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. 2017 Nov;38(11):1985-1991.
doi: 10.1007/s10072-017-3084-5. Epub 2017 Aug 16.

Epidemiology and cerebrovascular events related to cervical and intracranial arteries dissection: the experience of the city of Pisa

N Giannini  1 , L Ulivi  1 , M Maccarrone  1 , V Montano  1 , G Orlandi  1 , E Ferrari  1 , C Cravcenco  1 , U Bonuccelli  1 , M Mancuso  2
Affiliations

Epidemiology and cerebrovascular events related to cervical and intracranial arteries dissection: the experience of the city of Pisa

N Giannini et al. Neurol Sci. 2017 Nov.

Abstract

Spontaneous dissection of cervical arteries (sCAD) is a major cause of ischemic stroke in young patients, with an incidence varying from 1.7 to 3/100,000/year for extracranial internal carotid artery (ICAD) and 1 to 1.9/100,000/year for extracranial vertebral artery (VAD). Reliable epidemiological data on stroke incidence related to sCAD are scarce in Italy. This study aims to evaluate the incidence, clinical features, and outcome of cerebrovascular events related to sCAD and spontaneous intracranial arteries dissections (sIAD) in the city of Pisa (Italy). We retrospectively analyzed consecutive patients admitted between December 1997 and June 2015 with a diagnosis of stroke, TIA, or Bernard-Horner syndrome due to acute cervical or intracranial artery dissection. Considering that our hospital collects presumptively all patients hospitalized with sCAD coming from the referral geographical area, data may provide a good approximation to real incidence of sCAD in our population. Clinical and radiological features, acute treatment and outcome were collected. Seventy-seven cases were included (mean age 48.1±10.4 years, range 23-77,72.7% males), 66 residents in the district of Pisa. Crude incidence rate of cerebrovascular events due to intra or extracranial dissection was 1.88/100,000/year. The incidence of ICAD was 0.80/100,000/year and 0.43/100,000/year for VAD. Stroke occurred in 76.6% of patients. VAD was more prone to cause ischemic stroke and present with cervical pain or focal signs (p < 0.01) than ICAD group, which had older age at onset. sIAD were more frequent in the posterior circle (p = 0.01) and more associated with ischemic lesions. A good outcome (mRS 0-2) was observed in 79% of patients. This is the first epidemiological attempt to investigate impact of sCAD and sIAD in Italy.

Keywords: Cerebrovascular events; Epidemiology; Spontaneous dissection of cervical arteries.

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