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<article article-type="review-article" dtd-version="1.0" xml:lang="hr" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<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-143-51</article-id>
<article-id pub-id-type="doi">10.26800/LV-143-1-2-8</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Review</subject></subj-group>
</article-categories>
<title-group>
<article-title>Druk&#x010D;iji pristup lije&#x010D;enju o&#x0161;te&#x0107;enog meniska &#x2013; sa&#x010D;uvajmo menisk</article-title>
<trans-title-group xml:lang="en">
<trans-title>Different approach in meniscal lesion management &#x2013; save the meniscus</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1806-1349</contrib-id><name><surname>Jeli&#x0107;</surname><given-names>Mislav</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Vlai&#x0107;</surname><given-names>Josip</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Josipovi&#x0107;</surname><given-names>Mario</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Serdar</surname><given-names>Jure</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib>
<aff id="aff1"><label>1</label>Klinika za ortopediju, <institution>KBC Zagreb</institution></aff>
<aff id="aff2"><label>2</label>Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu</aff>
<aff id="aff3"><label>3</label>Odjel za dje&#x010D;ju ortopediju, Klinika za dje&#x010D;je bolesti Zagreb</aff>
</contrib-group>
<author-notes>
<corresp id="cor1">Adresa za dopisivanje: Prof. dr. sc. Mislav Jeli&#x0107;, <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0003-1806-1349">https://orcid.org/0000-0003-1806-1349</ext-link> Klinika za ortopediju KBC-a Zagreb, Medicinski fakultet Sveu&#x010D;ili&#x0161;ta u Zagrebu, Trg bra&#x0107;e Ma&#x017E;urani&#x0107; 2, 10000 Zagreb, e-po&#x0161;ta: <email xlink:href="mislavorto@gmail.com">mislavorto@gmail.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>02</month><year>2021</year></pub-date>
<volume>143</volume>
<issue>1-2</issue>
<fpage>51</fpage>
<lpage>62</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>
<p>Menisci su vezivno-hrskavi&#x010D;ne strukture koje imaju va&#x017E;nu ulogu u za&#x0161;titi zglobne hrskavice i stabilnosti koljena. Puknu&#x0107;e meniska predstavlja naj&#x010D;e&#x0161;&#x0107;u intraartikularnu patologiju koljenskog zgloba te je naj&#x010D;e&#x0161;&#x0107;i razlog izvo&#x0111;enja operacijskih zahvata na koljenu. Razvojem artroskopskih tehnika, artroskopska djelomi&#x010D;na meniscektomija postala je metodom izbora u lije&#x010D;enju puknu&#x0107;a meniska. Iako je minimalno invazivan zahvat kojim se odstranjuje samo dio meniska, a nakon kojeg se bolesnici brzo vra&#x0107;aju svakodnevnim aktivnostima, artroskopska djelomi&#x010D;na meniscektomija dugoro&#x010D;no ima nepovoljan utjecaj na hrskavicu koljena, &#x0161;to rezultira ubrzanim razvojem osteoartritisa. Stoga se od devedesetih godina pro&#x0161;log stolje&#x0107;a sve vi&#x0161;e promovira metoda artroskopskog &#x0161;ivanja meniska kojom se nastoji sa&#x010D;uvati anatomska cjelovitost, a time i funkcionalnost meniska. Premda klini&#x010D;ke studije pokazuju zadovoljavaju&#x0107;e dugoro&#x010D;ne rezultate nakon takvih zahvata, na&#x017E;alost, i dalje se &#x0161;ivanje meniska ne izvodi dovoljno &#x010D;esto. Cilj ovoga preglednog rada jest naglasiti va&#x017E;nost meniska u o&#x010D;uvanju hrskavice i stabilnosti koljena te na temelju podataka iz literature prikazati suvremene spoznaje o etiologiji, klasifikaciji, dijagnostici i lije&#x010D;enju puknu&#x0107;a meniska.</p>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<p>The menisci are fibrocartilaginous structures that play a crucial role in knee stability and cartilage protection. Meniscal lesions represent the most common knee injuries and are the major reason for patients undergoing knee surgery. Along with the development of arthroscopic techniques, arthroscopic partial meniscectomy, as a less invasive procedure that removes only the damaged part of the meniscus, became the gold standard in the treatment of meniscal lesions. Although arthroscopic partial meniscectomy is a minimally invasive procedure, after which patients quickly return to their daily activities, it has a devastating long-term impact on the knee cartilage, resulting in an accelerated development of the knee osteoarthritis.Therefore, the techniques of meniscal repair are increasingly promoted since the 1990s.Although clinical studies show satisfactory long-term results after such procedures, unfortunately, meniscal repair is still not performed frequently enough. The aim of this review is to emphasize the importance of the meniscus in the preservation of the cartilage of the knee and to present, on the basis of literature data, contemporary insights into the etiology, classification, diagnosis, and treatment of meniscal lesions.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori TIBIJALNI MENISCI &#x2013; kirurgija, patologija, transplantacija</kwd><kwd>OZLJEDE TIBIJALNOG MENISKA &#x2013; kirurgija</kwd><kwd>ORTOPEDSKI KIRUR&#x0160;KI ZAHVATI &#x2013; metode</kwd><kwd>MENISCEKTOMIJA &#x2013; metode</kwd><kwd>ARTROSKOPIJA</kwd><kwd>TEHNIKE KIRUR&#x0160;KOG &#x0160;IVANJA</kwd><kwd>OSTEOARTRITIS KOLJENA &#x2013; etiologija, prevencija</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>MENISCI, TIBIAL &#x2013; pathology, surgery, transplantation</kwd><kwd>TIBIAL MENISCUS INJURIES &#x2013;surgery</kwd><kwd>ORTHOPEDIC PROCEDURES &#x2013; methods</kwd><kwd>MENISCECTOMY &#x2013; methods</kwd><kwd>ARTHROSCOPY</kwd><kwd>SUTURE TECHNIQUES</kwd><kwd>OSTEOARTHRITIS, KNEE &#x2013; etiology, prevention and control</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Glavna funkcija meniska jest raspodjela optere&#x0107;enja izme&#x0111;u zglobnih ploha u cilju za&#x0161;tite zglobne hrskavice. U slu&#x010D;aju prekida anatomske cjelovitosti meniska, tj. puknu&#x0107;a, menisk gubi svoju fiziolo&#x0161;ku funkciju za&#x0161;tite hrskavice koljena te se pokre&#x0107;u nepovoljni procesi koji dovode do o&#x0161;te&#x0107;enja hrskavice, &#x0161;to &#x0107;e u kona&#x010D;nici rezultirati ubrzanim razvojem degenerativnih promjena odnosno osteoartritisom (u daljnjem tekstu OA) koljena.</p>
<p>Puknu&#x0107;e meniska koljena s incidencijom od 60 do 70 slu&#x010D;ajeva na 100.000 naj&#x010D;e&#x0161;&#x0107;a je ozljeda koljena i &#x010D;ini gotovo 75% ukupne intraartikularne patologije koljenskog zgloba. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r2"><italic>2</italic></xref>) Prema podatcima iz literature 70% svih artroskopija koljena u&#x010D;ini se zbog puknu&#x0107;a meniska, a samo u Sjedinjenim Ameri&#x010D;kim Dr&#x017E;avama iz istog se razloga godi&#x0161;nje u&#x010D;ini oko 500.000 artroskopija koljena. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r2"><italic>2</italic></xref>)</p>
<p>Prvi zapis o operacijskom lije&#x010D;enju puknu&#x0107;a meniska potje&#x010D;e iz 1883. kada je Thomas Annandale izveo prvi popravak meniska &#x0161;ivanjem. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>) Me&#x0111;utim, tradicionalni pristup operacijskom lije&#x010D;enju puknu&#x0107;a meniska ve&#x017E;e se uz Iana Scoota Smilliea (1907. &#x2013; 1992.) i uklju&#x010D;uje izvo&#x0111;enje tzv. potpune meniscektomije otvorenim pristupom gdje se nakon artrotomije, bez obzira na izgled puknu&#x0107;a, menisk u potpunosti uklonio iz koljena. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Naime, Smillie je smatrao kako je menisk afunkcionalna koljenska struktura koju je i pri samoj sumnji na puknu&#x0107;e potrebno u cijelosti odstraniti. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>)</p>
