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Intracorporeal lithotripsy with the Swiss lithoclast
S N Wadhwa1, A K Hemal, R K Sharma
1Department of Urology, All-India Institute of Medical Sciences, New Delhi.
Objective:
To evaluate the use of the Swiss lithoclast in the management of urinary calculi.
Patients And Methods:
Between January and November 1993, 60 patients with a total of 61 urinary calculi were treated with the Swiss lithoclast. Forty patients had a ureteric calculus, two had a ureterocele with a calculus, one a steinstrasse, 16 a vesical stone and two a urethral calculus. Eighty per cent of patients were treated on a day-care basis.
Results:
Fragmentation of the urinary calculi was successful in 59 of the 60 patients. Both patients with a urethral calculus and 15 of 16 with a vesical calculus were stone-free after the procedure. All those with a ureteric calculus were stone-free at 6 weeks. There were no intra-operative or long-term complications directly related to the use of the Swiss lithoclast.
Conclusion:
The results of this study show that the Swiss lithoclast is a simple, safe, reliable and economical method of endoscopic lithotripsy for the treatment of urinary tract calculi. Although the lithoclast's use is limited to rigid or semi-rigid endoscopes there is now a suction facility for the immediate removal of small stone fragments.