Functional and Oncologic Outcomes of Graded Bladder Neck Preservation During Robot-Assisted Radical Prostatectomy
2014
Abstract Purpose: To describe our bladder neck dissection during robot-assisted radical prostatectomy (RARP), to describe the degrees of robot-assisted bladder neck preservation (R-BNP) we have encountered, and to determine the effect of increasing R-BNP on postoperative continence and positive surgical margin (PSM) rates. Patients and Methods: We performed a retrospective analysis of 599 patients who underwent robot-assisted radical prostatectomy (RARP) by a single surgeon (DIL). All bladder neck dissections were graded between 1 and 4; higher grades corresponded to an increasing degree of robot-assisted bladder neck preservation (R-BNP). After grouping patients by R-BNP grade, postoperative continence and positive surgical margin (PSM) rates were compared. The association between R-BNP and continence was also assessed using multivariate binary logistic regression models. Results: Similar outcomes were seen for two definitions of continence (0 pads per day [ppd]; 0 ppd or security pad, respectively). A h...
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