u svakodnevnoj klini&#x010D;koj praksi. Cilj ove studije je prikazati stvarno stanje kori&#x0161;tenja statinske terapije u praksi jedne ordinacije primarne zdravstvene za&#x0161;tite te istra&#x017E;iti razloge zbog kojih bolesnici ne koriste statine u primarnoj kardiovaskularnoj prevenciji.</p></sec>
<sec><title>Materijali i metode</title><p>Analizirani su rezultati laboratorijskih nalaza LDL-k, non-HDL kolesterola u serumu, koncentracija triglicerida te kreatinina u serumu 1608 pacijenata jedne od ordinacija u sklopu Doma zdravlja Zagreb &#x2013; Zapad kroz lipanj 2019. godine. Ukoliko je bolesnik koristio statinsku terapiju prilikom uzimanja uzoraka krvi, dobivena laboratorijska koncentracija serumskog kolesterola mno&#x017E;ila se s odgovaraju&#x0107;im korekcijskim faktorom za vrstu i dozu statina. Uklju&#x010D;eni su bolesnici &#x010D;ije su vrijednosti LDL-k izvornom ili korigiranom vrijedno&#x0161;&#x0107;u prelazile 5 mmol/L. Bubre&#x017E;na funkcija izra&#x010D;unata je po CKD-EPI formuli. Isklju&#x010D;eni su svi bolesnici sa svim jetrenim i/ili bubre&#x017E;nim bolestima kao i oni s nereguliranim vrijednostima glukoze u plazmi, perifernom arterijskom bolesti te preboljelim sr&#x010D;anim ili mo&#x017E;danim infarktom u osobnoj anamnezi.</p></sec>
<sec><title>Rezultati</title><p>Od 1608 pacijenata ordinacije, njih 40 (26 &#x017E;ena i 14 mu&#x0161;karaca, ukupno 2,5%) imalo je vrijednosti LDL kolesterola iznad 5 mmol/L (max 10,2 mmol/L). Razlika izme&#x0111;u spolova nije bilo. 38 pacijenata (95%) bili su hipertoni&#x010D;ari te 8 (20%) dijabeti&#x010D;ari s dobro reguliranim vrijednostima glukoze u plazmi. Unato&#x010D; vrijednostima LDL kolesterola, samo 10 pacijenata imalo je propisanu statinsku terapiju (25%). Vrijednosti non-HDL kolesterola u ovih bolesnika varirale su izme&#x0111;u 5,3 i 12,1 mmol/L. U 13 pacijenata postojali su dokazi u prilog mije&#x0161;ane hiperlipidemije. Starost bolesnika je iznosila izme&#x0111;u 52 i 89 godina. Unato&#x010D; normalnom padu bubre&#x017E;ne funkcije sa starenjem (Spearman r=&#x2013;0,71, p&lt;0,01), vrijednosti LDL i non-HDL kolesterola nisu pokazale korelaciju s njome. Ukupno 13 bolesnika bilo je starije od 70 godina.</p></sec>
<sec><title>Zaklju&#x010D;ak</title><p>Hiperkolesterolemija u primarnoj prevenciji kao jedan od neovisnih rizi&#x010D;nih &#x010D;imbenika za razvoj kardiovaskularnih bolesti i dalje je vrlo podcijenjen problem. Usprkos &#x010D;vrstim dokazima te visokim vrijednostima kolesterola u serumu, sumnji&#x010D;avost lije&#x010D;nika u u&#x010D;inkovitost statinske terapije i slaba suradljivost bolesnika dovode do razo&#x010D;aravaju&#x0107;ih rezultata u kori&#x0161;tenju hipolipemi&#x010D;kih lijekova u primarnoj prevenciji kardiovaskularnih bolesti.</p></sec>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<sec><title>Aim</title><p>Apart from underdiagnosed familial hypercholesterolemia, idiopathic hypercholesterolemia in Croatian population is one of the most common and ignored problems in everyday clinical practice. This study aimed to present the situation of statin use in primary prevention in the average Croatian primary care unit, and to reveal the main reasons why patients do not take statins in primary cardiovascular prevention. <italic>Materials &amp; Methods:</italic> We analyzed lab test results (LDL cholesterol and non-HDL cholesterol, triglyceride, and creatinine levels in serum) of 1608 patients in one primary care unit from the Health Center Zagreb &#x2013; West during June 2019. If a patient took statin therapy his LDL cholesterol was calculated by multiplying with the corresponding correction factor. We included all patients whose LDL cholesterol, corrected or measured, exceeded 5mmol/L. Kidney function was calculated by the CKD-EPI formula. All patients with any liver and kidney disease were excluded, as well as uncontrolled diabetic patients. Patients with previous myocardial infarction and/or cerebrovascular insult were also excluded.</p></sec>
