Original Research

Epidemiology of Existing Extensor Mechanism Pathology in Primary Anterior Cruciate Ligament Ruptures in an Active-Duty Population

Publish date: August 31, 2018

MAJ Todd P. Balog, MD

MAJ Benjamin P. Blanks, PA

MAJ Aaron D. Dykstra, MD

MAJ Stephen A. Parada, MD

COL (ret) Edward D. Arrington, MD

TAKE-HOME POINTS

Extensor mechanism pathology is a common finding in patients with ACL injuries.
Extensor mechanism pathology such as a multipartite patella, unresolved Osgood-Schlatter’s disease, and patella tendinopathy are easily identifiable on standard imaging.
It is unknown what type of effect, if any, these pathologies may have on graft strength.
The bone-patella tendon-bone and quadriceps autograft are the most likely to be affected.
Surgeons should take into account existing extensor mechanism pathology when considering individual patient graft selection for ACL reconstruction.

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