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KMID : 0358319960370090990
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Korean Journal of Urology
1996 Volume.37 No. 9 p.990 ~ p.995
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Extracorporeal Shock Wave Lithotripsy: Experience of the Year with Modulith SLC
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김희수
서원교/박철희/김천일/민권식/최성협/한상석
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Abstract
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Storz Modulith SLX represents a newly developed third generation lithotriptor with an electromagnetic cylinder as shock wave source and a dual localization system consisting of inline ultrasound and an integrated fluoroscope C-arm. We report our
initial
experience with in situ ESWL treatment of renal and ureteral stones with Modulith SLX. 282 patients with urinary stones were treated. Stones were located in calices or the renal pelvis in 24.1%, in the upper ureter in 50.5%, in the midureter in
6.1% and
in the lower ureter in 22.0%. The age range of the patients was 18 to 73 years (mean of 438 years). The male to female ratio was 1.6: 1. The size of the stones raged from 3 to 48mm (mean of 11.6mm). No general or regional anesthesia was required.
The
ranber of shock waves was 3,250 shock/session and the total number of treatment session was 535 (mean of 1.9/person). The success rate was 84.1% in kidney, 92.6% in upper ureter, 83.3% in midureter and 95.4% in lower ureter respectively (overall
90.8%).
The success rate was decreased in accordance with increment of stones size : 93.9% for stones of 110mm, 86.2% for 11-20mm, 44.4% for stones larger than 20mm. There was no signficant complications. In conclusion, ESWL with Storz Modulith SLX is
the
first
choice of management for urinary stones less than 20mm in diameter regardless of the stone location. And it is an efficient and safe ithotriptor which allows anesthesia-free lithotripsy and teratment for outpatient basis.
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