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J Rheumatol. 1993 Sep;20(9):1524-6.

Seasonal variation in the onset of Wegener's granulomatosis, polyarteritis nodosa and giant cell arteritis.

Author information

1
Department of Medicine, Stanford University School of Medicine, CA.

Abstract

OBJECTIVE:

The hypothesis of a seasonal pattern in the onset of symptoms for some vasculitides has been raised in previous small studies.

METHODS:

Using the data collected by the American College of Rheumatology (ACR) Subcommittee on Classification of Vasculitis, we specifically tested for a higher proportion of onset of symptoms in winter, lower in summer, and intermediate for the other seasons for polyarteritis nodosa (PAN) and Wegener's granulomatosis. We also tested for a higher proportion of onset of symptoms in the spring-summer months for giant cell arteritis (GCA).

RESULTS AND CONCLUSIONS:

The results of our study support the hypothesis of a seasonal trend for the onset of symptoms of Wegener's granulomatosis (p = 0.04) as described previously. No seasonal pattern was found for the other vasculitides studied (PAN and GCA).

PMID:
7909333
[Indexed for MEDLINE]

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