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고출력 이산화탄소 레이저와 Erbium : YAG 레이저를 병용하여 시행한 안면 주름의 치료
김양제,조성인 대한피부과학회 1999 大韓皮膚科學會誌 Vol.37 No.2
Background : Laser facial skin resurfacing has become a method of treatment for photoaging and pigmentary conditions. Although excellent results can be obtained by high-energy, pulsed carbon dioxide(CO₂) laser, significant morbidity exists due to the considerable thermal damage to the skin. The Erbium: Yttrium Aluminum Garnet(Er: YAG) laser, with a wavelength of 2940 nm, is well absorbed in water. This leads to a very small zone of thermal necrosis, compared ta the CO₂ laser. Objective : The purpose of this study was to evaluate the results of the combined use of the char-free CO₂ laser and the Er: YAG laser in the treatment of facial wrinkles. Methods : Forty-six patients, aged between 30 and 68 years, with facial wrinkles, were evaulated. Two types of resurfacing laser systems were utilized in this study, a high-energy, short-pulsed CO₂ laser and a Er: YAG 1aser. Wrinkle improvement was evaulated by the patients satisfaction, clinical improvement, and photographic analysis before and after the resurfacing procedure. Results : Twenty-six of the 46 patients had greater than an 80% improvement, and 19 patients had a 60-80% improvement. Only one patient showed a 50% or less improvement. Conclusions : The combination of char-free CO₂ laser and Er: YAG laser for facial wrinkles is a safe and effective modality for laser skin resurfacing.