2021 Annual Meeting Knee Access Pass-Increased Posterior Tibial Slope is Associated with Revision Anterior Cruciate Ligament Reconstruction Graft Re-Rupture

Increased Posterior Tibial Slope is Associated with Revision Anterior Cruciate Ligament Reconstruction Graft Re-Rupture

Video Transcription

Video Summary

The video discusses a study on the association between posterior tibial slope and revision ACL graft failure. The researchers aimed to compare the slope measurements on knee radiographs and MRI scans in patients with revision ACL graft failure versus control patients, and identify cutoff values that predict the risk of graft failure. They hypothesized that patients with graft failure would have a steeper posterior tibial slope. The study was a retrospective review of a revision ACL database and included patients with acceptable radiographs and MRI measurements. The results showed significantly higher tibial slopes in patients with graft failure, and a medial tibial slope greater than 14 degrees was associated with an 18 times greater odds of revision ACL failure. The study suggests that elevated tibial slope is a significant risk factor for graft failure and should be considered in the revision setting. However, more prospective studies are needed to determine the best treatment options.

Asset Caption

Dr. Robert Duerr

Keywords

posterior tibial slope

revision ACL graft failure

knee radiographs

MRI scans

cutoff values