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无症状性脑梗死(SBI)亦称静止性脑梗死(SCI),是指临床上无明确的卒中病史,年龄好发于50～70岁,临床无神经系统定位体征。部分患者表现为一些非特异性症状,如头晕、轻微头痛、短暂性肢体麻木等。CT/MRI显示病灶直径在0.5～1.5cm,88.89%为腔隙性梗死。85.18%分布于内囊、基底节、放射冠区。高血压、动脉粥样硬化48.29%,糖尿病、高脂血症43.52%,冠心病、心房颤动均为SBI的危险因素。ACI是一种常见的脑血管病,应当引起重视。
Asymptomatic cerebral infarction (SBI), also known as silent cerebral infarction (SCI), refers to the clinic without a clear history of stroke, the age of onset in 50 to 70 years old, clinical signs of neurological localization. Some patients showed some non-specific symptoms, such as dizziness, mild headache, transient numbness and so on. CT / MRI showed lesions diameter 0.5 ~ 1.5cm, 88.89% lacunar infarction. 85.18% distributed in the internal capsule, basal ganglia, cornea. Hypertension, atherosclerosis 48.29%, diabetes, hyperlipidemia 43.52%, coronary heart disease, atrial fibrillation are SBI risk factors. ACI is a common cerebrovascular disease that deserves attention.