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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-141-91</article-id>
<article-id pub-id-type="doi">10.26800/LV-141-3-4-13</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Review</subject></subj-group>
</article-categories>
<title-group>
<article-title>&#x0160;kljocavi palac u djece</article-title>
<trans-title-group xml:lang="en">
<trans-title>Trigger thumb in children</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author"><name><surname>Pavljak</surname><given-names>Lucija</given-names></name></contrib><contrib contrib-type="author"><name><surname>Buli&#x0107;</surname><given-names>Kre&#x0161;imir</given-names></name></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Antabak</surname><given-names>Anko</given-names></name></contrib>
<aff id="aff1">Klinika za kirurgiju Medicinskog fakulteta Sveu&#x010D;ili&#x0161;ta u Zagrebu, KBC Zagreb</aff>
</contrib-group>
<author-notes><corresp id="cor1">Adresa za dopisivanje:&#x2028;Prof. dr. sc. A. Antabak, <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0002-6139-7799">https://orcid.org/0000-0002-6139-7799</ext-link>, Klinika za kirurgiju Medicinskog fakulteta Sveu&#x010D;ili&#x0161;ta u Zagrebu, KBC Zagreb, Ki&#x0161;pati&#x0107;eva 12, 10000 Zagreb; e-mail: <email xlink:href="aantabak@kbc-zagreb.hr">aantabak@kbc-zagreb.hr</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>03</month><year>2019</year></pub-date>
<volume>141</volume>
<issue>3-4</issue>
<fpage>91</fpage>
<lpage>96</lpage>
<permissions>
<copyright-year>2019</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>Prirodan tijek bolesti kod &#x0161;kljocavog palca u djece jo&#x0161; je predmet neslaganja, a sukladno tomu i preporuke za lije&#x010D;enje znatno se razlikuju te ne postoje jasne i &#x0161;iroko prihva&#x0107;ene smjernice. Ovim radom poku&#x0161;ali smo dati trenuta&#x010D;ni literaturni pregled spoznaja o tijeku bolesti te dijagnosti&#x010D;kim i terapijskim mogu&#x0107;nostima s naglaskom na kona&#x010D;nom ishodu lije&#x010D;enja. &#x0160;kljocavi palac jedna je od naj&#x010D;e&#x0161;&#x0107;ih anomalija dje&#x010D;je &#x0161;ake i uglavnom se vidi u djece pred&#x0161;kolske dobi. Karakteristi&#x010D;no je ote&#x017E;ano klizanje tetive fleksora policisa longusa kroz njezinu ovojnicu, &#x0161;to je posljedica anatomskog nesklada njihovih veli&#x010D;ina. Tipi&#x010D;an klini&#x010D;ki nalaz jest palac fiksiran u fleksijskoj kontrakturi, na razini interfalangealnog zgloba. Prvi opis dao je Notta, &#x010D;ije ime i danas nosi palpabilna masa tetive fleksora policisa longusa u podru&#x010D;ju <italic>A1 pulleya</italic>. Dijagnoza se obi&#x010D;no postavlja temeljem anamneze i fizikalnog pregleda, uz ultrazvuk kao korisno rano dijagnosti&#x010D;ko sredstvo. &#x0160;kljocavi palac dijagnosti&#x010D;ki treba razlu&#x010D;iti od dislokacije, frakture ili anomalije poznate kao deformacija palca u dlanu. Klini&#x010D;ka istra&#x017E;ivanja pobolj&#x0161;ala su razumijevanje i benignost prirodnog tijeka bolesti. Terapijski postupak ovisi o izboru roditelja i lije&#x010D;nika. On mo&#x017E;e biti konzervativan, s pomo&#x0107;u udlage i izvo&#x0111;enjem vje&#x017E;ba pasivne ekstenzije, ili kirur&#x0161;ki, presijecanjem <italic>A1 pulleya</italic>, &#x0161;to pouzdano vra&#x0107;a pokretljivost interfalangealnog zgloba palca. Spontani oporavak mo&#x017E;e trajati godinama, no on pru&#x017E;a obiteljima voljnim &#x010D;ekanja mogu&#x0107;nost izbjegavanja stresa hospitalizacije i operacijskog lije&#x010D;enja.</p>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<p>The natural course of the condition in pediatric trigger thumb is still controversial, and accordingly, the recommendations for treatment vary considerably and there are no clear and broadly accepted guidelines. In this paper, we tried to provide a current literary overview of the disease progression and diagnostic and therapeutic abilities with an emphasis on the ultimate outcome of the treatment. Trigger thumb represents one of the most common pediatric hand conditions, mostly seen in preschool children. As a result of anatomic size mismatch between the flexor pollicis longus tendon and its sheath, disrupted tendon gliding is characteristic. The interphalangeal joint of the affected thumb fixed in a flexion contracture presents typical clinical finding. The first description of trigger thumb is attributed to Notta, and the palpable nodule at the volar aspect of the interphalangeal joint flexion crease still bears his name. Medical history and physical examination