<p>Premda je ve&#x0107; 1948. Sir Thomas Fairbanks opisao degenerativne promjene zglobne hrskavice koljena koje nastaju nakon potpune meniscektomije, tek napretkom tehnologije, to&#x010D;nije razvitkom artroskopije, dolazi do pomaka u lije&#x010D;enju ozljeda meniska. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Klju&#x010D;nu ulogu u razvoju artroskopije, a time i lije&#x010D;enja puknu&#x0107;a meniska, odigrao je japanski kirurg Masaki Watanabe. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Watanabe je 1951., nastavno na rad svog u&#x010D;itelja Kenjia Takagija koji je 1931. dizajnirao prototip modernog artroskopa, razvio tzv. artroskop broj 13 koji je bio prilago&#x0111;en koljenskom zglobu, no samo za dijagnosti&#x010D;ke svrhe. (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>) Watanabe nastavlja pobolj&#x0161;avati karakteristike artroskopa te ga po&#x010D;inje koristiti i u terapijske svrhe, a 1962. prvi u svijetu izvodi meniscektomiju artroskopskim pristupom. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r7"><italic>7</italic></xref>) Ovdje valja spomenuti da je prvu meniscektomiju artroskopskim pristupom u SAD-u 1974. u&#x010D;inio Richard O&#x2019;Connor, a u Hrvatskoj Zvonimir Gjuri&#x0107; osamdesetih godina pro&#x0161;log stolje&#x0107;a. (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>, <xref ref-type="bibr" rid="r9"><italic>9</italic></xref>)</p>
<p>Uvo&#x0111;enjem artroskopije postupno je odba&#x010D;ena potpuna meniscektomija otvorenim pristupom. Premda je artroskopskim pristupom mogu&#x0107;e u&#x010D;initi i potpunu meniscektomiju, artroskopska tehnika je omogu&#x0107;ila napredak te je potpunu meniscektomiju, koja je bila standard tog doba, zamijenila djelomi&#x010D;na meniscektomija. Kako je poslijeoperacijski oporavak nakon artroskopske djelomi&#x010D;ne meniscektomije (u daljnjem tekstu ADM) relativno brz, takav na&#x010D;in operacijskog zbrinjavanja puknu&#x0107;a meniska pro&#x0161;irio se po &#x010D;itavom svijetu u posljednja dva desetlje&#x0107;a pro&#x0161;log stolje&#x0107;a, premda su se usporedno razvijale i tehnike popravka (&#x0161;ivanja) meniska. &#x0160;tovi&#x0161;e, ve&#x0107; krajem 1960-ih Hiroshi Ikeuchi izvodi prvo artroskopsko &#x0161;ivanje meniska, a po&#x010D;etkom 1980-ih Charles Hennig uvodi tzv. <italic>inside-out</italic> (iznutra &#x2013; van) tehniku artroskopskog &#x0161;ivanja meniska. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>)</p>
<p>Unato&#x010D; razvoju operativnih tehnika &#x0161;ivanja meniska, ali i provedenim biomehani&#x010D;kim i klini&#x010D;kim studijama kojima je nepobitno dokazana povezanost izme&#x0111;u meniscektomije i razvoja preuranjenog OA koljena, ADM se i danas naj&#x010D;e&#x0161;&#x0107;e koristi u lije&#x010D;enju puknu&#x0107;a meniska. Ipak, moderne spoznaje o va&#x017E;nosti meniska u o&#x010D;uvanju hrskavice i stabilnosti koljena kao i razvoj dijagnosti&#x010D;kih metoda koje omogu&#x0107;uju to&#x010D;niji opis puknu&#x0107;a meniska polako, ali sigurno, mijenjaju trendove u na&#x010D;inu zbrinjavanja puknu&#x0107;a meniska. &#x0160;tovi&#x0161;e, unutar ortopedske zajednice dolazi do nove paradigme u zbrinjavanju puknu&#x0107;a meniska koja glasi: <italic>Sa&#x010D;uvajmo menisk!</italic> (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>, <xref ref-type="bibr" rid="r11"><italic>11</italic></xref>)</p>
<p>Cilj ovoga preglednog rada jest naglasiti va&#x017E;nost o&#x010D;uvanja meniska koljena te na temelju podataka iz literature prikazati suvremene spoznaje o etiologiji, klasifikaciji, dijagnostici i lije&#x010D;enju puknu&#x0107;a meniska.</p>
<sec sec-type="other1">
<title>Anatomija i fiziologija meniska</title>
<p>Menisk, lat. <italic>meniscus</italic>, dolazi od gr&#x010D;ke rije&#x010D;i <italic>m&#x011B;niskos,</italic> &#x0161;to zna&#x010D;i &#x201E;polumjesec&#x201D;. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Menisci su parne polumjese&#x010D;aste vezivno-hrskavi&#x010D;ne strukture smje&#x0161;tene u medijalnom odnosno lateralnom odjeljku koljena izme&#x0111;u femura i tibije (<xref ref-type="fig" rid="f1">Figure 1a</xref>). Sredi&#x0161;nji rub obaju meniska jest slobodan, a periferni rub je gotovo cijelom du&#x017E;inom spojen s unutarnjim dijelom zglobne ovojnice, osim manjeg dijela lateralnog meniska koji se nalazi uz tetivu poplitealnog mi&#x0161;i&#x0107;a. Svojim oblikom menisci pove&#x0107;avaju kontaktnu povr&#x0161;inu zglobnih tijela smanjuju&#x0107;i time nekongruentnost izme&#x0111;u zglobnih ploha femoralnih kondila i platoa tibije. Na taj na&#x010D;in doprinose boljem prijenosu optere&#x0107;enja, &#x010D;ime se smanjuje pritisak na zglobnu hrskavicu, a ujedno pridonose i stabilnosti zgloba. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>)</p>
<fig id="f1" position="float" fig-type="figure"><label>Figure 1</label><caption><p>The meniscus a) Photography of the cadaveric human knee showing medial meniscus (green needle), lateral meniscus (turquoise needle), anterior cruciate ligament &#x2013; tibial attachment (red needle), posterior cruciate ligament (blue needle) b) Orientation of collagen fibers in the meniscus &#x2013; shematic representation</p></caption><graphic xlink:href="LV-143-51-f1"></graphic></fig>
<p>Menisci sadr&#x017E;e oko 70% vode i 30% organske tvari. Glavni dio organske tvari &#x010D;ini kolagen s udjelom od 75%, dok ostatak &#x010D;ine proteoglikani te elastin. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Osnovno usmjerenje kolagenih vlakana u menisku jest cirkumferentno. Okomito na cirkumferentna vlakna u povr&#x0161;inskim dijelovima meniska postavljena su i kolagena vlakna radijalnog usmjerenja (<xref ref-type="fig" rid="f1">Figure 1b</xref>). Kod optere&#x0107;enja, pritiskom zglobne plohe femura na menisk, cirkumferentna vlakna koja idu izme&#x0111;u prednjeg i stra&#x017E;njeg korijena meniska se napinju, a istodobno dolazi i do otpu&#x0161;tanja molekula vode vezane za proteoglikane u zglobni prostor, &#x010D;ime je sprije&#x010D;eno prekomjerno optere&#x0107;enje izme&#x0111;u zglobnih ploha, a time se i dodatno &#x201E;podmazuje&#x201D; s&#x00E2;m koljenski zglob. (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>)</p>
<p>Tijekom intrauterinog razvoja menisk je vaskulariziran cijelom svojom povr&#x0161;inom. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Nakon ro&#x0111;enja dolazi do postupnog smanjenja krvne opskrbe meniska pa tako do desete godine &#x017E;ivota prestaje krvna opskrba unutra&#x0161;njih dviju tre&#x0107;ina meniska, dok vanjska tre&#x0107;ina ostaje prokrvljena. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>) Ovisno o prokrvljenosti, idu&#x0107;i od periferije prema unutra&#x0161;njosti meniska, Arnozcky i Warren su podijelili menisk u tri zone: crvenu, crveno-bijelu te bijelu zonu, pri &#x010D;emu je crvena zona najbolje prokrvljeni dio meniska (<xref ref-type="fig" rid="f2">Figure 2</xref>.). (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) Spomenuta podjela ima va&#x017E;nu ulogu u klini&#x010D;koj praksi jer lokalizacija puknu&#x0107;a meniska, izme&#x0111;u ostalog, odre&#x0111;uje potencijal cijeljenja te samim time ima i ulogu u izboru lije&#x010D;enja. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>) Iako je postupni gubitak vaskularizacije meniska dio normalnog procesa starenja, bitno je naglasiti da je menisk u dje&#x010D;joj i adolescentnoj dobi i dalje bogato prokrvljen, zbog &#x010D;ega ima odli&#x010D;an potencijal cijeljenja. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>) Upravo iz tog razloga, prema suvremenim shva&#x0107;anjima, a s obzirom na va&#x017E;nost meniska u o&#x010D;uvanju homeostaze koljena, meniscektomija kod djece i adolescenata predstavlja svojevrsni <italic>&#x201E;vitium artis&#x201D;</italic> te je svaku takvu leziju u na&#x010D;elu potrebno zbrinuti &#x0161;ivanjem. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>)</p>
