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[Ischemic colitis and mesenteric ischemia after abdominal aortic reconstruction]
H U Würsten1, U Laffer, D Tassile
1Chirurgische Klinik, Regionalspital Biel, Schweiz.
Zentralblatt Fur Chirurgie
|March 4, 1999
Summary
Ischemic colitis, a rare condition, can be occlusive or non-occlusive. While some cases require surgery, most non-transmural ischemia cases resolve conservatively, though some may develop strictures.
Area of Science:
- Gastroenterology
- Vascular Surgery
- Colorectal Surgery
Context:
- Ischemic colitis is a rare condition with occlusive and non-occlusive forms.
- It can arise from vascular diseases, drug administration, or endotoxins/cytokines.
- A significant portion involves non-transmural or mucosal ischemia, often treatable conservatively.
Purpose:
- To discuss the classification, presentation, and management of ischemic colitis.
- To highlight the specific risks and diagnostic challenges of ischemic colitis post-aorto-iliac surgery.
- To review predictive factors and management strategies for mesenteric circulation compromise.
Summary:
- Ischemic colitis presents as occlusive or non-occlusive, with non-transmural cases having a favorable prognosis but potential for strictures.
- Post-aorto-iliac surgery, ischemic colitis is a rare but significant complication, more common in emergency and aneurysm repairs.
- Intraoperative assessment of inferior mesenteric artery backflow, stump pressure, fluorescein, and Doppler ultrasound aid in predicting mesenteric circulation adequacy.
Impact:
- Early detection and intervention, particularly for transmural lesions, can improve outcomes for this life-threatening complication.
- Identifying patients at risk for ischemic colitis after aorto-iliac surgery is crucial for timely management.
- Replantation of the inferior mesenteric artery may be advisable when mesenteric circulation is questionable.