| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 12
| Issue : 1 | Page : 90 |
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A comparative study on the usefulness of fractional CO2 and fractional Er:YAG in acne scars: A split-face trial
Fatemeh Mokhtari1, Zahra Safavi2, Gita Faghihi1, Ali Asilian3, Zabihollah Shahmoradi3
1 Department of Dermatology, School of Medicine; Skin and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Dermatology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3 Department of Dermatology, School of Medicine; Skin and Leishmaniasis Research Center; Dermatology Department, Isfahan University of Medical Sciences, Isfahan, Iran
Correspondence Address:
Dr. Gita Faghihi
Department of Dermatology, School of Medicine, Isfahan University of Medical Sciences, Hezar Jerib St., Isfahan
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/abr.abr_330_21
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Background: Acne is a dermatologic condition with a high burden in terms of psychosocial consequences as a result of scars remaining on the skin. Its effects are severe in adolescence and finding treatments with short therapy courses, superior results, and fewer adverse effects are of high importance.
Materials and Methods: We included 30 individuals with acne vulgaris scars in Al-Zahra academic training hospital from June 2018 to Jan 2019. Each individual received both fractional CO2 and fractional Er:YAG lasers on right and left sides of the face, respectively. Three sessions of laser treatment were applied to each side with one-month intervals. Results were evaluated by patients according to subjective satisfaction and physicians' assessment and photo evaluation by two blinded dermatologists. Improvement was graded by a quartile grading scale: less than 25%: mild, 25% to 50%: moderate, 51% to 75%: good, and 76% to 100%: excellent response. Assessments were obtained at baseline and one month after the last visit.
Results: Based on subjective satisfaction (p < 0.05) and physicians' assessment (p < 0.01), fractional CO2 laser was significantly more effective than Erbium:YAG laser. Also, Post-treatment side effects were mild and transient in both groups.
Conclusion: Laser therapies are common in the treatment of scars and each modality has special advantages and disadvantages. Choosing among them should be based on various criteria. Fractional CO2 lasers have been revealed favorable results in most reports. Large comprehensive trials could help experts in choosing among alternatives for different subgroups.
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