期刊
ANNALS OF THE RHEUMATIC DISEASES
卷 71, 期 4, 页码 484-492出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/annrheumdis-2011-200329
关键词
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类别
资金
- EULAR
- ACR
- Mayo Foundation
- Biobanque de Picardie in Amiens, France
- Ministerio de Ciencia y Tecnologia [SAF 08/04328]
The objective of this study was to develop EULAR/ACR classification criteria for polymyalgia rheumatica (PMR). Candidate criteria were evaluated in a 6-month prospective cohort study of 125 patients with new onset PMR and 169 non-PMR comparison subjects with conditions mimicking PMR. A scoring algorithm was developed based on morning stiffness >45 minutes (2 points), hip pain/limited range of motion (1 point), absence of RF and/or ACPA (2 points), and absence of peripheral joint pain (1 point). A score >= 4 had 68% sensitivity and 78% specificity for discriminating all comparison subjects from PMR. The specificity was higher (88%) for discriminating shoulder conditions from PMR and lower (65%) for discriminating RA from PMR. Adding ultrasound, a score >= 5 had increased sensitivity to 66% and specificity to 81%. According to these provisional classification criteria, patients >= 50 years old presenting with bilateral shoulder pain, not better explained by an alternative pathology, can be classified as having PMR in the presence of morning stiffness >45 minutes, elevated CRP and/or ESR and new hip pain. These criteria are not meant for diagnostic purposes.
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