Samina Sheraz, Mian Shahid Gul, Kashif Kamal.
Efficacy of dermaroller vs trichloroacetic acid (TCA) cross technique for treatment of acne scars.
Pak Armed Forces Med J Jan ;71(3):895-98.

Objective: To compare efficacy of Derma Roller versus Trichloroacetic Acid (TCA) Chemical Reconstruction of Skin Scars (CROSS) technique for the treatment of acne scars. Study Design: Randomized control trial. Place and Duration of Study: Department of Dermatology, Maroof International Hospital Islamabad, from Mar to Sep 2020. Methodology: A total of 154 patients were sampled into two equal groups of 77 each, selected by non-probability consecutive sampling. Inclusion criteria was patients presenting with acne scars with duration >1 year, in the age range of 18-40 years, either gender and with acne scars on face only. The following patients were excluded from our study: patients with active acne or keloidal tendency, on oral retinoids and those having herpes labialis, group A patients were made to undergo four sessions of derma roller therapy at four weeks‟ interval each while group B had to undergo four sessions of Trichloroacetic Acid Chemical Reconstruction of Skin Scars technique at four weeks‟ interval each. Results: As per efficacy in both groups, 31 (40.25%) patients showed effective results in group A whereas in group B, 46 (59.74%) patients showed effective results, p-value 0.015. Conclusion: We therefore concluded that Trichloroacetic Acid Chemical Reconstruction of Skin Scars is comparatively better than Derma roller technique in the treatment of acne scars.

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