A Study on the Effects of 595nm Pulsed Dye Laser Treatment on Scars and Keloids.
- Author:
Won Serk KIM
1
;
Gwang Jun LEE
;
Yun Lim CHOI
;
Joo Heung LEE
;
Jun Mo YANG
Author Information
1. Department of Dermatology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. junmo.yang@samsung.com
- Publication Type:Original Article
- Keywords:
Scars;
Keloids;
595nm PDL(pulsed dye laser)
- MeSH:
Cicatrix*;
Cicatrix, Hypertrophic;
Humans;
Keloid*;
Lasers, Dye*;
Photography
- From:Korean Journal of Dermatology
2005;43(10):1349-1354
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
BACKGOUND: Pulsed dye laser (PDL) is recommended as a good treatment for scars and keloids. However, there has been no absolute indications and standard laser parameters. Some proposed that only hypertrophic and atrophic/flat scars were effectively treated, but others reported that all scars and even keloids responded well to PDL treatment. OBJECTIVE: To determine whether 595nm PDL treatment is effective for scars and keloids, and if so, which group responds better to treatment between the atrophic/flat scars group and hypertropic scars/keloids group. METHOD: Twenty-two patients (skin types III-V) with scars and keloids were treated with 595nm PDL (0.45 or 1.5 msec, 4-8J/cm(2), 7mm spot size). Eleven patients had hypertrophic scars/keloids (6 had hypertropic scars, 5 had keloids), and eleven patients had atrophic/flat scars. After several treatments of each lesion, the results were evaluated by extent of the patient's satisfaction and comparision of pre-and post-laser photography and divided into the four categories: excellent, good, fair and poor. RESULTS: The clinical improvement and patient's satisfaction were better in the atrophic/flat scars group than the hypertrophic scars/keloid group. With keloid potients, the result of treatment were found to be particularly poor. CONCLUSION: From our results, only atrophic/flat scars respond well to 595nm PDL treatment, and hypertrophic scars and keloids should be excluded from this treatments method.
