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Biofeedback therapy in rectal prolapse patients

K J Hämäläinen1, P Raivio, S Antila

  • 1Department of Surgery, Central Hospital of Central Finland, Jyväskylä, Finland.

Diseases of the Colon and Rectum
|March 1, 1996
PubMed
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Perioperative biofeedback training improved continence scores in rectal prolapse patients. However, low resting pressure, a key factor in postoperative incontinence, was not corrected by this therapy.

Area of Science:

  • Colorectal surgery
  • Pelvic floor rehabilitation

Background:

  • Rectal prolapse surgery can lead to postoperative incontinence.
  • The role of biofeedback in improving continence after rectal prolapse surgery requires further investigation.

Purpose of the Study:

  • To evaluate the impact of perioperative biofeedback training on postoperative continence in patients undergoing rectal prolapse surgery.

Main Methods:

  • A comparative study involving patients operated on between 1987 and 1993.
  • Group 1 (n=14) received no biofeedback, while Group 2 (n=11) received perioperative biofeedback training.
  • Postoperative continence was assessed using anal manometry, rectoanal sensation assessment, and surface electromyography.

Main Results:

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  • Continence scores demonstrated improvement in both biofeedback and non-biofeedback groups.
  • Both groups exhibited significantly lower anal resting pressures compared to controls (30.6 mmHg vs. 53.0 mmHg, P < 0.001).
  • A correlation was observed between anal resting pressure and postoperative continence scores (r = -0.5, P < 0.05).

    • Conclusions:

    • Biofeedback therapy can enhance external sphincter function.
    • Low resting pressure is identified as the primary cause of postoperative incontinence in rectal prolapse patients.
    • Biofeedback therapy does not effectively correct the low resting pressure contributing to incontinence.