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Objective

Unpredictability in graft retention remains a significant drawback of fat grafting. Processing of fat grafts has been the focus of several studies to improve graft survival. The objective of this study was to systematically review the outcomes of different fat graft processing techniques with the goal of (1) deriving clinically oriented insights and (2) identifying gaps in knowledge to stimulate future research.

Methods

PubMed, EMBASE, and Cochrane Databases were searched to identify studies that compared different fat graft processing techniques. Outcome measures of interest were any subjective or objective measures of fat graft survival or reports of adverse events.

Results

A total of 2056 abstracts were generated from the literature searches; 13 studies met the criteria for data extraction and analysis. Processing methods assessed included decantation, washing, gauze filtration, and centrifugation. Each processing …