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<front>
<journal-meta>
<journal-id journal-id-type="publisher-id">LV</journal-id>
<journal-id journal-id-type="nlm-ta">Lijec Vjesn</journal-id>
<journal-title-group>
<journal-title>Lijecnicki Vjesnik</journal-title>
<abbrev-journal-title abbrev-type="pubmed">Lijec. Vjesn.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="ppub">0024-3477</issn>
<issn pub-type="epub">1849-2177</issn>
<publisher><publisher-name>Croatian Medical Association</publisher-name></publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="publisher-id">LV-144-386</article-id>
<article-id pub-id-type="doi">10.26800/LV-144-11-12-6</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Drugs and procedures</subject></subj-group>
</article-categories>
<title-group>
<article-title>Klini&#x010D;ki ishodi transplantacije srca u bolesnika nakon ugradnje ure&#x0111;aja <italic>CentriMag</italic>&#x2122;</article-title>
<trans-title-group xml:lang="en">
<trans-title>Post-transplant outcomes in heart transplant patients after implantation of CentriMag&#x2122; ventricular assist device</trans-title>
</trans-title-group>
</title-group>
<contrib-group>
<contrib contrib-type="author"><name><surname>&#x0160;ef</surname><given-names>Davorin</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4396-6628</contrib-id><name><surname>Bitunjac</surname><given-names>Ivan</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Mohite</surname><given-names>Prashant</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Verzelloni &#x0160;ef</surname><given-names>Alessandra</given-names></name><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Raj</surname><given-names>Binu</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>De Robertis</surname><given-names>Fabio</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Stock</surname><given-names>Ulrich</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib>
<aff id="aff1"><label>1</label><institution content-type="dept">Department of Cardiothoracic Surgery and Transplantation Unit, Royal Brompton and Harefield Hospitals</institution>, <institution>Harefield Hospital</institution>, <addr-line>London</addr-line>, <country country="gb">United Kingdom</country></aff>
<aff id="aff2"><label>2</label>Odjel za kardiologiju, Slu&#x017E;ba za internisti&#x010D;ke djelatnosti, Op&#x0107;a bolnica &#x201E;Dr. Josip Ben&#x010D;evi&#x0107;&#x201D;, Slavonski Brod</aff>
<aff id="aff3"><label>3</label><institution content-type="dept">Department of Anaesthesia and Critical Care, Royal Brompton and Harefield Hospitals</institution>, <institution>Harefield Hospital</institution>, <addr-line>London</addr-line>, <country country="gb">United Kingdom</country></aff>
</contrib-group>
<author-notes>
<corresp id="cor1">Adresa za dopisivanje: Ivan Bitunjac, dr. med., <ext-link ext-link-type="uri" xlink:href="https://orcid.org/0000-0002-4396-6628">https://orcid.org/0000-0002-4396-6628</ext-link> &#x2028;Odjel za kardiologiju, Slu&#x017E;ba za internisti&#x010D;ke djelatnosti, Op&#x0107;a bolnica &#x201E;Dr. Josip Ben&#x010D;evi&#x0107;&#x201D;, 35000 Slavonski Brod, e-po&#x0161;ta: <email xlink:href="dr@bitunjac.com">dr@bitunjac.com</email></corresp></author-notes>
<pub-date pub-type="epub-ppub"><month>12</month><year>2022</year></pub-date>
<volume>144</volume>
<issue>11-12</issue>
<fpage>386</fpage>
<lpage>391</lpage>
<permissions>
<copyright-year>2022</copyright-year>
<copyright-holder>Croatian Medical Association</copyright-holder>
<license xlink:href="https://creativecommons.org/licenses/by-nc-nd/4.0/" specific-use="CC BY-NC-ND 4.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND) 4.0 License.</license-p></license>
</permissions>
<abstract>
<title>SA&#x017D;ETAK</title>
<sec><title>Cilj</title><p>Ure&#x0111;aj za kratkotrajnu cirkulacijsku potporu klijetkama <italic>CentriMag</italic>&#x2122; mo&#x017E;e se primijeniti u kriti&#x010D;no bolesnih bolesnika u zadnjem stadiju sr&#x010D;anog zatajivanja radi kandidature ili premo&#x0161;tenja do transplantacije srca. U ovom istra&#x017E;ivanju analizirali smo posttransplantacijske ishode bolesnika kod kojih je kori&#x0161;ten ure&#x0111;aj <italic>CentriMag</italic>&#x2122; radi premo&#x0161;tenja do transplantacije srca ili kandidature za transplantaciju srca.</p></sec>
<sec><title>Materijali i metode</title><p>Analizirani su svi bolesnici u zadnjem stadiju sr&#x010D;anog zatajivanja kojima je ugra&#x0111;en ure&#x0111;aj <italic>CentriMag</italic>&#x2122; u svrhu premo&#x0161;tenja do transplantacije srca ili do kandidature za transplantaciju u razdoblju od 2004. do 2019. godine. Primarni ciljevi studije bili su jednomjese&#x010D;no i jednogodi&#x0161;nje pre&#x017E;ivljenje nakon transplantacije srca.</p></sec>
