alexa Comparison of surgical and functional outcomes of minimally invasive and open pyeloplasty.
Engineering

Engineering

Advances in Robotics & Automation

Author(s): Boylu U, Basatac C, Turan T, Onol FF, Gumus E

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Abstract OBJECTIVE: To compare the surgical and functional outcomes of minimally invasive pyeloplasty versus open pyeloplasty. SUBJECTS AND METHODS: Between 2008 and 2010, 20 patients underwent transperitoneal minimally invasive (13 robot-assisted and 7 laparoscopic) pyeloplasty, and 22 patients underwent conventional open pyeloplasty. Operative and functional outcomes were compared between the minimally invasive and open pyeloplasty groups. The statistical analysis was performed using Fisher's exact test, unpaired t test, and Mann-Whitney U test. RESULTS: The mean age was 31 years in the minimally invasive group and 27 years in the open group. The mean operative time was 131 minutes in the minimally invasive group and 128 minutes in the open group (P=.71). The estimated blood loss was 30 mL in the minimally invasive group and 108 mL in the open group (P=.001). The drain was removed after 1.75 days and 4.48 days in the minimally invasive and open groups, respectively (P=.001). The mean hospital stay was 1.94 days and 4.19 days in the minimally invasive and open groups, respectively (P=.001). Crossing vessels were observed in 21\% of all patients, and the transposition of the ureter was performed in all patients with an anterior crossing vessel. One patient in each group had symptomatic and radiographic recurrence and persistently obstructed drainage pattern on diuretic renography. The radiographic and symptomatic success rate was 95\% in the minimally invasive group and 95.5\% in the open group. CONCLUSIONS: Minimally invasive pyeloplasty has low morbidity, short length of stay, and less blood loss compared with open surgical repair. It is an effective and feasible minimally invasive treatment modality for ureteropelvic junction obstruction. This article was published in J Laparoendosc Adv Surg Tech A and referenced in Advances in Robotics & Automation

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