<fig id="f2" position="float" fig-type="figure"><label>Figure 2</label><caption><p>Meniscus cross section &#x2013; schematic representation of the vascularization zones Arnoczky and Warren (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) divided the meniscus into three zones of vascularization: the red zone, the red-white zone and the white zone. The red zone is the fully vascularized part of the meniscus. It covers the peripheral third of the meniscus and is closely related to the joint capsule from which it receives blood vessels that form a dense network. The red-white zone is the boundary zone between the vascularized and avascular part of the meniscus, which contains the ends of the blood vessels. The rest of the meniscus forms the white zone. There are no blood vessels in this zone, and this part of the meniscus recives nourishment from the synovial fluid by diffusion.</p></caption><graphic xlink:href="LV-143-51-f2"></graphic></fig>
</sec>
<sec sec-type="other2">
<title>Klasifikacija puknu&#x0107;a meniska</title>
<p>Me&#x0111;unarodno dru&#x0161;tvo za artroskopiju, kirurgiju koljena i sportsku medicinu (engl. <italic>International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine</italic> &#x2013; ISAKOS) 2006. godine osnovalo je radnu skupinu u svrhu izrade objektivne i pouzdane klasifikacije puknu&#x0107;a meniska. Cilj klasifikacije bio je standardizirati tipove puknu&#x0107;a meniska i usuglasiti terminologiju radi objektivnog pra&#x0107;enja ishoda lije&#x010D;enja. S tom svrhom osmi&#x0161;ljen je i dijagnosti&#x010D;ki obrazac kojim su sistematizirani kriteriji za evaluaciju puknu&#x0107;a meniska. (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>) Klasifikacijom su obuhva&#x0107;eni slijede&#x0107;i kriteriji: dubina puknu&#x0107;a (djelomi&#x010D;no ili kompletno), obodna &#x0161;irina puknu&#x0107;a, lokalizacija puknu&#x0107;a, lokalizacija puknu&#x0107;a lateralnog meniska s obzirom na poplitealni hiatus, obrazac (izgled) puknu&#x0107;a, kvaliteta tkiva meniska (degenerativna i nedegenerativna puknu&#x0107;a), duljina puknu&#x0107;a te veli&#x010D;ina odnosno postotak odstranjenog meniska ako je intraoperacijski u&#x010D;injena meniscektomija. (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>) Premda je na temelju ovih kriterija provedena i pilot-studija kojom je dokazana dostatna pouzdanost takve evaluacije puknu&#x0107;a meniska, ova klasifikacija nije u potpunosti prihva&#x0107;ena. Iz tog razloga i dalje ne postoji uniformna i op&#x0107;eprihva&#x0107;ena klasifikacija, ali se navedeni kriteriji, zasebno kao samostalne klasifikacije ili kombinirano, ipak koriste u svakodnevnoj klini&#x010D;koj praksi pri evaluaciji puknu&#x0107;a meniska.</p>
<p>Puknu&#x0107;a meniska naj&#x010D;e&#x0161;&#x0107;e se klasificiraju prema obrascu, tj. izgledu samog puknu&#x0107;a (<xref ref-type="fig" rid="f3">Figure 3</xref>.). Prema toj podjeli razlikujemo vertikalna, horizontalna i radijalna puknu&#x0107;a. Kod vertikalnih puknu&#x0107;a linija puknu&#x0107;a je okomita na plato tibije, a paralelna s cirkumferentnim kolagenim nitima. Vertikalna puknu&#x0107;a su naj&#x010D;e&#x0161;&#x0107;e uzdu&#x017E;na, no mo&#x017E;e biti formiran i tzv. vertikalni flap. Poseban oblik uzdu&#x017E;nog vertikalnog puknu&#x0107;a predstavlja tzv. &#x201E;<italic>bucket handle</italic>&#x201D; puknu&#x0107;e, gdje dolazi do potpunog uzdu&#x017E;nog razdvajanja meniska koji poprima oblik tzv. dr&#x0161;ke na ko&#x0161;arici (engl. <italic>bucket handle</italic>). U slu&#x010D;aju horizontalnog puknu&#x0107;a linija puknu&#x0107;a je paralelna s tibijalnim platoom te dijeli menisk na dva dijela, gornji i donji. Prilikom radijalnog puknu&#x0107;a dolazi do prekida cirkumferentnih kolagenih niti, a usmjereno je od unutarnjega slobodnog ruba prema periferiji meniska. Ako izgled puknutog meniska ne odgovara nijednom od navedenih, govorimo o kompleksnom puknu&#x0107;u meniska. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>, <xref ref-type="bibr" rid="r20"><italic>20</italic></xref>)</p>
<fig id="f3" position="float" fig-type="figure"><label>Figure 3</label><caption><p>Meniscal lesion tear pattern according to ISAKOS classification</p></caption><graphic xlink:href="LV-143-51-f3"></graphic></fig>
<p>Jedna od najva&#x017E;nijih podjela puknu&#x0107;a meniska jest ona prema lokalizaciji. Ona uklju&#x010D;uje smje&#x0161;tanje puknu&#x0107;a u jednu od zona vaskularizacije meniska, zbog &#x010D;ega ima i prognosti&#x010D;ku vrijednost jer &#x0107;e menisk bolje cijeliti ukoliko je puknu&#x0107;e u dobro prokrvljenoj zoni. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r15"><italic>15</italic></xref>)</p>
<p>Prema mehanizmu nastanka puknu&#x0107;a meniska mogu biti traumatska i degenerativna. Traumatska puknu&#x0107;a nastaju uglavnom u mla&#x0111;oj populaciji i karakterizirana su akutnom pojavom simptoma kao posljedica ozljede koljena, a prema izgledu naj&#x010D;e&#x0161;&#x0107;e su vertikalna ili radijalna. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>&#x2013;<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>) Degenerativna puknu&#x0107;a meniska naj&#x010D;e&#x0161;&#x0107;e se ne povezuju s traumatskim doga&#x0111;ajem, ve&#x0107; nastaju kao posljedica ponavljaju&#x0107;ih optere&#x0107;enja na degenerativno promijenjeni menisk, koja u kona&#x010D;nici rezultiraju puknu&#x0107;em. Nastup simptoma u tom slu&#x010D;aju jest obi&#x010D;no postupan, a prema izgledu degenerativna puknu&#x0107;a su naj&#x010D;e&#x0161;&#x0107;e horizontalna ili kompleksna. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>&#x2013;<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>)</p>
<p>Izdvojeni oblik puknu&#x0107;a meniska predstavljaju puknu&#x0107;e korijena meniska (engl. <italic>root tear</italic>) te tzv. ramp lezija (engl. <italic>ramp lesion</italic>) (<xref ref-type="fig" rid="f4">Figure 4</xref>.). (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>) Puknu&#x0107;e korijena meniska predstavlja razdor kolagenih niti koje povezuju rogove meniska za tibijalni plato s avulzijom kosti ili bez nje, ali obuhva&#x0107;a i sva radijalna puknu&#x0107;a meniska do 1 cm od hvati&#x0161;ta korijena. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>, <xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Takvo puknu&#x0107;e meniska funkcionalno predstavlja potpunu meniscektomiju te je biomehani&#x010D;ki izrazito nepovoljno jer se zna&#x010D;ajno pove&#x0107;ava kontaktni pritisak izme&#x0111;u tibije i femura. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>)</p>
<fig id="f4" position="float" fig-type="figure"><label>Figure 4</label><caption><p>Shematic representation of the knee demonstrating: a) meniscal root tear; b) ramp lesion</p></caption><graphic xlink:href="LV-143-51-f4"></graphic></fig>
