ABSTRACT
INTRODUCTION AND HYPOTHESIS: Hip osteoarthritis (OA) compromises functioning. Total hip replacement (THR) is the indicated treatment and may improve urinary incontinence (UI) and symptoms of overactive bladder (OAB). OBJECTIVES: Assess UI, OAB symptoms, and quality of life (QoL) impact in preoperative and postoperative periods of women submitted to THR and investigate associated factors. METHODS: A prospective cohort was conducted with 183 women submitted to THR. The International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF), International Consultation on Incontinence Questionnaire-Overactive Bladder (ICIQ-OAB) and SF-12 questionnaires were administered pre- and 3 and 6 months after surgery. RESULTS: Significant improvements were found in UI and QoL 3- and 6-month postoperatively in the overall sample and in the subgroup with preoperative UI. The multivariate regression revealed that the preoperative ICIQ-SF and ICIQ-OAB final scores were the best predictors of UI 6-month postoperatively. The factors the best predicted the occurrence of UI 6-month following THR were the preoperative ICIQ-OAB scores and preoperative UI. Each unit of increase in the ICIQ-OAB increases the chances of UI by 26.9% and preoperative UI increases the chances of postoperative UI by 18.7-fold. A weak but significant negative correlation was found between the ICIQ-SF score and the SF-12 score. CONCLUSION: Significant improvements in UI, OAB and QoL were found at 3- and 6-month postoperatively. Preoperative ICIQ-SF and ICIQ-OAB final scores were the best predictors of UI at 6 months after surgery. We found significant association between urinary symptoms and THR, but this association is partially explained by current literature.
