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Moses technology in a stone simulator.

Ahmed Ibrahim1,2, Shadi Badaan3, Mostafa M Elhilali1

  • 1Department of Urology, Royal Victoria Hospital, McGill University Health Centre, Montreal, QC, Canada.

Canadian Urological Association Journal = Journal De L'Association Des Urologues Du Canada
|January 11, 2018
PubMed
Summary
This summary is machine-generated.

The Moses contact mode significantly reduces stone retropulsion and shortens procedural time during laser lithotripsy compared to the conventional regular mode, making it a more efficient treatment for kidney stones.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Laser Technology

Background:

  • Holmium laser lithotripsy is a common treatment for kidney stones.
  • Conventional regular mode has limitations in stone fragmentation efficiency.
  • Moses contact mode offers a potential improvement.

Purpose of the Study:

  • To compare the fragmentation efficiency of holmium laser's regular mode versus Moses contact mode.
  • To evaluate stone retropulsion and procedural time in a stone simulator model.

Main Methods:

  • Utilized Lumenis Pulse P120 H holmium laser with Moses D/F/L fibers.
  • Compared regular and Moses contact modes in a flexible ureteroscopy stone simulator.
  • Measured procedural time, stone retropulsion (Likert scale), and laser pedal activation frequency.

Main Results:

  • Moses contact mode significantly reduced stone retropulsion (mean Grade 2.5 vs. 1; p<0.01).
  • Procedural time was significantly shorter with Moses mode for fragmentation (13.9 vs. 9.1 min) and dusting (9.3 vs. 7.1 min).
  • Laser pedal presses and lasing vs. pausing percentages were significantly more favorable with Moses mode.

Conclusions:

  • Moses technology enhances laser lithotripsy efficiency.
  • Reduced stone retropulsion is a key factor in the improved outcomes with Moses mode.
  • Moses contact mode offers a more efficient alternative to regular mode for stone treatment.