<p>Ramp lezija predstavlja poseban oblik uzdu&#x017E;nog puknu&#x0107;a stra&#x017E;njeg roga medijalnog meniska u podru&#x010D;ju spoja stra&#x017E;njeg roga i meniskotibijalnog odnosno meniskokapsularnog ligamenta. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>, <xref ref-type="bibr" rid="r24"><italic>24</italic></xref>) Naziva se i skrivena lezija meniska jer ju je vrlo te&#x0161;ko uo&#x010D;iti na snimkama u&#x010D;injenima magnetskom rezonancijom (u daljnjem tekstu MR), ali i standardnom artroskopskom inspekcijom. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>, <xref ref-type="bibr" rid="r27"><italic>27</italic></xref>) Premda je opisana jo&#x0161; osamdesetih godina pro&#x0161;log stolje&#x0107;a, tek u posljednjih nekoliko godina pridaje joj se ve&#x0107;i zna&#x010D;aj zbog toga &#x0161;to je primije&#x0107;eno da je u velikom broju slu&#x010D;ajeva udru&#x017E;ena s puknu&#x0107;em prednjega kri&#x017E;nog ligamenta (lat. <italic>ligamentum cruciatum anterior</italic> &#x2013; u daljnjem tekstu LCA). (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>)</p>
</sec>
<sec sec-type="other3">
<title>Dijagnostika puknu&#x0107;a meniska</title>
<p>Anamneza i klini&#x010D;ki pregled po&#x010D;etak su svakoga dijagnosti&#x010D;kog postupka. Anamnesti&#x010D;ki podatak o ozljedi udru&#x017E;en s klini&#x010D;kom slikom blokade koljena sna&#x017E;no upu&#x0107;uje na puknu&#x0107;e meniska. Me&#x0111;utim, puknu&#x0107;e meniska ne manifestira se uvijek blokadom koljena, stoga se u klini&#x010D;koj praksi koriste brojni klini&#x010D;ki testovi. Naj&#x010D;e&#x0161;&#x0107;e izvo&#x0111;eni testovi su McMurrayev, Apleyev te test osjetljivosti zglobne pukotine (engl. <italic>joint line tenderness</italic>). (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Iako &#x0107;e iskusan klini&#x010D;ar ve&#x0107; na temelju klini&#x010D;kog pregleda s velikom sigurno&#x0161;&#x0107;u prepoznati puknu&#x0107;e meniska, prema podatcima iz literature to&#x010D;nost klini&#x010D;kih testova prili&#x010D;no varira kre&#x0107;u&#x0107;i se od 57% do 90%. (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Iz tog je razloga MR, zbog svoga ne&#x0161;kodljivog karaktera, ali i mogu&#x0107;nosti prikaza mekotkivnih struktura, postala metodom izbora slikovnog prikaza prilikom dijagnostike ozljeda koljenskih struktura, a time i puknu&#x0107;a meniska. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>) Me&#x0111;utim, potrebno je naglasiti kako je klini&#x010D;ki pregled temeljni i najva&#x017E;niji dio dijagnostike puknu&#x0107;a meniska, dok je MR koljena pomo&#x0107;no dijagnosti&#x010D;ko sredstvo koje najve&#x0107;u vrijednost ima u slu&#x010D;ajevima nejasne klini&#x010D;ke slike. MR koljena je stoga indiciran tek nakon temeljite klini&#x010D;ke evaluacije bolesnika.</p>
<p>Evaluacija MR prikaza meniska obuhva&#x0107;a analizu intenziteta signala i oblika meniska. Uredni menisci su na MR-u prikazani kao tamne strukture, tj. strukture niskog intenziteta signala, a ovisno o MR presjeku menisci su trokutastog ili klinastog oblika (<xref ref-type="fig" rid="f5">Figure 5a</xref>). (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>) Prilikom puknu&#x0107;a meniska dolazi do prodora sinovijalne teku&#x0107;ine u menisk, a kako je teku&#x0107;ina vi&#x0161;eg intenziteta signala, dolazi i do povi&#x0161;enja intenziteta signala samog meniska. Me&#x0111;utim, ovdje je bitno naglasiti kako svako povi&#x0161;enje intenziteta signala meniska ne zna&#x010D;i nu&#x017E;no i puknu&#x0107;e, jer neka druga stanja, npr. o&#x010D;uvana obilnija vaskularizacija kod dje&#x010D;jeg meniska ili miksoidna degeneracija meniska, mogu promijeniti intenzitet signala meniska. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>, <xref ref-type="bibr" rid="r31"><italic>31</italic></xref>) &#x0160;tovi&#x0161;e, radiolo&#x0161;ka terminologija razlikuje tri stupnja o&#x0161;te&#x0107;enja meniska s obzirom na raspodjelu povi&#x0161;enog intenziteta signala (<xref ref-type="fig" rid="f5">Figure 5b</xref>), a sigurnim puknu&#x0107;em smatra se samo tre&#x0107;i stupanj karakteriziran linearnim povi&#x0161;enjem signala koje dopire do artikulacijske plohe, tj. povr&#x0161;ine meniska, a mo&#x017E;e se vidjeti na najmanje dva presjeka (tzv. <italic>two slice touch</italic> pravilo). (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>&#x2013;<xref ref-type="bibr" rid="r33"><italic>33</italic></xref>) Zaklju&#x010D;no, MR kriteriji za postavljanje dijagnoze puknu&#x0107;a meniska uklju&#x010D;uju linearno povi&#x0161;enje intenziteta signala koje dopire do povr&#x0161;ine meniska i promjenu oblika meniska. Ako su oba kriterija zadovoljena, s relativno velikom sigurno&#x0161;&#x0107;u mo&#x017E;e se temeljem nalaza MR-a postaviti dijagnozu puknu&#x0107;a meniska, uz napomenu da postoje razlike izme&#x0111;u medijalnog i lateralnog meniska. Prema podatcima iz literature osjetljivost pretrage MR-om, u usporedbi s nalazom artroskopije, iznosi 93% za medijalni i 79% za lateralni menisk, dok specifi&#x010D;nost iznosi 88% za medijalni, a 96% za lateralni menisk. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>, <xref ref-type="bibr" rid="r31"><italic>31</italic></xref>)</p>
<fig id="f5" position="float" fig-type="figure"><label>Figure 5</label><caption><p>Meniscal lesion grading on MR a) Left knee MR &#x2013; coronal view; normal appearance of the menisci (marked with white arrow) b) MR grading system for meniscal lesion &#x2013; shematic representation: Grade 1 &#x2013; smal focal area of signal hyperintensity without extension to the meniscal surface; Grade 2a &#x2013; linear area of signal hyperintensity without extension to the meniscal surface; Grade 2b &#x2013; linear area of signal hyperintensity extends to the meniscal surface on a single image; Grade 2c &#x2013; wedge-shaped area of signal hyperintensity without extension to the meniscal surface; Grade 3 &#x2013; linear area of signal hyperintensity extends to the meniscal surface on at least two images (two-slice-touch rule). Grades 1 and 2 are not considered as meniscal tear, however for some grade 2 lesions, a meniscal tear was arthroscopically identified, therefore grade 2 was further divided into three subgrades. The finding of 2c meniscus lesion on the MR in half of the cases is also thought to be a tear. Grade 3 is considered to be a definitive sign of a meniscal tear.</p></caption><graphic xlink:href="LV-143-51-f5"></graphic></fig>
<p>Osim informacije kako je menisk pukao, MR-om je mogu&#x0107;e odrediti i tip, tj. izgled puknu&#x0107;a meniska. Navedeno ima ulogu u planiranju lije&#x010D;enja, tj. odluci koja &#x0107;e se metoda tijekom artroskopije u&#x010D;initi &#x2013; ADM ili &#x0161;ivanje meniska. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>, <xref ref-type="bibr" rid="r33"><italic>33</italic></xref>, <xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) S ciljem uspostave korelacije izme&#x0111;u artroskopskog i MR nalaza u smislu odre&#x0111;ivanja tipa puknu&#x0107;a meniska, u istra&#x017E;ivanju Felisaza, et al. retrospektivno je, nakon prethodno u&#x010D;injene artroskopije, analizirano 79 MR-a koljena kako bi se odredila pogodnost puknu&#x0107;a za artroskopsko &#x0161;ivanje. (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) Prema rezultatima tog istra&#x017E;ivanja to&#x010D;nost MR-a u smislu procjene pogodnosti puknu&#x0107;a meniska za &#x0161;ivanje iznosi 83%, uz osjetljivost 85% i specifi&#x010D;nost 79%. (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) Autori posebno nagla&#x0161;avaju to&#x010D;nost nalaza MR-a u slu&#x010D;aju kompleksnih puknu&#x0107;a i puknu&#x0107;a tipa <italic>&#x201E;bucket handle&#x201D;</italic>. (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>)</p>
