Evaluation of a Novel Microfocused Ultrasound with Three‐Dimensional Digital Imaging for Facial Tightening: A Prospective, Randomized, Controlled Trial

Dermatology and Therapy - Trang 1-17 - 2023
Jiafang Zhu1, Yue Han1, Ying Liu2, Rui Chang3, Wei Gao1, Xia Gong4, Yijia Zhu3, Ying Shang1, Lingyue Shen1, Wenxin Yu1, Dongze Lyu3, Xiaoxi Lin1,3
1Department of Laser and Aesthetic Medicine, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
2Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
3Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
4Department of Ultrasound, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

Tóm tắt

The excellent efficacy is mitigated by the limited safety profile of microfocused ultrasound procedures. We sought to assess the safety and tightening efficacy of a novel microfocused ultrasound. The randomized middle and lower face and submental region of the participants were treated with the novel device using the following transducers: M4.5, D4.5, M3.0, and D3.0. Improvement in paired comparison of pretreatment and posttreatment photographs, three-dimensional (3D) volumetric assessments, skin thickness measured by B-ultrasonography, and skin photoaging parameters were evaluated. Adverse events and patient satisfaction were also recorded. A total of 20 participants (20 female) were enrolled. Fourteen of 20 participants (70%) were judged to show clinically significant facial tightening during 3-month follow-up (P < 0.05). The mean volumetric change in the lower face, as quantitatively assessed after 3 months was −0.29 mL compared with +0.42 mL on the control side (P < 0.05). The VAS pain score was 3.00 ± 1.19 without any oral or intramuscular anesthesia. A small sample size, lack of clinical scales, and impersonalized treatment parameters. The novel microfocused ultrasound appears to be a safe and effective modality for lower-face tightening. ChiCTR 2200064666.

Tài liệu tham khảo

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