Robotic partial nephrectomy for renal tumours in obese patients: Perioperative outcomes in a multi-institutional analysis

Canadian Urological Association Journal = Journal De L'Association Des Urologues Du Canada
Newaj AbdullahCraig G Rogers

Abstract

We sought to evaluate the association of obesity with surgical outcomes of robotic partial nephrectomy (RPN) using a large, multicentre database. We identified 1836 patients who underwent RPN from five academic centres from 2006-2014. A total of 806 patients were obese (body mass index [BMI] ≥30 kg/m(2)). Patient characteristics and outcomes were compared between obese and non-obese patients. Multivariable analysis was used to assess the association of obesity on RPN outcomes. A total of 806 (44%) patients were obese with median BMI of 33.8kg/m(2). Compared to non-obese patients, obese patients had greater median tumour size (2.9 vs. 2.5cm, p<0.001), mean RENAL nephrometry score (7.3 vs. 7.1, p=0.04), median operating time (176 vs. 165 min, p=0.002), and median estimated blood loss (EBL, 150 vs. 100 ml, p=0.002), but no difference in complications. Obesity was not an independent predictor of operative time or EBL on regression analysis. Among obese patients, males had a greater EBL (150 vs. 100 ml, p<0.001), operative time (180 vs. 166 min, p<0.001) and warm ischemia time (WIT, 20 vs. 18, p=0.001), and male sex was an independent predictor of these outcomes on regression analysis. In this large, multicentre study on RPN, obesit...Continue Reading

Citations

Jun 27, 2017·Current Opinion in Urology·Mohammad AbufarajKarl-Dietrich Sievert
Sep 29, 2018·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Sheng-Han TsaiMarshall L Stoller
Apr 18, 2019·Journal of Endourology·Daniel C RosenKetan K Badani
May 30, 2019·Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a·Manar MalkiNeil Barber
Jan 31, 2020·Frontiers in Surgery·Ohad KottDragan Golijanin

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