One Research on Improving Cognitive Impairment Caused by Hypertension

Exclusion Criteria

• •Secondary hypertension；
• •Taking certain kinds of antihypertensive drugs which may damage brain cognitive function；
• •Diagnosed as depression or other mental disorders according to DSM-IV；
• •Diagnosed as vascular dementia according to diagnostic criteria, CDR ≥ 0.5; alzheimer disease or dementia caused by some other reasons (including mixed dementia according to diagnostic criteria for VCI); cognitive impairment due to head injury。
• •Suffering from certain kinds of diseases which may interfere the assessment of cognitive function, including those who are diagnosed as alcoholics and drugs or psychotropic medicine abusers during the last 5 years according to DSM-IV；
• •Accompanied with severe neurological function disorder；
• •Asthma, chronic severe primary cardiovascular disease, liver lesion, hematological lesions, lung diseases, diabetes or other severe diseases may influence the patients' survival such as cancer or AIDS；
• •Other: Such as poor compliance, or can not attend the follow-up visit in time for some reasons；
• •Taking the same kind of medicine during the last 30 days which may influence the trial；
• •Is participating in another clinical study；
• •Not up to TCM Syndrome Differentiation Standard。