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Influence of tissue desiccation on critical temperature for thermal damage during Er:YAG laser skin treatments
ID
Lukač, Matjaž
(
Avtor
),
ID
Košir, Jure
(
Avtor
),
ID
Žel, Tilen
(
Avtor
),
ID
Kažič, Marko
(
Avtor
),
ID
Šavli, Dominik
(
Avtor
),
ID
Jezeršek, Matija
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(1,16 MB)
MD5: 422E62EE0471B2E36C7606B60DF75BFF
URL - Izvorni URL, za dostop obiščite
https://onlinelibrary.wiley.com/doi/10.1002/lsm.23739
Galerija slik
Izvleček
Objectives: Erbium lasers have become an accepted tool for performing both ablative and non‐ablative medical procedures, especially when minimal invasiveness is desired. Hard‐tissue desiccation during Er:YAG laser procedures is a well‐known phenomenon in dentistry, the effect of which is to a certain degree being addressed by the accompanying cooling water spray. The desiccation of soft tissue has attracted much less attention due to the soft tissue's high‐water content, resulting in a smaller effect on the ablation process. Materials and methods: In this study, the characteristics of skin temperature decay following irradiations with Er:YAG laser pulses were measured using a fast thermal camera. Results: The measurements revealed a substantial increase in temperature decay times and resulting thermal exposure times following irradiations with Er:YAG pulses with fluences below the laser ablation threshold. Based on an analytical model where the skin surface cooling time is calculated from the estimated thickness of the heated superficial layer of the stratum corneum (SC), the observed phenomena is attributed to the accelerated evaporation of water from the SC's surface. By using an Arrhenius damage integral‐based variable heat shock model to describe the dependence of the critical temperature on the duration of thermal exposure, it is shown that contrary to what an inexperienced practitioner might expect, the low‐to‐medium level fluences may result in a larger thermal damage in comparison to treatments where higher fluences are used. This effect may be alleviated by hydrating the skin before Er:YAG treatments. Conclusion: Our study indicates that tissue desiccation may play a more important role than expected for soft‐tissue procedures. It is proposed that its effect may be alleviated by hydrating the skin before Er:YAG treatments.
Jezik:
Angleški jezik
Ključne besede:
critical temperature
,
Er:YAG
,
Erbium lasers
,
skin hydration
,
tissue desiccation
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FMF - Fakulteta za matematiko in fiziko
FS - Fakulteta za strojništvo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2024
Št. strani:
Str. 107–118
Številčenje:
Vol. 56, iss. 1
PID:
20.500.12556/RUL-154006
UDK:
615.849:535.374:621.375.82
ISSN pri članku:
1096-9101
DOI:
10.1002/lsm.23739
COBISS.SI-ID:
173181443
Datum objave v RUL:
18.01.2024
Število ogledov:
451
Število prenosov:
57
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Objavi na:
Gradivo je del revije
Naslov:
Lasers in surgery and medicine
Skrajšan naslov:
Lasers surg. med.
Založnik:
Wiley, American Society for Laser Medicine & Surgery
ISSN:
1096-9101
COBISS.SI-ID:
16392665
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
kritična temperatura
,
Er:YAG laser
,
erbijev laser
,
vlaženje kože
,
izsuševanje tkiva
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P2-0392
Naslov:
Optodinamika
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Fotona
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