Abstract
Background: Many studies have described using biofeedback to treat chronic constipation, but few reports have addressed its impact on quality of life (QOL). Objective: The aim was to evaluate the effect of biofeedback with a validated Constipation Severity Instrument (CSI) and Constipation-Related QOL (CRQOL) measure. Design: Prospectively collected data with retrospective analysis. Setting: Tertiary care academic center. Patients and Methods: Patients referred to the Center for Pelvic Physiology with chronic constipation and objective signs of pelvic floor dyssynergia, who received a complete course of biofeedback therapy and returned all of their questionnaires, were enrolled in the study. Questionnaires were given upon initial evaluation, immediately after the complete course of biofeedback, and 6 months later. Main Outcome Measures: Improvement of dyssynergia symptom and QOL by CSI and CRQOL. Sample Size: A total of 25 patients (20 females and 5 males) were included. Results: Overall, 75% of patients reported satisfactory symptom and QOL improvement. CSI total scores decreased after treatment (35.0 vs. 31.0, P = 0.06) and at 6-month follow-up (35.0 vs. 30.0, P = 0.05). Only the obstructive defecation (OD) subscale of CSI improved significantly after treatment (median 21.0 vs. 16.5, P
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