Objective To investigate the relation between common carotid artery (CCA) intima-media thickness (IMT) and the incidence of cerebral infarction by ultrasonography, which may help select patients at high risk for cerebral infarction.

• 目的应用超声检查评估颈总动脉(CCA)内-中膜厚度(IMT)与脑梗死的关系,协助筛选脑梗死高危人群。