Micro-Mechanical Fractional Skin Rejuvenation

    January 2013 in “ Plastic & Reconstructive Surgery
    Justin R. Fernandes, Juan C. Samayoa, G. Felix Broelsch, Michael C. McCormack, Alexa M. Nicholls, Mark A. Randolph, Martín C. Mihm, William G. Austen
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    Studysummary In a swine model, this study found that a novel micro-coring needle device increased skin thickness and collagen content, suggesting potential as a safer, cost-effective alternative to laser resurfacing for skin rejuvenation. Our plain-language summary of this paper — not a Tressless recommendation.
    The study introduced a novel device using micro-coring needles for fractional skin rejuvenation, aiming to avoid the adverse effects and high costs associated with laser resurfacing. In a pig model, the device was compared to standard needles, treating 32 sites per flank with either 20% or 40% coverage. Results showed that all treatment sites healed quickly without scarring or infection. The coring sites exhibited increased fibroblast activity, newly synthesized collagen, and enhanced skin thickness and structure. At 1 month, the coring sites' dermis and epidermis were up to 196% thicker than controls, and at 3 months, there was a significant increase in collagen and elastic fibers. This method effectively induced skin rejuvenation, suggesting a safe and cost-effective treatment for various skin conditions.
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