Comparative Study of the Inclination Angle and Complications of Eccentric Grafts Position in ACL Reconstruction and Normal ACL: Retrospective Cohort

Inclusion Criteria: * magnetic resonance imaging (MRI) of patients with ACL reconstruction was compared to MRI in which ACL was intact. * patients with isolated ACL injury who underwent ACL reconstruction surgery using quadripled hamstrings graft and operated by a single senior surgeon * Both pre-operative and post-operative MRI should be available for assessment * No history of trauma in the post-operative or rehabilitation period Exclusion Criteria: * Concomitant bony or other ligament injury to the same knee * history of previous surgery to the same knee * Revision ACL reconstruction surgery * surgery done at other center or by other doctors at our institute * Pre-operative and/or post-operative MRI not available