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J Orthop Sports Phys Ther. 2016 Apr;46(4):232-4. doi: 10.2519/jospt.2016.0603.

Patellofemoral Osteoarthritis: Are We Missing an Important Source of Symptoms After Anterior Cruciate Ligament Reconstruction?

Abstract

Anterior cruciate ligament (ACL) rupture is a well-established risk factor for knee osteoarthritis (OA). Fifty to ninety percent of individuals will develop radiographic tibiofemoral OA within a decade after ACL injury and anterior cruciate ligament reconstruction (ACLR). Although less well recognized, radiographic patellofemoral OA is present in approximately 50% of individuals at more than 10 years after ACLR. This early-onset OA and its associated pain and functional limitations pose a particular challenge to younger adults with OA compared to an older OA population. Targeted interventions need to be developed to reduce the burden of early-onset OA following ACLR. Emerging evidence suggests that such interventions should target both the patellofemoral and tibiofemoral joints.

KEYWORDS:

ACL; ACLR; OA; age; anterior cruciate ligament; knee osteoarthritis; patellofemoral osteoarthritis; tibial osteoarthritis

PMID:
27032529
DOI:
10.2519/jospt.2016.0603
[Indexed for MEDLINE]

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