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Related Experiment Videos

Investigating painless rectal bleeding--is there scope for improvement?

Glen Clarke1, Andrew Robb, Ian Sugarman

  • 1Royal Belfast Hospital for Sick Children, BT12 6BE, Belfast, Northern Ireland, UK.

Journal of Pediatric Surgery
|December 13, 2005
PubMed
Summary

For children with recurrent rectal bleeding, total colonoscopy significantly improves diagnostic yield compared to limited endoscopy. This is especially true for diagnosing inflammatory bowel disease.

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Area of Science:

  • Pediatric Gastroenterology
  • Diagnostic Yield
  • Colorectal Endoscopy

Background:

  • Recurrent painless rectal bleeding in children often necessitates lower gastrointestinal tract endoscopic examination.
  • Current practice frequently limits endoscopy to the rectum or distal colon.

Purpose of the Study:

  • To compare the diagnostic yield of limited colorectal endoscopy versus total colonoscopy in pediatric patients with recurrent painless rectal bleeding.

Main Methods:

  • Retrospective review of 314 pediatric patients (1-15 years) undergoing colorectal endoscopy for rectal bleeding.
  • Comparison between 206 total colonoscopies and 108 limited endoscopies (rectum, sigmoid, descending, transverse colon).
  • Diagnosis based on endoscopic and histological findings.

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Main Results:

  • Total colonoscopy established a diagnosis in 70% of children, significantly higher than the 35% yield from limited endoscopy (P < .001).
  • The diagnostic advantage of total colonoscopy was most pronounced in identifying inflammatory bowel disease.
  • Juvenile polyp detection rates were similar between groups, consistent with their rectosigmoid prevalence.

Conclusions:

  • Total colonoscopy is crucial for establishing a diagnosis in the majority of children with painless rectal bleeding.
  • This approach is particularly effective for diagnosing inflammatory bowel disease in this pediatric population.
  • Full colonoscopy is recommended unless a rectal polyp is specifically suspected.