Outcomes after redo procedures for failed mesenteric revascularization

Mary E Giswold1, Gregory J Landry, Lloyd M Taylor

  • 1Division of Vascular Surgery, Oregon Health and Sciences University, Portland, OR 97201, USA.

Insights

Repeat mesenteric revascularization offers effective survival benefits for patients with mesenteric ischemia when initial interventions fail. This study highlights the importance of secondary revascularization procedures in managing complex vascular conditions.

Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Interventional Cardiology

Background:

  • Mesenteric ischemia, a serious condition affecting blood supply to the intestines, can necessitate repeat interventions.
  • Splanchnic revascularization procedures aim to restore blood flow but may fail, requiring further treatment.
  • Identifying outcomes of repeat mesenteric revascularization is crucial for patient management.

Purpose of the Study:

  • To evaluate the outcomes of repeat mesenteric revascularization procedures.
  • To assess the efficacy and safety of secondary interventions for failed splanchnic revascularization.
  • To analyze patency rates and survival following repeat mesenteric revascularization.

Main Methods:

  • Retrospective analysis of a prospectively maintained registry of patients undergoing repeat mesenteric revascularization between January 1985 and July 2002.
  • Exclusion of patients with embolic events.
  • Data collection on procedures, indications, complications, mortality, patency, and survival.

Main Results:

  • 22 patients underwent 33 repeat mesenteric revascularization procedures, including bypasses, angioplasty, and thrombectomies.
  • Complication rate was 33.3%, with a 6.1% perioperative mortality, primarily in acute mesenteric ischemia cases.
  • One- and 4-year primary patency rates were 73.5% and 62.2%, respectively; survival rates were 85.9% and 75.5%.

Conclusions:

  • Repeat mesenteric revascularization is an effective strategy for prolonging survival in patients with previously failed interventions.
  • Secondary revascularization procedures demonstrate acceptable patency and survival outcomes.
  • Careful consideration of repeat interventions is warranted for patients with mesenteric ischemia requiring further management.

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