Objective To explore the relationship between cognitive impairment and carotid artery atherosclerosis in Uygur Alzheimer's disease( AD) patients. Methods Totally 180 AD patients were collected as AD group and 175 normal persons with similar age were arranged as control group. The cognitive function was assessed by Mini-Mental State Examination( MMSE) and AD Assessment Scale-Cognitive portion( ADAS-Cog). The carotid artery atherosclerosis was measured by carotid artery ultrasound. Results Compared with those of control group,the scores of...