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Artificial anal sphincter

W D Wong1, L L Jensen, D C Bartolo

  • 1Division of Colon and Rectal Surgery, University of Minnesota Medical School, Minneapolis, USA.

Diseases of the Colon and Rectum
|December 1, 1996
PubMed
Summary
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This study shows that an artificial anal sphincter can restore bowel control in patients with severe fecal incontinence, offering a successful treatment option with manageable complications.

Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Biomedical Engineering

Background:

  • Severe fecal incontinence significantly impacts quality of life.
  • Conventional management strategies often fail for advanced cases.
  • Restoring continence requires innovative therapeutic approaches.

Purpose of the Study:

  • To evaluate the efficacy and safety of a fully implanted artificial anal sphincter.
  • To assess functional outcomes and patient satisfaction in managing severe fecal incontinence.
  • To determine the feasibility of this device in patients refractory to standard treatments.

Main Methods:

  • Implantation of an artificial anal sphincter in 12 patients with severe fecal incontinence.
  • Preoperative and postoperative manometric assessments to evaluate sphincter function.

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  • Long-term follow-up (mean 58 months) including functional and satisfaction questionnaires.

    • Main Results:

    • A successful outcome was achieved in 75% of patients (9 out of 12).
    • Postoperative manometry confirmed an elevated high-pressure zone.
    • Seven patients reported continence to solid stool, with high satisfaction rates.

    Conclusions:

    • Early results indicate that artificial anal sphincters can restore continence.
    • The device offers an acceptable morbidity profile for severe fecal incontinence.
    • This technology represents a promising solution for select patient populations.