<sec><title>Rezultati</title><p>Ure&#x0111;aj <italic>CentriMag</italic>&#x2122; je kori&#x0161;ten u 29 bolesnika (37,2 &#x00B1; 13,8 godina) u svrhu premo&#x0161;tenja do transplantacije (18 bolesnika, 62%) ili kandidature za transplantaciju (11 pacijenata, 38%) tijekom 15-godi&#x0161;njeg razdoblja istra&#x017E;ivanja. Ure&#x0111;aj je kori&#x0161;ten kao potpora lijevoj klijetki u 9 (31%), desnoj klijetki u 6 (21%) i kao potpora objema klijetkama srca u 14 bolesnika (48%). Prije implantacije ure&#x0111;aja <italic>CentriMag</italic>&#x2122;, 4 bolesnika (17%) su mehani&#x010D;ki ventilirana, 4 (14%) imala su nejasan neurolo&#x0161;ki status, njih 9 (31%) imalo je ugra&#x0111;enu intraaortalnu balonsku pumpu, 26 bolesnika (90%) imalo je umjerenu do te&#x0161;ku insuficijenciju desne klijetke, 14 (48%) imalo je zatajivanje bubrega, 5 (17%) imalo je zatajivanje vi&#x0161;e organa, a 6 (21%) imalo je prethodnu sternotomiju. Jednomjese&#x010D;ni mortalitet nakon implantacije ure&#x0111;aja <italic>CentriMag</italic>&#x2122; iznosio je 7%. Prosje&#x010D;no trajanje potpore bilo je 38 &#x00B1; 44 dana. Nije bilo komplikacija u smislu kvara ure&#x0111;aja. Tridesetodnevno i jednogodi&#x0161;nje pre&#x017E;ivljavanje nakon transplantacije srca iznosilo je 90%, odnosno 83%.</p></sec>
<sec><title>Zaklju&#x010D;ak</title><p>Ure&#x0111;aj <italic>CentriMag</italic>&#x2122; mo&#x017E;e biti u&#x010D;inkovit u spa&#x0161;avanju bolesnika sa zatajivanjem srca koji su potencijalni kandidati za transplantaciju srca, a nisu kandidati za ugradnju ure&#x0111;aja za dugotrajnu potporu lijevoj klijetki. <italic>CentriMag</italic>&#x2122; se mo&#x017E;e koristiti radi premo&#x0161;tenja ili kandidature za transplantaciju sa zadovoljavaju&#x0107;im rezultatima nakon transplantacije.</p></sec>
</abstract>
<trans-abstract xml:lang="en">
<title>SUMMARY</title>
<sec><title>Aim</title><p>The CentriMag&#x2122; short-term ventricular assist device (VAD) can be used as either as a bridge to transplantation (BTT) or candidacy (BTC) in critically ill patients with decompensated end-stage heart failure. In this study, we analyzed post-transplantation outcomes of patients that were bridged to heart transplantation (HTx) or candidacy with the CentriMag&#x2122; device and compared our results with the recent literature.</p></sec>
<sec><title>Materials and methods</title><p>All patients supported with the CentriMag&#x2122; device as a BTT or BTC due to decompensated end-stage heart failure between 2004 and 2019 were analyzed. Primary endpoint were post-transplantation 1-month and 1-year survival.</p></sec>
<sec><title>Results</title><p>A total of 29 patients (37.2&#x00B1;13.8 years) underwent HTx after the implantation of the CentriMag&#x2122; device as a BTT (18 patients, 62%) or BTC (11 patients, 38%) over a 15-year study period. The device was used for the left ventricular in nine (31%), right ventricular in six (21%) and biventricular support in 14 patients (48%). Preoperatively, four patients (17%) were mechanically ventilated, four (14%) had uncertain neurological status, 9 (31%) had intra-aortic balloon pump, 26 (90%) had moderate/severe right ventricular failure, 14 (48%) had renal failure, five (17%) had multi-organ failure, and six (21%) had previous sternotomy at the time of the device implantation. One-month mortality after the implantation of the CentriMag was 7%. Mean duration of support was 38&#x00B1;44 days. We had no device failure. Post-transplant 1-month and 1-year survival were 90% and 83%, respectively.</p></sec>
<sec><title>Conclusion</title><p>The CentriMag&#x2122; device can be effective in rescuing critically ill patients that are potential candidates for HTx and considered unsuitable for long-term VAD. It can be used as either BTT or BTC with satisfactory posttransplant outcomes.</p></sec>
</trans-abstract>
<kwd-group kwd-group-type="author"><kwd>Deskriptori ZATAJIVANJE SRCA &#x2013; kirurgija</kwd><kwd>TRANSPLANTACIJA SRCA</kwd><kwd>MEHANI&#x010C;KA POTPORA SRCU</kwd><kwd>POSTOPERATIVNE KOMPLIKACIJE &#x2013; etiologija</kwd><kwd>ISHOD LIJE&#x010C;ENJA</kwd></kwd-group>
<kwd-group kwd-group-type="translator" xml:lang="en"><title>Descriptors </title><kwd>HEART FAILURE &#x2013; surgery</kwd><kwd>HEART TRANSPLANTATION</kwd><kwd>HEART-ASSIST DEVICES</kwd><kwd>POSTOPERATIVE COMPLICATIONS &#x2013; etiology</kwd><kwd>TREATMENT OUTCOME</kwd></kwd-group>
</article-meta>
</front>
<body>
<p>Transplantacija srca (engl. <italic>heart transplantation</italic>, HTx) predstavlja zlatni standard u lije&#x010D;enju bolesnika sa zadnjim stadijem sr&#x010D;anog zatajivanja. Zbog ograni&#x010D;ene dostupnosti donorskih organa, i dalje su u klini&#x010D;koj praksi potrebne razne strategije pri lije&#x010D;enju takvih bolesnika. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>) Bolesnici koji se prezentiraju u kriti&#x010D;nom klini&#x010D;kom stanju uz prisutno zatajivanje jednog ili vi&#x0161;e organskih sustava, zbog niskoga minutnog sr&#x010D;anog volumena, predstavljaju poseban klini&#x010D;ki izazov. Kratkoro&#x010D;na mehani&#x010D;ka cirkulacijska potpora (MCS, engl. <italic>mechanical circulatory support</italic>) mo&#x017E;e hemodinamski stabilizirati bolesnika i potpomo&#x0107;i oporavak funkcije pojedinih organa. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>&#x2013;<xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Ure&#x0111;aji za MCS razlikuju se prema mehani&#x010D;kim i hemodinamskim svojstvima te na&#x010D;inima ugradnje. Njihova uloga u kratkoro&#x010D;noj cirkulacijskoj potpori bolesnika mo&#x017E;e biti premo&#x0161;tenje do transplantacije srca (BTT, engl. <italic>bridge to transplant</italic>) ili do kandidature za transplantaciju (BTC, engl. <italic>bridge to candidacy</italic>). (<xref ref-type="bibr" rid="r7"><italic>7</italic></xref>)</p>
