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Early Experience Using Magnetic Muscle Stimulation (MMS) Technology On The Abdomen And Buttocks For Non-Invasive Body Shaping
Sachin M. Shridharani, MD, Grace M. Tisch, BA.
LUXURGERY, New York, NY, USA.

Purpose: Traditionally, non-invasive body contouring procedures (i.e. energy-based devices) have aimed to improve body shape by reducing subcutaneous adipose tissue. While this approach can achieve aesthetic improvement in some patients, it does not address the underlying musculature- a major contributing factor to overall body shape. Magnetic Muscle Stimulation (MMS) technology (CoolTone™ [Allergan Inc., Westlake Village, CA]) is a novel non-invasive approach to body contouring that aims to improve muscle tone, definition, and strength through the induction of non-voluntary muscle contractions. This study describes early clinical experience with MMS technology for body contouring of the abdomen and buttocks.
Methods: A total of 15 consecutive subjects aged 24 to 54 years (mean, 36.2 years) underwent treatment to the abdomen and/or buttocks using MMS device. Protocol consisted of four treatment sessions to the abdomen and/or buttocks over a 2-week period (30-minutes of continuous application per region per session). Stimulation intensity started at 0% and was gradually increased until reaching the subject’s tolerance threshold. Standardized photographs were taken at baseline, immediately following the 4th treatment, and at 1-month follow-up. Subject-assessed outcome and patient satisfaction were evaluated using 5-point scaled-response questionnaires administered prior to treatment, immediately after the 4th treatment, and at 1-month follow-up. Adverse events were recorded.
Results: 15 consecutive subjects (73% [11/15] female; 27% [4/15] male) with a mean BMI of 21.5 kg/m2 (range, 18.4-25.7) were treated. On average, 12.4 days (range, 9-17) elapsed between the baseline and the 4th treatment, and 30.4 days (range, 27-44) elapsed between the 4th treatment and the follow-up evaluation. Most patients (80% [12/15]) underwent treatment to the abdomen only; one patient (7%) received treatment to the buttocks only, and two patients (13%) received treatment to both the abdomen and buttocks. All patients reached a stimulation intensity of 100% by the first treatment session. On average, the duration of treatment at 100% intensity increased with each subsequent treatment session, with patients tolerating a mean 21.8, 24.8, 26.0, and 26.7 minutes during session 1, 2, 3, and 4, respectively. Higher BMI patients tended to tolerate higher intensity settings than lower BMI patients when treating the abdomen. Mild muscle soreness resolving within 24 hours was the only reported side effect (33% [5/15] patients).
Surveys administered at 1 month follow-up demonstrated that most patients (80% [12/15]) were satisfied with treatment. Patient-assessed outcomes (5-point scale) indicated a mean improved score (from baseline to 1-month follow-up) of 1.06, 0.97, 0.78, and 0.41 in firmness, hardness, strength, and attractiveness, respectively.
Conclusion: Early clinical experience indicates that MMS technology is well-tolerated and associated with high levels of patient satisfaction when used for contouring of the abdomen and buttocks. Ideal candidates for MMS are likely lower and medium BMI patients who are not interested in and/or not suitable for customary debulking interventions. Further investigation is needed on the long-term sustainability of tissue changes associated with MMS therapy and on the efficacy of treatment in regions other than the abdomen and buttocks.


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