<sec><title>Results</title><p>Out of 1608 patients, 40 (26 female, 14 male, total 2.5%) presented with LDL-cholesterol above 5 mmol/L (max. 10.2 mmol/L). There were no gender differences. Thirty-eight patients (95%) were hypertensive, and eight (20%) had controlled diabetes mellitus type 2. Despite LDL cholesterol levels, only ten patients had prescribed statin therapy (25%). The levels of non-HDL cholesterol in these patients showed a range from 5.3 to 12.1 mmol/L. In 13 patients we found evidence of mixed hyperlipidemia. The age of patients varied from 52 to 89 years. Kidney function deteriorated with aging (Spearman r=&#x2013;0.71, p&lt;0.01), but LDL cholesterol and non-HDL cholesterol values didn&#x2019;t depend on those changes. Thirteen analyzed patients were over 70 years old.</p></sec>
<sec><title>Conclusion</title><p>In primary prevention hypercholesterolemia, as one of the independent risk factors for cardiovascular disease development, is still an underestimated problem. Despite the obvious evidence and very high serum cholesterol levels, doctors&#x2019; disbelief in statin efficacy and patients&#x2019; low compliance lead to disappointing results in prescribing lipid-lowering drugs in primary prevention.</p></sec>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori STATINI &#x2013; terapijska uporaba</kwd><kwd>KARDIOVASKULARNE BOLESTI &#x2013; prevencija</kwd><kwd>HIPERKOLESTEROLEMIJA &#x2013; farmakoterapija</kwd><kwd>LDL KOLESTEROL &#x2013; u krvi</kwd><kwd>PRIMARNA ZDRAVSTVENA ZA&#x0160;TITA</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>HYDROXYMETHYLGLUTARYL-COA REDUCTASE INHIBITORS &#x2013; therapeutic use</kwd><kwd>CARDIOVASCULAR DISEASES &#x2013; prevention and control</kwd><kwd>HYPERCHOLESTEROLEMIA &#x2013; druh therapy</kwd><kwd>CHOLESTEROL, LDL &#x2013; blood</kwd><kwd>PRIMARY HEALTH CARE</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Od 1987. godine, kada je lovastatin postao prvi odobreni statin za komercijalnu upotrebu, brojne dvostruko slijepe prospektivne randomizirane klini&#x010D;ke studije dokazale su benefit od uzimanja statina (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>). Do 1989. polusintetski potentniji pravastatin i simvastatin zamijenili su lovastatin. Danas znamo da je upotreba atorvastatina i rosuvastatina povezana s najve&#x0107;im sni&#x017E;enjem kardiovaskularnog (KV) rizika i mortaliteta (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r3"><italic>3</italic></xref>). U mnogim studijama postoje dokazi da je rosuvastatin u dozi od 10 mg potentniji u sni&#x017E;enju LDL-k kolesterola u serumu nego atorvastatin od 20 mg. Zna&#x010D;ajno pobolj&#x0161;anje cijeloga aterogenog lipidnog profila, posebno porast HDL-k kolesterola, &#x010D;ime se smanjuje i KV rizik, vidiljivo je uz svakodnevnu primjenu statina (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>, <xref ref-type="bibr" rid="r5"><italic>5</italic></xref>). Tako&#x0111;er, postoje dokazi da statini stabiliziraju i smanjuju postoje&#x0107;e aterogene plakove arterija (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>). U prospektivnoj studiji Jupiter bez velikog rizika za razvoj dijabetesa, rosuvastatin u dozi od 20 mg povezan je sa smanjenjem ukupnog KV mortaliteta od 22% bez pove&#x0107;anja rizika za razvoj dijabetesa (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>).</p>
