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2020 Feb 11

Zhonghua Yi Xue Za Zhi



[Clinical characteristics and risk factors analysis of intracranial and extracranial arterial dissection].


Shi YP, Wang YH, Cheng WC, Zhang QM, Xu J, Lian YJ
Zhonghua Yi Xue Za Zhi. 2020 Feb 11; 100(5):345-350.
PMID: 32074777.


To compare and analyze the clinical features and potential risk factors of intracranial and extracranial arterial dissection. A total of 241 consecutive patients with cervicocerebral artery dissection (CAD) in the First Affiliated Hospital of Zhengzhou University from 2010 to 2019 were observed. The 241 CAD patients were divided into extracranial artery dissection group (EAD) (81) and intracranial artery dissection group (IAD) (160), clinical characteristics and risk factors were compared between the two groups. Compared with EAD, the National Institute of Health Stroke Scale (NIHSS) score was higher in patients with ischemic stroke in the IAD group (0.015). Patients with IAD were more likely to present with headache (58.8% vs 37.0%, 0.001), and dissection Aneurysms (76.3% vs 38.3%, 0.001). Patients with EAD more likely to have a history of mild head and neck injuries (11.1% vs 4.4%, 0.047) and often involved the anterior circulation (77.8% vs 20.0%, 0.001). Multivariate Logistic regression analysis showed differences in a history of minor head and neck trauma (3.53, 95 1.04-11.97, 0.042), anterior circulation involvement (0.09, 95 0.05-0.19, 0.001), dissection aneurysms (4.98, 95 2.80-8.84, 0.001), headache (2.42, 95 1.39-4.20, 0.002) remained significant, and the NHISS score lost its significance. EAD often involves the anterior circulation and a history of mild injury to the head and neck. IAD is more prone to exhibit headache symptoms, and it is more likely to form a dissection aneurysm, and the symptoms of ischemic stroke are more severe.