“Treatment of Facial Hypopigmented Scars by the Laser Hole Technique using a Non-fractional Carbon Dioxide Laser in Asian”

Background: Facial hypopigmented scars are usually characterized by white color and glossy surface. To correct the two problems simultaneously, we tried to induce persistent post-inflammatory hyperpigmentation for color and to build multiple pitted scars like facial skin pores for texture. This study describes a laser hole method using a traditional non-fractional carbon dioxide (CO2) laser for treatment of facial hypopigmented scars and evaluates the clinical results. Methods: Forty three facial hypopigmented scars in 27 patients were treated, excluding protruding or thick scars. A CO2 laser was set in the superpulse mode by continuous delivery. Multiple small holes were made in the scar at a distance of 1 to 3 mm. Each laser hole was produced by continuously repeated shots at one point until the deep dermis was involved. All lesions were exposed without protection. At one or two months after initial treatment, the remaining hypopigmentation was treated by the same procedure. Results: Treatment sessions were performed once for 9 scars, twice for 22 scars, and three times for 12 scars. In most cases, PIH was slightly diminished but maintained until the last follow-up. The fine irregular surface with multiple pitted scars was similar to that of normal skin. Physician and patient evaluation of scar improvement showed marked or excellent for 39 scars (90.7%) and minimal or partial in 4 deep or thick scars. Conclusions: The laser hole technique using a non-fractional CO2 laser may be an excellent option to simultaneously treat superficial or thin hypopigmented facial scars in Asians. Financial disclosure statement: No Conflicts of Interest and Source of Funding Presented at: Aesthetic Plastic Surgery 2017 in Seoul, Korea * Corresponding author: Jin Sik Burm, M.D., Ph.D., Department of Plastic Surgery, Kyung Hee University Medical Center, 23 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea. E-mail: jsburm@gmail.com Tel: 82-2-958-8431 Fax: 82-2-963-5638 ©2018American Society of Plastic Surgeons

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