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Endoscopic treatment of biliary complications after liver transplantation

World Journal of Gastroenterology 2008年第26期14卷 4185-4189页

作者： Ilaria Tarantino Luca Barresi ioannis petridis Riccardo Volpes Mario Traina Bruno Gridelli Department of Gastroenterology Mediterranean Institute for Transplantation and Advanced Specialized Therapies (ISMETT)University of Pittsburgh Medical Center (UPMC)Palermo 90100Italy Department of Surgery Mediterranean Institute for Transplantation and Advanced Specialized Therapies (ISMETT)University of Pittsburgh Medical CenterPalermo 90100Italy

AIM： To evaluate the efficacy of endoscopic treatment in patients who undergo OLTx or LRLTx and develop biliary complications. METHODS： This is a prospective, observational study of patients who developed biliary complications, after OLTx and LRLTx, with duct-to-duct anastomosis performed between June 2003 and June 2007. Endoscopic Retrograde Cholangiopancreatography （ERCP） was considered unsuccessful when there was evidence of continuous bile leakage despite endoscopic stent placement, or persistence of stenosis after i year, despite multiple dilatation and stent placement. When the ERCP failed, a percutaneous trans-hepatic approach （PTC） or surgery was adopted. RESULTS： From June 2003 to June 2007, 261 adult patients were transplanted in our institute, 68 from living donors and 193 from cadaveric donors. In the OLTx group the rate of complications was 37.3%, while in the LRLTx group was 64.7%. The rate of ERCP failure was 19.4% in the OLTx group and 38.6% in LRLTx group. In OLTx group, i patient was retransplanted and 8 patients died. In the LRLTx group, 2 patients underwent OLTx and 8 patients died. The follow-up was 23.3±13.13 mo and 21.02± 14.10 mo, ***： Albhough ERCP is quite an effective mode of managing post-transplant bile duct complications, a significant number of patients need other types of approach. Further prospective studies are necessary in order to establish whebher obher endoscopic protocols or new devices, could improve bhe current results.

关键词： Endoscopic retrograde cholangiopancreatography Biliary complication Liver transplant Benignstenosis Biliary leak

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Transjugular intrahepatic portosystemic shunt with accidental diagnosis of persistence of the left superior vena cava

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World Journal of Gastroenterology 2010年第9期16卷 1158-1160页

作者： ioannis petridis Roberto Miraglia Gianluca Marrone Salvatore Gruttadauria Angelo Luca Giovanni Battista Vizzini Bruno Gridelli Department of Gastroenterology and Hepatology Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IsMeTT)University of Pittsburgh Medical Center Department of Diagnostic and Interventional Radiology Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IsMeTT)University of Pittsburgh Medical Center Department of Abdominal Surgery and Organ Transplantation Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IsMeTT)University of Pittsburgh Medical Center

Transjugular intrahepatic portosystemic shunt (TIPSS) is considered a valid therapeutic option for the treatment of portal hypertension and its *** guidelines for this procedure have already been established on the basis of the normal vascular anatomy and of various technical radiological *** some few rare cases,diagnosis of a congenital vascular anomaly can be made accidentally by interventional radiologists,making the procedure of the TIPSS placement extremely difficult or in some cases technically *** report describes a rare vascular malformation characterized by the absence of the right superior vena cava and persistence of the left superior vena cava in a patient with a diagnosis of advanced liver cirrhosis who needed a TIPSS placement in order to control refractory ascites.

关键词： Left superior vena cava persistence Liver cirrhosis Refractory ascites Transjugular intrahepatic portosystemic shunt

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Efficacy of transcatheter embolization/chemoembolization (TAE/TACE) for the treatment of single hepatocellular carcinoma

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World Journal of Gastroenterology 2007年第21期13卷 2952-2955页

作者： Roberto Miraglia Giada Pietrosi Luigi Maruzzelli ioannis petridis Settimo Caruso Gianluca Marrone Giuseppe Mamone Giovanni Vizzini Angelo Luca Bruno Gridelli Istituto Mediterraneo Trapianti e Terapie ad Alta Specializzazione (IsMeTT).University of Pittsburgh Medical Center Italy

