지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.6
- 수록면
- 116 - 121 (6page)
- DOI
- 10.25289/ML.23.018
이용수
초록· 키워드
오류제보하기
Background: The depression type of scars is the most complex problem that a plastic surgeon confronts. Traditionally, many plastic surgeons use the subcision technique for sunken scars to release scar tissue. The mechanism of the subcision technique involves cutting the contracted collagen beneath the pitted scar. The laser-induced optical breakdown effect induced by a fractional picosecond laser could produce vacuoles under the depressed scars in the epidermal and dermal layers, which is similar to the mechanism of subcision. This study investigated the efficacy and safety of a 1,064-nm fractional picosecond laser treatment for depressed scars using a stacking method.
Methods: The patients’ medical charts and procedure records were reviewed retrospectively to evaluate the Methodoutcomes and complications after the procedures. The patients were treated with a 1,064-nm fractional picosecond laser at 4-week intervals with a spot size of 3 mm, fluence of 1.5 to 5.5 J/cm2, and frequency of 10 Hz with a combination of microlens arrays.
Results: Fifteen and sixteen patients were male and female, respectively. The mean modified Vancouver Scar Scale for the treated scars was 7.75 ± 1.07 points before treatment, which decreased to 4.66 ± 0.87 points one month after the final treatment. The mean patients’ satisfaction scores were 2.11 ± 0.52 before treatment and 4.20 ± 0.72 one month after picosecond laser treatment.
Conclusion: The stacking method can cause cavitation at the deep dermis, and cavitation stimulates collagen and elastic fibers. As cavitation is formed, the recovery period is shortened, and the effects of depressed scar treatment are very satisfactory.
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