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应用双功扫描技术检测了１６２例ＣＴ显示为不同类型均脑梗塞。确定了诊断颈动脉病变的有价值的血流参数。结果表明大面积梗塞，分水岭梗塞，多发性梗塞的颅外颈动脉的高度狭窄和闭塞明显高于单发梗塞组（Ｐ＜０．００１，＜０．０１，＜０．０５），皮质区与皮质下梗塞的颈动脉高度狭窄闭塞亦不同（Ｐ＜０．００１）。有高血压和脑血管病史者颈动脉高度狭窄和闭塞的发病率高（Ｐ＜０．０１，Ｐ＜０．０５），年龄和糖尿病史则对其影响不大。同时分析了心脏病患者的颈动脉血流特点。
Two hundred scans were used to detect 162 cases of CT showed different types of cerebral infarction. The valuable blood flow parameters for diagnosing carotid lesions were identified. The results showed that the stenosis and occlusion of extracranial carotid artery in large infarction, watershed infarction and multiple infarction were significantly higher than those in single infarct group (P <0.001, <0.01, <0.05) Subcortical carotid artery occlusion of high stenosis is also different (P <0.001). The incidence of carotid artery stenosis and occlusion with history of hypertension and cerebrovascular disease was high (P <0.01, P <0.05), while age and history of diabetes had little effect on it. At the same time, we analyzed the characteristics of carotid artery blood flow in patients with heart disease.