Urethral injection therapy for urinary incontinence in women.

Background: Urinary incontinence imposes a significant health and economic burden to society. Periurethral or transurethral injection of bulking agents is a minimally invasive surgical procedure used as one the surgical treatments of stress urinary incontinence (SUI) in adult women.

Objectives: To assess the effects of periurethral or transurethral injection therapy on the cure or improvement of urinary incontinence in women.