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Long-term patency of open revascularization for visceral artery pathologies

B Dorweiler1, A Neufang, J Schneider

  • 1Department of Cardiothoracic & Vascular Surgery, University Medical Center, Mainz, Germany. dorweiler@htg.klinik.uni-mainz.de

Insights

Bypass grafting for visceral artery disease is a successful and durable procedure, despite increased perioperative mortality. Long-term patency rates were favorable in this study of visceral artery bypass grafts.

Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Cardiovascular Medicine

Background:

  • Visceral artery diseases, including occlusive and aneurysmal conditions, pose significant challenges in vascular surgery.
  • Effective revascularization strategies are crucial for managing these complex pathologies.

Purpose of the Study:

  • To evaluate the long-term patency of bypass grafts utilized in the treatment of occlusive and aneurysmal visceral artery diseases.
  • To assess survival and freedom from reintervention as secondary endpoints.

Main Methods:

  • Retrospective analysis of 30 patients undergoing 32 operations for visceral artery pathology (January 1995 - December 2009).
  • Patient cohort included acute mesenteric ischemia (aMI), chronic mesenteric ischemia (cMI), and visceral artery aneurysm (VAn).
  • Primary endpoint: vessel patency; Secondary endpoints: survival and freedom from reintervention.

Main Results:

  • 46 vessels were revascularized, with 26 bypass grafts used.
  • Perioperative mortality was 50% for aMI and 7% for cMI.
  • At 55-month follow-up, 3 out of 26 bypass grafts occluded, indicating durable patency.

Conclusions:

  • Bypass grafting for visceral artery pathology is a successful and durable procedure.
  • While perioperative mortality is a consideration, long-term outcomes support the efficacy of bypass grafting.
Abstract