Background: As compared with ablative fractional CO2 laser, ablative fractional erbium-doped yttrium aluminum garnet (Er:YAG) laser is considered to be a more suitable treatment option for photoaged skin in Asians due to the lower incidence of postinflammatory hyperpigmentation.
Objective: To compare the efficacy and safety of ablative fractional Er:YAG laser (ablative fractional resurfacing [AFR]) and nonablative fractional 1550-nm Er:glass laser (non-AFR [NAFR]) in the treatment of photoaging.
Methods: This was a prospective, randomized, double-blinded comparative study. In three sessions, at four-week intervals, 19 patients received Er:YAG AFR, and 15 patients received Er:glass NAFR. Pigmentation, uneven tone/erythema, wrinkles and overall features of photoaging were scored. Patient satisfaction, adverse effects and pain scores were recorded. Melanin and erythema indexes were measured.
Results: Reductions in pigmentation and uneven tone/erythema scores were significantly greater after Er:YAG AFR, while wrinkle score reduction was significantly greater after Er:glass NAFR. Physician and patient assessments for the overall features showed greater improvement in the Er:glass NAFR. Treatment-related pain or adverse events were less in the Er:YAG AFR.
Conclusion: Both Er:YAG AFR and Er:glass NAFR are effective and safe and could be used in a complementary manner for treating photoaged Asian skin.
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| http://dx.doi.org/10.3109/09546634.2014.999020 | DOI Listing |
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