Journal
COLORECTAL DISEASE
Volume 14, Issue 3, Pages 349-355Publisher
WILEY
DOI: 10.1111/j.1463-1318.2011.02586.x
Keywords
Faecal incontinence; dorsal genital nerve; electrical stimulation
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Funding
- Danish National Advanced Technology Foundation
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Aim Faecal incontinence (FI) has a significant impact on quality of life. This study investigates whether stimulation of the dorsal genital nerve (DGN) improves FI symptoms. Method Ten female patients suffering from idiopathic FI median age 60 years) were included in the study. Stimulation was applied twice daily for 3 weeks at the maximal tolerable stimulation amplitude pulse width, 200 ls; pulse rate, 20 Hz). Patients kept a 3-week bowel diary prior to stimulation, during stimulation and after the final stimulation. FI severity scores, FI Severity Visual-Analogue Score VAS), FI Quality of Life Score FIQL), sphincter function and rectal volume tolerance were assessed at baseline, immediately after stimulation and 3 weeks after stimulation. Results Nine patients completed the study. The Wexner score P = 0.027) and the St Mark's score P = 0.035) improved after stimulation in seven and six of the patients and improvement was maintained 3 weeks after stimulation P = 0.048 and P = 0.049, respectively). The number of incontinent episodes was reduced in seven out of nine patients P = 0.025). Improvement was maintained for 3 weeks after stimulation P = 0.017). Subjective assessments of FI severity using the VAS score and the FIQl score did not improve during stimulation. Sphincter function and rectal volume tolerability were unaffected. Conclusion DGN stimulation reduced the number of FI episodes in most patients suffering from idiopathic FI. Sphincter function and rectal volume tolerability were not affected. DGN stimulation may represent a new treatment for idiopathic FI.
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