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Clinical and Histologic Effects of Fractional Microneedling Radiofrequency Treatment on Rosacea.

Dermatol Surg. 2016 Sep 7;

Authors: Park SY, Kwon HH, Yoon JY, Min S, Suh DH

BACKGROUND: Fractional microneedling radiofrequency (FMR) is an emerging treatment modality, but its effect on rosacea has not been studied yet.
OBJECTIVE: To investigate the potential impact of FMR treatment on clinical improvement and histologic changes in rosacea patients.
MATERIALS AND METHODS: A 12-week, prospective, randomized, split-face clinical trial was conducted. Two sessions of FMR were performed on one side of the cheeks with 4-week interval and the other side remained untreated. Erythema index from DermaSpectrometer and a* value from Spectrophotometer CM-2002 were measured at each visit for the objective measurement of erythema. Histologic analysis of skin samples was also carried out.
RESULTS: Clinical evaluation and photometric measurement revealed the reduction of redness in the treated side compared with untreated side and baseline. Erythema index decreased 13.6% and a* value decreased 6.8% at Week 12 compared with baseline. Reduced expression of markers related to inflammation, innate immunity, and angiogenesis was observed in immunohistochemical staining of tissue obtained after FMR treatment.
CONCLUSION: Fractional microneedling radiofrequency treatment showed modest clinical and histologic improvement of rosacea, and it might be used as an alternative or in combination with other treatment methods.

PMID: 27608206 [PubMed - as supplied by publisher]

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