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Validity and role of vertebral fracture assessment in detecting prevalent vertebral fracture in patients with rheumatoid arthritis

Title
Validity and role of vertebral fracture assessment in detecting prevalent vertebral fracture in patients with rheumatoid arthritis
Author
조수경
Keywords
Vertebral fracture assessment (VFA); Rheumatoid arthritis; Vertebral fracture; Osteoporosisa
Issue Date
2014-03
Publisher
Elsevier Science B.V., Amsterdam.
Citation
Joint, bone, spine : revue du rhumatisme,v.81,no.2 2014년, pp.149 - 153
Abstract
Objective: We aimed to identify the validity and the role of vertebral fracture assessment (VFA) for the diagnosis of prevalent vertebral fracture (VF) in rheumatoid arthritis (RA) patients.Methods: Total of 100 women with RA who were 50 years or older were enrolled. All participants underwent lateral imaging of the thoraco-lumbar spine by radiography and VFA. All radiographs were analyzed by two radiologists. Discrepancies between radiologists for spine radiography were resolved by consensus and these results were defined as the reference standard. VFA interpretation was done independently by two nuclear medicine physicians. Fracture defined by VFA measure was done only when two physicians both independently reported fracture. The inter-rater agreement for the detection of VF on VFA was evaluated by kappa statistics. We calculated percent values for the diagnostic validity of VFA in detecting VF in the 100 women as a whole and according to the presence of previous fracture or back pain.Results: The prevalence of VF identified by spine radiography was 47%. Inter-rater agreement of VFA per vertebra by two VFA readers showed moderate agreement (kappa = 0.60). The sensitivity, PPV, specificity and NPV of VFA compared to spine radiography were 57.3%, 30.9%, 89.1% and 96.1% for total vertebrae. All patients with history of previous VF (n = 13) were visualized with VFA with 100% sensitivity but it has 64.7% sensitivity and 79.3% specificity in patients without previous VF (n = 87).Conclusion: VFA is most useful to identify patients without VF because of its high specificity and NPV in all spine level. (C) 2013 Societe francaise de rhumatologie. Published by Elsevier Masson SAS. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S1297319X13001796http://hdl.handle.net/20.500.11754/50724
ISSN
1297-319X; 1778-7254
DOI
10.1016/j.jbspin.2013.07.003
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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