title: Percutaneous transrenal balloon dilatation of the ureter.
abstract: Six strictures of the ureter were dilated with balloon angioplasty catheters. Two obstructed ureterovesical junctions in transplant patients were successfully treated. One obstructed ureteropelvic junction in a transplant kidney with a redundant ureter failed to respond. One of 2 uretero-ileostomy junction strictures was successfully treated, though one mid-ureteral stricture remained unchanged. Multiple dilatations were necessary in several patients. No significant complications were noted. Pre- and post-dilatation assessment of obstruction using the Whitaker test was helpful in transplant patients.
mesh_terms: D000328:Adult; D000368:Aged; D000800:Angioplasty, Balloon / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation; D004106:Dilatation / Q000379:methods; D005260:Female; D006801:Humans; D016030:Kidney Transplantation; D008297:Male; D008875:Middle Aged; D014517:Ureteral Obstruction / Q000628:therapy*