Comparison study of fractional carbon dioxide laser resurfacing using different fluences and densities for acne scars in Asians: a randomized split-face trial.

Ablative 10,600-nm carbon dioxide (CO2 ) fractional laser treatments have shown favorable outcomes for atrophic acne scars.
To compare the efficacy and complications of fractional CO2 laser treatments with different fluences and densities for acne scars.
Twenty patients were treated using a single session of fractional CO2 laser in Deep FX mode. In Group A (n = 10), half of the face was treated with 20 mJ, density 10% and the other half with 20 mJ, density 20%. In Group B (n = 10), half of the face was treated with 10 mJ, density 10% and the other half with 20 mJ, density 10%. Patients were evaluated at baseline and 3 days, 1 week, 1 month, and 3 months after the procedure.
There was no significant difference in efficacy between different laser settings within the groups, although adverse effects were more evident in patients treated with higher densities or fluences.
Factional CO2 laser treatment using the Deep FX mode may provide a significant efficacy with lower fluence and density with fewer complications than with higher energies for acne scars.
AuthorsXing-Hua Yuan, Shu-Xia Zhong, Shan-Shan Li
JournalDermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] (Dermatol Surg) Vol. 40 Issue 5 Pg. 545-52 (May 2014) ISSN: 1524-4725 [Electronic] United States
PMID24645970 (Publication Type: Comparative Study, Journal Article, Randomized Controlled Trial)
Copyright© 2014 by the American Society for Dermatologic Surgery, Inc. Published by Wiley Periodicals, Inc.
  • Acne Vulgaris (complications)
  • Adult
  • Atrophy
  • Cicatrix (etiology, pathology, surgery)
  • Cosmetic Techniques (adverse effects)
  • Face
  • Female
  • Humans
  • Laser Therapy (adverse effects, methods)
  • Lasers, Gas (adverse effects, therapeutic use)
  • Male
  • Patient Satisfaction
  • Young Adult

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