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Microfocused Ultrasound Safe for Fitzpatrick Skin Types III-VI

Three reported adverse events were temporary and associated with treatment technique

THURSDAY, Aug. 27, 2015 (HealthDay News) -- Microfocused ultrasound (MFU) appears safe for improving laxity of the skin of the face and neck in patients with Fitzpatrick skin types III to VI, according to a case report published online Aug. 27 in JAMA Facial Plastic Surgery.

Monte O. Harris, M.D., from the Center for Aesthetic Modernism in Chevy Chase, and Hema A. Sundaram, M.D., from Dermatology, Cosmetic & Laser Surgery in Rockville -- both in Maryland, conducted an open-label, nonrandomized trial to demonstrate the safety of MFU for improving laxity of the skin of the face and neck. Skin tissue from 52 adults with Fitzpatrick skin types III to VI was assessed before MFU treatment. To ensure appropriate acoustic transducer coupling, ultrasound imaging was performed on the treatment area.

The researchers noted three reported adverse events, which were described as raised areas of mild edema or welts (two events) or moderately severe prolonged erythema with mild scabbing (one event). After 90 days, all events were resolved without sequelae.

"The adverse events that occurred in this trial were temporary and associated with treatment technique," the authors write. "When performed by trained physicians, MFU is safe in patients with Fitzpatrick skin types III to VI."

The study was sponsored by Ulthera.

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