Treatment interval doesn't affect benefit of acne laser Tx

Treatment interval doesn't affect benefit of acne laser tx

(HealthDay)—Fractional CO2 laser treatment is safe and seems effective for atrophic acne scars, with no difference observed for treatment with a one- or three-month interval, according to a study published online Sept. 9 in Lasers in Surgery and Medicine.

Marie Bjørn, M.D., from Aarhus University in Denmark, and colleagues evaluated whether treatment of acne scars with fractional CO2 laser resurfacing at one-month interval achieves better results than treatment at three-month intervals. Participants included 13 patients with symmetrical atrophic acne scars on right and left sides of the mid-face and lower-face, who were randomized to two treatments at one-month or three-month intervals.

The researchers found that at one-month and six-months after treatment, acne scars appeared with less atrophy on both treated sides, with no difference in the improvement of scar atrophy by treatment interval (P = 0.81). The patients were moderately satisfied with the results and the satisfaction was not influenced by the treatment interval (P = 0.93). Treatment interval did not influence postoperative adverse effects, which were minor.

"Fractional CO2 laser resurfacing improves atrophic acne scars and a treatment interval of either one-month or three-months does not seem to influence the improvement of scar nor the occurrence of postoperative adverse effects," the authors conclude.

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Journal information: Lasers in Surgery and Medicine

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