Journal article
7T MRI detects deterioration in subchondral bone microarchitecture in subjects with mild knee osteoarthritis as compared with healthy controls
Journal of magnetic resonance imaging, Vol.41(5), pp.1311-1317
05/2015
DOI: 10.1002/jmri.24683
PMID: 24979471
Abstract
Purpose
To determine how subchondral bone microarchitecture is altered in patients with mild knee osteoarthritis.
Materials and Methods
This study had Institutional Review Board approval. We recruited 24 subjects with mild radiographic knee osteoarthritis and 16 healthy controls. The distal femur was scanned at 7T using a high‐resolution 3D FLASH sequence. We applied digital topological analysis to assess bone volume fraction, markers of trabecular number (skeleton density), trabecular network osteoclastic resorption (erosion index), plate‐like structure (surface), rod‐like structure (curve), and plate‐to‐rod ratio (surface‐curve ratio). We used two‐tailed t‐tests to compare differences between osteoarthritis subjects and controls.
Results
7T magnetic resonance imaging (MRI) detected deterioration in subchondral bone microarchitecture in both medial and lateral femoral condyles in osteoarthritis subjects as compared with controls. This was manifested by lower bone volume fraction (−1.03% to −5.43%, P < 0.04), higher erosion index (+8.49 to +22.76%, P < 0.04), lower surface number (−2.31% to −9.63%, P < 0.007), higher curve number (+6.85% to +16.93%, P < 0.03), and lower plate‐to‐rod ratio (−7.92% to −21.71%, P < 0.05).
Conclusion
The results provide further support for the concept that poor subchondral bone quality is associated with osteoarthritis and may serve as a potential therapeutic target for osteoarthritis interventions. J. Magn. Reson. Imaging 2015;41:1311–1317. © 2014 Wiley Periodicals, Inc.
Details
- Title: Subtitle
- 7T MRI detects deterioration in subchondral bone microarchitecture in subjects with mild knee osteoarthritis as compared with healthy controls
- Creators
- Gregory Chang - New York UniversityDing Xia - New York UniversityCheng Chen - University of IowaGuillaume Madelin - University of IowaSteven B Abramson - New York UniversityJames S Babb - New York UniversityPunam K Saha - University of IowaRavinder R Regatte - New York University
- Resource Type
- Journal article
- Publication Details
- Journal of magnetic resonance imaging, Vol.41(5), pp.1311-1317
- DOI
- 10.1002/jmri.24683
- PMID
- 24979471
- NLM abbreviation
- J Magn Reson Imaging
- ISSN
- 1053-1807
- eISSN
- 1522-2586
- Number of pages
- 7
- Grant note
- National Institutes of Health (NIH) (NIH K23–059748 (to G.C.), NIH RO1‐O56260 (to R.R.), NIH RO1–060238 (to R.R.))
- Language
- English
- Date published
- 05/2015
- Academic Unit
- Radiology; Electrical and Computer Engineering
- Record Identifier
- 9984197258602771
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