<p>Ure&#x0111;aj za potporu klijetkama (VAD, engl. <italic>ventricular assist device</italic>) <italic>CentriMag&#x2122;</italic> (<italic>Levitronix LLC</italic>, Waltham, MA) koristi se &#x010D;esto zbog jednostavnosti ugradnje i mogu&#x0107;nosti duljeg trajanja mehani&#x010D;ke cirkulacijske potpore (odobren je za potporu do 30 dana) kao &#x0161;to su autori ranije opisali. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r3"><italic>3</italic></xref>)</p>
<p>Ovo je jedina dostupna centrifugalna pumpa za kratkotrajnu cirkulacijsku potporu s tehnologijom magnetske levitacije rotora, koja radi bez mehani&#x010D;kih le&#x017E;ajeva ili brtvi, &#x010D;ime se umanjuje trenje, tro&#x0161;enje materijala i stvaranje topline, &#x0161;to u kona&#x010D;nici smanjuje rizik od tromboembolijskih komplikacija ili mehani&#x010D;kog kvara. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>)</p>
<p>U ovoj studiji prikazujemo na&#x0161;a iskustva s kori&#x0161;tenjem ure&#x0111;aja <italic>CentriMag&#x2122;</italic> u skupini bolesnika za premo&#x0161;tenje do transplantacije srca ili do kandidature za transplantaciju, te usporedbu s rezultatima iz nedavne literature.</p>
<sec sec-type="other1">
<title>Metode</title>
<sec>
<title>Bolesnici</title>
<p>U ovom istra&#x017E;ivanju retrospektivno smo analizirali bolesnike kojima je ugra&#x0111;en ure&#x0111;aj <italic>CentriMag&#x2122;</italic> kao kratkotrajna mehani&#x010D;ka cirkulacijska potpora sa svrhom premo&#x0161;tenja do transplantacije srca ili kandidature za transplantaciju u tercijarnom kardiotorakalnom transplantacijskom centru (Harefield Hospital, London, Ujedinjeno Kraljevstvo), u razdoblju od 2004. do 2019. godine. Bolesnici kojima ure&#x0111;aj <italic>CentriMag&#x2122;</italic> nije ugra&#x0111;en radi BTT ili BTC plana lije&#x010D;enja, isklju&#x010D;eni su iz studije. Istra&#x017E;ivanje je odobreno od strane Eti&#x010D;kog povjerenstva bolnice i svi su bolesnici potpisali informirani pristanak. Ako je bolesnik bio bez svijesti, lije&#x010D;ni&#x010D;ki tim je u dogovoru s obitelji potpisao informirani pristanak.</p>
<p>Svi bolesnici su, unato&#x010D; maksimalnoj terapiji inotropnim lijekovima i optimalnom medikamentoznom lije&#x010D;enju, primljeni u kriti&#x010D;nom stanju na odjel intenzivne skrbi (ICU, engl. <italic>intensive care unit</italic>) te im je postavljena indikacija za MCS. Zbog razli&#x010D;itih kontraindikacija kao &#x0161;to su nejasan neurolo&#x0161;ki status, ovisnost o mehani&#x010D;koj ventilaciji, sr&#x010D;ana kaheksija ili vi&#x0161;eorgansko zatajivanje (MOF, engl. <italic>multiple organ failure</italic>), neki bolesnici nisu bili kandidati za transplantaciju srca kao niti za dugotrajnu mehani&#x010D;ku potporu klijetkama. Stoga se odluka o postavljanju kratkotrajne mehani&#x010D;ke potpore klijetkama temeljila na klini&#x010D;koj prosudbi s ciljem da se bolesnike stabilizira i optimizira njihovo klini&#x010D;ko stanje kako bi se postigao oporavak funkcije organa prije nego &#x0161;to postanu kandidati za daljnje lije&#x010D;enje. Jedna od najve&#x0107;ih prednosti ure&#x0111;aja <italic>CentriMag&#x2122;</italic> u odnosu na izvantjelesnu membransku oksigenaciju (ECMO, engl. <italic>extracorporeal membrane oxygenation</italic>) sastoji se u tome &#x0161;to nije potreban oksigenator tako da je posljedi&#x010D;no potreban manji stupanj antikoagulacije te je uklonjen rizik od tromboembolijskih komplikacija vezanih uz kori&#x0161;tenje oksigenatora. Nadalje, na&#x0161; cilj lije&#x010D;enja uz pomo&#x0107; ure&#x0111;aja <italic>CentriMag&#x2122;</italic> bio je izbje&#x0107;i razvoj sindroma sustavnoga upalnog odgovora (SIRS, engl. <italic>systemic inflammatory response syndrome</italic>) ili infekcije kako bi se ubrzao oporavak funkcije organa dok bolesnici ne postanu kandidati za transplantaciju srca. Kod bolesnika s hemodinamskim i ehokardiografskim znakovima zatajivanja desne klijetke (RVF, engl. <italic>right ventricular failure</italic>) kori&#x0161;tena je ugradnja <italic>CentriMag&#x2122;</italic>-a radi kratkotrajne cirkulacijske potpore desnoj klijetki (RVAD, eng. <italic>right ventricular assist device</italic>). Kriteriji za RVF uklju&#x010D;ivali su sr&#x010D;ani indeks (CI, engl. <italic>cardiac index</italic>) &lt;2,2 l/min/m<sup>2</sup> (unato&#x010D; kontinuiranoj infuziji &#x2265;1 inotropnih lijekova u visokoj dozi) i sredi&#x0161;nji venski tlak (engl. <italic>central venous pressure</italic>) CVP &gt; 15 mmHg ili sistoli&#x010D;ku disfunkciju desne klijetke na transezofagijskom ultrazvuku (TEE, engl. <italic>transoesophageal echocardiogram</italic>).</p>
</sec>
<sec>
<title>Kirur&#x0161;ka tehnika</title>
<p>Kirur&#x0161;ka tehnika je detaljno opisana u na&#x0161;im ranijim studijama. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r3"><italic>3</italic></xref>) Kirur&#x0161;ki zahvat ugradnje <italic>CentriMag&#x2122;</italic>-a po&#x010D;inje medijanom sternotomijom uz rutinsko kori&#x0161;tenje transezofagijskog ultrazvuka. Potrebna je potpuna heparinizacija (3 mg/kg) &#x010D;iji je efekt pra&#x0107;en mjerenjem aktiviranoga parcijalnog tromboplastinskog vremena i anti-Xa faktora. Veli&#x010D;ina kanila prilago&#x0111;ena je ovisno o povr&#x0161;ini tijela bolesnika. Dovodna i odvodna kanila LVAD-a postavljene su u lijevi atrij, odnosno uzlaznu aortu. Dovodna i odvodna kanila RVAD-a postavljene su u desnu pretklijetku, odnosno glavnu plu&#x0107;nu arteriju. Pravilno postavljanje kanila usmjereno je uz pomo&#x0107; TEE-a. Brzina pumpe prilago&#x0111;ena je tako da osigura CI 2,2 &#x2013; 2,4 L/min, iako pumpa mo&#x017E;e isporu&#x010D;iti protok krvi i do 9,9 l/min. Prije zatvaranja prsnog ko&#x0161;a heparin je neutraliziran pomo&#x0107;u protamina.</p>