are used to diagnose this deformity with ultrasound as a potential early diagnostic tool. It is possible to misdiagnose a fracture, dislocation of the thumb or thumb-in-palm deformity. Clinical investigation has improved our understanding of the natural history and its benignancy. Therapeutic treatment depends on parent and physician preference. It can be either conservative, consisting of splint therapy and passive stretching exercises, or surgical, releasing of the A1 pulley that reliably restores thumb interphalangeal joint motion. Although it may take several years for spontaneous resolution, families willing to wait are given an opportunity to avoid hospitalization stress and surgical intervention.</p>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori &#x0160;KLJOCAVI PRST &#x2013; dijagnoza, etiologija, lije&#x010D;enje</kwd><kwd>PALAC</kwd><kwd>ZGLOBNA POKRETLJIVOST</kwd><kwd>ISHOD LIJE&#x010C;ENJA</kwd><kwd>DJECA</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>TRIGGER FINGER DISORDERS &#x2013; diagnosis, etiology, therapy</kwd><kwd>THUMB</kwd><kwd>FINGER JOINT</kwd><kwd>RANGE OF MOTION, ARTICULAR</kwd><kwd>TREATMENT OUTCOME</kwd><kwd>CHILD</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>&#x0160;kljocavi palac u djece fiksni je fleksijski deformitet interfalangealnog zgloba (IP) palca (<xref ref-type="fig" rid="f1">Figure 1</xref>). Prvi opis ovog stanja pripisuje se francuskom lije&#x010D;niku Alphonse-Henriju Notti, &#x010D;ije ime i danas nosi palpabilna masa tetive fleksora policisa longusa (FPL) u podru&#x010D;ju prvog anularnog fibroznog dr&#x017E;a&#x010D;a (engl. <italic>A1 pulley</italic>). (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>) Pojavnost &#x0161;kljocavog palca kre&#x0107;e se u rasponu od 0,05 do 0,3% djece u dobi od jedne do &#x010D;etiri godine bez statisti&#x010D;ki zna&#x010D;ajne razlike me&#x0111;u spolovima (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>&#x2013;<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>) i jedna je od naj&#x010D;e&#x0161;&#x0107;ih anomalija dje&#x010D;je &#x0161;ake. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Od sve djece sa &#x0161;kljocavim prstima, u njih 90% zahva&#x0107;eni su palci. (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>) Kod unilateralnog javljanja podjednako budu zahva&#x0107;ene lijeva i desna ruka. (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>) U &#x010D;etvrtine djece poreme&#x0107;aj se javlja obostrano, iako obje strane ne moraju po&#x010D;eti &#x0161;kljocati istodobno. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r7"><italic>7</italic></xref>)</p>
<fig id="f1" position="float" fig-type="figure"><label>Figure 1</label><caption><p>Anatomy of trigger thumb</p></caption><graphic xlink:href="LV-141-91-f1"></graphic></fig>
<p>U jednom ameri&#x010D;kom centru Ashford i Bidic istra&#x017E;ivali su razlike pojavnosti ovisno o eti&#x010D;koj pripadnosti. (<xref ref-type="bibr" rid="r8"><italic>8</italic></xref>) Od osamdeset sedmero djece sa &#x0161;kljocavim palcem, 56% bilo je Latinoamerikanaca, 18% bijelaca, 7% Afroamerikanaca i 18% ostalih, koje su &#x010D;inili Azijci, ameri&#x010D;ki domoroci, mije&#x0161;ane rase i nepoznati. Autori navode neo&#x010D;ekivano vi&#x0161;u incidenciju &#x0161;kljocavog palca u Latinoamerikanaca uz istodobno ni&#x017E;u incidenciju u Afroamerikanaca od o&#x010D;ekivane. &#x0160;kljocavi palac zaseban je poreme&#x0107;aj (ne povezuje se ni s jednim sindromom) za razliku od &#x0161;kljocavih prstiju, povezanih s trisomijom 18 i mukopolisaharidozom. (<xref ref-type="bibr" rid="r9"><italic>9</italic></xref>) Ipak, postoje tvrdnje o sujavljanju &#x0161;kljocavog palca s deformacijama udova. (<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) Watanabe i sur. zabilje&#x017E;ili su supostoje&#x0107;e deformacije u 13% bolesnika, koje su uklju&#x010D;ivale torziju tibije, makrodaktiliju, rascjep nepca, kongenitalnu dislokaciju kuka i atrijski septalni defekt. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>)</p>
<sec sec-type="other1">
<title>Etiologija i patofiziologija</title>
