Document Detail


Comparison of conventional standing knee radiographs and magnetic resonance imaging in assessing progression of tibiofemoral joint osteoarthritis.
MedLine Citation:
PMID:  15922634     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: Although the current recommendation is to measure radiographic joint space width (JSW) to assess structural change in osteoarthritis (OA), there is increasing interest in direct measurement of cartilage volume from magnetic resonance imaging (MRI). We performed a longitudinal study to compare change in both JSW and articular cartilage volume in subjects with symptomatic knee OA. METHODS: JSW was measured in 28 subjects with knee OA (57% females, mean age 62.8+/-9.8 years) who had standing radiographs in full extension, where both radiographs had satisfactory alignment. Each subject had femoral, tibial and combined femoral and tibial cartilage volumes determined from T1-weighted fat saturated sagittal knee MRI. All subjects had a repeat of the knee radiograph and MRI 1.96+/-0.4 years later. RESULTS: At baseline there was a moderate, but statistically significant, correlation between JSW and femoral and tibial cartilage volumes in the medial tibiofemoral joint, which was strengthened by adjusting for medial tibial bone size (R=0.58-0.66, P=0.001). Although we observed a reduction in JSW and femoral and tibial cartilage volumes over the study period, there was no significant association between reduction in JSW and cartilage volume (R<0.13). There was a trend towards a significant association between change in medial tibiofemoral cartilage volume and joint replacement at 4 years (OR=9.0, P=0.07) but not change in medial tibiofemoral JSW (OR=1.1, P=0.92). CONCLUSIONS: Although there was a modest correlation between cartilage volume and JSW in the medial tibiofemoral compartment, there was no correlation between longitudinal change in these measures. Change in cartilage volume appears to be a better predictor of joint replacement. Further work in larger samples over a longer period of time will be needed to confirm these findings.
Authors:
F Cicuttini; J Hankin; G Jones; A Wluka
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society     Volume:  13     ISSN:  1063-4584     ISO Abbreviation:  Osteoarthr. Cartil.     Publication Date:  2005 Aug 
Date Detail:
Created Date:  2005-07-26     Completed Date:  2005-12-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9305697     Medline TA:  Osteoarthritis Cartilage     Country:  England    
Other Details:
Languages:  eng     Pagination:  722-7     Citation Subset:  IM    
Affiliation:
Department of Epidemiology and Preventive Medicine, Monash University Medical School, Alfred Hospital, Prahran, Victoria 3181, Australia. flavia.cicuttini@med.monash.edu
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MeSH Terms
Descriptor/Qualifier:
Arthroplasty, Replacement, Knee / methods
Cartilage, Articular / pathology,  radiography
Disease Progression
Female
Femur
Humans
Knee Joint / pathology*,  radiography,  surgery
Longitudinal Studies
Magnetic Resonance Imaging / methods*
Male
Middle Aged
Osteoarthritis, Knee / pathology*,  radiography,  surgery
Pain Measurement
Tibia
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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