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We assessed whether an external ureteropelvic stent was a feasible and safe alternative to Double-J® stent after laparoscopic pyeloplasty in children, thus avoiding a second general anesthesia.

Our study included 22 concurrent age matched children who underwent retroperitoneal laparoscopic pyeloplasty between 2000 and 2008. In group 1 an external ureteropelvic stent was inserted through the renal pelvis, then clamped on postoperative day 2. In group 2 a Double-J stent was antegradely inserted. The ureteropelvic stent was removed at the outpatient clinic on day 10, while the Double-J stent was removed under general anesthesia at 1 month. We retrospectively compared operative time, hospital stay, intraoperative and postoperative complications, and followup.

Mean ± SD age at surgery was 31 ± 9 months in group 1 and 37 ± 12 months in group 2. Mean ± SD …