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KMID : 1037020200090020179
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Medical Lasers; Engineering, Basic Research, and Clinical Application
2020 Volume.9 No. 2 p.179 ~ p.183
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Effectiveness of a Fractional Picosecond 1,064-nm Laser in Improving Traumatic Scars with Depression
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Ahn Kwang-Hyeon
Park Eun-Soo
Choi Chang-Yong
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Abstract
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The picosecond laser has been widely used to remove tattoos, and improve wrinkles, acne scarring, and pigmented scars. This study was performed to investigate the efficacy and safety of a 1,064-nm fractional picosecond laser treatment for depressed traumatic scars. A total of twenty Korean patients with depressed scars were treated with a 1,064-nm fractional picosecond laser at a two-week interval with a spot size of 3 mm, fluence of 3.5 to 5.5 J/cm2, and frequency of 2 Hz with a combina-tion of microlens arrays. At 4 weeks after the final treatment, there was a statistically significant improvement in the modified Vancouver Scar Scale (mVSS) and the patient satisfaction score without any significant complication. A 1,064-nm fractional picosecond laser treatment is a safe and effective method to improve traumatic wound scars with depression.
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KEYWORD
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Picosecond laser, Depressed scar, Traumatic wound, Pitted scar, Micro-lens array
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