How much energy do we need to ablate 1 mm
Holmium YAG
Laser
Lithotripsy
Volume
Journal
World journal of urology
ISSN: 1433-8726
Titre abrégé: World J Urol
Pays: Germany
ID NLM: 8307716
Informations de publication
Date de publication:
Nov 2020
Nov 2020
Historique:
received:
26
10
2019
accepted:
09
01
2020
pubmed:
29
1
2020
medline:
22
6
2021
entrez:
29
1
2020
Statut:
ppublish
Résumé
Holmium:yttrium-aluminium-garnet (Ho:YAG) is currently the gold standard for lithotripsy for the treatment of all known urinary stone types. Stone composition and volume are major determinants of the lithotripsy. This in vitro study evaluated the required energy to ablate 1 mm 272 µm core-diameter laser fibers (Boston Scientific All settings considered, ablation volumes per pulse (AVP) for COM were significantly lower than those for UA and Cys (p = 0.002 and p = 0.03, respectively), whereas AVP for Cys was significantly lower than those for UA (p = 0.03). The mean REs at 0.6 J pulse energy (PE) for COM, Cys and UA were 34, 8.5 and 3.2 J, respectively The mean REs at 1 J PE for COM, Cys and UA were 14.7, 6.4 and 2 J, respectively. At 0.6 J PE, RE for COM was more than tenfold and fivefold higher than those for UA and Cys, respectively. This in vitro study shows for the first time a volumetric evaluation of Ho:YAG efficiency by the ablation volume per pulse on human stone samples, according to various pulse energies. The REs for COM, UA and Cys should be considered in clinical practice.
Identifiants
pubmed: 31989208
doi: 10.1007/s00345-020-03091-5
pii: 10.1007/s00345-020-03091-5
doi:
Substances chimiques
Calcium Oxalate
2612HC57YE
Uric Acid
268B43MJ25
Cystine
48TCX9A1VT
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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