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Related Experiment Videos

Initial experience with therasonic lithotriptor.

D J Mykulak1, I Grunberger, R J Macchia

  • 1Department of Urology, University Hospital, State University of New York Health Science Center, Brooklyn.

Urology
|April 1, 1992
PubMed
Summary
This summary is machine-generated.

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Piezoelectric shock wave lithotripsy effectively disintegrates urinary stones with high success rates. This anesthesia-free treatment offers a safe and low-cost option for kidney stone removal.

Area of Science:

  • Urology
  • Biomedical Engineering

Background:

  • Urinary calculi (kidney stones) pose a significant health challenge.
  • Existing treatments for kidney stones vary in cost, safety, and effectiveness.
  • Piezoelectric shock wave lithotripsy presents a promising alternative.

Purpose of the Study:

  • To evaluate the effectiveness and safety of the Therasonic lithotriptor for urinary stone disintegration.
  • To assess fragmentation success rates and complication profiles.

Main Methods:

  • The study involved 138 patients with 172 urinary calculi treated between December 1988 and November 1989.
  • The Therasonic lithotriptor, utilizing piezoelectric shock wave technology, was employed for stone fragmentation.
  • Fluoroscopic and ultrasound imaging were used for stone localization and treatment monitoring.

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Main Results:

  • Successful fragmentation, defined as residual debris ≤4 mm, was achieved in 97% of patients with follow-up data.
  • The overall retreatment rate was 21.2%, with 11% for stones measuring 0.5-2.0 cm.
  • Complications were minimal, transient, and self-resolving.

Conclusions:

  • The Therasonic lithotriptor provides an effective, safe, and anesthesia-free method for urinary stone disintegration.
  • This technology demonstrates high fragmentation success rates with a low complication profile.
  • Piezoelectric shock wave lithotripsy is a viable low-cost option for managing urinary calculi.