<p>MR koljena ima i svoja ograni&#x010D;enja, koja se prije svega odnose na evaluaciju simptomatskih koljena nakon prethodnog operacijskog lije&#x010D;enja meniska, bez obzira je li se radilo o ADM-u ili &#x0161;ivanju meniska. U tom slu&#x010D;aju kao metoda izbora predla&#x017E;e se MR artrografija koljena pomo&#x0107;u kontrasta kojom se otkrivaju rekurentna ili rezidualna puknu&#x0107;a meniska. Osjetljivost tako na&#x010D;injene pretrage dose&#x017E;e i do 94%. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>)</p>
</sec>
<sec sec-type="other4">
<title>Lije&#x010D;enje ozljeda meniska</title>
<sec>
<title>Meniscektomija</title>
<p>Prilikom puknu&#x0107;a meniska (<xref ref-type="fig" rid="f6">Figure 6a</xref>) dolazi do uklje&#x0161;tenja dijela meniska izme&#x0111;u kondila femura i tibije, &#x0161;to je pra&#x0107;eno naglim povla&#x010D;enjem zglobne ovojnice, a rezultira pojavom boli kod pacijenta. (<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) Slijedom navedenog, cilj ADM-a jest odstraniti odlomljeni dio meniska koji uzrokuje mehani&#x010D;ke tegobe, a o&#x010D;uvati periferni rub meniska koji je va&#x017E;an za biomehaniku koljenskog zgloba (<xref ref-type="fig" rid="f6">Figure 6b</xref>). (<xref ref-type="bibr" rid="r37"><italic>37</italic></xref>) Kako je rije&#x010D; o po&#x0161;tednom, a opet efikasnom zahvatu, ADM se i danas naj&#x010D;e&#x0161;&#x0107;e koristi za lije&#x010D;enje ozljeda meniska. (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>, <xref ref-type="bibr" rid="r38"><italic>38</italic></xref>) Me&#x0111;utim, i takav minimalno invazivan postupak dugoro&#x010D;no dovodi do ubrzanog razvoja OA koljena zbog promjena u biomehanici koljena i pove&#x0107;anja pritiska na zglobnu hrskavicu. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>, <xref ref-type="bibr" rid="r39"><italic>39</italic></xref>) Prema podatcima iz literature deset godina nakon na&#x010D;injene ADM prevalencija simptomatskog OA koljena je 12%. (<xref ref-type="bibr" rid="r40"><italic>40</italic></xref>) U slu&#x010D;aju istodobnog puknu&#x0107;a LCA, u istom vremenskom razdoblju, prevalencija OA koljena je jo&#x0161; vi&#x0161;a i iznosi 20&#x2013;30% &#x010D;ak i u slu&#x010D;aju uspje&#x0161;ne rekonstrukcije LCA. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r41"><italic>41</italic></xref>) U slu&#x010D;ajevima kroni&#x010D;ne nestabilnosti koljena uslijed puknutog LCA, prevalencija OA koljena nakon ADM-a u tridesetogodi&#x0161;njem razdoblju iznosi 100%. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r42"><italic>42</italic></xref>) Ukoliko razmatramo meniske pojedina&#x010D;no, zbog manje kongruentnosti lateralnoga tibiofemoralnog zgloba degenerativni procesi br&#x017E;e napreduju nakon ADM-a zbog puknu&#x0107;a lateralnog meniska. (<xref ref-type="bibr" rid="r43"><italic>43</italic></xref>, <xref ref-type="bibr" rid="r44"><italic>44</italic></xref>) Prema istra&#x017E;ivanju Chataina, et al., nakon ADM-a i desetogodi&#x0161;njeg pra&#x0107;enja 21,5% operiranih zbog puknu&#x0107;a medijalnog meniska te &#x010D;ak 37,5% operiranih zbog puknu&#x0107;a lateralnog meniska razvije radiolo&#x0161;ke znakove OA. (<xref ref-type="bibr" rid="r45"><italic>45</italic></xref>) Osim toga, u literaturi se spominje i ozbiljna akutna komplikacija nakon ADM-a lateralno. Naime, kod profesionalnih sporta&#x0161;a opisana je brzo progresivna hondroliza lateralnog odjeljka koljena koja nastupa unutar tri mjeseca nakon ADM-a zbog puknu&#x0107;a lateralnog meniska. (<xref ref-type="bibr" rid="r46"><italic>46</italic></xref>, <xref ref-type="bibr" rid="r47"><italic>47</italic></xref>)</p>
<fig id="f6" position="float" fig-type="figure"><label>Figure 6</label><caption><p>The meniscus &#x2013; arthroscopic view: a) meniscal tear; b) meniscal appearance after partial meniscectomy; c) meniscal sutures</p></caption><graphic xlink:href="LV-143-51-f6"></graphic></fig>
<p>Ovdje je va&#x017E;no istaknuti da se nakon ADM-a degenerativne promjene hrskavice razvijaju u svim odjeljcima koljena, a ne izolirano u operiranom odjeljku, i to ve&#x0107; dvije godine nakon u&#x010D;injene ADM. (<xref ref-type="bibr" rid="r48"><italic>48</italic></xref>) Tako&#x0111;er je potrebno spomenuti da s&#x00E2;m zahvat ADM uzrokuje bitno ve&#x0107;e pove&#x0107;anje optere&#x0107;enja zglobne hrskavice u usporedbi s pove&#x0107;anjem optere&#x0107;enja koje je uzrokovano puknu&#x0107;em meniska, stoga je bolje ne odstranjivati o&#x0161;te&#x0107;eni menisk ako bolesnik nema zna&#x010D;ajnih simptoma, negoli ga odstraniti. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>, <xref ref-type="bibr" rid="r49"><italic>49</italic></xref>)</p>
</sec>
<sec>
<title>&#x0160;ivanje meniska</title>
<p>Premda je sedamdesetih godina pro&#x0161;log stolje&#x0107;a DeHaven promovirao i metodu otvorenog &#x0161;ivanja meniska, za razvoj tehnika &#x0161;ivanja meniska (<xref ref-type="fig" rid="f6">Figure 6c</xref>) u dana&#x0161;njem smislu rije&#x010D;i zaslu&#x017E;an je Hirosho Ikeuchi koji je 1969. izveo prvo artroskopsko &#x0161;ivanje meniska. (<xref ref-type="bibr" rid="r50"><italic>50</italic></xref>, <xref ref-type="bibr" rid="r51"><italic>51</italic></xref>)</p>
<p>Tri su osnovne tehnike artroskopskog &#x0161;ivanja meniska: tzv. <italic>inside-out</italic> (&#x201E;iznutra &#x2013; van&#x201D;), <italic>outside-in</italic> (&#x201E;izvana &#x2013; unutra&#x201D;) te <italic>all-inside</italic> (&#x201E;sve &#x2013; iznutra&#x201D;) (<xref ref-type="fig" rid="f7">Figure 7</xref>.). (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<fig id="f7" position="float" fig-type="figure"><label>Figure 7</label><caption><p>Shematic representation of the described meniscal repair techniques: a) inside-out; b) outside-in; c) all-inside</p></caption><graphic xlink:href="LV-143-51-f7"></graphic></fig>
<p>Tehnika <italic>inside-out</italic> izvodi se pomo&#x0107;u posebno izra&#x0111;enih artroskopskih cjev&#x010D;ica koje se pod kontrolom artroskopa uvode u koljeno do mjesta lezije meniska. Kanile mogu biti jednostruke ili dvostruke, a dolaze u vi&#x0161;e oblika razli&#x010D;ite zakrivljenosti, kako bi se mogli dose&#x0107;i razli&#x010D;iti dijelovi meniska. Kroz kanile se provode igle s koncem koje se zatim, na mjestu rupture, provuku kroz oba dijela meniska tako da konac zavr&#x0161;i s vanjske strane zglobne ovojnice, gdje se i postavi &#x010D;vor kroz prethodno u&#x010D;injenu inciziju ko&#x017E;e. Dotezanjem &#x010D;vora dovode se u kontakt dva razdvojena kraja meniska na mjestu puknu&#x0107;a. Ova tehnika pogodna je za &#x0161;ivanje puknu&#x0107;a centralnog dijela, tj. tijela meniska. Prilikom izvo&#x0111;enja ove tehnike postoji opasnost od nastanka ijatrogene lezije &#x017E;ivaca, <italic>n. saphenusa</italic> medijalno i <italic>n. peroneusa</italic> lateralno. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<p>Tehnika <italic>outside-in</italic> jest najjeftinija tehnika jer se izvodi pomo&#x0107;u dviju obi&#x010D;nih injekcijskih igala i konca. Prvo se kroz obje igle provuku konci, a potom se pod kontrolom artroskopa obje igle perkutano uvedu na mjesto puknu&#x0107;a meniska te se pomo&#x0107;u artroskopskog hvata&#x010D;a jedan kraj konca provede kroz prethodno napravljenu om&#x010D;u drugog konca. Izvla&#x010D;e&#x0107;i konac s om&#x010D;om, izvu&#x010D;emo prvi konac, te kona&#x010D;no kroz ko&#x017E;nu inciziju s vanjske strane ovojnice napravimo &#x010D;vor. Opisanom tehnikom mogu&#x0107;e je &#x0161;ivati puknu&#x0107;a prednjeg roga obaju meniska. Prilikom izvo&#x0111;enja ove tehnike tako&#x0111;er postoji opasnost od lezije neuralnih struktura. