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Perioperative outcomes of robot-assisted radical prostatectomy compared with open radical prostatectomy: results from the nationwide inpatient sample.

Abstract：

BACKGROUND:Prior to the introduction and dissemination of robot-assisted radical prostatectomy (RARP), population-based studies comparing open radical prostatectomy (ORP) and minimally invasive radical prostatectomy (MIRP) found no clinically significant difference in perioperative complication rates. OBJECTIVE:Assess the rate of RARP utilization and reexamine the difference in perioperative complication rates between RARP and ORP in light of RARP's supplanting laparoscopic radical prostatectomy (LRP) as the most common MIRP technique. DESIGN, SETTING, AND PARTICIPANTS:As of October 2008, a robot-assisted modifier was introduced to denote robot-assisted procedures. Relying on the Nationwide Inpatient Sample between October 2008 and December 2009, patients treated with radical prostatectomy (RP) were identified. The robot-assisted modifier (17.4x) was used to identify RARP (n=11 889). Patients with the minimally invasive modifier code (54.21) without the robot-assisted modifier were classified as having undergone LRP and were removed from further analyses. The remainder were classified as ORP patients (n=7389). INTERVENTION:All patients underwent RARP or ORP. MEASUREMENTS:We compared the rates of blood transfusions, intraoperative and postoperative complications, prolonged length of stay (pLOS), and in-hospital mortality. Multivariable logistic regression analyses of propensity score-matched populations, fitted with general estimation equations for clustering among hospitals, further adjusted for confounding factors. RESULTS AND LIMITATIONS:Of 19 462 RPs, 61.1% were RARPs, 38.0% were ORPs, and 0.9% were LRPs. In multivariable analyses of propensity score-matched populations, patients undergoing RARP were less likely to receive a blood transfusion (odds ratio [OR]: 0.34; 95% confidence interval [CI], 0.28-0.40), to experience an intraoperative complication (OR: 0.47; 95% CI, 0.31-0.71) or a postoperative complication (OR: 0.86; 95% CI, 0.77-0.96), and to experience a pLOS (OR: 0.28; 95% CI, 0.26-0.30). Limitations of this study include lack of adjustment for tumor characteristics, surgeon volume, learning curve effect, and longitudinal follow-up. CONCLUSIONS:RARP has supplanted ORP as the most common surgical approach for RP. Moreover, we demonstrate superior adjusted perioperative outcomes after RARP in virtually all examined outcomes.

journal_name

Eur Urol

journal_title

European urology

authors

Trinh QD,Sammon J,Sun M,Ravi P,Ghani KR,Bianchi M,Jeong W,Shariat SF,Hansen J,Schmitges J,Jeldres C,Rogers CG,Peabody JO,Montorsi F,Menon M,Karakiewicz PI

doi

10.1016/j.eururo.2011.12.027

subject

Has Abstract

pub_date

2012-04-01 00:00:00

pages

679-85

issue

eissn

0302-2838

issn

1873-7560

pii

S0302-2838(11)01411-4

journal_volume

pub_type

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Perioperative outcomes of robot-assisted radical prostatectomy compared with open radical prostatectomy: results from the nationwide inpatient sample.