AIM:To investigate the efficacy of transcatheter embolization/chemoembolization (TAE/TACE) in cirrhotic patients with single hepatocellular carcinoma (HCC) not suitable for surgical resection and percutaneous ablation therapy. METHODS:A cohort of 176 consecutive cirrhotic patients with single HCC undergoing TAE/TACE was reviewed; 162 patients had at least one image examination (helical CT scan or triphasic contrastenhanced MRI) after treatment and were included into the study. TAE was performed with Lipiodol followed by Gelfoam embolization; TACE was performed with Farmorubicin prepared in sterile drip at a dose of 50 mg/m2,infused over 30 min using a peristaltic pump,and followed by Lipiodol and Gelfoam embolization. RESULTS:Patients characteristics were:mean age,62 years; male/female 117/45; Child-Pugh score 6.2 ± 1.1; MELD 8.7 ± 2.3; mean HCC size,3.6 (range 1.0-12.0) cm. HCC size class was ≤ 2.0 cm,n = 51; 2.1-3.0 cm,n = 35; 3.1-4.0 cm,n = 29; 4.1-5.0 cm,n = 22; 5.1-6.0 cm,n = 11; and > 6.0 cm,n = 14. Patients received a total of 368 TAE/TACE (mean 2.4 ± 1.7). Complete tumor necrosis was obtained in 94 patients (58%),massive (90%-99%) necrosis in 16 patients (10%),partial (50%-89%) necrosis in 18 patients (11%) and poor ( 6.0 cm,respectively. Kaplan-Mayer survival at 24-mo was 88%,68%,59%,59%,45%,and 53% for lesions of ≤ 2.0,2.1-3.0,3.1-4.0,4.1-5.0,5.1-6.0,and > 6.0 cm,respectively. CONCLUSION:Our study showed that in cirrhotic patients with single HCC smaller than 6.0 cm,TAE/TACE produces complete local control of tumor in a significant proportion of patients. TAE/TACE is an effective therapeutic option in patients with single HCC not suitable for surgical resection or percutaneous ablation therapies. Further studies should investigate if the new available embo

关键词： Transcatheter embolization/chemoembolization Hepatocellular carcinoma

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Predictive factors of tumor response to trans-catheter treatment in cirrhotic patients with hepatocellular carcinoma:A multivariate analysis of pre-treatment findings

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World Journal of Gastroenterology 2007年第45期13卷 6022-6026页

作者： Roberto Miraglia Giada Pietrosi Luigi Maruzzelli ioannis petridis Settimo Caruso Gianluca Marrone Giuseppe Mamone Giovanni Vizzini Angelo Luca Bruno Gridelli Department of Radiology Mediterranean Institute for Transplantation and A dvanced Specialized Therapies(IsMeTT)University of Pittsburgh Medical Center Palermo90127Italy Department of Hepatology Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IsMeTT) University of Pittsburgh Medical Center Palermo 90127 Italy Department of Transplantation Surgery Mediterranean Institute for Transplantation and AdvancedSpecialized Therapies (IsMeTT) University of Pittsburgh MedicalCenter Palermo 90127 Italy

AIM： To elucidate the pre-treatment clinical and imaging findings affecting the tumor response to the transcatheter treatment of unresectable hepatocellular carcinoma （HCC）. METHODS： Two hundred cirrhotic patients with HCC received a total of 425 transcatheter treatments. The tumor response was evaluated by helical CT and a massive necrosis （MN） was defined as a necrosis 〉 90%. Twenty-five clinical and imaging variables were analyzed： uninodular/multinodular HCC, unilobar/bilobar, tumor capsula, hypervascular lesion, portal vein thrombosis, portal hypertension, ascites, platelets count, aspartate transaminases/alanine transaminases （AST/ALT）, alfa- fetoprotein （AFP）〉 100, AFP 〉 400, serum creatinine, virus hepatitis C （VHC） cirrhosis, performance status, age, Okuda stage, ChUd-Pugg stage, sex, CLIP （Cancer of the Liver Italian Program） score, serum bilirubin, constitutional syndrome, serum albumine, prothrombin activity, BCLC （Barcelona Clinic Liver Cancer） stage. Prognostic factors of response were subjected to univariate analysis and thereafter, when significant, to the multivariate analyses. RESULTS： On imaging analysis, complete response wasobtained in 60 （30%） patients, necrosis 〉 90% in 38 （19%） patients, necrosis 〉 50% in 44 （22%） patients, and necrosis 〈 50% in 58 （29%） patients. Ninety-eight （49%） of the 200 patients were considered to have a MN. In univariate analysis, significant variables （P 〈 0.01） were： uninodular tumor, unilobar, tumor size 2-6 cm, CLIP score 〈 2, absence of constitutional syndrome, and BCLC stage 〈 2. In a multivariate analysis, the variables reaching statistical significance were： presence of tumor capsule （P 〈 0.0001）, tumor size 2-6 cm （P 〈 0.03）, CLIP score 〈 2 （P 〈 0.006）, and absence of constitutional syndrome （P 〈 0.03）. Kaplan-Mayer cumulative survival at 12 mo was 80% at 24 mo was 56%. MN was associated with a longer survival （P 〈 0.0001）. CONCLUSION： MN after transcatheter treatment is more common in the presence of tumor

关键词： Hepatocellular carcinoma Trans-catheterembolization/chemoembolization Tumor response

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