Abstract
Objective To explore the distribution characteristics of intra/extracranial large-artery disturbance in patients with ischemic stroke (IS)/transient ischemic attack (TIA). Methods The medical history information of 169 IS/TIA patients was recorded. The results of laboratory examination, electrocardiogram, echocardiography, abdominal ultrasound and chest radiography were analyzed. At the same time, the intra/extra-cranial large arteries were examined to analyze the degree, distribution and pattern of their disturbance. Results Among them, there were intra/extra-cranial large-arterial stenosis (n=112, 66.3%) and small-arterial disturbance (n=57, 33.7%). Multiple vascular disturbance pattern was more common in patients with intra/extra-cranial large-arterial stenosis (n=71, 63.4%). The incidence of intracranial large-arterial stenosis was significantly higher than that of extracranial large-arterial stenosis (53.8% vs. 35.5%, P<0.05). And middle cerebral artery was the most commonly affected artery, 36 of those were culprit vessels accounting for 73.5%(36/49). Conclusions The IS/TIA patients have a high incidence of intra/extra-cranial large-arterial stenosis. Multiple vascular disturbance is a more common pattern. The incidence of intracranial large-arterial stenosis is greater than that of extracranial and middle cerebral artery is the most common affected artery. Key words: Cerebrovascular accident; Arteriostenosis; Intracranial arteriosclerosis
Published Version
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