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Efficacy and safety of 1064-nm Q-switched Nd:YAG laser with low fluence for keloids and hypertrophic scars

Authors
 SB Cho  ;  JH Lee  ;  SH Lee  ;  SJ Lee  ;  D Bang  ;  SH Oh 
Citation
 Journal of the European Academy of Dermatology and Venereology, Vol.24(9) : 1070-1074, 2010 
Journal Title
 Journal of the European Academy of Dermatology and Venereology 
ISSN
 0926-9959 
Issue Date
2010
MeSH
Adult ; Cicatrix/therapy* ; Female ; Humans ; Laser Therapy*/adverse effects ; Male ; Treatment Outcome
Keywords
hypertrophic scar ; keloid ; Q‐switched Nd:YAG laser
Abstract
BACKGROUND: Several treatment modalities using laser devices have been used for the treatment of keloids and hypertrophic scars with various therapeutic outcomes. OBJECTIVE: The purpose of this study was to describe the efficacy and safety of 1064-nm Q-switched (QS) Nd:YAG laser with low fluence on keloids and hypertrophic scars. METHODS: Keloids and hypertrophic scars located at 21 anatomic sites in 12 Korean patients (10 men and 2 women; mean age 23.8 years, range 21-33) were treated using 1064-nm QS Nd:YAG laser with low fluence at 1-2 week intervals. Treatment settings were 1.8-2.2 J/cm(2), 7-mm spot size and 5-6 passes with appropriate overlapping. RESULTS: Follow-up data collected 3 months after the final treatment revealed decreases in the mean score for the following lesion characteristics: pigmentation from 1.8 to 1.2; vascularity from 1.4 to 1.0; pliability from 3.0 to 2.0 and height from 2.3 to 1.8. The modified Vancouver General Hospital Burn Scar Assessment score decreased from 8.6 to 5.9 (P < 0.0001). Observed side-effects were a mild prickling sensation during treatment, and mild post-treatment erythema, both of which resolved within few hours. CONCLUSION: Our results demonstrate that QS Nd:YAG laser with low fluence may be used for the treatment of keloids and hypertrophic scars.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1468-3083.2010.03593.x/abstract
DOI
10.1111/j.1468-3083.2010.03593.x
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Dermatology (피부과학교실) > 1. Journal Papers
Yonsei Authors
Bang, Dong Sik(방동식)
Oh, Sang Ho(오상호) ORCID logo https://orcid.org/0000-0002-4477-1400
Lee, Ju Hee(이주희) ORCID logo https://orcid.org/0000-0002-1739-5956
Cho, Sung Bin(조성빈)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/101511
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