ArticleWorld journal of urology2025
Ho: YAG and thulium fiber lasers exhibit comparable temperature distribution: an in vitro evaluation of thermal safety distances for endourological applications-section of EAU endourology.
Article in World journal of urology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Thermal determinants during in situ lithotripsy of nonrelocatable impacted ureteral calculi using a flexible and navigable suction ureteral access sheath: an in vitro study.World journal of urology · 2026Article
- Pre-clinical evaluation of a laser system with emission control based on stone vs soft tissue recognition.BJU international · 2026Article
- RIRS outcomes of conventional and pulse-modulated Ho:YAG lasers versus thulium fiber laser: a multinomial matching analysis.Urolithiasis · 2026Article
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16 authors.
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Abstract
introductionThe concept of thermal safety distance upon laser activation has been recently introduced. We aimed to compare the thermal safety distance of Ho: YAG and thulium fiber laser (TFL) activation at different setups using an in vitro model.
methodsThe experimental setup used a glass pipette with an open roof bulb in a 37 °C water bath to simulate a renal calyx. We analyzed two scenarios: (1) Laser activation without irrigation; (2) Laser activation at the center of the calyx with irrigation (saline at 40 cmH
resultsWe observed no differences both in recorded temperature values and in their temporal/spatial distribution (all p > 0.05). The safety threshold was not exceeded for either Ho: YAG or TFL lasers at 5 W, 10 W, and 20 W when irrigation was applied, with no statistically significant difference in safety distance between the two lasers (p > 0.05). Similarly, without irrigation, only the 20 W (Ho: YAG: 0.93 ± 0.11 mm, TFL: 0.84 ± 0.09 mm) settings exceeded the safety threshold, and no significant difference in safety distance was found between the lasers (p > 0.05).
conclusionsNo differences in safety distance were observed between TFL and Ho: YAG lasers, regardless of irrigation or power settings. It is recommended for both lasers to remain below 20 W in absence of proper irrigation.
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