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- W3161175208 abstract "Abstract Background: Anterior cruciate ligament reconstruction (ACLR) together with concomitant meniscal injury are risk factors for the development of tibiofemoral (TF) osteoarthritis (OA), but the potential effect on the patellofemoral (PF) joint is unclear. The aim of this study was to: (i) investigate change in patellar cartilage morphology in individuals 2.5 to 4.5 years after ACLR with or without concomitant meniscal pathology and in healthy controls, and (ii) examine the association between baseline patellar cartilage defects and patellar cartilage volume change.Methods: 32 isolated ACLR participants, 25 ACLR participants with combined meniscal pathology and nine healthy controls underwent knee magnetic resonance imaging (MRI) with 2-year intervals (baseline = 2.5 years post-ACLR). Patellar cartilage volume and cartilage defects were assessed from MRI using validated methods. Results: Both ACLR groups showed patellar cartilage volume increased over 2 years ( p < 0.05), and isolated ACLR group had greater annual percentage cartilage volume increase compared with controls (mean difference 3.6%, 95% confidence interval (CI) 1.0%, 6.3%, p = 0.008) and combined ACLR group (mean difference 2.2%, 95% CI 0.2%, 4.2%, p = 0.028). Patellar cartilage defects regressed in the isolated ACLR group over 2 years ( p = 0.02). Baseline patellar cartilage defect score was positively associated with annual percentage cartilage volume increase (B = 0.02; 95% CI 0.003, 0.03; p = 0.02) in the pooled ACLR participants. Conclusions: Hypertrophic response was evident in the patellar cartilage of ACLR participants with and without meniscal pathology. Surprisingly, the increase in patellar cartilage volume was more pronounced in those with isolated ACLR. Although cartilage defects stabilise in the majority of ACLR participants, the severity of patellar cartilage defects at baseline influenced the magnitude of the cartilage hypertrophic response over the subsequent ~2 years." @default.
- W3161175208 created "2021-05-24" @default.
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- W3161175208 date "2021-05-04" @default.
- W3161175208 modified "2023-10-16" @default.
- W3161175208 title "Change in Patellar Cartilage from 2.5 to 4.5 Years Following ACL Reconstruction With and Without Meniscal Pathology" @default.
- W3161175208 doi "https://doi.org/10.21203/rs.3.rs-482108/v1" @default.
- W3161175208 hasPublicationYear "2021" @default.
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