Abstract
ABSTRACT Facial erythema from rosacea and acne is one of the most common problems encountered in dermatologic clinics. Effective therapeutic interventions for persistent erythema, which can cause patients frustration and psychological distress, are needed. The aim of this study was to evaluate the efficacy and safety of an invasive short pulsed-type bipolar radiofrequency device (IPBRF) for the treatment of intractable facial erythema. Thirty-one patients who had been diagnosed with rosacea or acne vulgaris and combined erythema underwent at least two IPBRF treatment sessions (maximum: 5) at 2-week intervals. Treatment outcomes were evaluated by investigator global assessment (IGA) based on clinical photographs, patient global assessment (PGA) score, and skin biophysical parameters including erythema index (EI), melanin index (MI), and transepidermal water loss (TEWL). Most patients showed significant clinical improvement. IGA scores for erythema, pores and smoothness improved after treatment. PGA also showed a trend toward improvement. Mean EI was significantly improved after the second treatment compared to baseline, which maintained until the study period. MI and TEWL showed a tendency toward improvement. There were no serious adverse events reported during the study. IPBRF led to rapid clinical improvement in facial erythema associated with rosacea and acne vulgaris and could be an effective and safe treatment option.
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