ULTRAFORMER Study: Tightening Effects of HIFU on Skin

The full title of this clinical study is: Tightening Effects of High Intensity Focused Ultrasound on Body Skin and Subdermal Tissue: A Pilot Study (S.Y. Choi et al.).

Here’s a brief rundown of the study:

Background
High Intensity Focused Ultrasound (HIFU) has been introduced as a new treatment modality for skin tightening through application mainly to the face and neck.

Objectives
This pilot study assessed the efficacy and safety of HIFU for body tightening in Asian females.

Methods
Six Asian female adults were enrolled in this pilot study. All subjects were treated with HIFU to the both cheek, upper arm, lower abdomen, thigh and calf using the following probes: 7 MHz, 1.5 mm focal depth; 2 MHz, 3.0 mm focal depth; 2 MHz, 4.5 mm focal depth; 2 MHz, 6.0 mm focal depth and 2 MHz, 9.0 mm focal depth. Three blinded independent dermatologists assessed results using the Investigator Global Aesthetic Improvement Scale (GAIS) using paired pre- and posttreatment (week 4) standardized photographs. Also, we evaluated skin elasticity at all treated sites using a cutometer. Participants used the subject GAIS to assess their clinical improvement after treatment and rated their pain using a visual analogue scale (VAS) immediately, 1 and 4 weeks after treatment.

Results
The three blinded evaluators judged all treated sites as showing clinical improvement 4 weeks after treatment. Skin elasticity measured via cutometer was significantly improved 4 weeks after treatment at all treated sites (P<0.05>). All patients scored themselves subjectively as more than ‘improved’ on the GAIS. Immediately after treatment the mean VAS score was 5.17 2.48, but no pain was reported at weeks 1 and 4. No permanent adverse effects were observed during the follow-up period.

Conclusion
For body tightening, we applied HIFU using transducers with a lower frequency and deep focal depth to effectively deliver ultrasound energy to skin tissues. HIFU appears to be a safe and effective treatment modality for dermal and subdermal tightening.

If you are interested in reading more then check out this study!
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