{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T05:54:41Z","timestamp":1788587681786,"version":"build-2803163510"},"reference-count":47,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T00:00:00Z","timestamp":1672963200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Cosmetic Dermatology"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Acne vulgaris (AV) is the most pervasive inflammatory disease of hair follicle and sebaceous gland in the dermatology department, and depressed scar (DS) is the most common and serious sequela of AV.<\/jats:p><\/jats:sec><jats:sec><jats:title>Aims<\/jats:title><jats:p>To explore the clinical value of CO<jats:sub>2<\/jats:sub> dot matrix laser combined with platelet\u2010rich plasma (PRP)\u2010treated AV.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Total 81 patients with DS at the rear of AV from December 2018 to October 2019 were selected, randomly divided into observation group (OG, <jats:italic>n<\/jats:italic>\u00a0=\u00a039) and control group (CG, <jats:italic>n<\/jats:italic>\u00a0=\u00a042). Patients in the OG group were treated with CO<jats:sub>2<\/jats:sub> dot matrix laser combined with PRP, and those in the CG group were treated with CO<jats:sub>2<\/jats:sub> dot matrix laser. To observe clinical outcomes in both groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>According to experimental analysis, compared with the CG group, CO<jats:sub>2<\/jats:sub> dot matrix laser combined with PRP can more strongly improve the clinical efficacy on patients, shorten the scar scabbing time and decrustation time, more effectively contributed to their scar repair, comfort, skin condition, psychological state and satisfaction, and reduced their pain. The subsequent follow\u2010up results also showed that patients in the OG group experienced better quality of life. Moreover, according to the logistic regression analysis, the course of disease, scar degree, and staying up late were independent risk factors for the repair effect, and the repair method of CO<jats:sub>2<\/jats:sub> dot matrix laser combined with PRP was an independent protection factor.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>To sum up, CO<jats:sub>2<\/jats:sub> dot matrix laser combined with PRP can strongly enhance the scar repair effect, psychological state, and life quality of patients with DS after AV, so it is worth popularizing in clinical practice.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jocd.15501","type":"journal-article","created":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T08:57:37Z","timestamp":1672995457000},"page":"850-861","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Safety and efficacy of <scp>CO<sub>2<\/sub><\/scp> dot matrix laser combined with platelet\u2010rich plasma on depressed scar after acne vulgaris and influencing factors of its repair effect: A retrospective analysis"],"prefix":"10.1111","volume":"22","author":[{"given":"Rong","family":"Guo","sequence":"first","affiliation":[{"name":"Department of Dermatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital Third Hospital of Shanxi Medical University  Taiyuan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenxia","family":"Xuan","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital Third Hospital of Shanxi Medical University  Taiyuan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao","family":"He","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital Third Hospital of Shanxi 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