<p>Glava pumpe zajedno s cijevima za krug <italic>CentriMag&#x2122;</italic>-a zamijenjeni su svakih 4 &#x2013; 6 tjedana ili ranije, ako je to bilo potrebno zbog pojave makroskopski vidljivih sedimenata fibrina u cijevima kruga. Intravenski heparin ponovno je primijenjen nakon kirur&#x0161;kog zahvata, ukoliko se drena&#x017E;a iz prsi&#x0161;ta smanjila ispod 50 ml/h. Doza se prilago&#x0111;avala svakih &#x0161;est sati s ciljem aktiviranoga parcijalnog protrombinskog vremena od 40 do 60 sekundi u po&#x010D;etku, a zatim od 60 do 80 sekundi (odnosno razine anti-Xa faktora 0,2 &#x2013; 0,3 i zatim 0,3 &#x2013; 0,4 UI/ml). Svi su bolesnici lije&#x010D;eni u jedinici intenzivne skrbi gdje je provedena intenzivna fizioterapija i rana mobilizacija kako bi mogli postati kandidati za transplantaciju srca. Svaki bolesnik stavljen je na listu &#x010D;ekanja transplantacije srca isklju&#x010D;ivo nakon odluke donesene na sastanku multidisciplinarnoga transplantacijskog tima, ovisno o oporavku funkcije vitalnih organa i pobolj&#x0161;anja klini&#x010D;kog stanja. Takvi bolesnici stavljeni su na hitnu nacionalnu listu visokog prioriteta.</p>
</sec>
<sec>
<title>Prikupljanje podataka</title>
<p>Svi klini&#x010D;ki podatci prikupljeni su retrospektivno pregledom elektroni&#x010D;ke i arhivirane medicinske dokumentacije. Prikupljeni podatci sastojali su se od demografskih parametara, predoperativnih klini&#x010D;kih zna&#x010D;ajki, hemodinamskih parametara, laboratorijskih nalaza i ehokardiografskih nalaza. Primarni ciljevi bili su posttransplantacijsko tridesetodnevno i jednogodi&#x0161;nje pre&#x017E;ivljavanje. Sekundarni ciljevi bili su tridesetodnevno pre&#x017E;ivljavanje nakon implantacije <italic>CentriMag&#x2122;</italic>-a te klini&#x010D;ki ishodi nakon implantacije <italic>CentriMag&#x2122;</italic>-a (rana postoperativna drena&#x017E;a, trajanje potpore, rane komplikacije) i transplantacije srca.</p>
</sec>
<sec>
<title>Statisti&#x010D;ka analiza</title>
<p>Kategori&#x010D;ke varijable prikazane su kao brojevi s postotcima. Kontinuirane varijable prikazane su kao srednja vrijednost uz standardnu devijaciju ili medijan (interkvartilni raspon). Sve analize provedene su uz pomo&#x0107; statisti&#x010D;kog programa <italic>MedCalc</italic> za <italic>Windows</italic>, verzija 15.8 (<italic>MedCalc Software</italic>, Belgija).</p>
</sec>
</sec>
<sec sec-type="other2">
<title>Rezultati</title>
<sec>
<title>Populacija</title>
<p>U 29 bolesnika (prosje&#x010D;ne dobi od 37,2 &#x00B1; 13,8, u rasponu od 16 do 63 godine; 21 mu&#x0161;karac) u&#x010D;injena je implantacija ure&#x0111;aja <italic>CentriMag&#x2122;</italic> radi premo&#x0161;tenja do transplantacije srca (18 bolesnika, 62%) ili do kandidature za transplantaciju (11 bolesnika, 38%) u vremenskom razdoblju od 15 godina. Naj&#x010D;e&#x0161;&#x0107;i uzrok sr&#x010D;anog zatajivanja bila je dilatativna kardiomiopatija (n = 22,76%). Demografske i klini&#x010D;ke karakteristike bolesnika prije operativnog zahvata ugradnje <italic>CentriMag&#x2122;</italic>-a prikazane su u <xref ref-type="table" rid="t1">Table 1</xref>. Svi su bolesnici prije ugradnje ure&#x0111;aja <italic>CentriMag&#x2122;</italic> bili hemodinamski nestabilni i ovisni o potpori visokim dozama inotropnih lijekova. Prije operacije, 4 (14%) bolesnika bila su mehani&#x010D;ki ventilirana, 4 (14%) je imalo neizvjestan neurolo&#x0161;ki status, 9 (31%) je imalo ugra&#x0111;enu intraaortalnu balon-pumpu, 4 (14%) je imalo ugra&#x0111;enu perifernu veno-arterijsku ECMO potporu, 26 (90%) je imalo zna&#x010D;ajan stupanj RVF-a, 14 (48%) je imalo zatajivanje bubrega, 5 (17%) je imalo MOF, a 6 (21%) je imalo prethodnu sternotomiju. Na&#x010D;in VAD potpore i strategija premo&#x0161;&#x0107;ivanja prikazani su u <xref ref-type="table" rid="t1">Table 1</xref>. Ure&#x0111;aj <italic>CentriMag&#x2122;</italic> je kori&#x0161;ten za potporu lijevoj klijetki u 9 (31%), desnoj klijetki u 6 (21%) i za potporu objema klijetkama srca u 14 (48%) bolesnika. U svih &#x0161;est bolesnika RVAD je kori&#x0161;ten zbog te&#x0161;kog zatajivanja desne klijetke tijekom ili nakon ugradnje ure&#x0111;aja za dugotrajnu mehani&#x010D;ku cirkulacijsku potporu lijevoj klijetki (LT-VAD, engl. <italic>long-term ventricular assist device</italic>).</p>
<table-wrap id="t1" position="float">
<label>Table 1</label><caption><title>Preoperative demographic and clinical characteristics</title>
</caption>
<table frame="hsides" rules="groups">
<col width="80.13%"/>
<col width="19.87%"/>
<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">Prosje&#x010D;na dob (godina) / Mean age (years)</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">37,2&#x00B1;13,8</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Mu&#x0161;karci / Male gender</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">21 (72%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">BMI (kg/m<sup>2</sup>) / Body mass index (kg/m<sup>2</sup>)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">23,2 &#x00B1; 4,1</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">Krvna grupa / Blood group</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt"></td>
</tr>
<tr>