<p>Neki autori tvrde da stalan fleksijski polo&#x017E;aj palca tijekom prenatalnog i neonatalnog perioda mo&#x017E;e uzrokovati degeneraciju kolagena i upalnu sinovijalnu proliferaciju s posljedi&#x010D;nim zadebljanjem tetive i njezine ovojnice. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Patel navodi da normalni flektirani i adukcijski polo&#x017E;aj novoro&#x0111;ena&#x010D;kih palaca u kombinaciji sa sna&#x017E;nim refleksom hvatanja mo&#x017E;e dovesti do suptilne traume tetive fleksora na razini <italic>A1 pulleya</italic>. (<xref ref-type="bibr" rid="r13"><italic>13</italic></xref>) Buchman i sur. elektronskom su mikroskopijom analizirali zadebljali dio <italic>A1 pulleya</italic> i dio tetivnog nodula u djece sa &#x0161;kljocavim palcem i utvrdili postojanje fibroblasta i kolagena bez znakova upalnog ili degenerativnog procesa. (<xref ref-type="bibr" rid="r14"><italic>14</italic></xref>) Kikuchi i Ogino dr&#x017E;e da je &#x0161;kljocavi palac povezan s polo&#x017E;ajem duboke stati&#x010D;ke fleksije i adukcije palca u metakarpofalangealnom (MCP) zglobu. (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) Taj polo&#x017E;aj mo&#x017E;e dovesti do kroni&#x010D;ne iritacije i konstrikcije tetive FPL-a blizu <italic>A1 pulleya</italic>. Na temelju imunohistokemijske analize s pomo&#x0107;u elektronske mikroskopije i nalaza citokontraktilnih proteina Khoshhal i sur. smatraju da &#x0161;kljocavi palac uzrokuje stenoza <italic>A1 pulleya</italic>, a ne patologija tetive FPL-a. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>) Me&#x0111;utim, ultrazvu&#x010D;na mjerenja Verme i sur. pokazuju da &#x0161;kljocavi palac nastaje kada popre&#x010D;ni presjek tetive fleksora nadma&#x0161;i mogu&#x0107;nost prilagodbe popre&#x010D;nog presjeka ovojnice na razini <italic>A1 pulleya</italic>. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>) Kim i sur. s pomo&#x0107;u najnovijeg ultrazvu&#x010D;nog mjerenja popre&#x010D;nog presjeka tetive nalaze prosje&#x010D;no 77% ve&#x0107;u povr&#x0161;inu popre&#x010D;nog presjeka tetive proksimalno od <italic>A1 pulleya</italic> u odnosu prema povr&#x0161;ini ispod njega. (<xref ref-type="bibr" rid="r18"><italic>18</italic></xref>) Autori dr&#x017E;e da je glavni uzrok poreme&#x0107;aja pove&#x0107;anje tetive, a ne nerazvijenost <italic>A1 pulleya</italic>.</p>
<p>Unato&#x010D; dosada&#x0161;njim istra&#x017E;ivanjima, koja su uklju&#x010D;ivala morfologiju, svjetlosnu i elektronsku mikroskopiju, ultrazvu&#x010D;na mjerenja i klini&#x010D;ke preglede, patogeneza i etiologija i dalje ostaju nepoznate.</p>
</sec>
<sec sec-type="other2">
<title>Priro&#x0111;ena ili ste&#x010D;ena deformacija?</title>
<p>Za razliku od jasne etiologije ste&#x010D;enoga &#x0161;kljocavog prsta u odraslih, u djece nema jedinstvena mi&#x0161;ljenja. U prilog genskoj predispoziciji govore izvje&#x0161;&#x0107;a o vi&#x0161;oj stopi pojavnosti me&#x0111;u bra&#x0107;om i sestrama, osobito blizancima, kao i pozitivna obiteljska anamneza zabilje&#x017E;ena u nekih pacijenata. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r15"><italic>15</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) Ako ve&#x0107; ima gensku predispoziciju, anomalija se naslje&#x0111;uje autosomno dominantno s varijabilnom penetracijom. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) Izvje&#x0161;&#x0107;a o nazo&#x010D;nosti anomalije u novoro&#x0111;en&#x010D;adi temelje se na podacima prikupljenim anketiranjem roditelja, bez klini&#x010D;ki i ultrazvu&#x010D;no dokumentiranih nalaza. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Potpuno opre&#x010D;ne rezultate iznose autori koji su u rodili&#x0161;tima proveli prospektivnu studiju, analiziraju&#x0107;i pojavnost ove anomalije u prvih nekoliko tjedana &#x017E;ivota. Tako Rodgers i Waters, Moon i sur. te Slakey i Hennrikus neonatalnim pregledima vi&#x0161;e od 13.500 novoro&#x0111;en&#x010D;adi nisu na&#x0161;li nijedan slu&#x010D;aj &#x0161;kljocavog palca ve&#x0107; pri ro&#x0111;enju. (<xref ref-type="bibr" rid="r3"><italic>3</italic></xref>, <xref ref-type="bibr" rid="r19"><italic>19</italic></xref>, <xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Kikuchi i Ogino pregledali su 1116-ero novoro&#x0111;en&#x010D;adi (14 dana nakon ro&#x0111;enja) bez ijednoga zabilje&#x017E;enog slu&#x010D;aja pojavnosti &#x0161;kljocavog palca. (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) Slakey i Hennrikus predla&#x017E;u da se &#x0161;kljocavi palac u djece nazove ste&#x010D;ena fleksijska kontraktura palca, a ne priro&#x0111;eni &#x0161;kljocavi palac. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Tvrdnju o ste&#x010D;enom javljanju prvi je put iznio Sprecher jo&#x0161; 1949. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) Khoshhal i sur. vjeruju, pak, da se radi o razvojnom procesu s intrauterinim ili ekstrauterinim po&#x010D;etkom. (<xref ref-type="bibr" rid="r16"><italic>16</italic></xref>) Priro&#x0111;eni slu&#x010D;ajevi imaju ve&#x0107; intrauterini po&#x010D;etak i javljaju se kao fleksijska kontraktura IP zgloba. S druge strane, slu&#x010D;ajevi s odgo&#x0111;enom pojavom i ekstrauterinim po&#x010D;etkom prezentiraju se &#x0161;kljocanjem. Kod njih se nailazi na miofibroblasti&#x010D;ne promjene koje sazrijevanjem veziva prelaze u fleksijsku kontrakturu uz prisutnost zrelih fibroblasta.</p>
