Clinical Effectiveness of a High-Intensity Focused Ultrasound in Skin Lifting

Abstract

Background and ObjectivesSkin laxity is a common complaint of patients who request a skin rejuvenation procedure. In this study, the clinical effectiveness of highintensity focused ultrasound (HIFU) for the treatment of facial laxity was evaluated. Materials and MethodsNineteen Korean women and one Korean man volunteers were enrolled and first treated with a 4.5-mm, 4-MHz HIFU probe, followed by a 3.0mm, 7-MHz HIFU probe. A split-face study was performed on one patient. Two blinded, experienced clinicians evaluated pre-treatment and post-treatment (3-months after) paired photographs. ResultsThe results revealed that 16 of the 17 subjects (94%) had clinical improvement post-treatment. In a split-face study, the treated site showed excellent improvement compared to the control site. There were no specific side effects noted. ConclusionIn conclusion, HIFU is a useful nonablative method for skin lifting in Asian patients.

Efficacy of single dot ultrasound combined with radiofrequency for low eyelid laxity

“…However, as the linear irradiated energy has a large area in contact with the skin, there has been a limit to the treatment around the eyes and curved areas. 3,4 Recently, a newly developed lifting HIFU device that combines RF technology in one flat handpiece with a diameter of 2.5 cm was introduced. The ultrasound energy is irradiated in the single dot form rather than a line composed of dots and therefore it is expected to optimize to treat delicate areas such as the area around the eyes (Figure 1).…”