alexa Magnetic Resonance Imaging Pre and 4 months Post 6 Phys
ISSN: 2161-1149

Rheumatology: Current Research
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Case Report

Magnetic Resonance Imaging Pre and 4 months Post 6 Physiotherapy Treatments for OA Knee Pain - A Pilot Study

Jenny McConnell1* and John W Read2

1Centre for Sports Medicine, University of Melbourne, Australia

2Castlereagh Imaging, St Leonards, NSW, Australia

*Corresponding Author:
Jenny McConnell
McConnell & Clements Physiotherapy
Centre for Sports Medicine
University of Melbourne, Australia
Tel: 61299684766
Email: [email protected]

Received date: November 10, 2014; Accepted date: December 1, 2014; Published date: December 7, 2014

Citation: McConnell J, Read JW (2014) Magnetic Resonance Imaging Pre and 4 months Post 6 Physiotherapy Treatments for OA Knee Pain - A Pilot Study. Rheumatology (Sunnyvale) S16:008. doi: 10.4172/2161-1149.S16-008

Copyright: © 2014 McConnell J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The source of osteoarthritic (OA) knee pain is perplexing. Bone marrow Lesions (BMLs) and the Infrapatellar Fat Pad (IPFP) are hypothesized to cause symptoms in this patient population. With escalating costs for OA treatment, physiotherapy could be an inexpensive option for managing OA knee pain. The aim of this study was to examine the Magnetic Resonance Imaging (MRI) of OA knee pain patients, pre and post, a specific physiotherapy program to determine if there were any changes in patellar position, IPFP volume and appearance as well as BMLs. The study included 12 patients with radiological evidence of tibio-femoral, patello-femoral or tri-compartmental OA. 1.5 T MRIs were obtained pre and 4 months post 6 physiotherapy sessions. MRI comparisons were made for changes in (a) IPFP oedema signal b) patellar alignment c) IPFP depth, area and perimeter and d) cyst presence or size in the subspinous tibial bone marrow and subchondral bone marrow. After treatment, both pain scores and IPFP signal reduced in all subjects. The patella was 1.7 mm higher (p=0.004), 1.2 mm more medial (patellar drift, p=0.0001) and 2° more varus (patellar roll, p=0.001). No consistent pattern was found in distribution, size or intensity in BMLs. IPFP oedema seems to be associated with increased pain in knee OA.


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