Safety Profiles of Fat Processing Techniques in Autologous Fat Transfer for Breast Reconstruction
2019
BACKGROUND: Autologous fat transfer is common in breast reconstruction because of its versatility for use in contour deformities. The authors examined three different fat grafting processing techniques for complications and safety profile using their institutional database. METHODS: Retrospective review was performed of patients from a single institution who had undergone autologous fat transfer following breast reconstruction from 2012 to 2016. Individuals were separated into three cohorts according to fat harvest technique: (1) centrifugation, (2) Telfa gauze, or (3) Revolve. Complications between the groups were assessed. RESULTS: A total of 267 cases of autologous fat transfer were identified (centrifugation, n = 168; Telfa, n = 44; and Revolve, n = 55). Grafting by means of centrifugation was associated with the greatest incidence of oil cysts (12.5 percent; p = 0.034), postoperative adverse events observed in the clinic (13.7 percent; p = 0.002), and total complications (25.6 percent; p = 0.001). The use of Telfa resulted in the lowest rates of oil cyst formation (0 percent; p = 0.002) and total complications (2.3 percent; p = 0.001). Grafting by means of centrifugation was also associated with the highest frequency of repeated injections among the three techniques after initial grafting (19.6 percent; p = 0.029). In contrast, Revolve demonstrated a repeated injection rate of just 5.45 percent, significantly lower when independently compared with centrifugation (p = 0.011). Multivariate analysis demonstrated that higher total graft volume (p = 0.002) and the use of centrifugation (p = 0.002) were significant risk factors for adverse events seen in the clinic postoperatively. CONCLUSIONS: Significant differences in postoperative outcomes exist between varying fat transfer techniques. Autologous fat transfer by means of centrifugation harbored the highest rates of complication, whereas Telfa and Revolve exhibited similar safety profiles. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, III.
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