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Ischemic colitis

S K Gandhi1, M M Hanson, A M Vernava

  • 1Department of Surgery, Section of Colon and Rectal Surgery, St. Louis University School of Medicine, St. Louis, Missouri 63310-0250, USA.

Diseases of the Colon and Rectum
|January 1, 1996
PubMed
Summary
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Ischemic colitis, a common gastrointestinal ischemia, presents with bloody diarrhea. Its management and prognosis vary based on severity, ranging from medical treatment for milder forms to urgent surgery for severe gangrenous cases.

Area of Science:

  • Gastroenterology
  • Vascular Surgery
  • Colorectal Surgery

Background:

  • Ischemic colitis is the most frequent type of gastrointestinal ischemia.
  • It often occurs without major blood vessel blockage and in the presence of healthy intestine elsewhere.
  • Clinical settings like shock can predispose individuals to this condition.

Purpose of the Study:

  • To review the clinical spectrum of ischemic colitis.
  • To discuss its classification, presentation, diagnosis, and management.
  • To highlight special considerations in specific patient populations.

Main Methods:

  • Classification into gangrenous and nongangrenous (transient, chronic) forms.
  • Diagnosis confirmed via colonoscopy.
  • Therapy and outcomes assessed based on disease severity.

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Main Results:

  • Nongangrenous ischemic colitis typically requires medical management with a good prognosis.
  • Chronic subtypes may lead to persistent colitis or strictures, potentially needing surgery.
  • Gangrenous ischemic colitis necessitates urgent surgery and is associated with high morbidity and mortality.

Conclusions:

  • Ischemic colitis management is tailored to disease severity.
  • Early recognition and appropriate intervention are crucial for patient outcomes.
  • Special attention is required for patients with co-existing conditions or specific surgical histories.