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High-Intensity, High-Frequency, Parallel Ultrasound Beam Device for Skin Laxity of the Upper Arms
Jordan V Wang1, Neil Jairath2, Shirin Bajaj1
1Laser & Skin Surgery Center of New York, New York, New York.
Background:
Ultrasound-based devices have been developed to improve various cosmetic indications, including fines lines, wrinkles, eyebrow laxity, and submental laxity. Ultrasound waves of high intensity targeting the dermis can induce neocollagenesis, neoelastogenesis, and subsequent remodeling to improve the clinical appearance of these indications.
Objective:
To examine the utility of a novel ultrasound device that utilizes high-intensity, high-frequency, parallel ultrasound beams to improve the clinical appearance of skin laxity on the upper arms.
Materials And Methods:
A prospective, multicenter, clinical study investigated this novel ultrasound device using two treatments.
Results:
Forty-six subjects were enrolled and underwent treatment. Mean age was 59 years, and 100% were women. Fitzpatrick skin types I-IV were represented. Assessments compared baseline to 3-month follow-up. Two out of 3 blinded reviewers agreed in identifying pretreatment and post-treatment photographs for 88.9% of subjects ( p < .0001), who were considered responders. Blinded reviewers rated significant improvements in skin crepiness and laxity scale (1.97 vs 2.95; p < .0001) and also in Global Aesthetic Improvement Scale in 93.3% of photographs. No device-related adverse events occurred.
Conclusion:
A novel ultrasound device that utilizes high-intensity, high-frequency, parallel ultrasound beams can safely and effectively improve skin laxity of the upper arms.
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