Low-fluence Q-switched Nd:YAG laser for the treatment of melasma in Asian patients
- Authors
- Choi, Jae Eun; Lee, Dong Won; Seo, Soo Hong; Ahn, Hyo Hyun; Kye, Young Chul
- Issue Date
- 12월-2018
- Publisher
- WILEY
- Citation
- JOURNAL OF COSMETIC DERMATOLOGY, v.17, no.6, pp.1053 - 1058
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF COSMETIC DERMATOLOGY
- Volume
- 17
- Number
- 6
- Start Page
- 1053
- End Page
- 1058
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/71419
- DOI
- 10.1111/jocd.12760
- ISSN
- 1473-2130
- Abstract
- Background Melasma is a common acquired facial pigmentary disorder that is resistant to various modalities of treatment. Recently, the low-fluence 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser (QSNY) has emerged as the new gold standard of melasma treatment in Asia. Objective To evaluate the efficacy and safety of low-fluence 1064-nm QSNY in Asian patients with melasma. Methods Data of patients with melasma treated with low-fluence QSNY in the department of dermatology at the Korea University Anam Hospital were reviewed retrospectively. A 1064-nm QSNY with 8 mm spot size and fluence of 1.2-2.0 J/cm(2) at 10 Hz was used. The results were evaluated using the modified Melasma Area and Severity Index (mMASI) score and the physician's global assessment (PGA). Results A total of 40 Korean patients with Fitzpatrick skin type III to IV were included. Patients were treated for a median of 10 sessions at a median of 1-week intervals. The mean mMASI score decreased by 54.23% from a baseline of 3.19 +/- 2.64 to 1.46 +/- 1.06 after treatment. On PGA, 1 out of 40 patients (2.5%) showed excellent improvement, 14 (35%) good, 15 (37.5%) fair, 6 (15%) poor, and 4 (10%) no improvement. However, two patients showed mottled hypopigmentation and rebound hyperpigmentation. Conclusion Low-fluence 1064-nm QSNY appears to be a safe and effective treatment for Asian patients with melasma.
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