<p>Fiziolo&#x0161;ka funkcija kolesterola u tijelu jest odr&#x017E;avanje cjelovitosti i fluidnosti stani&#x010D;nih membrana te sinteza steroidnih hormona, &#x017E;u&#x010D;nih kiselina i vitamina D. Za sve ove uloge potrebna je vrlo mala koli&#x010D;ina kolesterola u krvnoj plazmi. Budu&#x0107;i da je kolesterol netopljiv u vodenom mediju, prijenos u krvnom serumu obavlja se pomo&#x0107;u lipoproteina koji ga prenose krvlju izme&#x0111;u tankog crijeva, jetre i masnog tkiva. Koncentracija LDL receptora na membrani hepatocita mo&#x017E;e se pove&#x0107;ati pomo&#x0107;u tzv. &#x201E;up&#x201D; regulacije uslijed pove&#x0107;ane koncentracije hilomikrona te &#x010D;estica LDL u serumu kako bi se kolesterol uklonio iz cirkulacije (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>). Kada je prijenos kolesterola iz lipoproteina u jetru smanjen ili onemogu&#x0107;en zbog poreme&#x0107;aja u samom LDL receptoru, fiziolo&#x0161;ka hepati&#x010D;ka sinteza kolesterola raste (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>). Potonje se doga&#x0111;a u obiteljskoj hiperkolesterolemiji, autosomno dominantnom poreme&#x0107;aju jetrenog LDL receptora pretpostavljene prevalencije 1:250 u op&#x0107;oj populaciji (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>). Na&#x017E;alost, ve&#x0107;ina ovakvih bolesnika prepozna se tek nakon preboljelog KV incidenta poput sr&#x010D;anog ili mo&#x017E;danog udara, dok ostali bolesnici ostaju zauvijek neprepoznati (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>).</p>
<p>Statini su inhibitori hidroksimetilglutaril-koenzim A (HMG-CoA) reduktaze, enzima nu&#x017E;nog za <italic>de-novo</italic> sintezu kolesterola u jetri. Tako&#x0111;er, statini mogu potaknuti ekspresiju hepati&#x010D;kih LDL receptora na membranama hepatocita (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>). Stvarne nuspojave statina vi&#x0111;aju se rijetko. Usporedbom 34 kontrolirana randomizirana ispitivanja, rizik za razvoj dijabetesa vrlo je mali (OR 1,09). Nadalje, prolazan netoksi&#x010D;an porast vrijednosti jetrenih transaminaza vi&#x0111;a se &#x010D;e&#x0161;&#x0107;e (OR 1,30), kao i porast serumske kreatin kinaze (OR 1,09), no razlike u pojavnosti rabdomiolize izme&#x0111;u placeba i ispitivanih statina nije bilo (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>). Benigne, o dozi neovisne miopatije naj&#x010D;e&#x0161;&#x0107;a su klini&#x010D;ki prijavljena nuspojava. Promjena vrste statina &#x010D;esto uspje&#x0161;no rije&#x0161;i ovaj problem.</p>
<p>Mnoga istra&#x017E;ivanja podupiru uporabu statina u primarnoj prevenciji baziranu na postoje&#x0107;em individualnom KV riziku (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>). Prema klauzuli Hrvatskog zavoda za zdravstveno osiguranje (HZZO), samo bolesnici mla&#x0111;i od 70 godina s vrijednostima ukupnog kolesterola iznad 7 mmol/L nakon tri mjeseca stroge dijete imaju pravo na statinsku terapiju u primarnoj prevenciji. Iznimku &#x010D;ine dijabeti&#x010D;ari &#x010D;ije vrijednosti trebaju biti iznad 5 mmol/L. Ova klauzula ne uzima u obzir KV rizik, prilikom &#x010D;ega brojni visokorizi&#x010D;ni bolesnici ostaju bez prava na statinsku terapiju bez doplate. Ipak, mnogi bolesnici koji zadovoljavaju ove kriterije odbijaju uporabu statina. Cilj ove studije bio je pokazati stvarno stanje uporabe statinske terapije u praksi primarne zdravstvene za&#x0161;tite i istra&#x017E;iti prave razloge za&#x0161;to mnogi pacijenti odbijaju uporabu statina u primarnoj KV prevenciji.</p>
