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Long-term results of electromyographic biofeedback training for fecal incontinence
Linköping University, Department of Biomedicine and Surgery, Surgery. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Biomedicine and Surgery, Surgery. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Biomedicine and Surgery, Surgery. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Biomedicine and Surgery, Surgery. Linköping University, Faculty of Health Sciences.
2000 (English)In: Diseases of the Colon & Rectum, ISSN 0012-3706, E-ISSN 1530-0358, Vol. 43, no 9, 1262-1266 p.Article in journal (Refereed) Published
Abstract [en]

PURPOSE: The aim of this study was to examine the long-term results of electromyographic biofeedback training in fecal incontinence.

METHODS: Thirty-seven patients (1 male) received a customised program of 2 to 11 (median, 3) biofeedback training sessions with an anal plug electromyometer. Nine patients had persistent incontinence after anal sphincter repair, a further 8 patients had postsurgical or partial obstetric damage of the sphincter but no sphincter repair, 9 patients had neurogenic sphincter damage, and 11 patients were classified as having idiopathic fecal incontinence. Duration of voluntary sphincter contraction was measured by anal electromyography (endurance score) before and after treatment. A postal questionnaire was used to investigate the following variables: 1) subjective rating on a four-grade Likert-scale of the overall result of the biofeedback training; 2) incontinence score (maximum score is 18, and 0 indicates no incontinence); and 3) rating of bowel dissatisfaction using a visual analog scale (0 to 10).

RESULTS: Twenty-two patients (60 percent) rated the result as very good (n=8) or good (n=14) immediately after the treatment period. Median endurance score improved from 1 to 2 minutes (P<0.0001). Median incontinence score improved from 11 to 7, and bowel dissatisfaction rating improved from 5 to 2.8 (bothP<0.0001). After a median follow-up of 44 (range, 12–59) months, 15 patients (41 percent) still rated the overall result as very good (n=3) or good (n=12). The incontinence score did not change during follow-up. Median bowel dissatisfaction rating deteriorated from 2.8 to 4.2 but remained better than before treatment. Poor early subjective rating and the need for more than three biofeedback sessions were predictive of worsening during follow-up.

CONCLUSION: We think it is encouraging that in this study biofeedback treatment for fecal incontinence with an intra-anal plug electrode resulted in a long-term success rate in nearly one-half of the patients.

Place, publisher, year, edition, pages
2000. Vol. 43, no 9, 1262-1266 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-25054DOI: 10.1007/BF02237433Local ID: 9482OAI: oai:DiVA.org:liu-25054DiVA: diva2:245380
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2017-12-13Bibliographically approved

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Hallböök, OlofSjödahl, Rune

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