J Korean Soc Radiol.  2019 May;80(3):555-561. 10.3348/jksr.2019.80.3.555.

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

Affiliations
  • 1Department of Radiology, Daegu Catholic University Medical Center, Catholic University of Daegu College of Medicine, Daegu, Korea. urkang@cu.ac.kr

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 "ňúconical 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.


MeSH Terms

Aneurysm, False*
Arteries
Constriction, Pathologic
Fatal Outcome
Follow-Up Studies
Hepatic Artery*
Humans
Incidence
Liver Cirrhosis, Alcoholic
Liver Transplantation*
Liver*
Male
Middle Aged
Patient Care
Rupture
Stents
Thrombosis
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