Purpose: The implantation of expandable microballoons has proved successful for the treatment of stress urinary incontinence. This led us to test its effectiveness in the treatment of severe fecal incontinence.
Methods: Six patients (four male), of average age of 43 (range, 29-60) years, with severe fecal incontinence, underwent implantation of expandable microballoons in the submucosa of the anal canal. The implantation was performed under intravenous sedation as an outpatient procedure. Anal manometry, endosonography, and incontinence assessment with a scoring system were performed before and after the implantation.
Results: With a mean follow-up of 8.6 (range, 7-12) months, the incontinence scores improved in all patients from an average of 16.16 (standard deviation: +/- 1.6) before the implantation to an average of 5 (standard deviation: +/- 1.26) after the procedure. The anal pressure at rest was not improved in any patient (mean: 50.16 before treatment to a mean of 53 after treatment). No significant adverse events were associated with the procedure, and no serious postimplantation complications were noted.
Discussion: Anal implantation of expandable microballoons seems to be a simple, safe, and effective method that restores the fecal continence without hindering normal defecation.
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