<td valign="middle" 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;A</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">16 (55%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;B</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">1 (3,5%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;AB</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">1 (3,5%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;O</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">11 (38%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Nejasan neurolo&#x0161;ki status / Uncertain CNS status</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">4 (14%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Mehani&#x010D;ka ventilacija / Mechanical ventilation</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">4 (14%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">IABP</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">9 (31%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">VA ECMO</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">4 (14%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">MOF</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">5 (17%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Zatajivanje bubrega / Renal failure</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">14 (48%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Zatajivanje desne klijetke / Right ventricular failure</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">26 (90%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Prethodna sternotomija / Previous sternotomy</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">6 (21%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Prethodni MI / Previous MI</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">5 (17%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Prethodni CABG/PCI</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">3 (10%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">Etiologija sr&#x010D;anog zatajivanja / Etiology of heart disease</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt"></td>
</tr>
<tr>
<td valign="middle" 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;DCM</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">22 (76%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;ICMP</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">2 (7%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;IHD</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">2 (7%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.75pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Virusni miokarditis / Viral myocarditis</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.75pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">2 (7%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;HCM</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">1 (3%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">Hemodinamski parametri / Hemodynamics</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt"></td>
</tr>
<tr>
<td valign="middle" 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;Frekvencija srca (/min) / HR (bpm)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">107 &#x00B1; 17</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;MAP (mmHg)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">71 &#x00B1; 15</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;CVP (mmHg)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">18 &#x00B1; 5</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">Ehokardiografski parametri / Echocardiography</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt"></td>
</tr>
<tr>
<td valign="middle" 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;LVEF (%)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">14 &#x00B1; 5,2</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;LVEDD (mm)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">66 &#x00B1; 11</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;LVESD (mm)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">59 &#x00B1; 13</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;RV &#x2013; umjerena disfunkcija / RV moderately impaired</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">10 (35%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;RV &#x2013; te&#x0161;ka disfunkcija / RV severely impaired</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">16 (55%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;TAPSE (mm)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">10,9 &#x00B1; 2,4</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="col">Laboratorijski parametri / Laboratory results</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt"></td>
</tr>
<tr>
