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Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
The impact of prostate size, median lobe, and prior benign prostatic hyperplasia intervention on robot-assisted laparoscopic prostatectomy: technique and outcomes.
European Urology 2011 April
BACKGROUND: Large prostate size, median lobes, and prior benign prostatic hyperplasia (BPH) surgery may pose technical challenges during robot-assisted laparoscopic prostatectomy (RALP).
OBJECTIVE: To describe technical modifications to overcome BPH sequelae and associated outcomes.
DESIGN, SETTINGS, AND PARTICIPANTS: A retrospective study of prospective data on 951 RALP procedures performed from September 2005 to November 2010 was conducted. Outcomes were analyzed by prostate weight, prior BPH surgical intervention (n=59), and median lobes >1 cm (n=42).
SURGICAL PROCEDURE: RALP.
MEASUREMENTS: Estimated blood loss (EBL), blood transfusions, operative time, positive surgical margin (PSM), and urinary and sexual function were measured.
RESULTS AND LIMITATIONS: In unadjusted analysis, men with larger prostates and median lobes experienced higher EBL (213.5 vs 176.5 ml; p<0.001 and 236.4 vs 193.3 ml; p=0.002), and larger prostates were associated with more transfusions (4 vs 1; p=0.037). Operative times were longer for men with larger prostates (164.2 vs 149.1 min; p=0.002), median lobes (185.8 vs 155.0 min; p=0.004), and prior BPH surgical interventions (170.2 vs 155.4 min; p=0.004). Men with prior BPH interventions experienced more prostate base PSM (5.1% vs 1.2%; p=0.018) but similar overall PSM. In adjusted analyses, the presence of median lobes increased both EBL (p=0.006) and operative times (p<0.001), while prior BPH interventions also prolonged operative times (p=0.014). However, prostate size did not affect EBL, PSM, or recovery of urinary or sexual function.
CONCLUSIONS: Although BPH characteristics prolonged RALP procedure times and increased EBL, prostate size did not affect PSM or urinary and sexual function.
OBJECTIVE: To describe technical modifications to overcome BPH sequelae and associated outcomes.
DESIGN, SETTINGS, AND PARTICIPANTS: A retrospective study of prospective data on 951 RALP procedures performed from September 2005 to November 2010 was conducted. Outcomes were analyzed by prostate weight, prior BPH surgical intervention (n=59), and median lobes >1 cm (n=42).
SURGICAL PROCEDURE: RALP.
MEASUREMENTS: Estimated blood loss (EBL), blood transfusions, operative time, positive surgical margin (PSM), and urinary and sexual function were measured.
RESULTS AND LIMITATIONS: In unadjusted analysis, men with larger prostates and median lobes experienced higher EBL (213.5 vs 176.5 ml; p<0.001 and 236.4 vs 193.3 ml; p=0.002), and larger prostates were associated with more transfusions (4 vs 1; p=0.037). Operative times were longer for men with larger prostates (164.2 vs 149.1 min; p=0.002), median lobes (185.8 vs 155.0 min; p=0.004), and prior BPH surgical interventions (170.2 vs 155.4 min; p=0.004). Men with prior BPH interventions experienced more prostate base PSM (5.1% vs 1.2%; p=0.018) but similar overall PSM. In adjusted analyses, the presence of median lobes increased both EBL (p=0.006) and operative times (p<0.001), while prior BPH interventions also prolonged operative times (p=0.014). However, prostate size did not affect EBL, PSM, or recovery of urinary or sexual function.
CONCLUSIONS: Although BPH characteristics prolonged RALP procedure times and increased EBL, prostate size did not affect PSM or urinary and sexual function.
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