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Seasonal Variability in Spontaneous Cervical Artery Dissection

Overview
Journal J Neurol Neurosurg Psychiatry
Publisher BMJ Publishing Group
Specialties Neurology
Neurosurgery
Psychiatry
Date 2006 Apr 15
PMID 16614034
Citations 16
Authors
M Paciaroni
D Georgiadis
M Arnold
J Gandjour
B Keseru
G Fahrni
V Caso
R W Baumgartner
Affiliations
Soon will be listed here.
Abstract

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.

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Retrospective Comparative Analysis of Clinical and Imaging Features of Craniocervical Artery Dissection: Spontaneous CAD vs. Minor Traumatic CAD.

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Clinical case of successful treatment of internal carotid artery dissection during aneurysm embolization in acute period of subarachnoid hemorrhage.

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