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Ureteral stone. Treatment using the Modulith SL 20 and Lithostar plus
K U Kohrmann1, T O Henkel, M Manning
1Department of Urology, Mannheim School of Medicine, University of Heidelberg, Allemagne.
Annales D'Urologie
|January 1, 1994
Summary
Extra-corporeal shock wave lithotripsy achieves an 80% success rate for ureteric calculi. Both Siemens and Storz devices demonstrated comparable efficacy in treating kidney stones, with retreatment needed in 16% of patients.
Area of Science:
- Urology
- Medical Devices
- Nephrology
Background:
- Ureteric calculi (kidney stones) pose a significant clinical challenge.
- Extra-corporeal shock wave lithotripsy (ESWL) is a common treatment modality.
Purpose of the Study:
- To evaluate the efficacy of two third-generation ESWL devices for ureteric calculi.
- To compare the Siemens Lithostar Plus and Storz Medical Modulith SL 10 systems.
Main Methods:
- Utilized image-intensification and ultrasonography for stone localization.
- Employed electromagnetic wave generation and acoustic lenses or parabolic reflectors for shock wave focusing.
- Assessed treatment success rates regardless of stone location.
Main Results:
- An overall success rate of 80% was observed for ESWL treatment of ureteric calculi.
- No significant difference in efficacy was found between the Siemens Lithostar Plus and Storz Medical Modulith SL 10.
- A secondary shock wave session was required in 16% of cases, and 7% needed additional interventions.
Conclusions:
- Both evaluated ESWL devices are effective for treating ureteric calculi.
- ESWL offers a high success rate for kidney stone management.
- A minority of patients may require repeat treatment or alternative therapies.