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BioMed Research International - Volume 2015 2015, Article ID 594878, 5 pages -

Research ArticleDepartment of Rheumatology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510630, China

Received 27 August 2014; Revised 11 October 2014; Accepted 12 October 2014

Academic Editor: James C. C. Wei

Copyright © 2015 Yikun Mou et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. Ankylosing spondylitis AS is a common rheumatic disease and is characterized by inflammation of the axial skeleton. HLA-B27 is strongly associated with AS. Juvenile-onset AS JAS with disease onset before 16 years of age differs from adult-onset AS AAS in many respects. Objective. To compare the clinical features in JAS with different B27 subtypes and analyze the differences between JAS and AAS. Methods. 145 JAS and 360 AAS patients were included. The demographic data, clinical manifestations, laboratory markers, Bath AS indices, and B27 subtypes were recorded. Results. Peripheral arthritis, enthesitis, BASDAI, ESR, and CRP were significantly higher in JAS patients with HLA-2704 than those with B27-negative. Enthesitis and ESR were significantly higher in patients with HLA-2705 than those with B27-negative. The onset age of HLA-2715 group was much earlier than the other groups. The peripheral arthritis, enthesitis, and hip joint involvement in JAS with HLA-2704 were significantly higher than those in AAS with HLA-2704. Conclusion. JAS with different B27 subtypes had similar features in most of manifestations; JAS and AAS patients with the same subtype could have distinctive courses. Early diagnosis, hip detection, and control of systemic active inflammation in JAS patients will be helpful for improving the prognosis.

Autor: Yikun Mou, Pingping Zhang, Qiuxia Li, Zhiming Lin, Zetao Liao, Qiujing Wei, and Jieruo Gu



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