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KMID : 1037020150040010010
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Medical Lasers; Engineering, Basic Research, and Clinical Application
2015 Volume.4 No. 1 p.10 ~ p.15
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The Efficacy and Safety of Bipolar Radiofrequency Treatment with Non-Insulated Penetrating Microneedles for Acne Vulgaris and Acne Scars
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Ganesh S. Pai
Mouhamad Kashmar
Kim Young-Koo
Na Jong-Ju
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Abstract
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Background and Objectives: Bipolar radiofrequency (RF) devices equipped with fractional RF microneedles have been shown to be clinically effective and safe for the treatment of moderate to severe acne vulgaris lesions and acne scars. We aimed to determine the efficacy and safety of using non-insulated penetrating microneedles to deliver bipolar RF energy for treating acne vulgaris and acne scars.
Materials and Methods: Improvement in moderate to severe acne vulgaris and mild to severe acne scarring was evaluated in 316 patients (195 males and 121 females; ages ranging from 18-34 years; Fitzpatrick skin types IV-V) treated with two to four sessions of bipolar non-insulated microneedle treatment RF at one-month intervals.
Results: At two months after the final bipolar RF treatment, clinical assessment revealed grade 1 improvement in 21 (6.6%) of the 316 patients, grade 2 improvement in 78 (24.7%), grade 3 improvement in 133 (42.1%), and grade 4 improvement in 84 (26.6%). Temporary aggravation of acne vulgaris or folliculitis, which spontaneously resolved within three weeks, was noted in 9 patients. Otherwise, no remarkable side effects were recorded.
Conclusion: We suggest that bipolar non-insulated microneedle RF treatment can be effectively and safely used to treat acne vulgaris and acne scars in patients with Fitzpatrick skin type IV-V.
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KEYWORD
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Radiofrequency, Bipolar, Non-insulated, Microneedle, Acne vulgaris, Acne scar
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