Rheumatology Advance Access originally published online on February 28, 2003
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Rheumatology 2003; 42: 413-421
© 2003 British Society for Rheumatology
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Giant cell arteritis: epidemiological clues to its pathogenesis and an update on its treatment
Departments of Rheumatology, Sahlgrenska University Hospital, SE-413 45, Göteborg, Sweden
Giant cell arteritis (GCA) is a chronic systemic vasculitis with a marked female predominance and restriction to old age. The disease process distinctly targets large and medium sized arteries, preferentially the aorta and its extracranial branches. Morphological observations indicate that the age and sex distribution of GCA is related to the occurrence of degenerative changes in the arterial wall. GCA is not a truly infectious vasculitis. However, an infection might be a triggering factor. Different centres report an increase in GCA incidence, but annual fluctuations have not been shown to be statistically significant. However, significant seasonal variations have been observed by several groups. The mortality is not increased in adequately treated patients. Although, alternative steroid-sparing agents have been proposed, corticosteroids are still the first treatment choice.
Correspondence to: E. Nordborg. E-mail: nordborg{at}swipnet.se
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