The effect of biofeedback on nonneurological dysfunctional voiding in children: A meta-analysis and systematic review
Abstract
OBJECTIVE
This study was conducted to investigate the effect of biofeedback (BF) on the rehabilitation of children with nonneurological dysfunctional voiding (NDV).
METHODS
RCTs were retrieved from various databases (published from inception to February 29, 2024). The effects of the BF and non-BF treatments were compared. A random-effects model was used to evaluate the combined data.
RESULTS
Meta-analysis revealed that BF increased the maximum urinary flow rate (SMD = 3.78, 95% CI 1.33∼6.22), improved urination time (SMD = 5.88, 95% CI 3.75∼8.01), and reduced the postvoid residual (SMD = -19.18, 95% CI -27.03∼-11.33) and urinary tract infection incidence (RR = 0.43, 95% CI 0.21∼0.87). Electromyogram activity (RR = 0.46, 95% CI 0.25∼0.84) and abnormal urination patterns (RR = 0.51, 95% CI 0.35∼0.74) improved, with effects persisting for more than 1 year. However, the effect of BF on the mean urinary flow rate in children with NDV was significant only after 1 year of follow-up (SMD = 1.90, 95% CI 0.87∼2.92).
CONCLUSION
Existing evidence indicates that BF can enhance urinary parameters and patterns in children with NDV. However, its effectiveness in addressing constipation, daytime urinary incontinence, and nocturnal urinary incontinence is not substantial. High-quality randomized controlled trials can offer additional insights.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid.
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