Liver transplantation in a patient with complex anomaly of the inferior vena cava

Background: After the introduction of noninvasive imaging exams, congenital anomalies of the inferiorvena cava (IVC) have become more commonly recognized. We report the first successful orthotopic livertransplantation (OLT) performed in an asymptomatic adult with complex IVC anomaly: duplication of theinfrarenal IVC, azygos continuation of the IVC, agenesia of the hepatic portion of the IVC and presence of severalanomalous veins communicating the common iliac vein and the IVC of one side with the contralateral side.Methods: This complex anomaly was diagnosed with a venous abdominal angio CT.Results: At liver transplantation, the short suprahepatic portion of the IVC was identified and clamped.The right, middle, and left hepatic veins were sectioned and joined in a single, wide cuff, using venoplasty.This single orifice was anastomosed to the suprahepatic IVC of the new liver. No venovenous bypass wasemployed. The patient had an uneventful postoperative course. A post transplantation venous abdominalangio CT showed normal blood flow at the anastomosis of the hepatic veins of the receptor and the IVC ofthe new liver.Conclusions: This report is important to alert liver transplant teams of the possibility of complex IVCin asymptomatic adult individuals. Identification of these anatomical anomalies is vital to reduce the risk ofserious hemorrhage and other operative complications during OLT.