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J Pediatr Urol. 2009 Dec;5(6):475-9. doi: 10.1016/j.jpurol.2009.03.004. Epub 2009 Apr 8.

Robot-assisted laparoscopic ureteroureterostomy for proximal ureteral obstructions in children.

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  • 1Department of Urologic Surgery, Pediatric Division, 420 Delaware Street S.E., MMC 394, University of Minnesota, Minneapolis, MN 55455, USA.

Abstract

OBJECTIVE:

Ureteropelvic junction obstruction is a common presentation in the pediatric population, but proximal ureteral obstructions are rare. In this setting, robot-assisted laparoscopy (RAL) offers a minimally invasive option to open or traditional laparoscopic repair. The present study demonstrates successful RAL in two children with proximal ureteral obstructions: one with a right retrocaval ureter and one with a left ureter entrapped between two lower-pole crossing vessels.

METHOD:

After retrograde placement of a double-J ureteral stent, the child was secured in a lateral decubitus position exposing the affected side. A three-port RAL system was used to dissect free the obstructed ureter. A spatulated watertight ureteroureterostomy was then fashioned after transposition of the ureter into an anatomic position. Sutures and free instruments were passed into the peritoneal cavity via the 5-mm instrument ports, thus obviating the need for a separate assistant port.

RESULTS:

RAL provided for crisp visualization, meticulous dissection, and precise approximation of the reconstructed ureter. In both patients, blood loss was negligible, narcotic use was minimal, and length of stay was roughly 30h. Follow-up imaging at 1 month showed excellent hydronephrosis resolution for both reconstructions.

CONCLUSION:

These two cases demonstrate the feasibility of RAL for proximal ureteral anomalies in the pediatric population.

PMID:
19356984
[PubMed - indexed for MEDLINE]
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