Study on Bone Marrow Lesions in Older Adults
Author Information
Author(s): Dore Dawn, Quinn Stephen, Ding Changhai, Winzenberg Tania, Zhai Guangju, Cicuttini Flavia, Jones Graeme
Primary Institution: Menzies Research Institute Tasmania, University of Tasmania
Hypothesis
What is the natural history and clinical significance of MRI-detected bone marrow lesions at the knee in older adults?
Conclusion
Bone marrow lesions were not static, with similar proportions worsening and improving, and changes in their size were associated with changes in pain in those without established radiographic osteoarthritis.
Supporting Evidence
- 43% of participants had a bone marrow lesion at baseline.
- 25% of lesions decreased in size while 24% increased.
- Baseline BML severity predicted total knee replacement surgery.
Takeaway
This study looked at older people and found that some knee problems can get better or worse over time, and that changes in these problems can affect how much pain people feel.
Methodology
395 older adults were randomly selected and assessed for bone marrow lesions using MRI at baseline and approximately 2.7 years later, with pain and function measured using WOMAC scores.
Potential Biases
Potential bias due to the decommissioning of the MRI scanner affecting follow-up data.
Limitations
The study had a limited number of knee replacements and lacked data on tibial cartilage loss and effusion.
Participant Demographics
Mean age 63 years, 51% female, randomly selected from the general population.
Statistical Information
P-Value
0.019
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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