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J Korean Surg Soc. 2011 Jul;81(1):35-42. English. Original Article.
Kim JD , Choi DL , Han YS .
Division of Hepatobiliary and Transplantation Surgery, Department of Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea.

PURPOSE: Portal vein thrombosis (PVT) has been considered a relative contraindication for living donor liver transplantation (LDLT). However, it is no longer a contraindication of LDLT due to improvement in surgical techniques and approaches to PVT. The aim of this study was to assess the impact of PVT on outcomes in LDLT patients. METHODS: We retrospectively analyzed the data from 97 adult patients undergoing LDLT in our center from July 2008 to June 2010. Intraoperative findings and preoperative imaging results were reviewed for PVT grading (Yerdel grading). We analyzed the technical aspects and comparisons of risk factors, perioperative variables, and survivals between patients with and without PVT based on the grades. RESULTS: In the 97 LDLT patients, 18 patients were confirmed to have PVT (18.5%) including grade I cases (n = 8), grade II (n = 7), and grade III (n = 3). Prior treatment of portal hypertension was found to be an independent risk factor for PVT (P = 0.001). The comparisons between PVT and no PVT groups showed no significant difference in intraoperative and postoperative variables except for postoperative bleeding (P = 0.036). The short-term portal vein patency, in-hospital mortality and survival rates were not significantly different between the PVT and control groups. CONCLUSION: The outcomes are similar to non-PVT group in terms of in-hospital mortality, survival rates, and postoperative complications. Therefore, our study suggests that PVT cannot be considered to be a contraindication for LDLT and LDLT could be undertaken without increased morbidity and mortality in patients with PVT, in spite of operative complexity.

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