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  • Title: Role of robotics in the management of secondary ureteropelvic junction obstruction.
    Author: Atug F, Burgess SV, Castle EP, Thomas R.
    Journal: Int J Clin Pract; 2006 Jan; 60(1):9-11. PubMed ID: 16409421.
    Abstract:
    Patients with recurrent ureteropelvic junction obstruction (UPJO) present a treatment dilemma to urologists. Second-line therapies have previously been shown to fail at a higher rate than the initial therapeutic procedure. We report our experience with robotic-assisted, dismembered pyeloplasty in patients with secondary UPJO. Since November 2002, 44 robotic-assisted laparoscopic pyeloplasties (RALPs) have been performed at our institution. Of these, seven patients had undergone previous definitive treatment for UPJO. Anderson-Hynes-dismembered pyeloplasty was the preferred reconstructive technique in all patients. The patients were divided into two groups: primary pyeloplasty patients (group 1) and secondary pyeloplasty patients (group 2). Variables examined include operative time, estimated blood loss (EBL), length of hospital stay (LOS) and success rates. All operations were completed laparoscopically, and there were no conversions to open surgery in either group. Mean operative time was 60 min longer in the secondary pyeloplasty group compared with primary cases, but the EBL, LOS and success rates were similar. A patent UPJ was confirmed in both groups by renal scan and/or excretory urography (intravenous pyelogram) examinations. RALP is a viable option in select patients with recurrent UPJO after previous endoscopic or open surgical repair. As expected, operative times were longer in these patients due to a more challenging dissection (p < 0.05). However, the magnification afforded by the robot allows for a precise dissection, and subsequently, there was no significant increase in blood loss, hospital stay or perioperative morbidity in our series (p > 0.05).
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