Objectives: This study introduces an initial evaluation of
a novel High-Intensity Focused Electromagnetic (HIFEM) technology. The primary goal is to quantify any
effects the treatments may have on abdominal tissues, as
well as to establish hypotheses for future research of this
technology.
Methods: Twenty-two patients received four abdominal
treatments using the EMSCULPT device (BTL Industries
Inc., Boston, MA). Anthropometric evaluations were
recorded and digital photographs were taken at baseline,
at 2 months, and at 6 months post-treatments. The MRI
without contrast determined by vertertebras T12 and S1
(FIESTA and FSPRG sequences) was used to measure
dimensions in coronal cross-sectional images of abdominal
muscle and fatty tissues, in order to assess any anatomical
changes induced by the application.

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Results: Analysis of the same MRI slices verified by tissue
artefacts showed a statistically significant (all P < 0.0001)
average 18.6% reduction of adipose tissue thickness, 15.4%
increase in rectus abdominis muscle thickness, and 10.4%
reduction in rectus abdominus separation (diastasis recti)
as measured from the medial border ofthe muscle 2 months
post-treatment. More significant improvements were
observed in patients with BMI 18.5–24.9 (classified as
“normal”). MRI data from 6-month follow-up suggest the
changes can be preserved in longer term. Tape measurements showed on average 3.8 cm subumbilical circumference reduction. The weight of the subjects did not change
significantly (average 0.5 lb; P > 0.05). No adverse events
were reported.
Conclusions: MRI, considered as a highly precise
diagnostic method, revealed simultaneous muscle growth,
fat reduction and reduced abdominal separation at
2 months and at 6 months post treatments, unrelated
with dieting. Further research should investigate the exact
physiological processes which stand behind the tissue
changes observed in this study.

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