<sec sec-type="other1">
<title>Metode</title>
<p>Ukupno 1608 laboratorijskih nalaza bolesnika uklju&#x010D;eno je u ovo presje&#x010D;no istra&#x017E;ivanje u&#x010D;injeno u ordinaciji primarne zdravstvene za&#x0161;tite Doma zdravlja Zagreb &#x2013; Zapad tijekom lipnja 2019. godine. Bolesnici koji zadovoljavaju zadane kriterije uklju&#x010D;eni su u studiju pomo&#x0107;u tra&#x017E;ilice kartona pacijenata u sustavu <italic>Medicus.net</italic> prema kojoj je vijednost ukupnog kolesterola vi&#x0161;u od 7 mmol/L imalo ukupno 132 bolesnika. Ovaj uvjet zadovoljavalo je 89 bolesnika na statinskoj terapiji kada se laboratorijski izmjerena vrijednost ukupnog kolesterola mno&#x017E;ila s odgovaraju&#x0107;im korekcijskim faktorom za dozu i vrstu propisanog statina. Svi bolesnici s anamnezom infarkta miokarda, mo&#x017E;danog udara, periferne arterijske bolesti, nereguliranog dijabetesa melitusa s komplikacijama ili bez komplikacija, jetrenom bole&#x0161;&#x0107;u i/ili kroni&#x010D;nom bubre&#x017E;nom bole&#x0161;&#x0107;u (4. ili 5. CKD stadija) isklju&#x010D;eni su iz istra&#x017E;ivanja. Kako bismo predstavili ozbiljnost stanja, u kona&#x010D;nici su u studiju uklju&#x010D;eni samo bolesnici s izvornim ili korigiranim vrijednostima LDL kolesterola ve&#x0107;im od 5 mmol/L. Korigirana vrijednost ra&#x010D;unala se u bolesnika na hipolipemi&#x010D;koj terapiji prema odgovaraju&#x0107;em faktoru korekcije za vrstu i dozu propisanog statina. Budu&#x0107;i da se male aterogene &#x010D;estice ne mogu precizno mjeriti, vrijednost non-HDL kolesterola kori&#x0161;tena je kao aproksimacija koncentracije istih.</p>
<p>Bubre&#x017E;na funkcija izra&#x010D;unata je pomo&#x0107;u CKD-EPI formule. Primarna prevencija u ovom radu definirana je kao skup intervencija u cilju sprje&#x010D;avanja razvoja odre&#x0111;ene kardiovaskularne bolesti.</p>
<p>Za ispitivanje razloga zbog kojeg bolesnici ne koriste statinsku terapiju kori&#x0161;teno je samo jedno pitanje s &#x010D;etiri mogu&#x0107;a odgovora. Bolesnici su mogli odabrati samo jedan odgovor. Na pitanje su odgovarali samo pacijenti koji su zadovoljili kriterije za primarnu prevenciju, a u terapiji nisu imali statin. Pitanje je glasilo: &#x201E;Koji je va&#x0161; glavni razlog zbog kojeg ne uzimate statine?&#x201D;. Mogu&#x0107;i odgovori su: &#x201E;a) Nisam znao/la da mi je potreban; b) Lije&#x010D;nik mi je rekao da mi statin nije potreban; c) Mislim da su statini otrovni; d) Imao/la sam nuspojavu prilikom upotrebe statina&#x201D;.</p>
<p>Svi laboratorijski nalazi bili su iz istog laboratorija Doma zdravlja na lokaciji Prilaz baruna Filipovi&#x0107;a 11, Zagreb. Mjerene su vrijednosti rutinskih laboratorijskih parametara kao &#x0161;to su koncentracija mokra&#x0107;ne kiseline, kompletna krvna slika, lipidogram te serumski kreatinin. Za izra&#x010D;un korelacije bubre&#x017E;ne funkcije i vrijednosti kolesterola kori&#x0161;ten je neparametrijski Spearmanov test. P vrijednost ispod 0,05 smatrala se statisti&#x010D;kim zna&#x010D;ajnom. Statistika je napravljena pomo&#x0107;u programa <italic>Statistica v.10</italic>.</p>
</sec>
<sec sec-type="other2">
