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PubMed RSS Feed - -A laser platform incorporating a novel 524 nm laser pumped by a commercial hair removal laser effectively treats facial redness and lower-extremity spider veins


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Lasers Surg Med. 2021 Jul 7. doi: 10.1002/lsm.23451. Online ahead of print.


BACKGROUND AND OBJECTIVES: Treatment of vascular lesions is one of the main applications of cutaneous laser technology, while the other is laser hair removal. We present here a vascular laser pumped by a commercial hair removal laser.

STUDY DESIGN/MATERIALS AND METHODS: A novel 524 nm vascular laser was designed using a 755 nm hair removal laser as a pumping source. This 524 nm vascular laser was used to treat facial redness and leg telangiectasias in 24 subjects. Four treatments were administered to the face at 4-6-week intervals and final photographs were taken 8 weeks following the final treatment, while two treatments were administered to lower-extremity spider veins at 2-month intervals with follow-up photographs 3 months following the final treatment. Blinded analysis of digital images was performed by two physicians not involved in the study.

RESULTS: Blinded evaluation of digital photographs revealed an average improvement score of 3.3 ± 1.7 (mean ± SEM) on a 0-10 scale for removing facial redness (p < 0.001), representing a 33% improvement. Leg veins improved an average of 51% corresponding to a score of 5.1 ± 2.0 (p < 0.001). Side effects were mild and limited to erythema, purpura, edema, and one instance of mild hyperpigmentation.

CONCLUSIONS: This novel 524 nm laser is safe and effective for treating vascularity on the face and legs, and proves the ability to create a laser platform incorporating a hair removal laser which then can be used as a pumping source for the attached vascular laser module.

PMID:34233025 | DOI:10.1002/lsm.23451

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