Introduction: The aim of this study was to assess the efficacy of ureteroscopy for lower ureteric stones without the use of fluoroscopy. Patients and Methods: Between June 2001 and January 2005, a total of 110 patients with a mean age of 33.5 years (range 12–65) suffering from of lower ureteral calculi (below the upper margin of the sacroiliac joint) prospectively underwent ureteroscopic removal. Retrograde pyelography was avoided, and no safety guidewire was placed. Whenever required, the ureteric meatus was dilated with a ureteric balloon under direct vision. Double-J stent placement was done with the aid of ureteroscopy. A fluoroscope was kept standby. The patients had a postoperative X-ray of the kidney-ureter-bladder region to document the stone clearance. Results: The mean stone size was 8.7 mm (range 6–15). Complete clearance without the use of fluoroscopy was achieved in 99 patients (94.2%). Fluoroscopy was required in 6 patients (4%) for calcified stricture (n = 1), duplex system (n = 1), narrow and tortuous meatus causing difficulty in passing the 5-Fr balloon dilator (n = 3), and confirmation of spontaneous passage of the stone (n = 1). Of the 13 patients who required balloon dilatation it was successfully achieved without fluoroscopy. Double-J stenting was done due to mucosal ulceration (n = 3), polypoid reaction (n = 2), and perforation (n = 1). All these patients had correct placement of the stent, as confirmed by X-ray of the kidney-ureter-bladder region postoperatively. Conclusions: To uphold the notion for radiation exposure to be as low as reasonably achievable, ureteroscopic stone retrieval can safely be done without the use of fluoroscopy in a significant number of patients.

Keywords:
Ureteroscopy, ureteric stones, Radiation ‘as low as reasonably achievable’ (ALARA), Fluoroscopy use restriction, Ureteric stones, fluoroscopy/ureteroscopy
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© 2007 S. Karger AG, Basel
2007
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