卒中是中老年人的一种多发病 ,有很高的发病率、死亡率及致残率。据ＷＨＯ统计的资料 ,全世界有死因统计的 57个国家中 ,卒中死因占前三位的就有 40个国家 ,与卒中相关的残废估计每 1千人中就有 6个以上〔1〕。卒中后的医疗费用亦很高 :在英国 ,每年卒中病人的医疗费用大约是 5 Stroke is a frequently-occurring disease in the elderly, with high morbidity, mortality and morbidity. According to WHO statistics, of the 57 countries in the world with the cause of death statistics, 40 are the leading causes of stroke death and the disability associated with stroke is estimated to exceed 6 per 1,000 people [1]. Medical costs after stroke are also high: in the United Kingdom, the annual cost of a stroke patient is about 5