Abstract
To assess the 2-year effectiveness and safety of balloon-occluded retrograde transvenous obliteration (BRTO) for gastric varices (GVs) in liver transplant recipients. Eleven liver transplant recipients underwent consecutive BRTO for GVs at four institutions. Patients included eight (73%) men and three (27%) women with mean age of 56years±12 (SD) (range: 26-67years). Underlying cause of liver transplantation was hepatitisC virus (HCV)-related cirrhosis in five (45%), alcohol- and HCV-related cirrhosis in three (27%), primary biliary cirrhosis in two (18%), and alcoholic cirrhosis in one (9%). Five (45%) patients underwent BRTO for actively bleeding GVs, three (17%) for high-risk GVs, and three (17%) for augmentation of portal venous flow through obliteration of gastrorenal shunts. Mean time between liver transplantation and BRTO was 78months (range: 0.1-276months). Technical success, GVs obliterative rates, and immediate complications were recorded. Post-BRTO hemorrhagic, transplant, and overall survival rates were evaluated at 6, 12, and 24months. All (100%) procedures were technically successful. Complete GVs obliteration was achieved in ten patients (91%). Two major complications (18%) occurred in the immediate post-procedure period. One patient developed complete portal vein thrombosis, and another patient developed consumptive coagulopathy, ultimately leading to death. No post-BRTO hemorrhagic recurrences were seen at 6, 12, or 24months. One patient (9%) had delayed upper gastrointestinal bleeding at 34months after the procedure which was managed conservatively. Transplant and overall survival rates were 91% at 6, 12, and 24months. BRTO has high technical success and complete GVs obliterative rates in liver transplant recipients with few complications and high graft survival rates.
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