<title>Rezultati</title>
<p>Od ukupno 1608 pacijenata ordinacije, njih 40 (26 &#x017E;enskih i 14 mu&#x0161;kih, ukupno 2,5% svih pacijenata ordinacije) uklju&#x010D;eno je u studiju (<xref ref-type="table" rid="t1">Table 1</xref>.). Minimalne uklju&#x010D;ive vrijednosti LDL kolesterola bile su 5 mmol/L, dok je najvi&#x0161;a zabilje&#x017E;ena iznosila 10,2 mmol/L. Medijan starosti svih bolesnika bio je 65 godina (minimum 47, maksimum 89 godina). Razlike me&#x0111;u spolovima nisu prona&#x0111;ene. Tako&#x0111;er, vrijednosti ukupnog kolesterola i lipoproteina nisu korelirale sa starenjem (ukupni kolesterol: r=&#x2013;0.02, p=NS; LDL: r=&#x2013;0.12; p=NS; HDL: r=0.14; p=NS). Gotovo svi bolesnici bili su hipertoni&#x010D;ari (38 od 40, 95%), a 8 (20%) je bolovalo od dobro reguliranog dijabetesa melitusa tipa 2. Hiperuricemija, kao &#x010D;est pratitelj hiperlipidemiji, prona&#x0111;ena je u 13 bolesnika (42,5%).</p>
<table-wrap id="t1" position="float">
<label>Table 1</label><caption><title>Number of patients when certain criteria are applied</title>
</caption>
<table frame="hsides" rules="groups">
<col width="31.73%"/>
<col width="23.16%"/>
<col width="25.61%"/>
<col width="19.5%"/>
<thead>
<tr>
<th valign="middle" colspan="2" 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">Uklju&#x010D;ni kriterij / Inclusion criteria</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">Broj pacijenata (N) / Number of patients (N)</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">Udio pacijenata / Ratio (%)</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" colspan="2" 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">Svi pacijenti ambulante / All patients</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">1608</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">100,00</td>
</tr>
<tr>
<td rowspan="2" 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">Ukupni kolesterol iznad 7 mmol/L / Total cholesterol above 7 mmol/L</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">Izmjereni / Measured</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">132</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">8,21</td>
</tr>
<tr>
<td valign="middle" colspan="1" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Izra&#x010D;unati / Calculated</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">89</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">5,53</td>
</tr>
<tr>
<td valign="middle" colspan="2" 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">LDL kolesterol iznad 5 mmol/L (primarna prevencija) / LDL cholesterol above 5 mmol/L (primary prevention)</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">40</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">2,49</td>
</tr>
<tr>
<td rowspan="3" 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">Imaju statin u primarnoj prevenciji / Have statin therapy (primary prevention)</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">Rosuvastatin</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">5</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"></td>
</tr>
<tr>
<td valign="middle" colspan="1" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Atorvastatin</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">4</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"></td>
</tr>
<tr>
<td valign="middle" colspan="1" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">Simvastatin</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">1</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"></td>
