Objective: Laparoscopic pyeloplasty, which has been quoted to have a success rate equivalent to open pyeloplasty for ureteropelvic junction obstruction (UPJO), can be performed transperitoneally and retroperitoneally. The aim of the present study is to report our experience with these 2 routes of laparoscopic pyeloplasty and to further improve our understanding of the merits and demerits of these 2 routes. Patients and Methods: A total of 47 laparoscopic pyeloplasties were performed at our center from June 2000 to August 2009. Twelve pyeloplasties were performed transperitoneally and 35 retroperitoneally. Results: In the retroperitoneal group, we had a success rate of 91.5% after a mean follow-up of 22 months, and in the transperitoneal group, we had a success rate of 91.7% after a mean follow-up of 48 months. The mean operative time was 156 min in the retroperitoneal group and 195 min in the transperitoneal group. Conclusion: This study shows a success rate comparable with open pyeloplasty and favors the retroperitoneal route with a shorter operative time, less dissection needed, a higher sensitivity of detecting crossing vessels, a decreased risk in visceral injury and an early start of oral feeds.

Keywords:
Ureteropelvic junction obstruction, Retroperitoneal, Transperitoneal, Laparoscopic pyeloplasty, Ureteric stenting
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© 2010 S. Karger AG, Basel
2010
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