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Feasibility of major liver resections in patients with hepatocellular carcinoma and liver cirrhosis using radiofrequent energy

dc.contributor.advisorMilićević, Miroslav
dc.contributor.otherJešić Vukićević, Rada
dc.contributor.otherŽuvela, Marinko
dc.contributor.otherStanković, Sanja
dc.creatorGalun, Danijel A.
dc.date.accessioned2018-12-26T14:29:26Z
dc.date.available2018-12-26T14:29:26Z
dc.date.available2020-07-03T08:46:00Z
dc.date.issued2018-07-16
dc.identifier.urihttp://eteze.bg.ac.rs/application/showtheses?thesesId=6384
dc.identifier.urihttps://nardus.mpn.gov.rs/handle/123456789/10465
dc.identifier.urihttps://fedorabg.bg.ac.rs/fedora/get/o:19074/bdef:Content/download
dc.identifier.urihttp://vbs.rs/scripts/cobiss?command=DISPLAY&base=70036&RID=50785295
dc.description.abstractkurativno lečenje primeni na što je moguće većem broju bolesnika. Budući da je transplantacija jetre ograničena definisanim kriterijumima i brojem donora, resekcija jetre predstavlja glavnu terapijsku opciju potencijalno kurativnog lečenja ali je ograničena funkcionalnim kapacitetom preostalog parenhima jetre. Radiofrekventna resekcija jetre uvažava sve principa savremene hirurgije jetre. Kako je hepatična cirkulacija kod ove tehnike prezervirana tokom transekcije parenhima, funkcija preostalog često cirotičnog parenhima jetre nije narušena ishemijsko-reperfuzionom lezijom. Time se resekcija jetre kao potencijalno kurativni modalitet lečenja može primeniti i kod bolesnika koji imaju ograničenu funkciju jetre. Cilj rada: Utvrditi izvodljivost velikih resekcija jetre kod bolesnika sa hepatocelularnim karcinomom na terenu cirotično imenjene jetre određivanjem postoperativnog morbiditeta i mortaliteta; odrediti preoperativne, intraoperativne i patohistološke prognostičke parametre povezane sa najvećim preživljavanjem i ispitati postoperativni oporavak funkcije cirotične jetre primenom statičkih i dinamičkih testova i merenjem nivoa TNFά i IL6 u prvih 48h posle resekcije jetre Metod: Kohortna studija delom retrospektivna delom prospektivna realizovana na Klinici za digestivnu hirurgiju Kliničkog centra Srbije u periodu od novembra 2001. godine do novembra 2012. godine. U navedenom periodu kod 41 bolesnika (20 sa cirozom, 21 bez ciroze jetre) sa histološki potvrđenim hepatocelularnim karcinomom urađena je radiofrekventna resekcije jetre i to velika resekcija (resekcija 3 i više segmenata). Isključeni su bolesnici sa mešovitim hepatocelularnim/holangiocelularnim karcinomom, bolesnici kod kojih je infiltrisana donja šuplja vena, glavno stablo portne vene i bolesnici sa ekstrahepatičnim širenjem bolesti. U studiji su korišćeni demografski podaci, anamnestički podaci, perioperativni parametri, patohistološke karakteristike tumora, laboratorijske analize, vrednosti lidokainskog testa, vrednosti nivoa TNFά i IL6 u serumu i tkivu jetre, praćen je postoperativni morbiditet i mortalitet. Za statističku obradu korišćen je statistički programski paket SPSS for Windows (18.0). Izbor testova za analizu numeričkih obeležja posmatranja vršen je zavisno od prirode njihove raspodele koja je ispitivana korišćenjem Koglomorov–Smirnov-og testa.U slučaju normalne raspodele podataka za testiranje razlike između dve grupe ispitanika korišćen je t-test dok je kod neparametarskih podataka korišćen Mann Whitney U test. Kaplan Majer-ovim krivama preživljavanja praćen je ishod kod ispitanika sa HCCom. Cox-ovom regresionom analizom ispitivani su prediktori preživljavanja. Granična vrednost za prihvatanje radne hipoteze postavljena je na p < 0.05 ...sr