</sec>
<sec sec-type="other3">
<title>Klini&#x010D;ka slika i dijagnostika</title>
<p>U ve&#x0107;ine djece klini&#x010D;ka se slika razvija tijekom druge godine. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>, <xref ref-type="bibr" rid="r21"><italic>21</italic></xref>&#x2013;<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Roditelji &#x010D;esto spominju prethodno &#x0161;kljocanje iz kojeg se postupno razvija fiksna fleksijska kontraktura, koja je ujedno i naj&#x010D;e&#x0161;&#x0107;a klini&#x010D;ka prezentacija ovog stanja &#x2013; takozvani palac &#x201E;zaklju&#x010D;an&#x201C; u fleksiji (<xref ref-type="fig" rid="f2">Figure 2</xref>). (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r26"><italic>26</italic></xref>, <xref ref-type="bibr" rid="r27"><italic>27</italic></xref>) Zbog ove klini&#x010D;ke slike dio autora preferira naziv fleksijska kontraktura palca pred &#x0161;kljocavim palcem. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Ovo stanje uglavnom je bezbolno, ali uz nelagodu koja se javlja pri forsiranoj ekstenziji. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Tijekom fizikalnog pregleda ote&#x017E;ana je ekstenzija IP zgloba uz javljanje &#x0161;kljocanja, pucketanja odnosno preskakivanja. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>, <xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Zbog mogu&#x0107;eg obostranog javljanja vrlo je va&#x017E;no pregledati obje &#x0161;ake. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>, <xref ref-type="bibr" rid="r7"><italic>7</italic></xref>, <xref ref-type="bibr" rid="r27"><italic>27</italic></xref>) Pri obradi pozornost treba obratiti i na nevoljno flektiranje prsta, koje mo&#x017E;e upozoriti na postojanje ekstenzijske verzije &#x2013; takozvani palac &#x201E;zaklju&#x010D;an&#x201C; u ekstenziji (1% slu&#x010D;ajeva). (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Na volarnoj strani MCP zgloba nalazi se palpabilna masa u podru&#x010D;ju fleksorne brazde, Nottin &#x010D;vor (<xref ref-type="fig" rid="f1">Figure 1</xref>), koji je zadebljanje tetive FPL-a proksimalno od <italic>A1 pulleya</italic> odnosno distalno pri poreme&#x0107;enoj fleksiji. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r18"><italic>18</italic></xref>, <xref ref-type="bibr" rid="r28"><italic>28</italic></xref>, <xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Pri pomicanju palca dolazi do kretanja &#x010D;vora proksimalno &#x2013; distalno uz pokrete fleksorne tetive. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>) &#x010C;vor se &#x010D;esto palpira i na suprotnom asimptomatskom palcu. (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>) Radi boljeg opisa klini&#x010D;ke slike upotrebljava se nekoliko ljestvica za stupnjevanje, me&#x0111;u kojima se naj&#x010D;e&#x0161;&#x0107;e rabi Sugimotova klasifikacija. (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>) Ona ima &#x010D;etiri stupnja, no razvijena je i njezina pro&#x0161;irena verzija. Johnstone i sur. nadogradili su klasifikaciju i dodali, uz &#x010D;etiri fleksijska stupnja, i podgrupu s &#x010D;etiri ekstenzijska stupnja (<xref ref-type="table" rid="t1">Table 1</xref>). (<xref ref-type="bibr" rid="r29"><italic>29</italic></xref>)</p>
<fig id="f2" position="float" fig-type="figure"><label>Figure 2</label><caption><p>Incision of A1 pulley of trigger thumb</p></caption><graphic xlink:href="LV-141-91-f2"></graphic></fig>
<table-wrap id="t1" position="float">
<label>Table 1</label><caption><title>Proposed revision of Sugimoto&#x2019;s classification of trigger digits</title>
</caption>
<table frame="hsides" rules="groups">
<col width="8.29%"/>
<col width="45.85%"/>
<col width="45.86%"/>
<thead>
<tr>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Stadij/Stage</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Podgrupa F (fleksija)/Subclass F (flexion)</th>
