The Efficacy of Massage in Reducing Nodule Formation After Poly-L-Lactic Acid Administration for Facial Volume Loss: A Randomized, Evaluator-Blinded Clinical Trial.

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◆ 논문 초록 (Abstract)

BACKGROUND: The risk of nodule formation following poly-L-lactic acid (PLLA) injections for facial volume loss is well known. Traditionally, post-treatment massage according to the 5-5-5 rule (5 times per day for 5 minutes for 5 days) has been applied to mitigate this risk. However, such a regimen may be onerous for patient compliance. Using currently accepted injection technique and product dilution, the efficacy of massage for nodule prevention has never been formally evaluated. OBJECTIVE: To evaluate the efficacy of massage in reducing the incidence of nodule formation post-PLLA injection. MATERIALS AND METHODS: After obtaining informed consent, 20 subjects with facial lipoatrophy were enrolled in this randomized, evaluator-blinded clinical trial. Each subject was treated with 1 vial of PLLA each month for 3 months. Vials were diluted with 1 mL of 1% lidocaine and 7 ml of bacteriostatic water, shaken with a vortex and refrigerated for 24 to 48 hours before injection. Ten subjects were instructed to massage the treated areas according to the 5-5-5 rule and 10 subjects did not perform any massage post-treatment. Six-month follow-up data were collected for treatment efficacy and adverse events. RESULTS: No nodules were reported by subjects or detected by the blinded evaluator regardless of massage status. Significant improvements in facial lipoatrophy were detected 1, 3, and 6 months after the final treatment session and were not statistically different between the 2 groups. CONCLUSION: Using currently recommended guidelines for product preparation and injection, the application of massage post-PLLA facial treatment does not have a significant impact on nodule formation or treatment efficacy.

◆ 원문 정보
저널: Dermatol Surg
연도: 2016

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