{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T07:02:29Z","timestamp":1791270149144,"version":"4.1.0"},"reference-count":23,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,3,21]],"date-time":"2021-03-21T00:00:00Z","timestamp":1616284800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Cosmetic Dermatology"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Efficacy and safety of ablative fractional laser used for treatment of acne scars have been described in several studies. Recently, microneedling radiofrequency treatment has been showing promising results with low risk of side effects and rapid healing time.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To study efficacy and safety of ablative fractional Er:YAG laser 2940\u00a0nm and microneedling radiofrequency for facial atrophic acne scar.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>21 patients with atrophic postacne scars were randomized to MRF for one half of the face and laser for the other half. Four sessions were performed monthly. For evaluation, the validated scale \u201cQuantitative Global Grading System for Postacne Scarring\u201d and patient's satisfaction were used before and 3\u00a0months after treatment. Optical coherence tomography imaging of the skin was used as an objective tool for assessment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Both sides showed significant improvement on clinical evaluation with no significant difference. Optical coherence tomography assessment showed significant increase of both epidermal and dermal thickness compared to baseline.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Both MRF and ablative fractional Er. YAG laser 2940\u00a0nm are effective in the treatment of post acne scars. Microneedling radiofrequency is better tolerated, with lower downtime and fewer side effects.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jocd.14071","type":"journal-article","created":{"date-parts":[[2021,3,15]],"date-time":"2021-03-15T17:45:33Z","timestamp":1615830333000},"page":"227-236","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Split\u2010face comparative study of fractional Er:YAG laser versus microneedling radiofrequency in treatment of atrophic acne scars, using optical coherence tomography for assessment"],"prefix":"10.1111","volume":"21","author":[{"given":"Amira A.M.","family":"Emam","sequence":"first","affiliation":[{"name":"Department of Dermatology and Venereology Faculty of Medicine Suez Canal University Ismailia Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hesham A.","family":"Nada","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Venereology 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