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RESEARCH PRODUCT

Autologous fat transfer to the cranio-maxillofacial region: updates and controversies.

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Abstract Background Autologous fat grafts have gained popularity among Cranio-Maxillofacial surgeons within the past years. Most publications report favourable outcomes but lack quantifiable evidence of graft survival. Objectives To assess autologous fat transfer for facial asymmetry, and review the literature focusing on current indications, techniques, complications, fat survival and patient satisfaction. Patients and methods Nine patients presented facial asymmetry due to onchological resection, congenital anomaly, or craniofacial traumatism. A total of 11 autologous fat transfers were performed. Four procedures followed the Coleman technique; in the other seven procedures, fat centrifugation was obviated. Results No significant complications derived. Progressive volumetric decrease was evidenced for up to 6 months after surgery. A second procedure was performed in two patients. No clinical differences in cosmetic outcomes or graft survival were observed between centrifuged and non-centrifuged grafts. Patients reported high satisfaction. Conclusions Facial recontouring with autologous fat transfer restores volumetric defects with high patient satisfaction. The scientific literature offers inconsistent results. The authors did not find clinical differences between centrifuged and non-centrifuged grafts. Volume gain may result from induced fibrosis, inflammation and native adipocyte growth or differentiation. The heightened interest in these procedures should instigate further investigation to refine surgical procedures and improve predictability.