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Robot-assisted radical prostatectomy: Modified ultradissection reduces pT2 positive surgical margins on the bladder neck

Authors
 Motoo Araki  ;  Wooju Jeong  ;  Sung Yul Park  ;  Young Hoon Lee  ;  Yasutomo Nasu  ;  Hiromi Kumon  ;  Sung Joon Hong  ;  Koon Ho Rha 
Citation
 ACTA MEDICA OKAYAMA, Vol.68(1) : 35-41, 2014 
Journal Title
 ACTA MEDICA OKAYAMA 
ISSN
 0386-300X 
Issue Date
2014
MeSH
Aged ; Humans ; Lymphocele/epidemiology ; Male ; Middle Aged ; Prostatectomy/adverse effects ; Prostatectomy/methods* ; Prostatic Neoplasms/pathology ; Prostatic Neoplasms/surgery* ; Retrospective Studies ; Robotic Surgical Procedures/methods* ; Urinary Bladder/surgery*
Keywords
robot-assisted radical prostatectomy ; prostate cancer ; surgery ; surgical margin ; technique
Abstract
The purpose of this study was to compare the positive surgical margin (PSM) rates of 2 techniques of robot-assisted radical prostatectomy (RARP) for pT2 (localized) prostate cancer. A retrospective analysis was conducted of 361 RARP cases, performed from May 2005 to September 2008 by a single surgeon (KHR) at our institution (Yonsei University College of Medicine). In the conventional technique, the bladder neck was transected first. In the modified ultradissection, the lateral border of the bladder neck was dissected and then the bladder neck was transected while the detrusor muscle of the bladder was well visualized. Perioperative characteristics and outcomes and PSM rates were analyzed retrospectively for pT2 patients (n=217), focusing on a comparison of those undergoing conventional (n=113) and modified ultradissection (n=104) techniques. There was no difference between the conventional and modified ultradissection group in mean age, BMI, PSA, prostate volume, biopsy Gleason score, and D'Amico prognostic criteria distributions. The mean operative time was shorter (p<0.001) and the estimated blood loss was less (p<0.01) in the modified ultradissection group. The PSM rate for the bladder neck was significantly reduced by modified ultradissection, from 6.2% to 0% (p<0.05). In conclusion, modified ultradissection reduces the PSM rate for the bladder neck.
Files in This Item:
T201400847.pdf Download
DOI
10.18926/AMO/52142
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Lee, Young Hoon(이영훈)
Jeong, Woo Ju(정우주)
Hong, Sung Joon(홍성준) ORCID logo https://orcid.org/0000-0001-9869-065X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/98416
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