Abstract
Recent studies suggest that acellular nerve allografts (ANA) have similar efficacy as nerve autografts in certain applications of nerve surgery. However, multiple studies also demonstrate the limitations of nerve allografts, resulting in poor patient outcomes. This submission discusses a recent case series of patients who failed allograft use with subsequent histologic analyses of these allografts. Recommendations on the treatment of nerve gaps are presented, drawing from our current understanding of allograft and autograft utility in reconstruction. Factors taken into account include recipient critical nerve function, existent nerve gap, and nerve diameter.
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