<th valign="middle" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Podgrupa E (ekstenzija)/Subclass E (extension)</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;I.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Palpabilan Nottin &#x010D;vor proksimalno od <italic>A1 pulleya</italic>, bez &#x0161;kljocanja tijekom fleksije ili ekstenzije interfalangealnog zgloba/Palpable Notta&#x2019;s nodule proximal to the A1 pulley, no snapping during interphalangeal joint (IPJ) flexion or extension</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Palpabilan Nottin &#x010D;vor distalno od <italic>A1 pulleya</italic>, bez &#x0161;kljocanja tijekom fleksije ili ekstenzije interfalangealnog zgloba/Palpable Notta&#x2019;s nodule distal to the A1 pulley, no snapping during interphalangeal joint (IPJ) flexion or extension</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;II.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x0160;kljocanje je prisutno pri aktivnoj ekstenziji IP zgloba/Triggering occurs when the IPJ is actively extended</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;&#x0160;kljocanje je prisutno pri aktivnoj fleksiji IP zgloba/Triggering occurs when the IPJ is actively flexed</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;III.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Onemogu&#x0107;ena je aktivna ekstenzija IP zgloba, a &#x0161;kljocanje je prisutno pri pasivnoj ekstenziji/The IPJ cannot be extended actively and triggering is observed when the IPJ is extended passively</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Onemogu&#x0107;ena je aktivna fleksija IP zgloba, a &#x0161;kljocanje je prisutno pri pasivnoj fleksiji/The IPJ cannot be flexed actively and triggering is observed when the IPJ is flexed passively</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;IV.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Onemogu&#x0107;ena je pasivna ekstenzija IP zgloba uz postojanje fiksne fleksijske deformacije/The IPJ cannot be passively extended and there is a fixed flexion deformity</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;IP zglob je potpuno ekstendiran i ne mo&#x017E;e se pasivno flektirati/The IPJ is fully extended and cannot be passively flexed</td>
</tr>
</tbody></table></table-wrap>
<p>Osim Sugimotove klasifikacije, &#x010D;esto se rabi i podjela prema Watanabeu (<xref ref-type="table" rid="t2">Table 2</xref>). (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Ona ima &#x010D;etiri stadija, koji su u ovoj klasifikaciji poredani od 0 za najlak&#x0161;i stadij do 3 za najte&#x017E;i, uz opis mogu&#x0107;e poreme&#x0107;ene ne samo ekstenzije nego i fleksije.</p>
<table-wrap id="t2" position="float">
<label>Table 2</label><caption><title>Staging of infantile trigger thumb</title>
</caption>
<table frame="hsides" rules="groups">
<col width="17.08%"/>
<col width="82.92%"/>
<thead>
<tr>
<th valign="top" align="left" scope="col" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Stadij/Stage</th>
<th valign="top" align="left" scope="col" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Podgrupa F (fleksija)/Subclass F (flexion)</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;0.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Palpabilna masa na fleksornoj tetivi/A mass is palpable on the flexor tendon</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;I.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Palac je &#x201E;zaklju&#x010D;an&#x201C; u flektiranom ili ekstendiranom polo&#x017E;aju te se mo&#x017E;e aktivno ekstendirati ili flektirati uz &#x0161;kljocanje/The thumb locks in a flexed or extended position, and can be actively extended or flexed with triggering</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;II.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">&#x00A0;&#x00A0;Palac je &#x201E;zaklju&#x010D;an&#x201C; u flektiranom ili ekstendiranom polo&#x017E;aju te se mo&#x017E;e pasivno ekstendirati ili flektirati uz &#x0161;kljocanje/The thumb locks in a flexed or extended position, and can be passively extended or flexed with triggering</td>
</tr>
<tr>
<td valign="top" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;III.</td>
<td valign="top" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">&#x00A0;&#x00A0;Palac je &#x201E;zaklju&#x010D;an&#x201C; u fleksiji ili ekstenziji i ne mo&#x017E;e se ekstendirati ili flektirati ni aktivno ni pasivno/The thumb locks in a flexed or extended position, and cannot be extended or flexed actively or passively</td>
</tr>
</tbody></table></table-wrap>
<p>Uz klini&#x010D;ki pregled, kao neinvazivna metoda, korisnim se pokazao ultrazvuk. U djece s unilateralnom pojavom vrijednosti relativne veli&#x010D;ine zahva&#x0107;enog i zdravog palca manje su od 1,5. Taj omjer &#x0161;kljocanja (engl. <italic>trigger ratio</italic>) upozorava na mogu&#x0107;nost razvoja bilateralno.</p>
</sec>
<sec sec-type="other4">
<title>Diferencijalna dijagnoza</title>
