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Long Pulse-Width Setting Improves Holmium-YAG Laser Lithotripsy - Enhanced Fragmentation and Retropulsion Characteristics of Renal Calculi in a Novel In-Vivo Setting.
Surg Technol Int. 2020 06 10; 37ST

Abstract

The aim of this novel in vivo study was to characterize the effect of short pulse-width versus long pulse-width Holmium-YAG laser lithotripter settings on retropulsion and fragmentation in a real-life setting. A prospective, crossover study was conducted at a tertiary teaching hospital in NSW, Australia. Patients who underwent flexible ureteroscopy with laser lithotripsy for renal calculi in 2018 were included. All patients underwent flexible ureteroscopy using a Flexor® 10.7/12 French ureteric access sheath (Cook Medical LLC, Bloomington, IN, USA) and lithotripsy with a 30W Holmium-YAG laser (Rocamed, Monaco). Thirty-two renal calculi were subjected to 1 min of laser treatment using both short and long pulse-width settings. Using 5-point, operator-assessed Likert scales, the level of retropulsion and fragmentation efficacy were assessed. There was significantly less retropulsion and improved stone fragmentation (p<0.001) using the long pulse-width compared to the short pulse-width setting. Regardless of stone size, in vivo renal calculi lithotripsy with a long pulse-width significantly improves the efficacy of lithotripter treatment.

Authors+Show Affiliations

Nepean Urology Research Group (NURG), Kingswood, NSW, Australia, University of Newcastle, Newcastle, NSW, Australia, University of Sydney, Camperdown, NSW, Australia.Nepean Urology Research Group (NURG), Kingswood, NSW, Australia, University of Sydney, Camperdown, NSW, Australia.Nepean Urology Research Group (NURG), Kingswood, NSW, Australia.Nepean Urology Research Group (NURG), Kingswood, NSW, Australia.Nepean Urology Research Group (NURG), Kingswood, NSW, Australia, Nepean Clinical School, University of Sydney, Kingswood, NSW, Australia.Nepean Urology Research Group (NURG), Kingswood, NSW, Australia.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32520387

Citation

Kam, Jonathan, et al. "Long Pulse-Width Setting Improves Holmium-YAG Laser Lithotripsy - Enhanced Fragmentation and Retropulsion Characteristics of Renal Calculi in a Novel In-Vivo Setting." Surgical Technology International, vol. 37, 2020.
Kam J, Jackson S, Yuminaga Y, et al. Long Pulse-Width Setting Improves Holmium-YAG Laser Lithotripsy - Enhanced Fragmentation and Retropulsion Characteristics of Renal Calculi in a Novel In-Vivo Setting. Surg Technol Int. 2020;37.
Kam, J., Jackson, S., Yuminaga, Y., Winter, M., Khadra, M., & Ko, R. (2020). Long Pulse-Width Setting Improves Holmium-YAG Laser Lithotripsy - Enhanced Fragmentation and Retropulsion Characteristics of Renal Calculi in a Novel In-Vivo Setting. Surgical Technology International, 37.
Kam J, et al. Long Pulse-Width Setting Improves Holmium-YAG Laser Lithotripsy - Enhanced Fragmentation and Retropulsion Characteristics of Renal Calculi in a Novel In-Vivo Setting. Surg Technol Int. 2020 06 10;37 PubMed PMID: 32520387.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Long Pulse-Width Setting Improves Holmium-YAG Laser Lithotripsy - Enhanced Fragmentation and Retropulsion Characteristics of Renal Calculi in a Novel In-Vivo Setting. AU - Kam,Jonathan, AU - Jackson,Stuart, AU - Yuminaga,Yuigi, AU - Winter,Matthew, AU - Khadra,Mohamed, AU - Ko,Raymond, Y1 - 2020/06/10/ PY - 2020/6/11/entrez PY - 2020/6/11/pubmed PY - 2020/6/11/medline JF - Surgical technology international JO - Surg Technol Int VL - 37 N2 - The aim of this novel in vivo study was to characterize the effect of short pulse-width versus long pulse-width Holmium-YAG laser lithotripter settings on retropulsion and fragmentation in a real-life setting. A prospective, crossover study was conducted at a tertiary teaching hospital in NSW, Australia. Patients who underwent flexible ureteroscopy with laser lithotripsy for renal calculi in 2018 were included. All patients underwent flexible ureteroscopy using a Flexor® 10.7/12 French ureteric access sheath (Cook Medical LLC, Bloomington, IN, USA) and lithotripsy with a 30W Holmium-YAG laser (Rocamed, Monaco). Thirty-two renal calculi were subjected to 1 min of laser treatment using both short and long pulse-width settings. Using 5-point, operator-assessed Likert scales, the level of retropulsion and fragmentation efficacy were assessed. There was significantly less retropulsion and improved stone fragmentation (p<0.001) using the long pulse-width compared to the short pulse-width setting. Regardless of stone size, in vivo renal calculi lithotripsy with a long pulse-width significantly improves the efficacy of lithotripter treatment. SN - 1090-3941 UR - https://www.unboundmedicine.com/medline/citation/32520387/Long_Pulse-Width_Setting_Improves_Holmium-YAG_Laser_Lithotripsy_-_Enhanced_Fragmentation_and_Retropulsion_Characteristics_of_Renal_Calculi_in_a_Novel_In-Vivo_Setting DB - PRIME DP - Unbound Medicine ER -
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