Hepatic artery complications after liver transplantation

F Sánchez-Bueno1, R Robles, P Ramírez

  • 1Department of General Surgery, Virgen de la Arrixaca University Hospital, Murcia, Spain.

Insights

Arterial complications after liver transplants are rare but serious. This study found a 6% complication rate, yet 75% of those patients died, highlighting the critical nature of these vascular events.

Area of Science:

  • Hepatobiliary Surgery
  • Vascular Surgery
  • Transplant Surgery

Background:

  • Orthotopic liver transplantation (OLT) is a life-saving procedure for end-stage liver disease.
  • Vascular complications, particularly arterial issues, can significantly impact OLT outcomes.
  • Understanding the incidence and impact of arterial complications is crucial for improving patient survival.

Purpose of the Study:

  • To analyze the incidence and types of arterial complications following orthotopic liver transplantation (OLT).
  • To assess the outcomes and mortality associated with these arterial complications.
  • To determine if donor arterial anomalies are associated with post-transplant complications.

Main Methods:

  • Retrospective review of 100 orthotopic liver transplants (OLT) in 87 consecutive patients.
  • Detailed analysis of all documented arterial complications, including thrombosis, stenosis, and aneurysm rupture.
  • Evaluation of donor liver arterial anatomy for pre-existing malformations.
  • Calculation of 1-year actuarial survival rates.

Main Results:

  • Six arterial complications occurred in 4 out of 87 patients (6.9% incidence).
  • Complications included arterial thrombosis (4), arterial stenosis (1), and ruptured mycotic aortic aneurysm (1).
  • No arterial complications were linked to the 29 identified donor arterial malformations.
  • Mortality rate among patients with arterial complications was high (75%), with 3 out of 4 patients dying.

Conclusions:

  • Arterial complications following OLT are infrequent but associated with a high mortality rate.
  • Donor arterial anomalies did not correlate with the occurrence of post-transplant arterial complications in this series.
  • Vigilance and prompt management of arterial complications are essential for improving OLT outcomes.