Role of Microneedling in Atrophic Post-Acne Scars
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Patients who were diagnosed with moderate to severe-grade atrophic acne scars were enrolled in the study. Patients with a history of photosensitivity, systemic lupus erythematosus, and xeroderma pigmentosum were excluded from the study.

A total of three sessions divided into four weekly intervals were conducted. The scar-grading was done before the procedure and after three treatment sessions using Goodman and Baron's acne scar grading system.

A total of 50 patients were included in this study; 36 (72%) were females and 14 (28%) were males, with a mean age of 30.92±6.19 years. A decrease in the acne scar-grade was noted from grade III to grade II after three sessions of treatment. A significantly higher number of patients were in grade II after three-month sessions compared with before treatment, and a significantly lesser number of patients were in grade III. A significantly higher proportion of patients with moderate acne scars, as compared to severe, were in grade II (77.3% vs. 22.7%).

This study found an improvement in the scar grade after microneedling sessions. However, as the study was retrospective, we suggest prospective randomized controlled trials in our set-up to better uncover the role of microneedling in reducing acne scars.

Source: https://www.cureus.com/articles/48961-role-of-microneedling-in-atrophic-post-acne-scars-an-experience-from-a-tertiary-care-hospital
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