COMPARATIVE STUDY
JOURNAL ARTICLE

Robotic pyeloplasty: experience with three robotic platforms

Christopher Nguan, Kevin Kwan, Mohammed Al Omar, Kenneth A Beasley, Patrick P W Luke
Canadian Journal of Urology 2007, 14 (3): 3571-6
17594748

PURPOSE: Laparoscopic pyeloplasty is a technically challenging procedure. Currently, several robotic surgical systems exist to overcome laparoscopic technical challenges confronted during pyeloplasty. We present a clinical comparison between three robotic surgical systems (Aesop, Zeus and da Vinci) in assisting laparoscopic pyeloplasty procedures.

METHODS: From January 2002 to August 2005, 32 dismembered laparoscopic pyeloplasties were performed using three robotic surgical systems. The results of the initial six, five and nine laparoscopic robotic pyeloplasty procedures performed using the Aesop, Zeus and da Vinci platforms were compared. Data relating to the subsequent 12 pyeloplasties using the da Vinci system were also analyzed.

RESULTS: The da Vinci robot required significantly more time to set up initially than the Aesop platform (12.5 min versus 39 min, p < 0.05) but the time was similar to that for the Zeus robot. Despite the longer setup time, laparoscopic robotic pyeloplasties performed using the da Vinci robot required 168 min and 35 min for operating time and anastomotic time, respectively. This was significantly faster than that for Aesop (262 min and 75 min) and Zeus (225 min and 71 min) robots (p < 0.05). There were no intra-operative complications. There was only one postoperative complication in the Zeus group involving a delayed urine leak. Narcotic requirements were low and duration of hospital stay was short for all patients.

CONCLUSIONS: We show that not all advanced robotic platforms are equal. In this study, procedures performed using the da Vinci robotic system resulted in decreased anastomotic and operating times. With emerging surgical technologies, the role of the robot in surgery continues to be defined.

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