The purpose of this study was to identify and report on the rate at which leaders in orthopaedic surgery are encountering GTM, their treatment methods and to identify whether these clinicians’ demographics or techniques correlate with their GTM incidence and/or treatment algorithms.
A survey was sent to identify the rate at which member orthopaedic surgeons of the American Orthopaedic Society for Sports Medicine (AOSSM), the National Football League Physicians Society (NFLPS), and the Herodicus Society are encountering GTM in ACL reconstruction with BTB graft and to establish what methods are most commonly utilized.
In total, 260 orthopaedic surgeons completed the survey. Respondents most frequently reported GTM in 1-5% of cases, with GTM most often between 5 and 10 mm. For lower levels of GTM, surgeons are most frequently recessing the femoral bone plug and adding a cortical suspensory device or outside-in fixation. Higher degrees of GTM are most commonly supplemented with a screw/post on the tibia. Those with >15 years of experience were more commonly using a transtibial femoral drilling with lower tibial tunnel angulation, and lower incidences of GTM than their less experienced counterparts.
There is tremendous variability in the incidence and management of GTM in ACL reconstruction with BTB graft with no clear consensus among experts. Differences are seen in ACL reconstruction techniques and means of correcting GTM when evaluating based on years of surgical experience and Sports Medicine Fellowship completion.
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