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<p>Tehnikom <italic>all-inside</italic> &#x0161;ivanje meniska se u potpunosti izvodi intraartikularno bez dodatnih ko&#x017E;nih incizija. Nastala je krajem pro&#x0161;log stolje&#x0107;a s ciljem smanjenja rizika od ozljede neurovaskularnih struktura. Ovom tehnikom se koriste posebni implantati i instrumenti pomo&#x0107;u kojih se konac provu&#x010D;e prvo kroz menisk, potom kroz zglobnu ovojnicu, gdje se implantat &#x201E;usidri&#x201D;, a zatim se &#x010D;vor zategne na povr&#x0161;ini samog meniska. Spomenuta tehnika posebno je pogodna za &#x0161;ivanje puknu&#x0107;a stra&#x017E;njeg roga meniska, a ujedno je i najskuplja tehnika &#x0161;ivanja, budu&#x0107;i da zahtijeva kori&#x0161;tenje implantata. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<p>Kako je ve&#x0107; spomenuto, odabir tehnike &#x0161;ivanja meniska ovisi o izgledu puknu&#x0107;a meniska, stoga je potrebno da operater vlada svim trima tehnikama. Bitno je spomenuti da stanoviti principi moraju biti po&#x0161;tivani bez obzira na vrstu tehnike &#x0161;ivanja meniska pa je tako traumatska puknu&#x0107;a meniska potrebno &#x0161;ivati akutno, tj. u kratkom vremenu nakon nastanka puknu&#x0107;a, stoga &#x0161;to s vremenom dolazi do &#x201E;skvr&#x010D;avanja&#x201D; tkiva meniska, nakon &#x010D;ega je te&#x017E;e posti&#x0107;i dobru repoziciju krajeva puknu&#x0107;a. Nadalje, bitno je spomenuti da je prije plasiranja &#x0161;ava potrebno, kako bismo potaknuli revaskularizaciju, a time i cijeljenje meniska,<sup>,</sup> osvje&#x017E;iti rubove na mjestu puknu&#x0107;a, &#x0161;to se izvodi trepanacijom pomo&#x0107;u igle ili artroskopskim raspatorijem. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) U slu&#x010D;aju potrebe vi&#x0161;e &#x0161;avova, razmak izme&#x0111;u njih ne smije biti ve&#x0107;i od 5 mm. Mo&#x017E;da najva&#x017E;niji princip &#x0161;ivanja meniska jest orijentacija &#x0161;ava s obzirom na menisk. Naime, zbog usmjerenosti cirkumferentnih kolagenih vlakana meniska, koja su &#x010D;vr&#x0161;&#x0107;a i va&#x017E;nija za funkciju meniska od radijalnih vlakana, biomehani&#x010D;ki je povoljnije postaviti &#x0161;avove vertikalno na menisk, tj. vertikalno na cirkumferentna vlakna. Stoga se danas prilikom &#x0161;ivanja meniska standardno postavljaju vertikalni &#x0161;avovi. (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>)</p>
<p>Bez obzira na odabir tehnike i pravilno odabranu indikaciju s obzirom na tip puknu&#x0107;a meniska, potrebno je spomenuti da, u usporedbi s ADM-om, operacije &#x0161;ivanja meniska ipak imaju ne&#x0161;to vi&#x0161;e reoperacija. Ukupni postotak reoperacija nakon ADM-a u kratkoro&#x010D;nom pra&#x0107;enju do 4 godine iznosi 1,4%, dok nakon &#x0161;ivanja meniska iznosi 16,5%. Me&#x0111;utim, u slu&#x010D;aju istovremene rekonstrukcije LCA, rezultati &#x0161;ivanja meniska su uspje&#x0161;niji, tj. postotak reoperacija je ni&#x017E;i i iznosi 12,4% za medijalni menisk i 8% za lateralni menisk. (<xref ref-type="bibr" rid="r52"><italic>52</italic></xref>) Nadalje, u posljednje vrijeme uvode se i nove metode kojima se dodatno poti&#x010D;e cijeljenje meniska. U literaturi se spominju mikrofrakture interkondilarne udubine, aplikacija PRP-a (engl. <italic>platelet rich plasma</italic>), terapija mati&#x010D;nim stanicama, no potrebna su dodatna istra&#x017E;ivanja kojima &#x0107;e se definitivno potvrditi u&#x010D;inkovitost tih metoda. (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>)</p>
</sec>
<sec>
<title>Konzervativno lije&#x010D;enje ozljeda meniska</title>
<p>Uz opisane na&#x010D;ine operacijskog lije&#x010D;enja treba spomenuti i mogu&#x0107;nost konzervativnog lije&#x010D;enja ozljeda meniska. Mjere konzervativnog lije&#x010D;enja odnose se uglavnom na degenerativna puknu&#x0107;a meniska, a uklju&#x010D;uju fizikalnu terapiju, redukciju tjelesne mase, upotrebu protuupalnih lijekova te eventualno intratikularnu aplikaciju lijekova (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>). Osim degenerativnih puknu&#x0107;a, neka traumatska puknu&#x0107;a meniska mogu&#x0107;e je tako&#x0111;er zbrinuti konzervativnim lije&#x010D;enjem. Prema podatcima iz literature, manja vertikalna puknu&#x0107;a meniska u dje&#x010D;joj dobi mogu zacijeliti spontano, bez operacijske intervencije, uz po&#x0161;tedu od aktivnosti i provo&#x0111;enje fizikalne terapije. (<xref ref-type="bibr" rid="r53"><italic>53</italic></xref>)</p>
</sec>
</sec>
<sec sec-type="other5">
<title>Dana&#x0161;nje smjernice lije&#x010D;enja puknu&#x0107;a meniska</title>
<p>Temeljem biomehani&#x010D;kih studija poznato je da neka puknu&#x0107;a meniska imaju bolji potencijal cijeljenja, stoga u odabiru metode lije&#x010D;enja va&#x017E;nu ulogu ima tip puknu&#x0107;a i mehanizam nastanka. U slu&#x010D;aju traumatskih puknu&#x0107;a, posebice vertikalnih, kao metoda izbora preporu&#x010D;uje se &#x0161;ivanje, a u slu&#x010D;aju degenerativnih puknu&#x0107;a sve vi&#x0161;e se popularizira konzervativno lije&#x010D;enje.</p>
<p>Na prognozu osim vrste puknu&#x0107;a i mehanizma nastanka utje&#x010D;e i mjesto puknu&#x0107;a s obzirom na zone vaskularizacije meniska. Rezultati pretklini&#x010D;kih i klini&#x010D;kih studija potvr&#x0111;uju logi&#x010D;nu pretpostavku da &#x0107;e puknu&#x0107;a meniska uspje&#x0161;nije cijeliti ukoliko su smje&#x0161;tena perifernije, tj. u zoni gdje je menisk bolje vaskulariziran. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>, <xref ref-type="bibr" rid="r54"><italic>54</italic></xref>, <xref ref-type="bibr" rid="r55"><italic>55</italic></xref>) Me&#x0111;utim, treba re&#x0107;i da u literaturi postoje istra&#x017E;ivanja koja ukazuju na dobre rezultate nakon &#x0161;ivanja puknu&#x0107;a meniska koja se&#x017E;u i do avaskularne zone, posebice u mla&#x0111;oj populaciji gdje se cijeljenje meniska posti&#x017E;e u &#x010D;ak 75% slu&#x010D;ajeva. (<xref ref-type="bibr" rid="r56"><italic>56</italic></xref>, <xref ref-type="bibr" rid="r57"><italic>57</italic></xref>)</p>
<p>Ovdje je potrebno razmotriti i prisutnost istodobnog puknu&#x0107;a LCA. U istra&#x017E;ivanju Noyesa i Barber-Westina cijeljenje meniska postignuto je u 91% ispitanika kod kojih je istodobno u&#x010D;injena rekonstrukcija LCA i &#x0161;ivanje meniska. (<xref ref-type="bibr" rid="r56"><italic>56</italic></xref>) Osim toga, Espejo-Reine, et al. su uspore&#x0111;ivali rezultate &#x0161;ivanja <italic>bucket-handle</italic> puknu&#x0107;a medijalnog meniska s istodobnim puknu&#x0107;em LCA i bez njega te izvijestili kako je kod svih ispitanika kod kojih je uz &#x0161;ivanje meniska istodobno u&#x010D;injena rekonstrukcija LCA postignuto cijeljenje. (<xref ref-type="bibr" rid="r58"><italic>58</italic></xref>) Smatra se kako je pobolj&#x0161;anje cijeljenja meniska posljedica osloba&#x0111;anja faktora rasta i mati&#x010D;nih stanica uslijed bu&#x0161;enja ko&#x0161;tanih kanala u femuru i tibiji prilikom rekonstrukcije LCA, stoga se danas savjetuje u istom aktu u&#x010D;initi rekonstrukciju LCA i &#x0161;ivanje meniska. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>, <xref ref-type="bibr" rid="r22"><italic>22</italic></xref>)</p>
<sec>
<title>Vertikalna uzdu&#x017E;na puknu&#x0107;a meniska</title>
