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Biofeedback of pelvic floor muscles in the management of genuine stress incontinence in Chinese women: randomised controlled trial [with consumer summary]
Wong KS, Fung KY, Fung SM, Fung CW, Tang CH
Physiotherapy 2001 Dec;87(12):644-648
clinical trial
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

This study evaluated the efficacy of using biofeedback to teach patients with urinary stress incontinence (USI) to minimise the abdominal muscle contractions during pelvic floor exercises. Thirty-eight women participated in this trial, randomised into a group with EMIG attached over their abdominal muscles and a group without EMG. Assessment parameters included a leakage diary, one-hour pad test and subjective evaluation of life impact and symptom distress by the Short Form Incontinence Impact Questionnaire (IIQ-7) and Urogenital Distress Inventory (UDI-6). After four weeks of training, both groups showed reduction in frequency of incontinence and quantity of urine loss, and improvement in quality of life and symptom distress levels. However, there were no differences between the groups with the exception of subjective measures. The results suggest that IIQ-7 can be used as an outcome measure for treatment of USI in this population. However, further studies to explore the reliability and validity of these outcomes are indicated.

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