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Endovascular Exclusion of Hepatic Artery Pseudoaneurysm after Living-Donor Liver Transplantation with a Stent-Graft Using Conical Remodeling: A Case Report

대한영상의학회지 2019년 80권 3호 p.555 ~ 561
 ( Baek Seung-Dae ) - Catholic University of Daegu College of Medicine Daegu Catholic University Medical Center Department of Radiology

 ( Kang Ung-Rae ) - Catholic University of Daegu College of Medicine Daegu Catholic University Medical Center Department of Radiology
 ( Kim Young-Hwan ) - Catholic University of Daegu College of Medicine Daegu Catholic University Medical Center Department of Radiology

Abstract


Hepatic artery complications after liver transplantation include hepatic artery thrombosis, stenosis, pseudoaneurysm (PA), and others. Among these complications, hepatic artery PA is reported to have a low incidence, but it is associated with a devastating and often fatal outcome and a high risk of rupture. Herein, we present the case of a 56-year-old male patient who underwent living-donor liver transplantation because of alcoholic liver cirrhosis. A silent PA of the hepatic artery proper was detected incidentally on computed tomography scan during routine follow-up 15 days after surgery, and was successfully excluded by implantation of a coronary balloon-expandable stent-graft using ‘conical remodeling’ by two-step ballooning. This technique can be effectively used for PA of visceral arteries with tapering-small diameter, in which flow preservation is critical to patient care.

키워드

Hepatic Artery; Liver Transplantation; Pseudoaneurysm; Stent
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