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Objective Evaluation of the Clinical Efficacy of Fractional Radiofrequency Treatment for Acne Scars and Enlarged Pores in Asian Skin

Title
Objective Evaluation of the Clinical Efficacy of Fractional Radiofrequency Treatment for Acne Scars and Enlarged Pores in Asian Skin
Author
김정은
Keywords
YTTRIUM-ALUMINUM-GARNET; LASER; REJUVENATION; PHOTOTHERMOLYSIS; AGE; COMPLICATIONS; ELASTICITY; EXPERIENCE; CO2-LASER; SAFETY
Issue Date
2014-09
Publisher
Lippincott Williams & Wilkins
Citation
DERMATOLOGIC SURGERY, 2014, 40(9), P.988-995
Abstract
BACKGROUND Ablative fractional lasers can effectively treat acne scars and enlarged pores, but cause considerable pain and downtime for patients, as well as potentially causing postinflammatory hyperpigmentation (PIH), especially in Asian skin.OBJECTIVE To evaluate the efficacy of a novel bipolar radiofrequency (RF)?based fractional device to treat acne scars and enlarged pores in Asians with objective measurements and histologic assessments.METHODS Thirty-one Korean patients with acne scars and enlarged pores received 4 consecutive fractional RF treatments at 3-week intervals. Outcome assessments included photography, global evaluation by investigators in a blind manner, patient assessment, objective biophysical measurements of elasticity and color, and histological changes compared with untreated lesions.RESULTS Follow-up assessments by physicians 3 months after the last treatment revealed that patients showed clinical improvement. Patient self-assessments paralleled physicians' assessments. Objective biophysical measurements showed significant improvements in elasticity (R2, R5, and R7) and the melanin/erythema index, together with increases in the levels of procollagen Types I and III, as well as elastin. There were no cases of PIH, and adverse events were limited to mild ones.CONCLUSION Fractional bipolar RF provides clinical efficacy with safety in acne scars and enlarged pores through dermal matrix remodeling combined with tolerable epidermal ablation.
URI
http://dx.doi.org/10.1097/01.DSS.0000452625.01889.c3http://hdl.handle.net/20.500.11754/52158
ISSN
1076-0512
DOI
10.1097/01.DSS.0000452625.01889.c3
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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