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[Current therapy of ureteral calculus].
Der Urologe. Ausg. A
|May 1, 1989
Summary
Extracorporeal shock wave lithotripsy (ESWL) is effective for ureteral calculi, even with a modified lithotripter. This treatment avoids anesthesia and invasive procedures like ureteroscopy for most patients.
Area of Science:
- Urology
- Nephrology
- Medical Engineering
Context:
- The advent of anesthesia-free lithotripsy has reignited debate on optimal ureteral stone treatment.
- Traditional approaches include retrograde manipulation for proximal calculi and ureteroscopy for distal stones.
Purpose:
- To evaluate the efficacy of a modified HM3 Lithotripter for in situ extracorporeal shock wave lithotripsy (ESWL) in treating ureteral calculi.
- To compare ESWL outcomes with historical data and assess its suitability as a primary treatment.
Summary:
- A retrospective study (Jan-Aug 1988) assessed patients with ureteral calculi treated with a modified HM3 Lithotripter (40 nF, 17 cm ellipsoid).
- Successful treatment rates were 70% for proximal stones and 90% for distal stones, with no anesthesia or auxiliary measures required.
- These results were comparable to the older HM3 model, indicating sustained ESWL effectiveness.
Impact:
- ESWL with the modified HM3 Lithotripter offers a non-invasive alternative for the majority of ureteral calculi patients.
- This approach potentially reduces patient discomfort and the risks associated with retrograde manipulation and ureteroscopy.