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Trans R Soc Trop Med Hyg. 2010 Jun;104(6):392-9. doi: 10.1016/j.trstmh.2010.01.011. Epub 2010 Feb 19.

Clinical progression of chikungunya fever during acute and chronic arthritic stages and the changes in joint morphology as revealed by imaging.

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1
Regional Medical Research Centre (RMRC-ICMR), Post Bag No. 13, Dollygunj, Port Blair 744101, Andaman and Nicobar Islands, India.

Abstract

This longitudinal follow-up study of 203 patients with serologically confirmed chikungunya (CHIK) virus infection describes the clinical features of CHIK fever during the first and tenth months of illness. During the acute stage CHIK fever presents with a wide array of symptoms. The foremost chronic symptoms at the end of a month were rheumatism (75%) and fatigue (30%). During the tenth month of follow-up the symptoms/signs observed were joint pain/swelling (46%), fatigue (13%) and neuritis (6%). The cure rate at the end of 9 months was 51%. Among the patients who had joint pain, 36% (34/94) met the American College of Rheumatology criteria to classify them as having rheumatoid arthritis. A subpopulation of the patients with joint pain (20/94) was tested for rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) antibody, and the joints were imaged by X-ray and magnetic resonance imaging (MRI). All tested negative for RF and one tested positive for anti-CCP. A radiolucent lesion in the X-ray was seen in the bones of five patients. The MRI findings were joint effusion, bony erosion, marrow oedema, synovial thickening, tendinitis and tenosynovitis. The study proves with relative certainty that CHIK arthritis is chronic inflammatory erosive arthritis, which has implications for management of the infection.

PMID:
20171708
DOI:
10.1016/j.trstmh.2010.01.011
[Indexed for MEDLINE]
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