Incidence of overactive bladder after vaginal hysterectomy and associated repairs for pelvic organ prolapse.

OBJECTIVE: The aim of this study was to determine the incidence of overactive bladder (OAB) after vaginal hysterectomy for pelvic organ prolapse (POP) and analyze the associated risk factors.

STUDY DESIGN: This was a retrospective cohort study of 217 patients who underwent primary POP vaginal surgery between the years 2000 and 2004 in Donostia Hospital and who did not report OAB before surgery. A personal interview was undertaken after surgery for the diagnosis of OAB, taking into account the ICS 2002 definition. Descriptive statistical analyses and multivariate logistic regression were performed to determine the factors associated with the development of OAB after POP surgery.

RESULTS: De novo OAB was diagnosed in 43 (19.8%) patients. The median time at onset of OAB symptoms after surgery was 3 months. Urge urinary incontinence was present in 28 patients (12.9%). Those women operated on also for stress urinary incontinence were at an increased risk for de novo OAB.

CONCLUSION: Nearly 20% of women operated on for POP develop OAB soon after surgery. Those operated on for POP and stress urinary incontinence are more at risk.