Clinical Outcome of 1064-nm Picosecond Neodymium-Doped Yttrium Aluminium Garnet Laser for the Treatment of Hypertrophic Scars

Journal of Cosmetic and Laser Therapy : Official Publication of the European Society for Laser Dermatology
Young-Jun ChoiWon-Serk Kim

Abstract

Currently no study has evaluated the effect of the novel 1064-nm picosecond neodymium-doped:yttrium aluminium garnet laser (ps-Nd:YAG) for reducing Hypertrophic scarring (HS). The aim of this study was to verify the efficacy and safety of a 1064-nm ps-Nd:YAG in the management of HS. A retrospective chart review and photographic analysis were conducted on patients treated with a low-fluence 1064-nm ps-Nd:YAG for HS improvement. The Vancouver Scar Scale (VSS), 5-point Global Assessment Score (GAS), and patient satisfaction score were used to determine the effect of scar improvement. A total of 24 Korean patients (9 males and 15 females; mean age of 33.25 ± 15.50 years) were retrospectively evaluated. Mean treatment settings were 1064-nm wavelength, 750 ps pulse duration, 7.94 mm spot size, 0.93 J/cm2 fluence, and 9.69 Hz frequency. The average VSS score decreased significantly (from 5.33 to 2.71) after laser treatment (p < 0.001). The average GAS (3.02 ± 0.93) showed fair cosmetic improvement, and patient satisfaction scores (6.88 ± 2.66) indicated moderate satisfaction. The novel low-fluence 1064-nm ps-Nd:YAG could be considered as an effective and safe optional modality for the treatment of HS in Asian skin.

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Citations

Jul 25, 2019·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Stefania GuidaPier Luca Bencini
Apr 14, 2020·Lasers in Surgery and Medicine·Douglas C WuHenry H L Chan
Jun 28, 2020·Journal of Cosmetic Dermatology·Yun Ho LeeYoung-Jun Choi
Jun 27, 2019·Lasers in Medical Science·Asmaa Mohammed ElrefaieMohamed H Faheem
Oct 15, 2021·Journal of Cosmetic Dermatology·Nasrin Mani, Anže Zorman

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