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Medical Science Monitor Basic Research


eISSN: 2329-0358

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The “W” Technique: A Safe and Reproducible Technique for Hepatic Artery Reconstruction in Living Donor Liver Transplantation

Vinay Kumaran, Sorabh Kapoor, Shailesh Sable, Barun Nath, Vibha Varma

(Department of Surgery (Transplant), Hume Lee Transplant Center, Virginia Commonwealth University, Richmond, VA, USA)

Ann Transplant 2021; 26:e926979

DOI: 10.12659/AOT.926979

BACKGROUND: Reconstruction of the hepatic arterial inflow can be technically demanding in living donor liver transplantation, and thrombosis can result in graft loss and mortality. We describe the safe and reproducible “W” technique to reconstruct the hepatic artery and outcomes before and after adoption of the technique in a consecutive series of liver transplants at 2 high-volume living donor liver transplant centers.
MATERIAL AND METHODS: Prospectively collected data were analyzed to compare the outcomes before and after introduction of a standardized “W” technique for reconstruction of the hepatic artery in 2 high-volume living donor liver transplant programs.
RESULTS: In a consecutive series of 675 liver transplants, of which 27 were deceased donor transplants and 648 were living donor transplants, 443 transplants were performed with a standard interrupted reconstruction of the hepatic artery under loupes. These transplants were performed by a single surgeon, with an incidence of hepatic artery thrombosis of 2%. After introduction of the “W” technique, despite the arterial reconstruction being done by several surgeons in the early part of their learning curve, the incidence of hepatic artery thrombosis decreased to 0.86% in the next 232 transplants.
CONCLUSIONS: The “W” technique is a simple, easy to learn and teach technique for reconstruction of the hepatic artery without the use of the operating microscope in living donor liver transplantation.

Keywords: Hepatic Artery, Liver Transplantation, Living Donors

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