EXTRACORPOREAL SHOCK-WAVE LITHOTRIPSY USING THE DORNIER MPL-9000 LITHOTRIPTOR

336 patients with urinary calculi were treated between June 1988 and O ctober 1991 with extracorporeal shock wave lithotripsy using the Dorni er MPL 9000 lithotriptor. Of 352 renal units (a kidney and its ureter) , 286 had renal stones, 62 had ureteral stones and 10 had both. There were radiolucent stones in 6 units. The complete disintegration rate w as 94%. The mean number of shock waves was 2,973, the range being from 300 to 16,131. In 310 of 447 (64%) sessions, treatment was done witho ut any anesthesia. The rate of complete removal was 67.3% 3 months aft er the last treatment. Only 11 patients required supplementary treatme nt consisting of percutaneous nephrolithotripsy and transurethral lith otripsy. There were no severe complications except subcapsular hematom as observed in 2 patients. The Dornier MPL 9000 is a useful lithotript or for the treatment of urinary calculi, except staghorn calculi.