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[Clinical application of extracorporeal microexplosive lithotripsy]
1Department of Urology, Dokkyo University School of Medicine.
Hinyokika Kiyo. Acta Urologica Japonica
|March 1, 1989
Summary
Extracorporeal microexplosive lithotripsy (EML) effectively treated upper urinary tract calculi in 57% of patients, with 37% showing residual fragments under 5mm. This minimally invasive approach offered tolerable pain and avoided anesthesia for most patients.
Area of Science:
- Urology
- Nephrology
- Medical Technology
Context:
- Investigating novel minimally invasive treatments for upper urinary tract calculi.
- Evaluating the efficacy and patient tolerance of extracorporeal microexplosive lithotripsy (EML).
- Assessing a specific lithotripter (SZ-1) utilizing microexplosions for stone fragmentation.
Purpose:
- To determine the effectiveness of EML in disintegrating upper urinary tract stones.
- To assess the clearance rate of calculi and stone fragments post-EML treatment.
- To document patient-reported pain and need for anesthesia during EML procedures.
Summary:
- Extracorporeal microexplosive lithotripsy (EML) was used for 66 treatments on 46 patients with upper urinary tract calculi.
- Post-treatment, 57% of patients were stone-free, 37% had fragments ≤5mm, and 6% had fragments >5mm.
- EML treatment was generally well-tolerated, with mild, tolerable pain and no anesthesia required for any patient.
Impact:
- Demonstrates EML as a viable, minimally invasive option for upper urinary tract stone management.
- Highlights the potential for high stone-free rates with EML therapy.
- Provides data on patient comfort and safety, supporting its clinical application.