<p>Ovaj tip puknu&#x0107;a predstavlja biomehani&#x010D;ki najpovoljniji obrazac puknu&#x0107;a s obzirom na mogu&#x0107;nosti &#x0161;ivanja, budu&#x0107;i da dolazi do razdora samo radijalnih kolagenih niti, dok cirkumferentne, koje su va&#x017E;nije za prijenos optere&#x0107;enja, ostaju odr&#x017E;ane. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r22"><italic>22</italic></xref>) Va&#x017E;no je naglasiti da se nakon ADM-a ovih puknu&#x0107;a kontaktni pritisak izme&#x0111;u zglobnih ploha, tj. optere&#x0107;enje hrskavice zna&#x010D;ajno pove&#x0107;ava, posebice u slu&#x010D;aju <italic>&#x201E;bucket handle&#x201D;</italic> puknu&#x0107;a, jer se odstrani velik dio meniska. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>, <xref ref-type="bibr" rid="r49"><italic>49</italic></xref>, <xref ref-type="bibr" rid="r54"><italic>54</italic></xref>) Lije&#x010D;enje ovih puknu&#x0107;a &#x0161;ivanjem daje dobre rezultate, uz stopu reoperacija do 11% . Osim toga, argument vi&#x0161;e za odluku o &#x0161;ivanju jest da, u slu&#x010D;aju neuspjelog &#x0161;ivanja meniska, povr&#x0161;ina meniska koja se mora odstraniti jest pribli&#x017E;no ista kao ona koju bi odstranili da se inicijalno pristupilo ADM-u. (<xref ref-type="bibr" rid="r59"><italic>59</italic></xref>, <xref ref-type="bibr" rid="r60"><italic>60</italic></xref>) Naravno, rezultati su bolji ako je puknu&#x0107;e u crvenoj ili crveno-bijeloj zoni meniska. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r21"><italic>21</italic></xref>)</p>
</sec>
<sec>
<title>Radijalna puknu&#x0107;a meniska</title>
<p>Prekid cirkumferentnih kolagenih vlakana koji nalazimo pri radijalnim puknu&#x0107;ima meniska &#x010D;ini ovaj tip puknu&#x0107;a izrazito biomehani&#x010D;ki nepovoljnim u smislu pove&#x0107;anja optere&#x0107;enja na zglobnu hrskavicu, kao i u smislu mogu&#x0107;nosti &#x0161;ivanja meniska. Shodno tomu, takva su se puknu&#x0107;a tradicionalno naj&#x010D;e&#x0161;&#x0107;e zbrinjavala ADM-om. ADM i danas ima mjesto u lije&#x010D;enju takvih puknu&#x0107;a, no prije svega za manja radijalna puknu&#x0107;a u avaskularnom dijelu meniska. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Puknu&#x0107;a koje se&#x017E;u do bijelo-crvene, a pogotovo do crvene zone meniska savjetuje se &#x0161;ivati iz vi&#x0161;e razloga. Radijalna puknu&#x0107;a koje se&#x017E;u do periferije zbog prekida cirkumferentnih niti funkcionalno predstavljaju zapravo potpunu meniscektomiju koja izrazito pove&#x0107;ava optere&#x0107;enje na zglobnu hrskavicu, zbog &#x010D;ega degenerativni procesi br&#x017E;e napreduju, a kako se radi o vaskulariziranom dijelu meniska, te lezije imaju i dobar potencijal cijeljenja. (<xref ref-type="bibr" rid="r61"><italic>61</italic></xref>)</p>
</sec>
<sec>
<title>Horizontalna puknu&#x0107;a meniska</title>
<p>Ovakav tip puknu&#x0107;a karakteristi&#x010D;an je za degenerativna puknu&#x0107;a meniska. Degenerativna puknu&#x0107;a meniska uglavnom se ne povezuju s traumatskim doga&#x0111;ajem, a naj&#x010D;e&#x0161;&#x0107;e zahva&#x0107;aju stra&#x017E;nji rog medijalnog meniska. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Podatci iz literature ukazuju na porast prevalencije ovih puknu&#x0107;a sa starenjem. (<xref ref-type="bibr" rid="r62"><italic>62</italic></xref>) Prema istra&#x017E;ivanju Englunda, et al., koji su analizirali MR koljena nasumi&#x010D;no odabranih ispitanika, 19% &#x017E;ena i 32% mu&#x0161;karaca u dobi izme&#x0111;u 50 i 59 godina ima degenerativno puknu&#x0107;e meniska, dok je u dobi izme&#x0111;u 70 i 90 godina prevalencija degenerativnog puknu&#x0107;a meniska znatno vi&#x0161;a i iznosi 51% kod &#x017E;ena odnosno 56% kod mu&#x0161;karaca. (<xref ref-type="bibr" rid="r62"><italic>62</italic></xref>) Ovdje treba re&#x0107;i kako su kod bolesnika s degenerativnim puknu&#x0107;em meniska vrsta i intenzitet tegoba raznoliki. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>, <xref ref-type="bibr" rid="r62"><italic>62</italic></xref>, <xref ref-type="bibr" rid="r63"><italic>63</italic></xref>) Iz tog je razloga Europsko dru&#x0161;tvo za sportsku traumatologiju, kirurgiju koljena i artroskopiju (<italic>European Society of Sports Traumatology, Knee Surgery and Arthroscopy</italic> &#x2013; ESSKA) 2016. predlo&#x017E;ilo postupnik za dijagnostiku i lije&#x010D;enje degenerativnih puknu&#x0107;a meniska. (<xref ref-type="bibr" rid="r63"><italic>63</italic></xref>) Prema tim smjernicama, kod bolesnika sa simptomatskim koljenom, ali bez blokade pokreta, po&#x010D;etno lije&#x010D;enje je konzervativno u smislu fizikalne terapije u trajanju od najmanje tri mjeseca. Ako su nakon provedene fizikalne terapije tegobe i dalje prisutne, kod bolesnika bez radiolo&#x0161;ki uznapredovalog OA koljena indicirano je ADM, dok se kod bolesnika s uznapredovalim OA preporu&#x010D;uje nastavak konzervativnog lije&#x010D;enja. (<xref ref-type="bibr" rid="r63"><italic>63</italic></xref>)</p>
</sec>
<sec>
<title>Puknu&#x0107;e korijena meniska (engl. <italic>root tears</italic>)</title>
<p>Kako se radi o biomehani&#x010D;ki izrazito nepovoljnom puknu&#x0107;u meniska, stav je da takva puknu&#x0107;a kod pacijenata bez OA promjena treba &#x0161;ivati. Za &#x0161;ivanje puknu&#x0107;a korijena meniska koristi se tehnika <italic>all-inside</italic> uz pomo&#x0107; ko&#x0161;tanih sidara ili se koriste transosealni &#x0161;avovi tehnikom bu&#x0161;enja transtibijalnih tunela (engl. <italic>transtibial pull-out technique</italic>). (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) LaPrade, et al. izvje&#x0161;tavaju o dobrim rezultatima &#x0161;ivanja puknu&#x0107;a korijena meniska tehnikom bu&#x0161;enja tibijalnih tunela. Na uzorku od 45 ispitanika nakon &#x0161;ivanja puknu&#x0107;a korijena meniska, autori navode kako je revizijski zahvat u&#x010D;injen kod samo 3 ispitanika (6,7% slu&#x010D;ajeva), dok su ostali imali zadovoljavaju&#x0107;i klini&#x010D;ki rezultat. (<xref ref-type="bibr" rid="r64"><italic>64</italic></xref>)</p>
</sec>
<sec>
<title>Ramp lezije</title>
<p>Kako bi se uo&#x010D;ila ramp lezija potrebno je tijekom artroskopije u&#x010D;initi i eksploraciju posteromedijalnog dijela koljena. Kroz standardni anterolateralni portal artroskopom se pro&#x0111;e ispod stra&#x017E;njega kri&#x017E;nog ligamenta te u&#x0111;e u posteromedijalni dio koljena. Nakon vizualizacije i orijentacije potrebno je na&#x010D;initi posteromedijalni ulaz. Kroz taj se ulaz u posteromedijalni dio koljena uvodi instrument pomo&#x0107;u kojega se palpira rubni dio meniska uz ovojnicu, tj. provjeri meniskokapsularni spoj i eventualno postojanje ramp lezije. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>) Na taj na&#x010D;in pove&#x0107;ava se to&#x010D;nost otkrivanja ramp lezija, jer se samo vizualizacijom tog dijela koljena mo&#x017E;e previdjeti &#x010D;ak 40% ramp lezija. (<xref ref-type="bibr" rid="r65"><italic>65</italic></xref>)</p>
<p>Kako se problematika ramp lezija tek unazad desetak godina po&#x010D;ela sustavnije razmatrati, u literaturi nema jasnog konsenzusa oko na&#x010D;ina lije&#x010D;enja, no najnoviji podatci sugeriraju &#x0161;ivanje kao metodu zbrinjavanja ramp lezija. (<xref ref-type="bibr" rid="r65"><italic>65</italic></xref>) Prema podatcima iz preglednog rada Alessio-Mazzole, et al., ramp lezije se naj&#x010D;e&#x0161;&#x0107;e zbrinjavaju &#x0161;ivanjem. (<xref ref-type="bibr" rid="r66"><italic>66</italic></xref>) Podatci iz istog istra&#x017E;ivanja govore i o dobrim rezultatima nakon &#x0161;ivanja. Naime, ukupna stopa lo&#x0161;ih ishoda koji su odre&#x0111;eni kao necijeljenje ramp lezije nakon &#x0161;ivanja iznosila je samo 7,3%. (<xref ref-type="bibr" rid="r63"><italic>63</italic></xref>)</p>
