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Updated: Jun 20, 2026
10:16
Psychophysiological Stress Assessment Using Biofeedback
Published on: July 31, 2009
Summary
Biofeedback therapy using an intraanal plug effectively treated anal incontinence in 113 patients. This simple, inexpensive method led to significant continence recovery in 63% of cases, with no relapses.
Area of Science:
- Gastroenterology
- Pelvic Floor Rehabilitation
Background:
- Anal incontinence significantly impacts quality of life.
- Conventional sphincter exercises are often ineffective for many patients.
Purpose of the Study:
- To evaluate the efficacy of biofeedback therapy for anal incontinence.
- To assess a novel biofeedback approach using an intraanal plug and electromyometer/computer.
Main Methods:
- 113 patients with ineffective conventional treatments underwent biofeedback.
- An intraanal plug with electrodes connected to an electromyometer (or computer) was used.
- Patients performed sphincter contractions during an average of 3.34 one-hour sessions.
Main Results:
- 63% of patients achieved complete continence or >90% reduction in incontinence frequency.
- Excluding 13 cases of "keyhole deformity," the success rate increased to 71%.
- No relapses were reported during 6 months to 5 years of follow-up.
Conclusions:
- Biofeedback therapy with an intraanal plug is a simple, inexpensive, and effective treatment for anal incontinence.
- This method is suitable for both office and hospital-based rehabilitation.
- The technique offers a high success rate for patients unresponsive to traditional exercises.
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