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The combination of amplitude-modulated medium-frequency electrostimulation with EMG-biofeedback in the triple target regimen is superior to EMG-biofeedback alone in the treatment of anal incontinence. Therapy programs for fecal incontinence are most effective if patients participate for longer than 2 to 3 months.

Non-resecting methods should be used only in uncomplicated fistulas. Rectovaginal fistulas secondary to inflammatory or malignant disease mostly require extensive therapy. Omentoplasty is effective for the treatment of both high and low rectovaginal fistulas.

Complete omental reconstruction of the rectovaginal space appears decisive in the operative therapy of deep rectovaginal or enterovaginal fistulas. Comparative studies on standard therapies are necessary although direct comparison of case series is difficult.