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Predictors of delayed postoperative urinary retention after female pelvic reconstructive surgery

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Risk factors can be used to determine what patients will develop delayed postoperative urinary retention after female pelvic reconstructive surgery. A case-control study was performed including all female pelvic reconstructive… Click to show full abstract

Risk factors can be used to determine what patients will develop delayed postoperative urinary retention after female pelvic reconstructive surgery. A case-control study was performed including all female pelvic reconstructive surgeries necessitating a voiding trial. All patients passed their previous voiding trial. Cases had an acute encounter for urinary retention. Controls did not have acute postoperative urinary retention. Cases and controls were stratified based on procedure. Demographics, medical/surgical histories, voiding symptoms, urodynamic testing, and intraoperative data were collected. Cases were matched to controls in a 1:3 ratio. Mann-Whitney U and chi-square tests were used for univariate analyses; logistic regression was used to determine predictors of delayed postoperative urinary retention (DPOUR). A total of 1219 patients underwent pelvic reconstructive surgery that met eligibility; 51 cases of DPOUR (4.3%) were identified and matched with 153 controls without postoperative urinary retention. Of the procedures performed, 41.2% had prolapse surgery, 10.3% had incontinence surgery, and 48.5% had both prolapse and incontinence surgery. There were no differences between cases and controls in age, race, prior surgery, medical comorbidities, prolapse stage ≥ 3, voiding symptoms, and surgical characteristics. Cases had a lower BMI than controls (p < 0.001). There was no difference in preoperative urodynamic variables. Cases had lower percent voided volume on their last voiding trial than controls (90.2% ± 28.6% vs. 110.7% ± 39.5%, respectively; p = 0.001); however, clinically we consider a voided volume of two-thirds or greater of the instilled volume to be a normal result. DPOUR is an uncommon postoperative event. Demographic and clinical factors and urodynamic findings were unable to predict DPOUR. Percent voided volume on voiding trial was greater in controls.

Keywords: surgery; delayed postoperative; postoperative urinary; urinary retention; pelvic reconstructive; retention

Journal Title: International Urogynecology Journal
Year Published: 2020

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