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Passive expansion of sub-maximally dilated transjugular intrahepatic portosystemic shunts and assessment of clinical outcomes

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World Journal of Hepatology 2017年第12期9卷 603-612页

作者： michael c Hsu charles N Weber S William Stavropoulos Timothy W clark Scott O Trerotola Richard D Shlansky Goldberg michael c soulen Gregory J Nadolski Department of Radiology Division of Interventional RadiologyMount Sinai Hospital Department of Radiology Division of Interventional RadiologyHospital of the University of Pennsylvania

AIM To assess for passive expansion of sub-maximally dilated transjugular intrahepatic portosystemic shunts(TIPS) and compare outcomes with maximally dilated *** Polytetrafluoroethylene covered TIPS(Viatorr) from July 2002 to December 2013 were retrospectively reviewed at two hospitals in a single institution. Two hundred and thirty patients had TIPS maximally dilated to 10 mm(m TIPS), while 43 patients who were at increased risk for hepatic encephalopathy(HE), based on clinical evaluation or low pre-TIPS portosystemic gradient(PSG), had 10 mm TIPS sub-maximally dilated to 8 mm(sm TIPS). Group characteristics(age, gender, Model for End-Stage Liver Disease score, post-TIPS PSG and clinical outcomes were compared between groups, including clinical success(ascites or varices), primary patency,primary assisted patency, and severe post-TIPS HE. A subset of fourteen patients with sm TIPS underwent follow-up computed tomography imaging after TIPS creation, and were grouped based on time of imaging( 6 mo). change in diameter and crosssectional area were measured with 3D imaging software to evaluate for passive *** Patient characteristics were similar between the sm TIPS and m TIPS groups, except for pre-TIPS portosystemic gradient, which was lower in the sm TIPS group(19.4 mm Hg ± 6.8 vs 22.4 mm Hg ± 7.1, P = 0.01). Primary patency and primary assisted patency between sm TIPS and m TIPS was not significantly different(P = 0.64 and 0.55, respectively). Four of the 55 patients(7%) with sm TIPS required TIPS reduction for severe refractory HE, while this occurred in 6 of the 218 patients(3%) with m TIPS(P = 0.12). For the 14 patients with follow-up computed tomography(cT) imaging, the median imaging follow-up was 373 d. There was an increase in median TIPS diameter, median percent diameter change, median area, and median percent area change in patients with cT follow-up greater than 6 mo after TIPS placement compared to follow-up within 6 mo(

关键词： Variceal hemorrhage Portal hypertension Transjugular intrahepatic portosystemic shunts Ascites Sub-maximal dilation Underdilated Passive expansion Hepatic encephalopathy

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