Lasers, both in single and multiple wavelength designs, have recently been introduced to enhance the results of liposuction. Safe parameters of fluence and temperature have not yet been described. In this study, I describe a series of laser lipolysis patients treated with a dual wavelength (1064/1319 nm) laser where internal and external temperatures have been measured. From this series of 36 patients treated with a 1064/1319-nm wavelength laser for laser lipolysis, we calculated the specific heat of the fat and tumescent fluid combination to be 4.7 J/(g°C). The average increase in temperature measured in the subcutaneous space was 16°C.
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