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Aldoukhi AH, Roberts WW, Hall TL, et al. Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?. Front Surg. 2017;4:57doi: 10.3389/fsurg.2017.00057.
Aldoukhi, A. H., Roberts, W. W., Hall, T. L., & Ghani, K. R. (2017). Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?. Frontiers in surgery, 457. https://doi.org/10.3389/fsurg.2017.00057
Aldoukhi, Ali H, et al. "Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?." Frontiers in surgery vol. 4 (2017): 57. doi: https://doi.org/10.3389/fsurg.2017.00057
Aldoukhi AH, Roberts WW, Hall TL, Ghani KR. Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?. Front Surg. 2017 Sep 29;4:57. doi: 10.3389/fsurg.2017.00057. eCollection 2017. PMID: 29067287; PMCID: PMC5649137.
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Front Surg. 2017 Sep 29;4:57. doi: 10.3389/fsurg.2017.00057. eCollection 2017.

Holmium Laser Lithotripsy in the New Stone Age: Dust or Bust?.

Frontiers in surgery

Ali H Aldoukhi, William W Roberts, Timothy L Hall, Khurshid R Ghani

Affiliations

  1. Division of Endourology, Department of Urology, University of Michigan, Ann Arbor, MI, United States.
  2. Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, United States.

PMID: 29067287 PMCID: PMC5649137 DOI: 10.3389/fsurg.2017.00057

Abstract

Modern day holmium laser systems for ureteroscopy (URS) provide users with a range of settings, namely pulse energy (PE), pulse frequency (Fr), and pulse width (PW). These variables allow the surgeon to choose different combinations that have specific effects on stone fragmentation during URS lithotripsy. Contact laser lithotripsy can be performed using fragmentation or dusting settings. Fragmentation employs settings of low Fr and high PE to break stones that are then extracted with retrieval devices. Dusting is the utilization of high Fr and low PE settings to break stones into submillimeter fragments for spontaneous passage without the need for basket retrieval. Use of the long PW mode during lithotripsy can reduce stone retropulsion and is increasingly available in new generation lasers. During non-contact laser lithotripsy, stone fragments are rapidly pulverized in a calyx in laser bursts that result in stones breaking into fine fragments. In this review, we discuss the effect of different holmium laser settings on stone fragmentation, and the clinical implications in a very much evolving field.

Keywords: dusting; fragmentation; holmium laser; lithotripsy; ureteroscopy

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