<p>U male djece &#x010D;esto nema sigurnih podataka o traumi pa se svaki gubitak funkcije prstiju uz deformaciju proglasi ozljedom. Tako se i &#x0161;kljocavi palac gotovo redovito prvotno smatra prijelomom, a Nottin &#x010D;vor kalusom. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>) Kada se rendgenogramom isklju&#x010D;i ko&#x0161;tana ozljeda, ultrazvukom se isklju&#x010D;i ozljeda tetive. Nalaz zadebljale, potpuno homogene vlaknaste tetive postavlja dijagnozu &#x0161;kljocavog palca. (<xref ref-type="bibr" rid="r17"><italic>17</italic></xref>) Prema H&#x00FC;lsemannu i sur., &#x010D;etiri su bitna klini&#x010D;ka entiteta sli&#x010D;na &#x0161;kljocavom palcu. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>)</p>
<sec>
<title>1)&#x2002;Deformacija palca u dlanu/kongenitalna fleksijska deformacija palca</title>
<p>Deformacija palca u dlanu (engl. <italic>thumb-in-palm deformity</italic>/<italic>clasped thumb</italic>) razumijeva priro&#x0111;ene anomalije palca koje karakterizira fleksijska kontraktura MCP zgloba palca uz gotovo uredan polo&#x017E;aj i funkciju IP zgloba. Palac djeluje kao da je utisnut u dlan, izostaju aktivna i pasivna puna ekstenzija.</p>
</sec>
<sec>
<title>2)&#x2002;Hiperfleksibilan palac</title>
<p>U engleskoj literaturi poznat i kao &#x201E;retrofleksibilan palac&#x201C; &#x010D;ije je obilje&#x017E;je priro&#x0111;ena palmarna nestabilnost MCP zgloba s aktivnom i pasivnom dorzalnom subluksacijom. Sezamoidne kosti istaknute su i opipljive, zbog &#x010D;ega se lako mogu zamijeniti s Nottinim &#x010D;vorom.</p>
</sec>
<sec>
<title>3)&#x2002;Kongenitalna uko&#x010D;enost interfalangealnog zgloba palca</title>
<p>Patognomoni&#x010D;na je odsutnost ko&#x017E;nih brazda IP zgloba, fleksorne i ekstenzorne strane. IP zglob u neutralnom je polo&#x017E;aju s ulnarnom devijacijom od 10 do 20 stupnjeva.</p>
</sec>
<sec>
<title>4)&#x2002;Hipoplazija palca</title>
<p>Izraz je radijalnoga longitudinalnog redukcijskog defekta, koji se &#x010D;esto javlja obostrano, a mo&#x017E;e postojati kao zasebna promjena ili u sklopu sindrom&#x00E2; poput Fanconijeva sindroma, sindroma VACTERL, Holt-Oramova sindroma i Goldenharova (okulo-aurikulo-vertebralnog) sindroma. Prema Blauthovoj klasifikaciji, postoji pet tipova hipoplazije palca. U diferencijalnoj dijagnozi &#x0161;kljocavog palca najva&#x017E;niji je tip II: manji i tanji palac, smanjen interdigitalni prostor uz hipoplaziju mi&#x0161;i&#x0107;a tenara. (<xref ref-type="bibr" rid="r31"><italic>31</italic></xref>, <xref ref-type="bibr" rid="r32"><italic>32</italic></xref>)</p>
</sec>
</sec>
<sec sec-type="other5">
<title>Prirodni tijek</title>
<p>Zasad ne postoji jedinstveno mi&#x0161;ljenje o prirodnom tijeku &#x0161;kljocavog palca u djece. Nema suglasnosti o u&#x010D;estalosti i vremenu nastupa spontanog oporavka, zbog kojeg kirur&#x0161;ke intervencije nisu ni potrebne. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>, <xref ref-type="bibr" rid="r33"><italic>33</italic></xref>) Dinham i Meggit predlo&#x017E;ili su terapijske smjernice u kojima navode da se &#x0161;kljocavi palac prisutan od ro&#x0111;enja treba pa&#x017E;ljivo promatrati tijekom 12 mjeseci (u 30% bolesnika dolazi do spontanog oporavka). (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>) Ako je &#x0161;kljocavi palac prvi put primije&#x0107;en izme&#x0111;u 6. i 30. mjeseca &#x017E;ivota, valja ga promatrati tijekom 6 mjeseci (spontani oporavak u 12% bolesnika). Operacijsko lije&#x010D;enje potrebno je izvesti prije &#x010D;etvrte godine &#x017E;ivota. Tako se izbjegnu sekundarne komplikacije (radijalna devijacija IP zgloba i fleksijski defekt glavice proksimalne falange). (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Kasnije studije (Koh i sur., Tan i sur., Dunsmuir i Sherlock) pokazale su da dob u kojoj se izvodi kirur&#x0161;ki zahvat ne utje&#x010D;e na ishod bolesti. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r24"><italic>24</italic></xref>, <xref ref-type="bibr" rid="r34"><italic>34</italic></xref>)</p>
