Clinical outcomes and complications of the posterior dynamic distraction device in adolescent idiopathic scoliosis: a systematic review and meta-analysis.
PURPOSE The posterior dynamic distraction device (PDDD) is a fusionless implant for adolescent idiopathic scoliosis (AIS). We aimed to quantify pooled major-curve Cobb correction, complication, revision, and infection rates after primary PDDD implantation for Lenke 1 or 5 curves, and to place these outcomes in context...