<td valign="middle" 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;Hb (g/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">104 &#x00B1; 36</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;WBC (x10<sup>9</sup>/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">11,4 &#x00B1; 5,3</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;CRP (mg/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">96 &#x00B1; 87</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Ureja (mmol/L) / Urea (mmol/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">9,3 &#x00B1; 6,7</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Kreatinin (&#x00B5;mol/L) / Creatinine (&#x00B5;mol/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">109 &#x00B1; 46</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;Bilirubin (&#x00B5;mol/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">39 &#x00B1; 31</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">&#x00A0;&#x00A0;ALT (IU/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">180 &#x00B1; 171</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">&#x00A0;&#x00A0;ALP (IU/L)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">77 &#x00B1; 45</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>CABG &#x2013; aortokoronarno premo&#x0161;tenje / coronary artery bypass graft; PCI &#x2013; perkutana koronarna intervencija / percutaneous coronary intervention; MAP &#x2013; srednji arterijski tlak / mean arterial pressure; Hb &#x2013; hemoglobin; WBC &#x2013; bijele krvne stanice / white blood cells; ALT &#x2013; alanin aminotransfe-raza / alanine aminotransferase; ALP &#x2013; alkalna fosfataza / alkaline phosphatase; CRP &#x2013; C-reaktivni protein / C-reactive protein; LVEF &#x2013; istisna frak-cija lijeve klijetke / left ventricular ejection fraction; LVEDD &#x2013; zavr&#x0161;ni dijastoli&#x010D;ki promjer lijeve klijetke / left ventricular end-diastolic diameter; LVESD &#x2013; zavr&#x0161;ni sistoli&#x010D;ki promjer lijeve klijetke / left ventricular end-systolic diameter; RV &#x2013; desna klijetka / right ventricle; TAPSE &#x2013; sistoli&#x010D;ki pomak rav-nine trikuspidnog prstena / tricuspid annular plane systolic excursion; VA ECMO &#x2013; veno-arterijska izvantjelesna membranska oksigenacija / veno-arterial extracorporeal membrane oxygenation. Podatci su prikazani kao srednja vrijednost &#x00B1; SD ili broj N i udio (%). / Data are presented as mean &#x00B1; SD or n (%).</p>
</table-wrap-foot></table-wrap>
<p>Postoperativni rezultati i komplikacije nakon ugradnje <italic>CentriMag&#x2122;</italic>-a prikazani su u <xref ref-type="table" rid="t2">Table 2</xref>. Komplikacija u smislu kvara ure&#x0111;aja nije bilo. Prosje&#x010D;no trajanje potpore <italic>CentriMag&#x2122;</italic>-om u skupini ispitanika bilo je 37,9 dana (raspon 1 &#x2013; 206 dana). Dakle, 9 (31%) bolesnika bilo je na potpori u razdoblju duljem od slu&#x017E;beno propisanog razdoblja (30 dana). Srednje vrijednosti protoka krvi kroz LVAD i RVAD bile su 4,6 odnosno 4,8 L/min. Jednomjese&#x010D;ni i jednogodi&#x0161;nji mortalitet nakon implantacije iznosio je 7% (dva bolesnika), odnosno 10% (tri bolesnika). U oba slu&#x010D;aja kada su bolesnici umrli unutar 30 dana od implantacije <italic>CentriMag&#x2122;</italic>-a, bilo je prvi, odnosno 19. postoperativni dan nakon HTx.</p>
<table-wrap id="t2" position="float">
<label>Table 2</label><caption><title>Post-implantation results</title>
</caption>
<table frame="hsides" rules="groups">
<col width="78.04%"/>
<col width="21.96%"/>
<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">Trajanje cirkulacijske potpore (dani) / Duration of support (days)</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">37,9 &#x00B1; 44</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">30-dnevni mortalitet / 30-days mortality</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">2 (7%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">1-godi&#x0161;nji mortalitet / 1-year mortality</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">3 (10%)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Boravak u JIL-u (medijan (IQR), dani) / ICU stay (median (IQR), days)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">20 (11, 35)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Bolni&#x010D;ki boravak (medijan (IQR), dani) / Hospital stay (median (IQR), days)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">38 (25, 81)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Dreniranje (ml/24h) / Drainage (ml/24h)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">844 &#x00B1; 570</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">LVAD protok (L/min) / LVAD flow (L/min)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">4,6 &#x00B1; 0,9</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">RVAD protok (L/min) / RVAD flow (L/min)</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">4,8 &#x00B1; 0,7</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>JIL / ICU &#x2013; jedinica intenzivnog lije&#x010D;enja / intensive care unit; IQR &#x2013; interkvartilni raspon / interquartile range; LVAD &#x2013; ure&#x0111;aj za potporu lijevoj klijetki / left ventricular assist device; RVAD &#x2013; ure&#x0111;aj za potporu desnoj klijetki / right ventricular assist device.</p>
<p>Podatci su prikazani kao srednja vrijednost &#x00B1; SD ili broj N i udio (%). / Data are presented as mean &#x00B1; SD or n (%).</p>
</table-wrap-foot></table-wrap>
<p>Postoperativni klini&#x010D;ki ishodi i komplikacije nakon HTx prikazani su u <xref ref-type="table" rid="t3">Table 3</xref>. Jednomjese&#x010D;no i jednogodi&#x0161;nje pre&#x017E;ivljenje nakon HTx iznosilo je 90% (26 bolesnika), odnosno 83% (24 bolesnika).</p>
<table-wrap id="t3" position="float">
<label>Table 3</label><caption><title>Posttransplant outcomes and complications.</title>
</caption>
<table frame="hsides" rules="groups">
<col width="84.15%"/>
