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이주희,김제민,이상규,최수연,이주희,이영인,김지희 연세대학교의과대학 2023 Yonsei medical journal Vol.64 No.12
Purpose: Fractional microneedle radiofrequency (FMR) systems are used to treat inflammatory acne and scarring. Nonetheless, few controlled studies have combined this treatment with the traditional ablative fractional laser (AFL). We aimed to assess the safety and efficacy of the combination of FMR and AFL versus AFL alone in treating acne and acne scars. Materials and Methods: In this 20-week, randomized, split-face study, 23 Korean patients with facial acne and acne scars under went FMR and AFL treatments. One half of each patient’s face was randomly assigned to receive FMR+AFL, whereas the other half received AFL alone. Treatments were administered in three consecutive sessions at 4-week intervals. This study investigated the severity of inflammatory acne, acne scars, individual lesion counts, depressed scar volumes, as well as patient and physician satisfaction. In addition, five patients underwent skin biopsy, and sebum output was measured. Results: The FMR+AFL treatment demonstrated superior efficacy compared to AFL alone in terms of inflammatory acne and acne scar grading, lesion counts, and subjective satisfaction. The side effects were minimal and well-tolerated in both groups. Immuno histochemical findings from skin biopsy samples revealed that the application of FMR+AFL could induce an inhibitory effect on sebum secretion at the molecular level. Conclusion: FMR combined with AFL is a well-tolerated and effective treatment modality for inflammatory acne and acne scarring.
구순열 수술 후 흉터를 가진 영유아 환자에서 흉터 복합 레이저요법의 효과 및 안전성에 대한 단일 기관, 후향적 연구
이주희,최수연,김제민,이영인,이주희 대한피부과학회 2022 대한피부과학회지 Vol.60 No.7
Background: Postoperative scars following cleft lip surgery are frequently accompanied by cosmetic and functional problems; therefore, patients with cleft lip scars usually undergo various long-term scar treatment courses. Currently, only a limited number of fractional laser treatment cases of cleft lip scars have been reported. Objective: This study aimed to evaluate the safety and efficacy of the combination laser treatment for hypertrophic scar management following cleft lip surgery. Methods: This single-center retrospective study included 27 patients who underwent cleft lip surgery before 12 months of age. The control group comprising 13 patients received only a silicone gel or sheet for the scars, while the treatment group comprising 14 patients underwent laser treatment with a 1,550 nm non-ablative fractional erbium-glass laser, followed by a 10,600 nm ablative fractional carbon dioxide laser. Intralesional triamcinolone injection (5∼10 mg/mL) was administered immediately after laser treatment. Scar improvement was assessed at 1, 3, and 6 months after surgery using the Vancouver Scar Scale. Results: The mean total Vancouver scar scale showed a statistically significant improvement in the treatment group compared to that in the control group. In the sub-analysis of pigmentation, the vascularity, pliability, and height significantly improved in the treatment group. No differences in the patients’ baseline characteristics between the two groups were noted. No significant adverse effects were observed during the follow-up. Conclusion: Combination laser therapy using fractional lasers and intralesional triamcinolone injection is safe and effective for managing cleft lip surgery scars in infantile patients.
다발골절 환자에서 확산강조영상을 통해 진단한 급성뇌지방색전증
이주희,오선영,신병수 대한신경과학회 2013 대한신경과학회지 Vol.31 No.4
다발골절 환자에서 확산강조영상을 통해 진단한 급성뇌지방색전증