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Microneedling Therapy For Atrophic Acne Scar: Effectiveness And Safety In Vietnamese Patients

Phuong Pham Thi Minh, Diep Dang Bich, Thi Hai Van Nguyen, Thuong Nguyen Van, Van Tran Cam, Tran Hau Khang, Marco Gandolfi, Francesca Satolli, Claudio Feliciani, Michael Tirant, Aleksandra Vojvodic, Torello Lotti

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AIM: To evaluate the effectiveness and safety of micro-needling therapy in atrophic acne scar treatment. METHOD: A prospective, single centred study was implemented in a total of 31 patients suffering from atrophic acne scar grade 2 to 4 of Goodman and Baron scaring grading system was recruited. They were treated by microneedle derma roller every week in 3 months. The scars were evaluated by a magic system camera and by dermatologists clinically using Goodman and Baron scaring grading system, and Lipper and Perez score at baseline, at final treatment, 1 month and 2 months after the final treatment. RESULTS: The results showed improvement in all patients. The mean of Goodman and Barron’s grade was decreased from 3.29 ± 0.59 at baseline, 2.23 ± 0.56 at final treatment, 1.93 ± 0.58 one month after the completion of therapy and to 1.77 ± 0.57 two months after the completion of therapy (with the p-value < 0.05). Similarly, Lipper and Perez score also dropped significantly from 36.48 ± 12.07 at baseline to 23.16 ± 15.01 at final treatment, to 17.83 ± 7.00 one month after the final treatment and to 16.37 ± 7.29 at two months after the final treatment (p-value < 0.05). Skin roughness and hyperpigmented spots got improved significantly. History of having nodular-cystic or vulgaris acne did not affect the effectiveness of the therapy. Side effects of the therapy were burning sensation, erythema but they were very mild and recovered in 1-2 days. No severe complication and post-inflammatory hyperpigmentation were noted. 83.3% of the patients satisfied after the completion of the therapy. CONCLUSION: Skin needling is an effective and safe method for the treatment of atrophic acne scars.