Effects of diode laser setting for laryngeal surgery in a rabbit model.
Diode laser
Endolaryngeal surgery
Larynx
Laser injury
Vocal fold
Wound healing
Journal
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
ISSN: 1434-4726
Titre abrégé: Eur Arch Otorhinolaryngol
Pays: Germany
ID NLM: 9002937
Informations de publication
Date de publication:
May 2019
May 2019
Historique:
received:
23
08
2018
accepted:
12
02
2019
pubmed:
18
3
2019
medline:
14
6
2019
entrez:
18
3
2019
Statut:
ppublish
Résumé
To study the damaging effect of different diode laser settings on vocal folds 7 days after injury in a rabbit model. Twenty-one male New Zealand white rabbits were randomized into three groups with seven animals per group. A 980-nm diode laser was used to create a single spot injury in each vocal fold. Different modulation frequencies (10 Hz versus 1000 Hz) in pulsed mode, different powers (3 W versus 5 W), and distinct wave modes of radiation (pulsed versus continuous) were compared. The extent of the inflammatory infiltrate and ablation crater were greater when using 5-W optical power compared with 3 W. The extent and depth of the inflammatory infiltrate, and the width and depth of the ablation crater were greater with continuous wave mode compared with pulsed mode. The density of collagen fibers only increased when using the laser in continuous wave mode. The use of the 980-nm diode laser with an output power of 5 W produced an increased extent of thermal injury compared to an output power of 3 W and, more importantly, using continuous rather than pulsed wave mode significantly increased the extent and depth of thermal injury in rabbit vocal folds.
Identifiants
pubmed: 30879190
doi: 10.1007/s00405-019-05344-5
pii: 10.1007/s00405-019-05344-5
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1431-1438Subventions
Organisme : Fundação de Amparo à Pesquisa de São Paulo
ID : 2015/25095-0
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