<p>Moon i sur. izvijestili su o spontanom oporavku u 12 od 35 palaca tijekom prve dvije godine &#x017E;ivota, a oporavak je to bolji &#x0161;to je ranija dob javljanja. (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) Sugimoto i sur. opazili su spontani oporavak funkcije u oko tre&#x0107;ine pacijenata tijekom opservacije u rasponu od sedam mjeseci do 12 godina (<xref ref-type="bibr" rid="r30"><italic>30</italic></xref>). Mulpruek i Prichasuk zabilje&#x017E;ili su stopu spontanog oporavka od 24%. (<xref ref-type="bibr" rid="r35"><italic>35</italic></xref>) Dunsmuir i Sherlock zapazili su opadanje stope oporavka s porastom dobi (49%). (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) Baek i sur. zabilje&#x017E;ili su spontani oporavak u 63% pacijenata bez statisti&#x010D;ki zna&#x010D;ajne razlike oporavka izme&#x0111;u bilateralne i unilateralne zahva&#x0107;enosti. (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>) Najve&#x0107;i postotak spontanog oporavka (&#x010D;ak 76%) zabilje&#x017E;ili su Baek i Lee (<xref ref-type="bibr" rid="r36"><italic>36</italic></xref>) koji tvrde da spol ne utje&#x010D;e na oporavak. Koh i sur. proveli su istra&#x017E;ivanje o prirodnom tijeku &#x0161;kljocavog palca u fiksnoj fleksijskoj kontrakturi (Watanabeov stadij tri), u&#x010D;inkovitosti terapije udlagom te o ishodu kasnijeg pristupanja kirur&#x0161;kom zahvatu. (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Unato&#x010D; ozbiljnosti stanja rezultati lije&#x010D;enja pokazali su benignu prirodu bolesti. Do potpunog oporavka do&#x0161;lo je u 60% djece koja su samo pra&#x0107;ena, a pri terapiji udlagom postignut je rezultat od 92% uspje&#x0161;nih oporavaka. &#x010C;etvero djece lije&#x010D;eno je kirur&#x0161;ki u lokalnoj anesteziji zbog zaostalog preskakanja u dobi od osam i vi&#x0161;e godina, &#x0161;to se pokazalo jednako sigurno i u&#x010D;inkovito poput rane kirurgije.</p>
</sec>
<sec sec-type="other6">
<title>Lije&#x010D;enje</title>
<p>Izbor terapijske opcije ovisi o sklonosti roditelja i izboru lije&#x010D;nika. Dok jedni preferiraju inicijalno konzervativno lije&#x010D;enje zbog mogu&#x0107;ega spontanog povla&#x010D;enja simptoma i punog oporavka, drugi se odlu&#x010D;uju na rani kirur&#x0161;ki zahvat presijecanjem <italic>A1 pulleya</italic>, &#x010D;ime se pouzdano vra&#x0107;a pokretljivost IP zgloba palca. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>)</p>
<sec>
<title>Konzervativno lije&#x010D;enje</title>
<p>Konzervativno lije&#x010D;enje &#x0161;kljocavog palca uklju&#x010D;uje no&#x0161;enje udlage odnosno vje&#x017E;be pasivne ekstenzije. Obje su metode uspje&#x0161;ne u pobolj&#x0161;anju simptoma i pove&#x0107;anju opsega pokreta IP zgloba. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>, <xref ref-type="bibr" rid="r33"><italic>33</italic></xref>) Nemoto i sur. u 30-ero djece lije&#x010D;ene udlagom samo tijekom no&#x0107;i bilje&#x017E;e potpun oporavak u njih 18 (60%). (<xref ref-type="bibr" rid="r37"><italic>37</italic></xref>) Kirur&#x0161;ki je zahvat bio potreban kod samo troje djece. Ogino je upozorio na oporavak funkcije u 22-je od 26-ero djece nakon primjene udlage tijekom &#x0161;est mjeseci. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Koh i sur. i Lee i sur. usporedili su rezultate no&#x0161;enja udlage (24 djeteta) i samo opservacije (26-ero djece). (<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r23"><italic>23</italic></xref>) U skupini djece lije&#x010D;ene udlagom njih 12-ero imalo je potpunu regresiju simptoma (50%), a u opservacijskoj grupi u njih &#x0161;estero (23%) zabilje&#x017E;eno je pobolj&#x0161;anje bez punog oporavka. Tan i sur. usporedili su lije&#x010D;enje udlagom i samo vje&#x017E;banjem te zabilje&#x017E;ili regresiju simptoma u 77% lije&#x010D;enih udlagom naspram 52% lije&#x010D;enih vje&#x017E;banjem. (<xref ref-type="bibr" rid="r24"><italic>24</italic></xref>) Ti autori navode da se uspje&#x0161;nost konzervativne terapije smanjuje s dobi, uz 89% uspje&#x0161;nosti u dojena&#x010D;koj dobi i samo 50% kod djece starije od tri godine. Daljnja istra&#x017E;ivanja trebala bi vi&#x0161;e pozornosti usmjeriti na razli&#x010D;ite vrste udlaga koje se rabe, precizno definiranje no&#x0161;enja tijekom dana i no&#x0107;i te na interval primjene do postizanja oporavka, i za jo&#x0161; fleksibilne palce i za one s razvijenom fleksijskom kontrakturom. (<xref ref-type="bibr" rid="r38"><italic>38</italic></xref>) Watanabe i sur. zabilje&#x017E;ili su pobolj&#x0161;anje u 86% djece lije&#x010D;ene samo vje&#x017E;banjem. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) U 5% djece s te&#x017E;om klini&#x010D;kom slikom (stadij IV.) javile su se i sekundarne komplikacije poput radijalne fleksijske deformacije distalne falange palca. Forlin i sur. promatrali su 13-ero djece i zabilje&#x017E;ili oporavak u njih 54% (bolji ishod imala su djeca dojena&#x010D;ke dobi). Prosje&#x010D;no trajanje lije&#x010D;enja bilo je 20 mjeseci. (<xref ref-type="bibr" rid="r25"><italic>25</italic></xref>) Jung i sur. navode potpuni oporavak u 80% bolesnika od ukupno 30-ero djece lije&#x010D;ene vje&#x017E;banjem. (<xref ref-type="bibr" rid="r39"><italic>39</italic></xref>) Nije postignuto pobolj&#x0161;anje u samo jedne djevoj&#x010D;ice, koja je nakon mjeseci vje&#x017E;banja izlije&#x010D;ena kirur&#x0161;ki.</p>
