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Extracorporeal shock wave lithotripsy using the Dornier MPL 9000 lithotriptor
Urologia Internationalis
|January 1, 1994
Summary
Extracorporeal shock wave lithotripsy effectively treated urinary calculi in 336 patients. The Dornier MPL 9000 achieved a 94% disintegration rate, proving useful for most stones.
Area of Science:
- Urology
- Nephrology
Background:
- Urinary calculi (kidney stones) affect a significant number of patients.
- Extracorporeal shock wave lithotripsy (ESWL) is a common treatment modality.
Purpose of the Study:
- To evaluate the efficacy and safety of the Dornier MPL 9000 lithotriptor for treating urinary calculi.
- To assess the complete disintegration and removal rates of stones treated with ESWL.
Main Methods:
- Retrospective analysis of 336 patients treated between June 1988 and October 1991.
- Utilized the Dornier MPL 9000 lithotriptor for extracorporeal shock wave lithotripsy.
- Analyzed data on stone location, number of shock waves, anesthesia use, disintegration, and removal rates.
Main Results:
- Treated 352 renal units (286 renal, 62 ureteral stones).
- Achieved a 94% complete disintegration rate.
- Reported a 67.3% complete stone removal rate at 3 months post-treatment.
- 64% of sessions were performed without anesthesia.
- Only 11 patients required supplementary procedures.
- Observed subcapsular hematomas in 2 patients as the only severe complications.
Conclusions:
- The Dornier MPL 9000 is an effective and safe lithotriptor for urinary calculi.
- ESWL with this device is suitable for renal and ureteral stones, excluding staghorn calculi.
- Minimal need for auxiliary treatments and low complication rates support its clinical utility.