</sec>
<sec>
<title>Transplantacija meniska</title>
<p>Odre&#x0111;ena puknu&#x0107;a meniska ne mogu se zbrinuti tehnikama artroskopskog &#x0161;ivanja pa je kod takvih ozljeda jedini izbor lije&#x010D;enja ADM ili subtotalna meniscektomija. (<xref ref-type="bibr" rid="r67"><italic>67</italic></xref>) Premda su dugoro&#x010D;ne posljedice ADM-a ili subtotalne meniscektomije nepovoljne, s&#x00E2;m zahvat kod velikog broja bolesnika dovodi do brzog oporavka, tj. do brzog otklanjanja simptoma u smislu bolova i smanjene pokretljivosti. (<xref ref-type="bibr" rid="r45"><italic>45</italic></xref>) Ipak, kod odre&#x0111;enog broja bolesnika, bez obzira na tehni&#x010D;ki uspje&#x0161;no izvedenu meniscektomiju i provedenu fizikalnu terapiju, spomenute tegobe perzistiraju. Takvo stanje poznato je pod nazivom postmeniscektalni sindrom, a naj&#x010D;e&#x0161;&#x0107;e se razvija nakon puknu&#x0107;a koja zahtijevaju odstranjenje velikog dijela ili gotovo cijelog meniska (subtotalna meniscektomija) i u takvim slu&#x010D;ajevima indicirana je transplantacija meniska. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>, <xref ref-type="bibr" rid="r67"><italic>67</italic></xref>) Prvu transplantaciju meniska u&#x010D;inili su Milachowski i Wirth 1984., a isti autori objavljuju i prve rezultate transplantacije meniska 1989. godine. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r68"><italic>68</italic></xref>) Tijekom sljede&#x0107;a dva desetlje&#x0107;a transplantacija meniska se sve vi&#x0161;e izvodi, a objavljuju se i klini&#x010D;ke studije s duljim pra&#x0107;enjem. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Komplikacije zahvata transplantacije meniska iznose do 20%, a jedna od naj&#x010D;e&#x0161;&#x0107;ih je puknu&#x0107;e koje nastaje iz istih razloga kao i puknu&#x0107;e nativnog meniska. (<xref ref-type="bibr" rid="r67"><italic>67</italic></xref>) Ukupno gledaju&#x0107;i, postotak pre&#x017E;ivljenja presatka nakon 5 godina kre&#x0107;e se oko 80%, a nakon 10 godina ne&#x0161;to manje od 50%. (<xref ref-type="bibr" rid="r69"><italic>69</italic></xref>) Treba spomenuti da desetogodi&#x0161;nje pra&#x0107;enje pacijenata nakon transplantacije meniska pokazuje povoljan u&#x010D;inak transplantacije meniska na usporavanje ili odga&#x0111;anje razvoja OA koljena, zbog &#x010D;ega se indikacija za transplantaciju meniska pro&#x0161;iruje i na asimptomatske bolesnike, poglavito one mla&#x0111;e &#x017E;ivotne dobi. (<xref ref-type="bibr" rid="r67"><italic>67</italic></xref>)</p>
<p>U Klinici za ortopediju na &#x0160;alati zapo&#x010D;et je program transplantacije meniska u Republici Hrvatskoj te je prva transplantacija meniska u&#x010D;injena 2011. godine. Zahvat se rutinski izvodi te su dosada&#x0161;nji rezultati usporedivi s rezultatima objavljenim u literaturi. (<xref ref-type="bibr" rid="r70"><italic>70</italic></xref>)</p>
<p>Osim transplantacije meniska biolo&#x0161;kim presatkom uzetim od donora, razvijeni su i presadci od sinteti&#x010D;kih materijala. Kori&#x0161;tenje sintetskih presadaka indicirano je isklju&#x010D;ivo nakon ADM-a. Sintetski presadci zamjenjuju samo dio meniska, tj. oni se pri&#x0161;iju na ostatak nativnog meniska, zbog &#x010D;ega je nu&#x017E;no da su o&#x010D;uvani korijeni meniska. (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>) Sintetski presadci djeluju kao nosa&#x010D;i u koje urastaju stanice doma&#x0107;ina. Stanice doma&#x0107;ina potom stvaraju novo tkivo, tzv. fibrokartilaginozni matriks, koje je histolo&#x0161;ki sli&#x010D;no tkivu meniska. (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>) Sintetski presadci na ovaj na&#x010D;in zapravo poti&#x010D;u regeneraciju tkiva meniska jer novonastalo tkivo u potpunosti preuzima funkciju meniska. Najpoznatija su dva takva sintetska presatka: kolagenski i poliuretanski. (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>) Kod obaju nosa&#x010D;a zabilje&#x017E;eni su uspje&#x0161;ni rezultati u smislu smanjenja simptoma i pobolj&#x0161;anja funkcije koljena, no i dalje se izvje&#x0161;tava o vi&#x0161;e od 30% neuspje&#x0161;nih rezultata, stoga su potrebne daljnje klini&#x010D;ke studije kako bi se donijeli definitivni zaklju&#x010D;ci o ovoj metodi. (<xref ref-type="bibr" rid="r71"><italic>71</italic></xref>)</p>
</sec>
</sec>
<sec sec-type="other6">
<title>Rehabilitacija nakon operacijskog lije&#x010D;enja ozljeda meniska</title>
<p>Va&#x017E;an dio procesa lije&#x010D;enja ozljeda meniska obuhva&#x0107;a postoperacijska rehabilitacija, a rehabilitacijski protokoli razlikuju se ovisno o vrsti operacijskog lije&#x010D;enja (ADM ili &#x0161;ivanje meniska).</p>
<p>ADM je minimalno invazivan zahvat, stoga rehabilitacija zapo&#x010D;inje nekoliko sati nakon operacije te se provodi gotovo bez ograni&#x010D;enja s obzirom na dopu&#x0161;teno optere&#x0107;enje operirane noge i dozvoljeni opseg pokreta, a sve s ciljem &#x0161;to br&#x017E;eg povratka svakodnevnim aktivnostima.</p>
<p>Kako je uz o&#x010D;uvanje punog opsega pokreta koljena i mi&#x0161;i&#x0107;ne snage cilj rehabilitacije nakon artroskopskog &#x0161;ivanja meniska omogu&#x0107;iti i cijeljenje meniska, rehabilitacijski postupak uklju&#x010D;uje postupno pove&#x0107;anje dozvoljenog opsega pokreta i optere&#x0107;enja operiranog koljena, &#x0161;to rezultira duljim razdobljem oporavka nego nakon ADM-a. Ovdje je va&#x017E;no istaknuti da se iz toga razloga profesionalni sporta&#x0161;i, u slu&#x010D;aju puknu&#x0107;a meniska, &#x010D;e&#x0161;&#x0107;e odlu&#x010D;uju na djelomi&#x010D;nu meniscektomiju. (<xref ref-type="bibr" rid="r72"><italic>72</italic></xref>)</p>
</sec>
<sec sec-type="other7">
<title>Zaklju&#x010D;ak</title>
<p>Spoznaje o ulozi meniska u o&#x010D;uvanju hrskavice i stabilnosti koljena dovele su do velikog zaokreta u pristupu lije&#x010D;enju puknu&#x0107;a meniska. Suvremena stajali&#x0161;ta utemeljena na dokazima o funkciji meniska kao za&#x0161;titnika koljena promi&#x010D;u ne samo &#x0161;to po&#x0161;tedniju meniscektomiju, nego o&#x010D;uvanje svakog, pa i najmanjeg dijela meniska. Osim zbog va&#x017E;nosti meniska u biomehanici koljenskog zgloba, pomak prema lije&#x010D;enju puknu&#x0107;a meniska &#x0161;ivanjem rezultat je i razvoja novih operativnih tehnika i implantata. ADM, premda efikasno i brzo rje&#x0161;ava simptome ozljede meniska, dokazano ubrzava razvoj OA koljena. Stoga, traumatska puknu&#x0107;a meniska predstavljaju indikaciju za &#x0161;ivanje, posebno u dje&#x010D;joj i adolescentnoj dobi, dok je prva linija lije&#x010D;enja degenerativnih ruptura meniska konzervativno lije&#x010D;enje. Postotak reoperacija nakon &#x0161;ivanja meniska jo&#x0161; uvijek je ne&#x0161;to ve&#x0107;i nego nakon ADM-a, no predvi&#x0111;anja su kako &#x0107;e razvoj novih tehnika stimulacije cijeljenja meniska te svladavanje krivulje u&#x010D;enja operatera smanjiti i postotak neuspje&#x0161;nih zahvata &#x0161;ivanja meniska. Kod meniscektomiranih bolesnika, poglavito mladih i simptomatskih, transplantacija meniska, humanog ili sinteti&#x010D;kog, pokazuje obe&#x0107;avaju&#x0107;e rezultate u smislu o&#x010D;uvanja zglobne hrskavice i usporavanja OA, no potrebne su dodatne klini&#x010D;ke studije kojima &#x0107;e se potvrditi dugoro&#x010D;na uspje&#x0161;nost ovih metoda.</p>
</sec>
</body>
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