Hong Kong Med J 1995;1:110-4 | Number 2, June 1995
The efficacy of extracorporeal shock wave lithotripsy in the treatment of ureteric stones
KH Yip, PC Tam, CWF Lee, YL Leung
Department of Surgery, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong
This study was conducted to evaluate the efficacy of in situ extracorporeal shock wave lithotripsy treatment of ureteric stones using the Dornier MFL 5000 lithotripter. From March 1991 to June 1994, 184 patients received in situ extracorporeal shock wave lithotripsy treatment. The overall success rate was 76% (77% for upper; 69% for middle; and 81% for lower ureteric stones, respectively). The level and size of the stones did not affect the final outcome significantly. An average of 1.23 sessions were required for each patient and the rate of major auxiliary intervention was 21%. We conclude that extracorporeal shock wave lithotripsy is an effective treatment for ureteric stones.
Key words: Shockwaves, ultrasonic; Extracorporeal shockwave lithotripsy; Ureteral calculi
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