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[Extracorporeal lithotripsy in urinary calculi using the LT 01 EDAP].
C Coulange1, F Hernandez, H Leremboure
1Service d'Urologie, Hôpital de la Timone, Marseille.
Annales D'Urologie
|January 1, 1988
Summary
Low-frequency extracorporeal lithotripsy (ECL) offers a safe, effective treatment for kidney stones, with high success rates and no anesthesia required. This method avoids scintigraphic scars seen with high-frequency treatments.
Area of Science:
- Urology
- Nephrology
- Medical Engineering
Context:
- Renal stones (kidney stones) pose a significant health challenge.
- Extracorporeal lithotripsy (ECL) is a common treatment modality.
- Previous ECL methods sometimes required anesthesia and carried risks of tissue damage.
Purpose:
- To evaluate the efficacy and safety of low-frequency extracorporeal lithotripsy using the EDAP apparatus for renal stones.
- To assess the need for anesthesia and the occurrence of scintigraphic scars.
- To determine success rates based on stone size and the potential for repeat procedures.
Summary:
- 369 renal stone patients underwent ECL with ultrasound detection and piezoelectric destruction.
- Low frequencies (1.25-5 Hz) enabled treatment without anesthesia in 82% of cases.
- Success rates were 61%, with best outcomes for stones <20mm; no scintigraphic scars were observed at low frequencies.
Impact:
- Low-frequency ECL is a viable, outpatient procedure for renal stones, reducing the need for anesthesia.
- This technique shows promise in minimizing treatment-related tissue damage.
- It represents a significant portion (79%) of primary indications for renal stone treatment in the study setting.