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Updated: May 5, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis
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Ischemic colitis after abdominoperineal resection.

J Wittenberg, P O'Sullivan, L Williams

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    |December 11, 1975
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    Summary
    This summary is machine-generated.

    Ischemic colitis can occur years after abdominoperineal resection (APR). Reduced collateral circulation in the remaining colon after APR surgery may increase the risk of developing this condition.

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    Area of Science:

    • Gastroenterology
    • Colorectal Surgery

    Background:

    • Abdominoperineal resection (APR) is a major surgical procedure for rectal conditions.
    • Post-surgical complications, such as ischemic colitis, can arise after APR.

    Observation:

    • This study describes four cases of ischemic colitis.
    • These cases occurred between 3 months and 7 years post-APR.

    Findings:

    • In three of the four cases, the direct arterial supply to the ischemic segment remained patent.
    • The absence of collateral circulation from the resected colon segment was noted.

    Implications:

    • The findings suggest that reduced collateral circulation post-APR may elevate the risk of ischemic colitis in the remaining colon.
    • This highlights the importance of vascular considerations in colorectal surgery outcomes.