dc.description.abstractBackground: Potentially curative treatment options should be addressed to as many as possible patients with hepatocellular carcinoma (HCC). Since liver transplantation is limited by defined criteria and by scanty donor pool liver resection is the main potentially curative treatment option. The extent of liver resection is limited by functional capacity of liver remnant. Radiofrequent (RF) liver resection respects all the principles of modern liver surgery. Since liver blood flow is maintained during transection of liver parenhyme when RF resection is used, functional capacity of liver remnant even being cirrhotic is not impaired by ishemic-reperfusion injury. Having this advantage RF resection as potentially curative treatment can be offered to patients with compromised liver function. Objective: To assess feasibility of major liver resection in patients with hepatocellular carcinoma in cirrhotic liver by analyzing postoperative morbidity and mortality; to determine preoperative, intraoperative and histology parameters associated to best clinical outcome; to assess postoperative recovery of liver function in cirrhotic livers using static and dynamic liver function tests and measuring TNFά and IL6 level during the first 48h after liver resection Method: The cohort study (partly retrospective, partly prospective) was done at University clinic for digestive surgery from November 2001 until November 2012. In that period 41 patients (20 pts with liver cirrhosis and 21 pt wtihout cirrhosis) with histology proven HCC had major liver resection using RF-assisted technique. The excluding criteria were patients with mixed hepatocellular and cholangiocellular carcinoma, patients with infiltration of major blood vessels and patients with extrahepatic spread. The following parameters were used – demographic data, anamnestic data, perioperative parameters, histopathology data, laboratory analysis, lidocain test, TNFά and IL6 level in serum and in liver tissue, postoperative morbidity and mortality. The statistical software package SPSS for Windows (18.0) was used for statistical analysis. Selection of tests for analysis of numerical observations was carried out depending on the nature of their distribution, which is examined using Koglomorov-Smirnov test. In case of normal distribution of data difference between the two groups was assessed by t-test; for nonparametric data Mann Whitney U test was used. Kaplan-Meier survival curves were used to assess the outcome of patients with HCC. Cox's regression analysis examined predictors of survival. Threshold for accepting working hypothesis was set at p <0.05...en
dc.formatapplication/pdf
dc.languagesr
dc.publisherУниверзитет у Београду, Медицински факултетsr
dc.rightsopenAccessen
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceУниверзитет у Београдуsr
dc.subjectResekcija jetresr
dc.subjectLiver resectionen
dc.subjectcirrhosisen
dc.subjectradiofrequent energyen
dc.subjecthepatocellular canceren
dc.subjectprimary liver tumoren
dc.subjectcirozasr
dc.subjectradiofrekventna energijasr
dc.subjecthepatocelularni karcinomsr
dc.subjectprimarni tumor jetresr
dc.titleIzvodljivost velikih resekcija jetre kod bolesnika sa hepatocelularnim karcinomom i cirozom jetre primenom radiofrekventne energijesr
dc.title.alternativeFeasibility of major liver resections in patients with hepatocellular carcinoma and liver cirrhosis using radiofrequent energyen
dc.typedoctoralThesisen
dc.rights.licenseBY-NC-ND
dc.identifier.fulltexthttps://nardus.mpn.gov.rs/bitstream/id/8190/IzvestajKomisije18635.pdf
dc.identifier.fulltexthttp://nardus.mpn.gov.rs/bitstream/id/8189/Disertacija.pdf
dc.identifier.fulltexthttp://nardus.mpn.gov.rs/bitstream/id/8190/IzvestajKomisije18635.pdf
dc.identifier.fulltexthttps://nardus.mpn.gov.rs/bitstream/id/8189/Disertacija.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_nardus_10465


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