The Effectiveness of Pelvic Floor Muscle Exercise with Biofeedback in Women with Urinary Incontinence: A Systematic Review

Urinary incontinence affects approximately 200 million people worldwide. The objective of this study was to investigate the effect of pelvic floor muscle (PFM) training with biofeedback (BF) in women with urinary incontinence in comparison to PFM training alone. The primary outcome was PFM strength with secondary outcomes being the severity of incontinence, other PFM parameters, quality of life (QoL), social life, satisfaction and adherence to treatment. Randomized controlled trials (RCTs) published from 2005 to 2023 in PubMed, MEDLINE, Scopus and Google Scholar were searched and evaluated with the PEDro scale. Nine moderate and two high methodological quality RCTs were selected. There was a statistically significant improvement in all parameters. In five studies, muscle strength and the severity of incontinence were statistically better in the BF group compared to the non-BF group. In most studies, no differences were found for QoL and social life between the groups. For adherence to treatment, the results were ambiguous. tau he remaining variables (endurance, precontraction, function, adherence and satisfaction) had few studies to support the results. There was moderate level evidence that the group utilizing PFM exercises with BF showed significant improvements in the management of urinary incontinence. Concerning muscle strength and the severity of incontinence, findings were inconclusive, as only in some studies the results were statistically better in the BF group compared to the non-BF group.