<col width="15.85%"/>
<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">30-dnevno pre&#x017E;ivljenje / 30-day survival</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">26 (90)</th>
</tr>
</thead>
<tbody>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">1-godi&#x0161;nje pre&#x017E;ivljenje / 1-year survival</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">24 (83)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Mo&#x017E;dani udar / Stroke</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">0 (0)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Zatajenje bubrega / Renal failure</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">8 (28)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Akutno odbacivanje / Acute rejection</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">4 (14)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">MCS</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">7 (24)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Sepsa / Sepsis</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">5 (17)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.50pt" scope="row">Krvarenje / Bleeding</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.50pt">6 (21)</td>
</tr>
<tr>
<td valign="middle" align="left" style="border-left: solid 0.75pt; border-top: solid 0.50pt; border-right: solid 0.50pt; border-bottom: solid 0.75pt" scope="row">Ugradnja elektrostimulatora / Pacemaker implantation</td>
<td valign="middle" align="left" style="border-left: solid 0.50pt; border-top: solid 0.50pt; border-right: solid 0.75pt; border-bottom: solid 0.75pt">0 (0)</td>
</tr>
</tbody>
</table><table-wrap-foot>
<p>MCS &#x2013; mehani&#x010D;ka cirkulacijska potpora / mechanical circulatory support</p>
<p>Podatci su prikazani kao srednja vrijednost &#x00B1; SD ili broj N i udio (%) / Data are presented as mean&#x00B1;SD or n (%)</p>
</table-wrap-foot></table-wrap>
</sec>
</sec>
<sec sec-type="other3">
<title>Rasprava</title>
<p>U ovoj smo studiji pokazali da na&#x0161;a strategija premo&#x0161;&#x0107;ivanja do transplantacije s mehani&#x010D;kom cirkulacijskom potporom ure&#x0111;aja <italic>CentriMag&#x2122;</italic> mo&#x017E;e pomo&#x0107;i pri stabilizaciji bolesnika u zadnjem stadiju sr&#x010D;anog zatajivanja te omogu&#x0107;iti uspje&#x0161;nu transplantaciju srca sa zadovoljavaju&#x0107;im klini&#x010D;kim ishodima. <italic>CentriMag&#x2122;</italic> je jedini dostupan VAD ure&#x0111;aj za kratkotrajnu mehani&#x010D;ku cirkulacijsku potporu koji je odobren za tridesetodnevnu upotrebu, u usporedbi s ostalim ure&#x0111;ajima koji su registrirani za kori&#x0161;tenje do sedam dana. (<xref ref-type="bibr" rid="r2"><italic>2</italic></xref>, <xref ref-type="bibr" rid="r4"><italic>4</italic></xref>, <xref ref-type="bibr" rid="r6"><italic>6</italic></xref>) Trenutno se perkutani ure&#x0111;aji za kratkotrajnu MCS (ECMO i <italic>Impella</italic>&#x00AE;, <italic>Abiomed</italic>, Danvers, MA) &#x010D;e&#x0161;&#x0107;e koriste u svrhu BTT, ali svaki uz pojedine prednosti ima i specifi&#x010D;ne nedostatke. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r8"><italic>8</italic></xref>&#x2013;<xref ref-type="bibr" rid="r10"><italic>10</italic></xref>) Me&#x0111;utim, ure&#x0111;aj <italic>CentriMag&#x2122;</italic>, za razliku od ostalih kratkoro&#x010D;nih MCS ure&#x0111;aja, mo&#x017E;e pru&#x017E;iti potporu kroz dulje vremensko razdoblje uz ve&#x0107;i protok krvi te u&#x010D;inkovitiju dekompresiju klijetke. Bolesnici u zavr&#x0161;nom stadiju zatajivanja srca &#x010D;esto nisu prikladni kandidati za implantaciju LT-VAD ili HTx zbog prisutnosti ostalih komorbiditeta i zatajenja pojedinih organa, iako ove kontraindikacije mogu biti relativne i reverzibilne. (<xref ref-type="bibr" rid="r11"><italic>11</italic></xref>) Bitno je istaknuti da je u na&#x0161;oj studiji jednomjese&#x010D;no pre&#x017E;ivljavanje nakon ugradnje <italic>CentriMag&#x2122;</italic>-a bilo 93%, te jednomjese&#x010D;no i jednogodi&#x0161;nje pre&#x017E;ivljenje nakon transplantacije srca 90% odnosno 83%. Ovi rezultati potvr&#x0111;uju u&#x010D;inkovitost u lije&#x010D;enju ovih bolesnika upotrebom <italic>CentriMag&#x2122;</italic>-a i uspje&#x0161;nost u premo&#x0161;tenju do transplantacije srca odnosno kandidature za transplantaciju. Budu&#x0107;i da je prosje&#x010D;no trajanje potpore <italic>CentriMag&#x2122;</italic>-om (oko 38 dana) bilo dulje od vremenskog razdoblja za koje je odobren, omogu&#x0107;eno je dulje vrijeme &#x010D;ekanja do pojave odgovaraju&#x0107;eg donorskog srca. (<xref ref-type="bibr" rid="r12"><italic>12</italic></xref>, <xref ref-type="bibr" rid="r13"><italic>13</italic></xref>) Nadalje, nije zabilje&#x017E;ena niti jedna komplikacija u vidu kvara ure&#x0111;aja.</p>
