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J Urol. 1996 Sep;156(3):1099-100.

Endourological management of ureteral obstruction after renal transplantation.

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  • 1Department of Urology, University Hospital Groningen, The Netherlands.

Abstract

PURPOSE:

We evaluated endourological treatment of ureteral obstruction after renal transplantation.

MATERIALS AND METHODS:

Between January 1986 and December 1993, 582 kidney transplantations were performed at our center, and ureteral obstruction was suspected in 31 cases (5.3%).

RESULTS:

Initial treatment consisted of retrograde placement of an internal stent in 6 patients and percutaneous nephrostomy in 25. Due to upper tract dilatation obstruction could not be diagnosed in 3 patients, and rejection was the cause of decreasing renal function. Obstruction was temporary in 8 of the remaining 28 patients, including 6 in whom a Double-J stent was introduced in a retrograde manner without anesthesia. In the other 2 patients was well as the 20 with definitive obstruction, cannulation of the transplant orifice without anesthesia was unsuccessful and percutaneous nephrostomy drainage was necessary. Even with general anesthesia a guide wire could not be passed along the stricture in a retrograde or antegrade fashion in 7 of the 20 patients with definitive obstruction and open surgery was performed. The remaining 13 patients underwent dilation with (9) or without (4) diathermic incision. All 4 patients treated with dilation only had recurrent obstruction, while 9 treated with dilation and incision had no recurrence after a minimum followup of 27 months (mean 58).

CONCLUSIONS:

Modern endourological procedures have replaced open reconstructive surgery in the majority of patients with ureteral obstruction after renal transplantation.

PMID:
8709316
[PubMed - indexed for MEDLINE]
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