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Related Experiment Videos

Investigating chronic, bright red, rectal bleeding.

D Mehanna1, C Platell

  • 1Department of Surgery, University of Western Australia, Fremantle Hospital, Fremantle, Australia.

ANZ Journal of Surgery
|March 22, 2002
PubMed
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Flexible sigmoidoscopy is effective for evaluating chronic rectal bleeding in low-risk patients with identified anal causes. This procedure has a low yield for detecting colorectal neoplasia in this specific patient group.

Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Diagnostic Endoscopy

Background:

  • Chronic, bright red rectal bleeding is common, often due to benign anal conditions.
  • Identifying the cause of bleeding is crucial for appropriate patient management.
  • Low-risk patients with identified anal bleeding sources warrant specific diagnostic evaluation.

Purpose of the Study:

  • To assess the efficacy of flexible sigmoidoscopy in low-risk patients with chronic rectal bleeding.
  • To determine the diagnostic yield of flexible sigmoidoscopy when an anal source of bleeding is already identified.
  • To evaluate the detection rate of colorectal neoplasia in this patient cohort.

Main Methods:

  • Prospective study of patients with chronic, bright red rectal bleeding.

Related Experiment Videos

  • Inclusion criteria: <55 years, no history of neoplasia/IBD, no altered bowel habit/pain, identified anal cause on rigid sigmoidoscopy.
  • All eligible patients underwent flexible sigmoidoscopy.

    • Main Results:

    • Eighty-two low-risk patients (mean age 39) were included.
    • Hemorrhoids (96%) and anal fissures (4%) were the identified anal causes.
    • Flexible sigmoidoscopy detected adenomatous polyps in 6% of patients; rigid sigmoidoscopy missed these lesions.

    Conclusions:

    • Flexible sigmoidoscopy has a low yield for detecting colorectal neoplasia in low-risk patients with identified anal bleeding sources.
    • The procedure is valuable for confirming the absence of significant upper gastrointestinal pathology.
    • This study supports a targeted approach to investigating rectal bleeding.