You have accessJournal of UrologyTechnology & Instruments: Robotics: Benign & Malignant Disease (I)1 Apr 2013856 POSTOPERATIVE CHANGE OF BODY MASS INDEX DOES NOT IMPACT URINARY INCONTINENCE AFTER ROBOTIC-ASSISTED RADICAL PROSTATECTOMY Anil Thomas, Jeff Slezak, Howard Jung, Brian Kim, Kim Porter, Steven Jacobsen, and Gary Chien Anil ThomasAnil Thomas Los Angeles, CA More articles by this author , Jeff SlezakJeff Slezak Los Angeles, CA More articles by this author , Howard JungHoward Jung Los Angeles, CA More articles by this author , Brian KimBrian Kim Los Angeles, CA More articles by this author , Kim PorterKim Porter Los Angeles, CA More articles by this author , Steven JacobsenSteven Jacobsen Los Angeles, CA More articles by this author , and Gary ChienGary Chien Los Angeles, CA More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2013.02.424AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookTwitterLinked InEmail INTRODUCTION AND OBJECTIVES Urinary incontinence is among the most common and distressing side effects following radical prostatectomy. Previous studies have suggested that functional outcomes may be worse in obese men after radical prostatectomy; however, none have assessed the influence of postoperative weight changes on incontinence in these patients. We evaluated the impact of postoperative changes in body mass index (BMI) on urinary incontinence in patients undergoing robotic-assisted radical prostatectomy (RARP). METHODS Patients undergoing RARP were identified within a prospectively collected prostate cancer database at Kaiser Permanente Southern California (KPSC). Urinary incontinence was evaluated using self-reported EPIC-26 questionnaires at baseline, 1, 3, and 6-months after RARP. Patients were further grouped according to BMI classes (normal weight <25kg/m2, overweight 25-29.9kg/m2, and obese >30kg/m2). Associations between baseline BMI and change in BMI and changes in EPIC-26 scores were measured using Spearman's rank correlation. RESULTS Between March 2011 and October 2012, 1430 patients enrolled in the study had undergone RARP. The mean age was 61 years (range, 42-77) and the median baseline BMI was 28.1 kg/m2. At the time of analysis a total of 119 patients underwent RARP and completed baseline and 1, 3, and 6-month postoperative EPIC-26 questionnaires with available BMI data within 30 days from the time of each questionnaire completion (22(18%) <25kg/m2, 55(46%) 25-29.9kg/m2, and 42(35%) >30kg/m2). Median BMI declined by 0.5 kg/m2 between baseline and 6 months after surgery. Baseline urinary incontinence scores were marginally worse for obese patients (95.9 <25kg/m2, 88.7 25-29.9kg/m2, and 86.2 >30kg/m2, p=0.09), however these difference were not seen at 6-months postoperatively (38.6 <25kg/m2, 40.9 25-29.9kg/m2, and 38.6 >30kg/m2, p=0.82). Using correlation coefficient analysis, decreasing BMI postoperatively was not associated with a difference in self-reported urinary incontinence outcomes at 6-months (r = 0.017, p=0.85). In subgroup analysis, obese patients showed an association between postoperative weight loss and improved continence (r=−0.117); however, this did not reach statistical significance (p=0.42). CONCLUSIONS Although weight loss may be beneficial in select patients, postoperative changes in BMI do not impact self-reported urinary incontinence results 6 months after RARP. Longer follow up is necessary. © 2013 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 189Issue 4SApril 2013Page: e351-e352 Advertisement Copyright & Permissions© 2013 by American Urological Association Education and Research, Inc.MetricsAuthor Information Anil Thomas Los Angeles, CA More articles by this author Jeff Slezak Los Angeles, CA More articles by this author Howard Jung Los Angeles, CA More articles by this author Brian Kim Los Angeles, CA More articles by this author Kim Porter Los Angeles, CA More articles by this author Steven Jacobsen Los Angeles, CA More articles by this author Gary Chien Los Angeles, CA More articles by this author Expand All Advertisement Advertisement PDF downloadLoading ...