Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 19980
  Title Effects of laterally wedged insoles on symptoms and disease progression in medial knee osteoarthritis: A protocol for a randomised, double-blind, placebo controlled trial [randomized controlled trial]
URL http://www.ncbi.nlm.nih.gov/pubmed/17892539
Journal BMC Musculoskel Disord. 2007 ;8(96):Online access only
Author(s)
Subject(s)
Peer Review Yes
Publication Type Randomized Controlled Trial
Abstract/Notes BACKGROUND: Whilst laterally wedged insoles, worn inside the shoes, are advocated as a simple, inexpensive, non-toxic self-administered intervention for knee osteoarthritis (OA), there is currently limited evidence to support their use. The aim of this randomised, double-blind controlled trial is to determine whether laterally wedges insoles lead to greater improvements in knee pain, physical function and health-related quality of life, and slower structural disease progression as well as being more cost-effective, than control flat insoles in people with medial knee OA.

METHODS/DESIGN: Two hundred participants with painful radiographic medial knee OA and varus malalignment will be recruited from the community and randomly allocated to lateral wedge or control insole groups using concealed allocation. Participants will be blinded as to which insole is considered therapeutic. Blinded follow up assessment will be conducted at 12 months after randomisation. The outcome measures are valid and reliable measures recommended for OA clinical trials. Questionnaires will assess changes in pain, physical function and health-related quality-of-life. Magnetic resonance imaging will measure changes in tibial cartilage volume. To evaluate cost-effectiveness, participants will record the use of all health-related treatments in a log-book returned to the assessor on a monthly basis. To test the effect of the intervention using an intention-to-treat analysis, linear regression modelling will be applied adjusting for baseline outcome values and other demographic characteristics.

DISCUSSION: Results from this trial will contribute to the evidence regarding the effectiveness of laterally wedged insoles for the management of medial knee.

This abstract is reproduced with the permission of the publisher; click on the above link to connect to full text.
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