Ultrasound Assessment of Subcutaneous Abdominal Fat Thickness After Treatments With a High-Intensity Focused Electromagnetic Field Device: A Multicenter Study.

Abstract

High-intensity focused electromagnetic (HIFEM) technology is intended for muscle toning, firming, and strengthening. The goal of this study is to quantify the effect of HIFEM treatments on subcutaneous fat. A total of 33 patients participated in the study. Each subject underwent 4 treatments on the abdomen with the HIFEM device. Ultrasound images were obtained measuring the thickness of the subcutaneous fat from 4 standardized measurement points. Ultrasound images were taken before treatment and at 1-month and 3-month follow-up visits. Photographs were captured using both 2D and 3D cameras. Weight measurements were taken, as well as surveys assessing both patient comfort, satisfaction, and adverse events. A significant reduction in the subcutaneous fat thickness across the abdomen was observed, averaging 19.0%/4.47 ± 3.23 mm (p < .01) at 1 month after treatment and 23.3%/5.78 ± 4.07 mm 3 months after treatment. At 1 month, the most significant reduction in subcutaneous fat was measured subumbilically (26.6%/6.25 ± 4.70 mm; p < .01) and epiumbilically (21.6%/5.08 ± 3.69 mm; p < .01). No discomfort was reported, and 91% of study participants were satisfied with their result. Based on the ultrasonographic and photographic observations, the authors conclude that the application of an HIFEM field is an effective option for the noninvasive treatment of subcutaneous fat.