A Randomized, Split-Face, Comparative Study of a Combined Needle Radiofrequency/Intense Pulsed Light Device in Moderate-to-Severe Acne Patients
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Background: Radiofrequency (RF) and intense pulsed light (IPL) have been reported as efficient adjuvant treatment modalities for acne vulgaris. Objective: We sought to evaluate the clinical efficacy and safety of a combined needle RF and vacuum IPL device for acne treatment without the use of other conventional topical or oral agents. Methods: This randomized, split-faced study was designed to include patients with moderate to severe acne vulgaris. Comedone extraction was performed on both parts of the face prior to laser treatment. One side of the face was treated with RF and IPL in 2-week inter vals, while the other side was left untreated as a control. Two independent blinded investigators evalu- ated the patients for improvement using clinical photographs. We also assessed for possible adverse effects. Results: The study included 44 patients with acne vulgaris (27 men and 17 women). Their ages ranged from 19–39 years (average, 23 years). At the final 12-week follow-up visit, the acne reduction rate was 34.80% (±33.45%; range, 30.92%–19.03%) on the treated side and 13.76% (±37.58%; range, 28.26%–23.27%) in the control group compared to baseline, constituting a significant difference. The difference in reduction rate between the treated and control sides was 21.03% (±25.09%), with the treated side experiencing more significant improvement (p<0.05). In the assessment of adverse events, one patient experienced mild surrounding er ythema that spontaneously improved. Conclusion: Combined treatment of needle RF and IPL could improve acne lesions.
Abstract
Background: Radiofrequency (RF) and intense pulsed light (IPL) have been reported as efficient adjuvant treatment modalities for acne vulgaris. Objective: We sought to evaluate the clinical efficacy and safety of a combined needle RF and vacuum IPL device for acne treatment without the use of other conventional topical or oral agents. Methods: This randomized, split-faced study was designed to include patients with moderate to severe acne vulgaris. Comedone extraction was performed on both parts of the face prior to laser treatment. One side of the face was treated with RF and IPL in 2-week inter vals, while the other side was left untreated as a control. Two independent blinded investigators evalu- ated the patients for improvement using clinical photographs. We also assessed for possible adverse effects. Results: The study included 44 patients with acne vulgaris (27 men and 17 women). Their ages ranged from 19–39 years (average, 23 years). At the final 12-week follow-up visit, the acne reduction rate was 34.80% (±33.45%; range, 30.92%–19.03%) on the treated side and 13.76% (±37.58%; range, 28.26%–23.27%) in the control group compared to baseline, constituting a significant difference. The difference in reduction rate between the treated and control sides was 21.03% (±25.09%), with the treated side experiencing more significant improvement (p<0.05). In the assessment of adverse events, one patient experienced mild surrounding er ythema that spontaneously improved. Conclusion: Combined treatment of needle RF and IPL could improve acne lesions.
참고문헌 (24)
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