</sec>
<sec>
<title>Kirur&#x0161;ko lije&#x010D;enje</title>
<p>Kirur&#x0161;ko lije&#x010D;enje &#x0161;kljocavog palca i dalje je najzastupljenija metoda lije&#x010D;enja. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r5"><italic>5</italic></xref>) S obzirom na velik postotak spontanog oporavka i uspje&#x0161;nost terapije udlagom, postavlja se pitanje kada primijeniti operativno lije&#x010D;enje. Ogino predla&#x017E;e kirur&#x0161;ku intervenciju ako nakon opservacije ili no&#x0161;enja udlage nema pobolj&#x0161;anja do pete godine &#x017E;ivota. (<xref ref-type="bibr" rid="r28"><italic>28</italic></xref>) Operacija je izbor pri bolnom &#x0161;kljocanju i hiperekstenzijskim deformacijama MCP zgloba te, dakako, kada roditelji vi&#x0161;e ne &#x017E;ele opservacijski pristup. Shah i Bae u svojim terapijskim preporukama savjetuju da se djeca s fiksnom fleksijskom kontrakturom podvrgnu kirur&#x0161;kom lije&#x010D;enju nakon navr&#x0161;enih 12 mjeseci. (<xref ref-type="bibr" rid="r26"><italic>26</italic></xref>) Farr i sur. (<xref ref-type="bibr" rid="r38"><italic>38</italic></xref>) dali su sustavni pregled ishoda &#x0161;kljocavog palca iz 17 retrospektivnih studija i jedne prospektivne. Puni opseg pokreta postignut je u 95% pacijenata lije&#x010D;enih kirur&#x0161;ki, u 67% onih koji su nosili udlagu i u 55% tretiranih pasivnim vje&#x017E;bama istezanja. Operacija se izvodi u op&#x0107;oj anesteziji s popre&#x010D;nom incizijom ko&#x017E;e u fleksornoj brazdi MCP zgloba. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>, <xref ref-type="bibr" rid="r26"><italic>26</italic></xref>, <xref ref-type="bibr" rid="r33"><italic>33</italic></xref>) Budu&#x0107;i da ve&#x0107;ina djece ima dvije brazde umjesto samo jedne, istra&#x017E;ivanja su pokazala da proksimalni rub <italic>A1 pulleya</italic> le&#x017E;i samo malo bli&#x017E;e od proksimalne ko&#x017E;ne brazde. Udaljenost izme&#x0111;u ko&#x017E;ne fleksorne brazde IP zgloba i proksimalnog ruba <italic>A1 pulleya</italic> neznatno je du&#x017E;a od udaljenosti IP brazde i vrha palca. (<xref ref-type="bibr" rid="r40"><italic>40</italic></xref>) Je li ta povezanost jednaka i kod djece nepoznato je, ali bi mogla pomo&#x0107;i pri pozicioniranju reza. (<xref ref-type="bibr" rid="r5"><italic>5</italic></xref>) Princip zahvata jest osloba&#x0111;anje punog opsega gibanja tetive s pomo&#x0107;u uzdu&#x017E;nog presijecanja <italic>A1 pulleya</italic> (<xref ref-type="fig" rid="f2">Figure 2</xref>). Komplikacije su rijetke, ali mogu&#x0107;e. Povratak &#x0161;kljocanja bilje&#x017E;i se u do 4% pacijenata. (<xref ref-type="bibr" rid="r34"><italic>34</italic></xref>) Radi potvrde punog osloba&#x0111;anja <italic>A1 pulleya</italic> savjetuje se provesti dva intraoperativna testa. U prvome, aktivna fleksija FPL-a potaknuta je maksimalnom ekstenzijom ru&#x010D;nog zgloba uz pritiskanje trbuha FPL-a u distalnoj tre&#x0107;ini volarne strane podlaktice. Drugim testom za dokazivanje pune ekstenzije IP zgloba maksimalno se flektiraju zape&#x0161;&#x0107;e i MCP zglob palca. (<xref ref-type="bibr" rid="r41"><italic>41</italic></xref>) Time se mogu&#x0107;nost povratka &#x0161;kljocanja svodi na minimum. Radi sprje&#x010D;avanja napinjanja tetive u luku va&#x017E;no je o&#x010D;uvati distalniji kosi <italic>pulley</italic>. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) Da bi se izbjegla komplikacija ozljede radijalnoga digitalnog &#x017E;ivca tijekom disekcije, potrebno je pa&#x017E;ljivo pozicionirati inciziju. Valja upamtiti da pri abdukciji palca tetiva FPL-a prolazi od sredi&#x0161;ta jagodice palca prema hamulusu hamatusa. (<xref ref-type="bibr" rid="r40"><italic>40</italic></xref>)</p>
</sec>
</sec>
<sec sec-type="other7">
<title>Zaklju&#x010D;ak</title>
<p>&#x0160;kljocavi palac rijetko je stanje koje se vidi u djece pred&#x0161;kolske dobi. Nejasno je radi li se o priro&#x0111;enoj anomaliji ili razvojnom poreme&#x0107;aju. To benigno stanje ima sposobnost spontanog oporavka, no neoperativna terapija iziskuje vrijeme i nala&#x017E;e fizikalnu terapiju (vje&#x017E;be pasivne ekstenzije). Kirur&#x0161;ko je lije&#x010D;enje terapijska opcija, rje&#x0111;e kao prvi izbor (najte&#x017E;i slu&#x010D;ajevi), a &#x010D;e&#x0161;&#x0107;e pri neuspjehu konzervativne terapije.</p>
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