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Intestinal ischemia after aortic surgery

M Porcellini1, A Renda, L Selvetella

  • 1Department of Vascular Surgery, Federico II University, Naples, Italy.

International Surgery
|April 1, 1996
PubMed
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Intestinal ischemia following abdominal aortic surgery is a severe complication with high mortality. Early diagnosis and management are crucial but often delayed, leading to poor surgical outcomes.

Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Critical Care Medicine

Background:

  • Intestinal ischemia is a life-threatening complication after abdominal aortic surgery.
  • Identifying risk factors and optimizing management are critical for improving patient outcomes.

Purpose of the Study:

  • To evaluate the pathogenesis, diagnostic methods, and management strategies for postoperative intestinal ischemia.
  • To analyze outcomes in patients who developed ischemic lesions of the small bowel or colon.

Main Methods:

  • Retrospective review of 12 patients with postoperative small bowel or colonic ischemic lesions between 1983 and 1995.
  • Analysis of preoperative angiography, intraoperative findings, diagnostic procedures (colonscopy), and surgical interventions.
  • Assessment of patient outcomes, including mortality and long-term sequelae.

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Main Results:

  • Nine patients had preoperative occlusion of the inferior mesenteric artery (IMA); two asymptomatic diabetics had superior mesenteric artery (SMA) occlusive disease.
  • Diagnosis was often delayed due to non-specific symptoms, with colonscopy revealing suspected ischemic colitis or necrotic lesions.
  • High mortality rate (66.6%) observed, with reoperation leading to poor outcomes in most cases; non-operative management resulted in late stricture in one patient.

Conclusions:

  • Postoperative intestinal ischemia is associated with significant morbidity and mortality.
  • Delayed diagnosis and non-specific symptoms contribute to unsuccessful surgical repair.
  • Preserving hypogastric circulation and careful management of vascular reconstruction are important considerations.