Indwelling ureteral stents: percutaneous management of complications.

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Abstract
Complications of indwelling ureteral stents were managed percutaneously in 13 patients. These complications consisted of three fractured, three heavily encrusted, and seven migrated stents. While most ureteral stent malfunctions are routinely managed with retrograde techniques, the percutaneous approach allows effective clinical management in selected cases in which extensive renal stone material or brittle intrarenal stent fragments are present or when previous surgery or ureteral strictures do not permit a retrograde approach. Fluoroscopically guided removal of migrated stents and percutaneous endoscopic techniques, for complex cases such as those requiring stone removal, were successful and without complications.