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  • Title: Sacral nerve stimulation is a valid approach in fecal incontinence due to sphincter lesions when compared to sphincter repair.
    Author: Ratto C, Litta F, Parello A, Donisi L, Doglietto GB.
    Journal: Dis Colon Rectum; 2010 Mar; 53(3):264-72. PubMed ID: 20173471.
    Abstract:
    PURPOSE: Anal sphincter lesions represent the major cause of fecal incontinence, particularly in women. Sphincteroplasty with overlap is the traditional treatment, but a significant reduction in benefits within 5 years of surgery has been reported. More recently, sacral nerve stimulation has been suggested following sphincteroplasty or as primary treatment. METHODS: Overall, 24 women with fecal incontinence in the presence of anal sphincter lesions underwent sphincteroplasty (14 patients, mean age 47.6 +/- 15.6 years, range 26-70) or definitive implant of sacral nerve stimulation (10 patients, mean age 60.7 +/- 17.6 years, range 26-73), using identical selection criteria. At baseline, patients were studied with clinical evaluation, 3-dimensional endoanal ultrasound, and anorectal manometry (ARM), repeated at follow-up (median 60.0 months, range 6-96 in sphincteroplasty group; median 33.0 months, range 6-84 in sacral nerve stimulation group). RESULTS: At baseline, both groups presented similar characteristics. Two sphincteroplasty patients (14.3%) experienced relapse of fecal incontinence at 6 and 19 months after treatment, whereas good to excellent continence was observed in all of the sacral nerve stimulation patients. Compared to baseline, both groups showed a significant improvement in clinical parameters, and ARM data remained unchanged. In 12 of 14 sphincteroplasty patients, the repaired sphincter at endoanal ultrasound was found to overlap. At follow-up, comparison between sphincteroplasty and sacral nerve stimulation showed no significant differences in clinical and ARM parameters, if related to lesion of internal, external, or both sphincters. CONCLUSIONS: These data appear to confirm that sacral nerve stimulation could represent a valid alternative in the treatment of fecal incontinence patients presenting with sphincter lesion that was not preceded by sphincteroplasty.
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