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The Efficacy of External Ultrasound-assisted Liposuction: a Randomized Controlled Trial by Naomi Lawrence; Sue Ellen Cox is a Medicine article available to read on EtoBox.

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## Background: Use of high-intensity, high-frequency external ultrasound before liposuction has been reported to enhance the ease of fat extraction, increase the amount of fat extracted, and decrease patient discomfort during liposuction. ## Objective: The purpose of this study was to compare the effect of application of high-intensity continuous wave ultrasound to extremely low-intensity ultrasound (placebo) prior to tumescent liposuction. ## Methods: A total of 19 patients (25 sites) completed the double-blind study. we used a split treatment area design so that each patient could serve as their own control. after tumesing the treatment area, a 3 w/cm2 continuous wave 1 mhz ultrasound was applied for 10 minutes. the placebo control was treated with 0.3 w/cm2 1 mhz for 10 minutes. traditional tumescent liposuction followed ultrasound application. doctors completed a visual analog scale rating the following: rate of extraction, degree of resistance to cannula movement, and color of fat. patients also completed a questionnaire after the procedure and at 1 month postoperatively. histologic samples of the fat treated with external ultrasound were taken from two patients. ## Results: I

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Author

Naomi Lawrence; Sue Ellen Cox

Publisher

John Wiley and Sons; Ovid Technologies (Wolters Kluwer) - Lippincott Williams & Wilkins; Wolters Kluwer Health; Ovid Technologies (Wolters Kluwer Health); Elsevier BV (ISSN 1076-0512)

Published

2000

Language

EN

Field

Medicine (Health Sciences)