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Related Experiment Videos

Early experience with extracorporeal shockwave Dornier lithotriptor "compact"

S Hamdy1, D D Morehouse, H Laporte

  • 1Department of Urology, Royal Victoria Hospital, McGill University, Montréal, Québec, Canada.

Journal of Endourology
|June 1, 1995
PubMed
Summary

This study evaluated a new extracorporeal shockwave lithotripsy (SWL) device with integrated ultrasound. The Dornier Compact machine demonstrated effectiveness in fragmenting kidney stones, with mild side effects and good stone-free rates at two weeks.

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Area of Science:

  • Urology
  • Medical Devices
  • Nephrology

Background:

  • Extracorporeal shockwave lithotripsy (SWL) is a common procedure for kidney stone treatment.
  • Advancements in SWL technology aim to improve safety and efficacy.
  • Integrated imaging systems enhance stone localization and treatment monitoring.

Purpose of the Study:

  • To assess the safety and effectiveness of a new electromagnetic extracorporeal shockwave lithotripsy (SWL) device with integrated ultrasound imaging.
  • To evaluate stone fragmentation and stone-free rates in patients treated with this novel SWL system.

Main Methods:

  • A prospective study involving 88 patients (93 renal units) treated with the Dornier Compact SWL machine.
  • 135 stones were treated, with continuous ultrasound monitoring for localization and safety.

Related Experiment Videos

  • Patients received an average of 2409 shocks per session; follow-up included plain films at 2 weeks and 3 months.

    • Main Results:

    • Complete stone fragmentation was achieved in 35 sessions (32.7%), with partial fragmentation in 63 sessions (59.4%).
    • Early adverse effects were uncommon and mild.
    • After 2 weeks, 33% of treated renal units were stone-free, while 67% had residual stones.

    Conclusions:

    • The new electromagnetic SWL device with integrated ultrasound is a safe and effective option for kidney stone treatment.
    • Continuous ultrasound monitoring enhances the safety margin of SWL.
    • Further research may be needed to optimize stone-free rates and long-term outcomes.