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Related Experiment Videos

Small bowel hemorrhage: angiographic localization and intervention.

C L Tillotson1, S C Geller, L Kantrowitz

  • 1Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston 02114.

Gastrointestinal Radiology
|July 1, 1988
PubMed
Summary

Mesenteric angiography effectively locates occult small bowel bleeding in patients. This diagnostic imaging technique identifies bleeding sources even without active contrast extravasation, aiding in diagnosis.

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Area of Science:

  • Gastroenterology
  • Radiology
  • Vascular Imaging

Background:

  • Occult small bowel bleeding presents a diagnostic challenge.
  • Accurate localization is crucial for effective patient management.

Purpose of the Study:

  • To evaluate the utility of mesenteric angiography in localizing occult small bowel hemorrhage.
  • To determine if active bleeding is required for successful localization.

Main Methods:

  • Mesenteric angiography was performed on 64 patients with suspected occult small bowel bleeding.
  • Patients were categorized based on the presence (Group 1, n=38) or absence (Group 2, n=26) of contrast extravasation.
  • Non-extravasation findings suggestive of bleeding were analyzed in Group 2.

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Main Results:

  • Mesenteric angiography successfully localized bleeding sites in all patients.
  • Contrast extravasation identified the source in 38 patients.
  • In 26 patients, other angiographic findings, without active extravasation, indicated the bleeding source.

Conclusions:

  • Mesenteric angiography is a valuable tool for localizing occult small bowel bleeding.
  • Active bleeding is not a prerequisite for successful diagnosis using mesenteric angiography.
  • Non-extravasation findings provide crucial diagnostic information in suspected small bowel hemorrhage.