Bone Marrow Lesions and Cartilage Loss in Knee Osteoarthritis
Author Information
Author(s): Dore Dawn, Martens Ashleigh, Quinn Stephen, Ding Changhai, Winzenberg Tania, Zhai Guangju, Pelletier Jean-Pierre, Martel-Pelletier Johanne, Abram François, Cicuttini Flavia, Jones Graeme
Primary Institution: Menzies Research Institute Tasmania, University of Tasmania
Hypothesis
Do baseline bone marrow lesions predict cartilage defect progression and volume loss in older adults?
Conclusion
Baseline bone marrow lesions predicted site-specific defect progression and cartilage volume loss, suggesting they may have a local effect on cartilage health.
Supporting Evidence
- Baseline BML presence predicted defect progression at all four sites.
- Cartilage volume loss was greater in participants with baseline BMLs.
- Baseline cartilage defects predicted BML progression at the medial tibial and lateral femoral sites.
Takeaway
If you have bone marrow lesions in your knee, it might mean your cartilage is getting worse over time. It's like a warning sign that something is wrong.
Methodology
405 subjects underwent MRI scans to measure knee cartilage volume and defects at baseline and approximately 2.7 years later.
Potential Biases
Potential measurement error in assessing cartilage defects and BMLs.
Limitations
Follow-up MRI scans were only available for a subsample, and the study design included only two time points.
Participant Demographics
Participants aged 50-80 years, with an equal number of men and women, mean age 63 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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