Georgia Dedemadi1, Shota Takano2. 1. Surgeon in the Department of Functional Anorectal Disorders at Coloproctology Center Takano Hospital in Kumamoto City, Japan, and a Surgeon in the Department of Surgery at Sismanoglio-Amalia Fleming Hospital in Athens, Greece. micg@takano-hospital.jp. 2. Surgeon in the Department of Functional Anorectal Disorders at Coloproctology Center Takano Hospital in Kumamoto City, Japan. micm@takano-hospital.jp.
Abstract
CONTEXT: Posterior tibial nerve stimulation is a new second-line treatment for refractory fecal incontinence. OBJECTIVE: To assess the efficacy of bilateral transcutaneous posterior tibial nerve stimulation (BTPTNS) for treatment of fecal incontinence in Japanese patients and its impact on quality of life. DESIGN: A prospective observational-interventional study was conducted from May 2015 to June 2017 in patients with fecal incontinence in whom conservative treatment had failed. All patients received a 30-minute session of stimulation twice weekly for 6 consecutive weeks. Evaluation at baseline and at 6 weeks involved the Wexner score, Fecal Incontinence Quality of Life (FIQL) questionnaire, and anal manometry. Patients recorded episodes of incontinence in a weekly diary. MAIN OUTCOME MEASURES: Reduction of 50% or greater in incontinence episodes, decreased Wexner score, and improved FIQL scores. RESULTS: Twenty-two patients with a median age of 64.1 years (range, 26-81 years) and men:women ratio of 9:13 completed BTPTNS. Mean episodes of fecal incontinence were significantly reduced from 4.7 to 1.5 (p < 0.05). An improvement of 50% or better in episodes of fecal incontinence was achieved in 77.2% of patients. The median Wexner score significantly decreased from 10.2 to 6.9 (p < 0.05). The median FIQL score improved from 2.7 to 3.1 (p = 0.06), and significant improvement was seen in the embarrassment domain (2.2 vs 2.8, p < 0.05). Resting and squeezing anal pressures revealed no significant changes. CONCLUSION: Our findings suggest that BTPTNS is safe and well tolerated and may improve symptoms of fecal incontinence. This technique offers an additional noninvasive, less expensive form of treatment.
CONTEXT: Posterior tibial nerve stimulation is a new second-line treatment for refractory fecal incontinence. OBJECTIVE: To assess the efficacy of bilateral transcutaneous posterior tibial nerve stimulation (BTPTNS) for treatment of fecal incontinence in Japanese patients and its impact on quality of life. DESIGN: A prospective observational-interventional study was conducted from May 2015 to June 2017 in patients with fecal incontinence in whom conservative treatment had failed. All patients received a 30-minute session of stimulation twice weekly for 6 consecutive weeks. Evaluation at baseline and at 6 weeks involved the Wexner score, Fecal Incontinence Quality of Life (FIQL) questionnaire, and anal manometry. Patients recorded episodes of incontinence in a weekly diary. MAIN OUTCOME MEASURES: Reduction of 50% or greater in incontinence episodes, decreased Wexner score, and improved FIQL scores. RESULTS: Twenty-two patients with a median age of 64.1 years (range, 26-81 years) and men:women ratio of 9:13 completed BTPTNS. Mean episodes of fecal incontinence were significantly reduced from 4.7 to 1.5 (p < 0.05). An improvement of 50% or better in episodes of fecal incontinence was achieved in 77.2% of patients. The median Wexner score significantly decreased from 10.2 to 6.9 (p < 0.05). The median FIQL score improved from 2.7 to 3.1 (p = 0.06), and significant improvement was seen in the embarrassment domain (2.2 vs 2.8, p < 0.05). Resting and squeezing anal pressures revealed no significant changes. CONCLUSION: Our findings suggest that BTPTNS is safe and well tolerated and may improve symptoms of fecal incontinence. This technique offers an additional noninvasive, less expensive form of treatment.
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