Seasonal variability in spontaneous cervical artery dissection

Paciaroni, M; Georgiadis, D; Arnold, M; Gandjour, J; Keseru, B; Fahrni, G; Caso, V; Baumgartner, R W (2006). Seasonal variability in spontaneous cervical artery dissection. Journal of neurology, neurosurgery and psychiatry, 77(5), pp. 677-9. London: BMJ Publishing Group 10.1136/jnnp.2005.077073

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We examined the seasonal variability of spontaneous cervical artery dissection (sCAD) by analysing prospectively collected data from 352 patients with 380 sCAD (361 symptomatic sCAD; 305 carotid and 75 vertebral artery dissections) admitted to two university hospitals with a catchment area of 2,200,000 inhabitants between 1985 and 2004. Presenting symptoms and signs of the 380 sCAD were ischaemic stroke in 241 (63%), transient ischaemic attack in 40 (11%), retinal ischemia in seven (2%), and non-ischaemic in 73 (19%) cases; 19 (5%) were asymptomatic sCAD. A seasonal pattern, with higher frequency of sCAD in winter (31.3%; 95% confidence interval (CI): 26.5 to 36.4; p=0.021) compared to spring (25.5%; 95% CI: 21.1 to 30.3), summer (23.5%; 95% CI: 19.3 to 28.3), and autumn (19.7%; 95% CI: 15.7 to 24.1) was observed. Although the cause of seasonality in sCAD is unclear, the winter peaks of infection, hypertension, and aortic dissection suggest common underlying mechanisms.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology

UniBE Contributor:

Arnold, Marcel, Keserü, Borbala

ISSN:

0022-3050

ISBN:

16614034

Publisher:

BMJ Publishing Group

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:50

Last Modified:

05 Dec 2022 14:15

Publisher DOI:

10.1136/jnnp.2005.077073

PubMed ID:

16614034

Web of Science ID:

000237238000027

URI:

https://boris.unibe.ch/id/eprint/20956 (FactScience: 4768)

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