</tr>
</tbody></table></table-wrap>
<p>Serumska koncentracija mokra&#x0107;ne kiseline pokazala je zna&#x010D;ajnu pozitivnu korelaciju s vrijednostima LDL kolesterola (r=0,28, p&lt;0,05) te negativnu uz vrijednosti HDL kolesterola (r=&#x2013;0,57, p&lt;0,01). Tako&#x0111;er, sli&#x010D;na korelacija je prona&#x0111;ena i izme&#x0111;u ukupnog broja leukocita i LDL &#x010D;estica (0,37, p&lt;0,01) te HDL &#x010D;estica (r=&#x2013;0,41, p&lt;0,01). Unato&#x010D; visokim vrijednostima LDL kolesterola, samo 10 bolesnika je imalo propisanu statinsku terapiju (25%) od kojih je najpropisivaniji bio rosuvastatin (5 pacijenata). Vrijednosti non-HDL kolesterola u ovih bolesnika varirale su izme&#x0111;u 5,3 i 12,1 mmol/L. Povi&#x0161;ene vrijednosti triglicerida prona&#x0111;ene su u 13 bolesnika (32,5%). Bubre&#x017E;na funkcija padala je sa starenjem (r=&#x2013;0,71, p&lt;0,01), no vrijednosti LDL i non-HDL kolesterola nisu pokazale statisti&#x010D;ki zna&#x010D;ajnu korelaciju s ovim promjenama bubre&#x017E;ne funkcije. U kona&#x010D;nici, 13 bolesnika bilo je starije od 70 godina, a samo 2 su bila na statinskoj terapiji.</p>
<p>Svih 30 bolesnika bez statinske terapije pristalo je odgovoriti na postavljeno pitanje. Rezultati odgovora na pitanje prikazani su u <xref ref-type="table" rid="t2">Table 2</xref>.</p>
<table-wrap id="t2" position="float">
<label>Table 2</label><caption><title>Patient&#x2019;s answers to the asked question &#x201C;What is your main reason for not taking statins?&#x201D; The total number of answers is 30.</title>
</caption>
<table frame="hsides" rules="groups">
<col width="56.11%"/>
<col width="26.82%"/>
<col width="17.07%"/>
<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">Odgovor / Answer</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">Broj odgovora / Number of answers</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">Udio / Ratio</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">a) Nisam znao/la da mi je potreban / I didn&#x2019;t know I should</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">16</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">53,33%</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">b) Lije&#x010D;nik mi je rekao da mi statin nije potreban / My doctor said I did not need them</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">4</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">13,33%</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">c) Mislim da su statini otrovni / I think statins are toxic</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">9</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">30,00%</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">d) Imao/la sam nuspojave prilikom upotrebe statina / I had adverse effect(s)</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">1</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">3,33%</td>
</tr>
</tbody></table></table-wrap>
</sec>
<sec sec-type="other3">
<title>Rasprava</title>
