stroke A stroke is defined by the WHO as the rapid development of clinical syndrome of cerebral dysfunction, with signs lasting at least 24hrs or leading to death with no apparent cause other than that of vascular origin Stroke is the common and frequently occurring disease with high disability in the aged patients. Its complications involved motion, sensation cognition, speech and psychology dysfunctions and soon。stroke A stroke is defined by the WHO as the rapid development of clinical syndrome of cerebral dysfunction, with signs lasting at least 24hrs or leading to death with no apparent cause other than that of vascular origin. Stroke is the common and frequently occurring disease with high disability in the aged patients. Its complications involved motion, sensation, cognition, speech and psychology dysfunctions and so on