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Clinical Results

Radiofrequency-Assisted Liposuction Device for Body Contouring: 97 Patients under Local Anesthesia

Aesthetic Plastic Surgery
Author: S. Theodorou, R. Paresi, C. Chia


Background: Radiofrequency-assisted liposuction involves the delivery of a controlled amount of energy to treated tissue resulting in fat liquefaction, accompanying hemostasis, and skin tightening. The purpose of this study is to report experience with a larger sample size using the BodyTiteTM radiofrequency-assisted liposuction (RFAL) platform, and its first use with local tumescent anesthesia. The BodytiteTM device is currently awaiting FDA approval.

Methods: We prospectively included 97 patients who underwent radiofrequency-assisted liposuction under local anesthesia under IRB approval. We treated 144 anatomical areas in 132 operations and collected the following data: age, sex, height, weight, body mass index (BMI), anatomical area of treatment, operative time, amount of tumescent solution used, amount of fat aspirated, amount of kilojoules (kJ) delivered, and the incidence of infections, seromas, adverse effects from medications, and thermal injuries. Patients were asked to complete an online survey assessing the aesthetic outcome and quality of life after treatment with RFAL-assisted liposuction. Three independent plastic surgeons were asked to evaluate photographs of our 6-month postoperative results in comparison to the preoperative photos.

Results: The average age and BMI of our study population was 37.6 years and 28.2 kg/m2, respectively. The study population was 88% female. The mean amount of lidocaine given per treatment session was 32.7 mg/kg (range = 3.8–83.3 mg/kg). The mean amount of tumescent fluid given per anatomical treatment area was 1,575 cc. The average amount of total aspirate across all anatomical treatment areas was 1,050 cc, with an average total aspirate of 1,146 cc per treatment date. The overall incidence of major complications was 6.25% and the incidence of minor complications was 8.3%. Overall patient satisfaction was 82% for the degree of skin tightening and 85% for the body-contouring result with the BodyTiteTM device. Three independent plastic surgeons graded the improvement in body contour as good to excellent in 74.5% of patients and the improvement in skin tightening as good to excellent in 58.5% of patients.

Conclusion: The BodyTiteTM RFAL platform is a safe and effective device for use as an energy-based liposuction technique under local tumescent anesthesia in the awake patient.

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