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Constipation caused by functional outlet obstruction.

Claudia P Sanmiguel1, Edy E Soffer

  • 1Department of Gastroenterology, The Cleveland Clinic Foundation, A30, 9500 Euclid Avenue, Cleveland, OH 44195, USA. soffere@ccf.org

Current Gastroenterology Reports
|September 10, 2003
PubMed
Summary
This summary is machine-generated.

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Functional outlet obstruction, a common cause of constipation, is diagnosed using anorectal manometry and rectal evacuation tests. Biofeedback training offers a safe and effective treatment for this condition.

Area of Science:

  • Gastroenterology
  • Colorectal Surgery

Background:

  • Functional constipation is a prevalent condition in Western societies.
  • Functional outlet obstruction (FOO) is a subset of functional constipation characterized by specific symptoms.

Purpose of the Study:

  • To review diagnostic tests for functional outlet obstruction.
  • To summarize current therapeutic options for functional outlet obstruction.

Main Methods:

  • Anorectal manometry
  • Electromyography
  • Rectal evacuation tests

Main Results:

  • Abnormal patterns include impaired anal sphincter relaxation/contraction and difficult rectal evacuation.
  • Biofeedback training is a highly specific and safe therapeutic modality.

Related Experiment Videos

Conclusions:

  • Accurate diagnosis of FOO relies on specific anorectal functional tests.
  • Biofeedback presents a safe and effective treatment strategy for FOO.