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Lower gastrointestinal bleeding and ischemic colitis.

Jamie R Newman1, Mary Anne Cooper

  • 1Division of Gastroentorology, Sunnybrook and Women's College Health Sciences Centre, University of Toronto, Toronto, Canada.

Canadian Journal of Gastroenterology = Journal Canadien De Gastroenterologie
|October 4, 2002
PubMed
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Ischemic colitis is a significant cause of lower gastrointestinal bleeding, particularly in younger women using estrogen. This condition is more prevalent in women than men and was the second leading cause of LGI bleeding in the study.

Area of Science:

  • Gastroenterology
  • Clinical Medicine
  • Epidemiology

Background:

  • Lower gastrointestinal (LGI) bleeding is a common clinical presentation.
  • Ischemic colitis is one potential cause of LGI bleeding, with varying incidence and characteristics.
  • Understanding the specific features of LGI bleeding due to ischemic colitis is crucial for diagnosis and management.

Purpose of the Study:

  • To compare the incidence and clinical characteristics of lower gastrointestinal bleeding (LGI) caused by ischemic colitis versus other etiologies.
  • To identify demographic and clinical differences between patients with ischemic colitis and those with LGI bleeding from other sources.

Main Methods:

  • A retrospective chart review was conducted.
  • Patients admitted with LGI bleeding between July 1997 and January 2000 were analyzed.

Related Experiment Videos

  • Data on patient demographics, bleeding causes, and clinical outcomes were collected.

    • Main Results:

    • Ischemic colitis accounted for 24 of 124 LGI bleeding cases, making it the second most common cause after diverticulosis (62 cases).
    • Patients with ischemic colitis were statistically younger than those with diverticular bleeding and other causes.
    • A higher proportion of women with ischemic colitis (44.4%) were using estrogen therapy compared to other LGI bleeding groups.

    Conclusions:

    • Ischemic colitis is a notable cause of lower gastrointestinal bleeding.
    • Lower gastrointestinal bleeding affects women more frequently than men.
    • Estrogen use was significantly more common among women experiencing ischemic colitis-related LGI bleeding.