<p>Sve brojniji dokazi o u&#x010D;inkovitosti statina u KV prevenciji s vrlo rijetkim nuspojavama koje prema&#x0161;uju benefit te sve ni&#x017E;om tr&#x017E;i&#x0161;nom cijenom trebali bi biti glavni razlozi za razmatranje uvo&#x0111;enja statinske terapije u srednje do visokorizi&#x010D;nih KV bolesnika (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>, <xref ref-type="bibr" rid="r14"><italic>14</italic></xref>). Stvarnu u&#x010D;inkovitost statina na sni&#x017E;enje KV rizika u primarnoj prevenciji mo&#x017E;emo ostvariti samo uz propisnu upotrebu statinske terapije (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>). Me&#x0111;utim, iako je cijena statinske terapije posljednjih godina zna&#x010D;ajno pala, a dokaza o u&#x010D;inkovitosti statina ima sve vi&#x0161;e, HZZO i dalje inzistira na vrlo strogoj klauzuli prilikom njihovog propisivanja za primarnu prevenciju KV doga&#x0111;aja. Ukidanjem ove klauzule daleko ve&#x0107;i udio pacijenata ostvario bi pravo na statinsku terapiju bez doplate, &#x010D;ime bi pove&#x0107;ali suradljivost te snizili rizik od nastanka kardiovaskularnih komplikacija u visokorizi&#x010D;kih bolesnika. Takav potez bi u kona&#x010D;nici doveo do ni&#x017E;ih tro&#x0161;kova lije&#x010D;enja posljedica ovih bolesti te pove&#x0107;anja kvalitete &#x017E;ivota takvih bolesnika.</p>
<p>Vrijednosti kolesterola i serumskih lipoproteina u na&#x0161;oj studiji nisu zna&#x010D;ajno korelirale s dobi, kao niti s bubre&#x017E;nom funkcijom, &#x0161;to se mo&#x017E;e objasniti kontinuiranom podjednakom hepati&#x010D;kom sintezom i razgradnjom kolesterola. Hiperlipidemija je vrlo &#x010D;est pratitelj hipertoni&#x010D;ara i dijabeti&#x010D;ara, iako je glavni kauzalni razlog za to i dalje nepoznat (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>). Razli&#x010D;iti antihipertenzivi, kao &#x0161;to su beta-blokatori, diuretici petlje te tijazidi, pokazali su negativan u&#x010D;inak na serumske vrijednosti LDL kolesterola (porast od 5&#x2013;10%), dok je samo moksonidin pokazao sni&#x017E;enje vrijednosti LDL kolesterola (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>, <xref ref-type="bibr" rid="r17"><italic>17</italic></xref>).</p>
<p>U klini&#x010D;koj praksi mnogi se bolesnici odlu&#x010D;uju na promjenu &#x017E;ivotnog stila u cilju sni&#x017E;enja vrijednosti serumskog kolesterola. Strah od nuspojava i lijekova uop&#x0107;e zna&#x010D;ajno smanjuje suradljivost prilikom kori&#x0161;tenja lijekova, osobito statina (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>). Ovisno o vrsti tjelovje&#x017E;be i dijete, zabilje&#x017E;en je pad vrijednosti LDL kolesterola izme&#x0111;u 9 i 35% u razdoblju od 3&#x2013;6 mjeseci od po&#x010D;etka promjene &#x017E;ivotnog stila bez statinske terapije (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>). Unato&#x010D; tomu, na ovaj na&#x010D;in bolesnici s vrlo visokim vrijednostima LDL kolesterola nikada ne dosegnu preporu&#x010D;ene vrijednosti LDL kolesterola za umjereno rizi&#x010D;ne KV pacijente od 2,6 mmol/L. Budu&#x0107;i da sami po sebi zbog osnovne bolesti imaju vi&#x0161;i rizik od nastanka KV komplikacija, u dijabeti&#x010D;ara je ta vrijednost spu&#x0161;tena na 1,8 mmol/L (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>).</p>
<p>Na&#x0161;a studija prikazuje razo&#x010D;aravaju&#x0107;e rezultate u propisivanju statinske terapije u primarnoj prevenciji u prosje&#x010D;noj ordinaciji primarne zdravstvene za&#x0161;tite. Samo 25% pacijenata s ekstremno visokim vrijednostima LDL kolesterola imalo je propisan statin, no u vrlo niskim dozama (npr. atorvastatin 10 mg ili rosuvastatin 5 mg), &#x010D;ime ve&#x0107;inom nisu postizali ciljne vrijednosti. Analiza glavnih razloga nekori&#x0161;tenja statinske terapije tako&#x0111;er je pokazala da ve&#x0107;ina bolesnika ne uzima statinsku terapiju zato &#x0161;to nisu dobili informaciju da im je ta terapija uop&#x0107;e potrebna, kao i zato &#x0161;to misle da su statini