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Mobile versus fixed site lithotripsy.

C Lewis1, N A Burgess, R C Feneley

  • 1Department of Urology, University Hospital of Wales, Cardiff.

Annals of the Royal College of Surgeons of England
|September 1, 1991
PubMed
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A mobile Dornier HM4 lithotriptor demonstrated comparable fragmentation rates to a fixed Siemens Lithostar. This mobile unit offers potential advantages for kidney stone treatment, showing effective stone-free rates with minimal complications.

Area of Science:

  • Urology
  • Medical Devices
  • Nephrology

Background:

  • Kidney stones (calculi) pose a significant health burden.
  • Extracorporeal shock wave lithotripsy (ESWL) is a common treatment modality.
  • Mobile lithotripsy units offer potential logistical advantages over fixed-site systems.

Purpose of the Study:

  • To compare the efficacy of a mobile Dornier HM4 lithotriptor with a fixed-site Siemens Lithostar.
  • To evaluate stone fragmentation and stone-free rates.
  • To assess complication incidence between the two lithotriptor systems.

Main Methods:

  • A comparative study involving 115 patients with kidney stones.
  • Treatment administered using either a mobile Dornier HM4 (55 patients) or a fixed Siemens Lithostar (60 patients).

Related Experiment Videos

  • Analysis of stone fragmentation, stone-free status at 3 months, and complication rates.

    • Main Results:

    • Similar stone fragmentation rates were observed (88% mobile vs. 75% fixed).
    • Higher stone-free rates at 3 months for the mobile Dornier HM4 group (66%) compared to the fixed Lithostar group (46%).
    • No serious complications and similar mild complication rates were reported for both systems.

    Conclusions:

    • The mobile Dornier HM4 lithotriptor is an effective device for kidney stone treatment.
    • Mobile lithotripsy units can provide comparable or superior outcomes to fixed-site machines.
    • Mobile lithotriptors present advantages for patient care and treatment accessibility.