EXTRACORPOREAL SHOCK‐WAVE LITHOTRIPSY FOR DISTAL URETERIC CALCULI

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Abstract
The results of 67 consecutive patients referred to the New South Wales Lithotripter Centre with distal ureteric calculi were evaluated. All these patients were treated on the Dornier HM3 Lithotripter. Distal ureteric calculi were classified as those at, or distal to, the proximal margin of the sacro-iliac joint. Eleven patients with stones overlying the sacro-iliac joint were treated in the prone position, while 56 patients with stones distal to the sacro-iliac joint, were treated in the saddle (astride) position. Of the 64 patients in whom follow-up was available, 44 (69%) were rendered totally stone free by extracorporeal shock-wave lithotripsy (ESWL). Lithotripsy has proved an effective treatment for distal ureteric calculi and has rendered 69% of patients stone free with minimal morbidity. Stones overlying the sacro-iliac joint can be successfully treated in the prone position.