Autologous fat processed by means of a cotton pad filtration technique is an effective method of facial fat grafting, according to a study published online Jan. 11 in JAMA Facial Plastic Surgery.

Rongwei Wu, M.D., from the Chinese Academy of Medical Sciences in Beijing, and colleagues randomized patients with facial asymmetry undergoing initial facial fat grafting to one of three fat-processing techniques: sedimentation, centrifugation, or cotton pad filtration. Patients underwent three-dimensional scanning preoperatively, as well as at one, three, six, and 12 months postoperatively.

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