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Related Experiment Videos

Perianal appearances associated with constipation.

U Agnarsson1, C Warde, G McCarthy

  • 1Royal Alexandra Hospital for Sick Children, Brighton, East Sussex.

Archives of Disease in Childhood
|November 1, 1990
PubMed
Summary
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No single perianal sign definitively indicates childhood constipation. This study found fissures and anal dilatation in many children, but these signs often co-occurred with fecal loading or other perianal conditions.

Area of Science:

  • Pediatrics
  • Gastroenterology
  • Dermatology

Background:

  • Childhood constipation is a common condition.
  • Perianal signs are often observed in constipated children.
  • Standardization of examination techniques is lacking.

Purpose of the Study:

  • To prospectively investigate perianal appearances in constipated children.
  • To identify any pathognomonic signs of constipation in the perianal region.
  • To assess the association between specific perianal signs and constipation severity.

Main Methods:

  • Prospective study of 136 constipated children (mean age 3.9 years).
  • Recorded perianal signs: anal dilatation, fissures, tags, warts, edema, redness, blueness, veins.
  • Assessed anal dilatation timing and fecal loading.

Related Experiment Videos

  • Correlated perianal signs with fecal loading and each other.

    • Main Results:

    • Anal dilatation found in 18% of children, more common with fecal loading.
    • Fissures observed in 26% and tags in 5%.
    • Perianal redness associated with fissures; blueness associated with dilatation.

    Conclusions:

    • No single perianal sign is pathognomonic for childhood constipation.
    • Fecal loading and other perianal signs frequently accompany observed findings.
    • Standardization of the anal examination technique is recommended.