otrovni. Na&#x017E;alost, unato&#x010D; svim dokazima, brojni specijalisti pa tako i lije&#x010D;nici op&#x0107;e medicine i dalje preispituju u&#x010D;inkovitost statinske terapije. Utjecaj medija kao i pojedine interesne skupine tako&#x0111;er zauzimaju vrlo va&#x017E;no mjesto u odbijanju statinske terapije. Uz to, lo&#x0161;a komunikacija izme&#x0111;u lije&#x010D;nika i pacijenta te struke u medijima ostavlja pacijente dezinformiranima ili u neznanju, &#x0161;to je vrlo opasno jer se na taj na&#x010D;in smanjuje kredibilitet medicine kao struke. Bolesnici vrlo &#x010D;esto prenose informacije me&#x0111;u sobom te razviju odre&#x0111;enu percepciju vezanu uz svaki pojedini lijek. Mnoge studije pokazuju da bolesnici &#x017E;ude za informacijama o lijekovima koje uzimaju (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>). Posljedi&#x010D;no svemu, ukoliko bolesnik kroni&#x010D;no uzima vi&#x0161;e od jednog lijeka, statini &#x0107;e vrlo vjerojatno biti prvi koje &#x0107;e izbaciti iz kroni&#x010D;ne upotrebe (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>).</p>
<p>S druge strane, mnoge lije&#x010D;nike zabrinjava mogu&#x0107;i rizik od razvoja dijabetesa prilikom uporabe statina iako je on vrlo nizak (OR 1,09) te vrlo rijetka hepatotoksi&#x010D;nost gdje rizik nije dokazan (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>, <xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r21"><italic>21</italic></xref>). Benefiti upotrebe statina u KV prevenciji daleko prema&#x0161;uju sve strahove i mogu&#x0107;e nuspojave (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>). U studiji provedenoj na ameri&#x010D;kim vojnim veteranima starijim od 75 godina Orkabyja i suradnika (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>) statini su doveli do zna&#x010D;ajnog smanjenja kardiovaskularnog mortaliteta u primarnoj prevenciji. Ova studija prikazuje suprotne rezultate uvrije&#x017E;enom mi&#x0161;ljenju te klauzuli HZZO-a, prema kojima je statinska terapija u primarnoj prevenciji u osoba starijih od 70 godina besmislena.</p>
<p>Svo medicinsko osoblje trebalo bi ulo&#x017E;iti vi&#x0161;e truda u edukaciju pacijenata o zdravim na&#x010D;inima &#x017E;ivota, &#x010D;imbenicima KV rizika te, ako je potrebno, o va&#x017E;nosti kontinuiranog uzimanja propisanog lijeka. Tako&#x0111;er, lije&#x010D;nike bi trebalo poticati da prate nova istra&#x017E;ivanja i smjernice vezane uz prevenciju, a nu&#x017E;no je i ve&#x0107; spomenuto uskla&#x0111;ivanje klauzule HZZO-a s trenutnim smjernicama za propisivanje statina u primarnoj prevenciji.</p>
</sec>
<sec sec-type="other4">
<title>Zaklju&#x010D;ak</title>
<p>Hiperkolesterolemija, kao neovisni rizi&#x010D;ni &#x010D;imbenik za razvoj KV bolesti, i dalje predstavlja vrlo podcijenjen problem u medicini. Usprkos brojnim dokazima i nalazima vrlo visokih vrijednosti serumskog kolesterola, sumnja lije&#x010D;nika i nesuradljivost bolesnika uzrokuju pojavu vrlo razo&#x010D;aravaju&#x0107;ih rezultata u propisivanju i kori&#x0161;tenju statina u primarnoj KV prevenciji. Trajnom i kvalitetnijom edukacijom svih zdravstvenih djelatnika, poticanjem kriti&#x010D;kog mi&#x0161;ljenja te predstavljanjem pravih i valjanih dokaza o u&#x010D;inkovitosti statinske terapije mogu&#x0107;e je smanjiti tro&#x0161;kove u zdravstvenom sustavu, pobolj&#x0161;ati kvalitetu &#x017E;ivota bolesnika te u kona&#x010D;nici nekome spasiti &#x017E;ivot.</p>
</sec>
</body>
<back>
<ref-list>
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