Combined 633-nm and 830-nm LED Treatment of Photoaging Skin
September 2006 | Volume 5 | Issue 8 | Original Article | 748 | Copyright © 2006
David J. Goldberg MD, Snehal Amin MD, Bruce A. Russell MD, Robert Phelps MD, Norma Kellett MD, Laurence A. Reilly MD
Objectives: To evaluate the clinical efficacy and ultrastructural changes in photodamaged skin after combined 633-nm and 830-nm light-emitting diode (LED) treatments. Methods: Thirty-six subjects received 9 LED treatments over the course of 5 weeks and were subsequently evaluated for final clinical improvement 12 weeks after treatment. Five subjects were also biopsied to determine the ultrastuctural posttreatment changes in collagen fibers. Results: A statistically significant improvement in wrinkles was seen after profilometric analysis. The majority of subjects reported improvements in softness, smoothness, and firmness at all time points. Electron microscopic analysis showed evidence of post-LED treatment of thicker collagen fibers. Conclusions: 633-nm and 830-nm LED treatments play a role in the treatment of photodamaged skin. LED treatments can be used as either a primary or adjunctive treatment modality.
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