<p>Rezultati iz dosada&#x0161;nje literature pokazuju kako kori&#x0161;tenje <italic>CentriMag&#x2122;</italic>-a omogu&#x0107;uje smanjeni mortalitet i morbiditet u bolesnika s kardiogenim &#x0161;okom. (<xref ref-type="bibr" rid="r4"><italic>4</italic></xref>, <xref ref-type="bibr" rid="r8"><italic>8</italic></xref>) Na&#x0161;i su rezultati usporedivi s rezultatima ostalih istra&#x017E;ivanja. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>, <xref ref-type="bibr" rid="r6"><italic>6</italic></xref>, <xref ref-type="bibr" rid="r8"><italic>8</italic></xref>, <xref ref-type="bibr" rid="r14"><italic>14</italic></xref>&#x2013;<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) Yoshioka, et al. usporedili su razli&#x010D;ite BTT strategije i prikazali tridesetodnevni posttransplantacijski mortalitet od 13% u skupini od 16 bolesnika kod kojih je kori&#x0161;ten ure&#x0111;aj za kratkotrajnu MCS. (<xref ref-type="bibr" rid="r1"><italic>1</italic></xref>) Loforte, et al. u kohorti od 37 bolesnika prikazali su smrtnost od 35% s prosje&#x010D;nim vremenom potpore od 11 dana, a radilo se o skupini bolesnika koji se nakon operacije aortokoronarnog premo&#x0161;tenja nisu mogli odvojiti od stroja za izvantjelesni krvotok, bolesnika s primarnim zatajivanjem donorskog srca te bolesnika sa zatajivanjem desne klijetke nakon ugradnje mehani&#x010D;ke potpore lijevoj klijetki. Jedno od mogu&#x0107;ih obja&#x0161;njenja jest da je u na&#x0161;oj studiji relativno ni&#x017E;a prosje&#x010D;na dob bolesnika (srednja dob 37,2 godine) pridonijela br&#x017E;em oporavku funkcije organa, uspje&#x0161;nijoj fizikalnoj rehabilitaciji te mogu&#x0107;nosti da postanu kandidati za transplantaciju srca. (<xref ref-type="bibr" rid="r15"><italic>15</italic></xref>) S druge strane, Yin, et al. u svojoj analizi su do&#x0161;li do zaklju&#x010D;ka kako su bolesnici na privremenoj mehani&#x010D;koj potpori, koja osim perkutanih ure&#x0111;aja uklju&#x010D;uje i ure&#x0111;aje poput <italic>Centri-Maga</italic>, imali lo&#x0161;ije rezultate jednogodi&#x0161;njeg pre&#x017E;ivljenja u odnosu na bolesnike koji su transplantaciju &#x010D;ekali na trajnoj mehani&#x010D;koj potpori lijevoj klijetki. (<xref ref-type="bibr" rid="r19"><italic>19</italic></xref>) Me&#x0111;utim, nedostatak je &#x0161;to ugradnja <italic>CentriMag&#x2122;</italic>-a u ve&#x0107;ini slu&#x010D;ajeva zahtijeva izvo&#x0111;enje sternotomije prije transplantacije srca. (<xref ref-type="bibr" rid="r20"><italic>20</italic></xref>) Awad, et al. su proveli istra&#x017E;ivanje u kojem su opisali kako su bolesnici koji su imali nekoliko prethodnih sternotomija imali lo&#x0161;ije klini&#x010D;ke ishode nakon HTx u usporedbi s bolesnicima bez prethodne sternotomije. (<xref ref-type="bibr" rid="r21"><italic>21</italic></xref>) U na&#x0161;oj skupini bolesnika, 21% bolesnika imalo je prethodnu sternotomiju prije ugradnje ure&#x0111;aja <italic>CentriMag&#x2122;</italic>; me&#x0111;utim, jednomjese&#x010D;no pre&#x017E;ivljenje nakon HTx u ovoj visokorizi&#x010D;noj skupini bilo je 86%. Zatajivanje bubrega i MOF prije ugradnje <italic>CentriMag&#x2122;</italic>-a bili su prisutni kod 48%, odnosno 17% bolesnika, &#x0161;to je pridonijelo ve&#x0107;em riziku operativnog zahvata.</p>
<p>Dodatna prednost ovog pristupa lije&#x010D;enja jest mogu&#x0107;nost naknadne ugradnje oksigenatora kod bolesnika s razvijenim respiratornim zatajivanjem. Bitno je istaknuti kako se ure&#x0111;aj <italic>CentriMag&#x2122;</italic> mo&#x017E;e ugraditi minimalno invazivnim pristupom (bez sternotomije), kao &#x0161;to su Takeda, et al. opisali u svom istra&#x017E;ivanju. Kako bi izbjegli potencijalne komplikacije medijane sternotomije, autori su razvili pristup minitorakotomije koriste&#x0107;i kanilaciju desne ili lijeve aksilarne arterije, iako je perioperativni mortalitet u njihovoj studiji (32%) bio ve&#x0107;i u odnosu na na&#x0161;e rezultate. (<xref ref-type="bibr" rid="r22"><italic>22</italic></xref>)</p>
<p>Me&#x0111;utim, Shuhaiber, et al. u svom su istra&#x017E;ivanju na 27 bolesnika (prosje&#x010D;ne dobi od 47,9 godina), kojima je ure&#x0111;aj <italic>CentriMag&#x2122;</italic> ugra&#x0111;en zbog kardiogenog &#x0161;oka, opisali tridesetodnevno pre&#x017E;ivljenje od 30% uz znatno kra&#x0107;e trajanje cirkulacijske potpore s prosjekom od 13,7 dana. (<xref ref-type="bibr" rid="r23"><italic>23</italic></xref>)</p>
<sec>
<title>Ograni&#x010D;enja istra&#x017E;ivanja</title>
<p>Jedno od ograni&#x010D;enja ove studije jest retrospektivna analiza rezultata. Tako&#x0111;er, u istra&#x017E;ivanju nisu analizirani bolesnici kod kojih je ugra&#x0111;en <italic>CentriMag&#x2122;</italic>, ali nisu kasnije imali transplantaciju srca. Tijekom ovoga petnaestogodi&#x0161;njeg razdoblja do&#x0161;lo je do promjena i napretka u perioperativnom lije&#x010D;enju bolesnika te u pojavi i izboru novijih MCS ure&#x0111;aja. Ukupan broj bolesnika nije dovoljno velik kako bi se mogla u&#x010D;initi usporedba s drugim MCS ure&#x0111;ajima. Stoga, potrebne su daljnje prospektivne i multicentri&#x010D;ne studije, uklju&#x010D;uju&#x0107;i i studiju koja bi usporedila <italic>CentriMag&#x2122;</italic> s drugim MCS ure&#x0111;ajima, kako bi se bolje definirale prednosti i nedostatci svakog pojedinog ure&#x0111;aja.</p>
</sec>
</sec>
<sec sec-type="other4">
<title>Zaklju&#x010D;ci</title>
<p>Ugradnja ure&#x0111;aja <italic>CentriMag&#x2122;</italic> mo&#x017E;e biti u&#x010D;inkovita i pouzdana pri lije&#x010D;enju bolesnika u zadnjem stadiju sr&#x010D;anog zatajivanja koji su potencijalni kandidati za HTx, a nisu kandidati za ugradnju LT-VAD. Mehani&#x010D;kom cirkulacijskom potporom pomo&#x0107;u <italic>CentriMag&#x2122;</italic>-a mo&#x017E;e se pobolj&#x0161;ati klini&#x010D;ki oporavak takvih bolesnika te omogu&#x0107;iti uspje&#x0161;no premo&#x0161;tenje do transplantacije srca ili kandidature za transplantaciju.</p>
</sec>
</body>
<back>
<ref-list>
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