New Study Finds CO2 Ablative Fractional Resurfacing Safe And Effective For Deep Acn... (xperienced quantifiable objective improv...)

New Study Finds CO2 Ablative Fractional Resurfacing Safe And Effective For Deep Acne Scarring

Date:11/19/2008

xperienced quantifiable objective improvement in the depths of acne scars that ranged from 43% to 79.9%, with a mean level of improvement of 66.8%.

"Overall, patients were highly satisfied with their outcomes, as well as with the reduced downtime and safety profile. No delayed onset of hypopigmentation or permanent scarring was observed," said Dr. Chapas. "Despite our small sample size, we did notice clinical trends in the patient's response to various treatment energies. For example, patients who received higher energy levels on deep scars of the cheeks during the second and third treatments received the highest improvement scores. All four of these patients showed average overall improvement in the 51%-75% range three months after their final treatment."

Although the study was designed using a series of treatments to improve acne scarring, Dr. Chapas noted that in her practice one treatment with CO2 ablative fractional resurfacing is usually sufficient to produce a noticeable improvement. "After we perform one treatment, we wait to see how the newly stimulated collagen fills in the scar over the course of the next few months to determine if an additional treatment is needed. The good news is that most patients rarely require a second treatment."

Dr. Chapas added that future studies are needed to address parameters in treating patients with darker skin, who are prone to pigmentation problems following ablative treatments. In the study, the darkest skin types treated were Asian and lighter Hispanic patients.

The American Society for Laser Medicine and Surgery (ASLMS) is the world's preeminent resource for laser research, safety, education, and clinical knowledge. Founded in 1980, ASLMS promotes excellence in patient care by advancing clinical application of lasers and related technologies. For more information and physician referrals, visit

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