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• W4324136444 abstract "576 Background: Radical cystectomy (RC) is standard of care for muscle-invasive bladder cancer, but it comes with significant perioperative risk with half of patients experiencing major postoperative complications. Robot-assisted radical cystectomies (RARC) have aimed to decrease patient morbidity and have become increasingly adopted in North America. Currently, both open radical cystectomies (ORC) and RARC are frequently performed. To contribute to the existing literature using newly available data from the American College of Surgeons National Surgical Quality Improvement Project (NSQIP), representing one of the most recent, largest multi-institutional studies, while uniquely accounting for a variety of factors including type of urinary diversion, cancer staging, and neoadjuvant chemotherapy. Methods: RC procedures performed between 2019-2020 were identified in NSQIP and the corresponding Cystectomy Targeted database. Cases in the ORC group were planned open procedures, and cases in the RARC group were robotic with intra- or extracorporeal diversions, including unplanned conversion to open cases for intention-to-treat. Chi-square and t-tests were performed to compare baseline demographics and operative parameters. Multivariate analysis was performed for outcomes including major complications, minor complications, and 30-day mortality, while adjusting for operative approach, medical comorbidities, functional status, age, race, sex, BMI, ASA-classification, preoperative labs, type of urinary diversion, pathological staging, prior pelvic surgery or radiation, need for preoperative transfusion, preoperative sepsis, emergent or elective surgery, and recent chemotherapy. Results: 4,022 RC cases were identified. Of these, 3,146 (78.2%) received planned ORC while 876 (21.8%) received RARC. Baseline demographics of the patients who received ORC versus RARC were largely similar, with no significant difference in age or medical comorbidities. RARC was associated with longer operative times and shorter hospital length of stay compared to ORC. On multivariate analysis, ORC was associated with a higher rate of 30-day mortality [OR 3.1; 95% CI 1.3-7.2; p=0.009], reintubation, cardiac arrest, superficial wound infection, bleeding requiring transfusion [OR 4.7; 95%CI 3.6 - 6.1; p<0.001], prolonged postoperative nasogastric tube use, rectal injury, and ureteral fistula or urine leak compared to RARC. Conclusions: In the NSQIP database, ORC is associated with higher rates of 30-day mortality and operative complications, most notably bleeding, compared to RARC. This study is unique in the size of the cohorts compared, the timeliness of the data (2019-2020), and the ability to control for factors, such as type of urinary diversion, pathological bladder cancer staging, and use of neoadjuvant chemotherapy." @default.
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• W4324136444 date "2023-02-20" @default.
• W4324136444 modified "2023-09-30" @default.
• W4324136444 title "Risk analysis of open vs. robotic assisted radical cystectomy." @default.
• W4324136444 doi "https://doi.org/10.1200/jco.2023.41.6_suppl.576" @default.
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