(361) National Trends of Male Urethroplasty Procedures: 2016-2019

Abstract

Abstract Introduction Urethroplasty remains a valuable surgical option in the management of urethral stricture disease. However, current understanding of the patient- and hospital-level factors associated with inpatient versus (vs.) outpatient male urethroplasty is limited on a national scale. Objective We therefore sought to evaluate contemporary national trends of urethroplasty procedures among men. Methods We performed a retrospective review from 2016 to 2019 of urethroplasty procedures in men utilizing both the National Inpatient Sample and the Nationwide Ambulatory Surgery Sample – the largest publicly available all-payer inpatient and ambulatory databases in the United States. Non-endoscopic urethroplasty procedures were identified by Current Procedural Terminology and International Classification of Diseases (10th Revision) Procedure Coding System codes. Utilizing both inpatient and outpatient encounters, we performed stratified cluster sampling to create weighted national estimates. The primary outcome was the rate of urethroplasty performed in inpatient and outpatient encounters over time. Multivariable logistic regression was used to evaluate patient- and hospital-level factors associated with inpatient urethroplasty. Results From 2016 to 2019, there were 28,532 weighted urethroplasty procedures analyzed (37% inpatient vs. 63% outpatient). Over the study period, there was a 27% increase in the total number of annual procedures (n=6270 to n=7980), and the proportion performed outpatient increased from 60% to 68% [Figure]. Mean total charge for inpatient urethroplasty encounters was $84,267 vs. $30,997 outpatient (p<0.0001). Predictors of inpatient urethroplasty included greater Elixhauser Comorbidity Index, use of buccal mucosal graft, non-private insurance status, and Western hospital region (vs. Northeast) (p<0.05) [Table]. Outpatient urethroplasty was associated with higher median income by Zip Code (vs. lowest quartile of median income), Southern hospital region (vs. Northeast), rural or urban non-teaching hospital (vs. urban teaching hospital), and higher urethroplasty case volume hospitals (vs. lowest case volume hospitals) (p<0.05). Conclusions An increasing proportion of urethroplasty procedures nationwide appears to be performed on an outpatient basis. Outpatient procedures have lower hospital charges than inpatient encounters – and are associated with higher volume hospitals, not using buccal mucosal graft, private insurance, and less comorbid patients who reside in areas of higher median income. Further investigation is warranted to assess how these factors may affect surgical outcomes. Disclosure No.