脑血管病是目前威胁人类健康与生命的重要疾病之一,它不但发病率高,而且死亡率、病残率也高。有关脑血管机能不全所致之症状,已为内科、神经内、外科、耳鼻喉科、眼科和影像学医师们所重视。脑的营养来自颈内动脉系与椎——基底动脉系,两者各自成体系互不吻合,因之当任一动脉系供血障碍,就会出现所供区缺血的症状。通常认为脑血管病的原因以动脉粥样硬化为颅外闭塞 Cerebrovascular disease is one of the most important diseases threatening human health and life. It not only has a high incidence, but also has high mortality and morbidity. The symptoms associated with cerebrovascular insufficiency have been highlighted by medical, neurological, surgical, ENT, ophthalmological and imaging physicians. Brain nutrition from the Department of internal carotid artery and vertebrobasilar artery system, both of the respective systems do not coincide, so when any arterial blood supply disorders, there will be provided for the area of ​​ischemic symptoms. It is generally thought that the cause of cerebrovascular disease is atherosclerosis extracranial occlusion