Head and neck free flap survival when requiring interposition vein grafting: A multi-instiutional review

Interposition vein grafting in free flap reconstruction is often viewed as a risky procedure, but is necessary in cases of inadequate pedicle length. Two tertiary care centers retrospectively.reviewed 3008 head and neck free flap reconstructions from 2008 to 2017 91 patients were identified requiring interposition vein grafting during reconstruction. Pre and perioperative characteristics were recorded Univariate and multivariate analyses were...