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Related Experiment Videos

Proctographic features of anismus

S Halligan1, C I Bartram, H J Park

  • 1Department of Radiology, St Mark's Hospital, Harrow, Middlesex, England.

Radiology
|December 1, 1995
PubMed
Summary
This summary is machine-generated.

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Anismus diagnosis using evacuation proctography shows prolonged and incomplete stool evacuation. Delayed initiation and reduced anal canal width are key indicators, not anorectal angle measurements.

Area of Science:

  • Gastroenterology
  • Radiology
  • Pelvic Floor Disorders

Background:

  • Anismus, a functional defecation disorder, presents diagnostic challenges.
  • Evacuation proctography is a key imaging modality for evaluating defecation.

Purpose of the Study:

  • To characterize proctographic findings in anismus.
  • To identify optimal radiologic measurements for diagnosing anismus.

Main Methods:

  • Evacuation proctography was performed on 24 anismus patients and 20 controls.
  • Structural and functional parameters were compared between groups.

Main Results:

  • Anismus patients exhibited delayed evacuation initiation (9 vs 3s) and prolonged evacuation time (50 vs 10s).

Related Experiment Videos

  • Reduced anal canal width (0.6 vs 1.2cm) and decreased contrast evacuation percentage (60% vs 100%) were observed in anismus patients.
  • Incomplete evacuation (<66% in 30s) was specific to anismus patients.

    • Conclusions:

    • Anorectal angle measurements are unreliable for anismus diagnosis.
    • Delayed, prolonged, and incomplete evacuation are hallmark features of anismus.
    • Incomplete evacuation after 30 seconds strongly suggests anismus.