Treatment of atrophic facial acne scars with a dual-mode Er:YAG laser.

Author: Tanzi EL, Alster TS

Author affiliation: Washington Institute of Dermatologic Laser Surgery, Washington, D.C 20037, USA. talster@skinlaser.com

Publication date & source: 2002.07, Dermatol Surg., 28(7):551-5.

Publication type: Evaluation Studies

BACKGROUND: Scar revision with CO2 and Er:YAG lasers has become popular in recent years. Reports on the newest (modulated, dual-mode) Er:YAG systems have been limited mostly to the treatment of photodamaged skin and rhytides. OBJECTIVE: To prospectively evaluate the efficacy and safety of a dual-mode 2940 nm Er:YAG laser for atrophic scar revision. METHODS: Twenty-five consecutive patients with moderate to severe atrophic facial acne scars received treatment with a dual-mode Er:YAG laser. Clinical assessments using a standard grading scale and photographic documentation were performed at 1, 3, 6, and 12 months postoperatively. Postoperative recovery was monitored and the rate of side effects and complications recorded. RESULTS: Average clinical grading scores reflected good to excellent response of atrophic scars to the dual-mode Er:YAG laser system. Side effects and complications were limited to transient hyperpigmentation and acne flare-ups. No hypopigmentation or scarring was seen. Prolonged erythema (longer than 1 month) was observed in 1 patient (4%). CONCLUSION: Dual-mode Er:YAG laser skin resurfacing is a safe and effective modality for the treatment of atrophic facial scarring.

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