Abstract
Psychosis is common in Alzheimer’s disease (AD). However, studies on neuropathology in vascular etiology contributing to psychosis in AD is lacking to date. The aim of this study was to investigate neuropathological vascular related changes in Alzheimer’s disease with psychosis. Data of patients with AD from the National Alzheimer’s Coordinating Center between 2005 to September 2013 was accessed and reviewed. Presence of psychosis was determined based on Neuropsychiatric Inventory Questionnaire taken from the last visit within one year prior to death, and patients were divided into psychosis positive and negative group. Comparison of clinical details and neuropathological vascular changes between the groups was performed using Wilcoxon rank sum test and Chi-square/ Fisher’s exact test. Significant variables were further included in a multivariate logistic model. Overall, 145 patients was included. Of these, 50 patients were psychosis positive. Presence of one or more cortical microinfarcts and moderate to severe arteriosclerosis was found to be positively associated with psychosis. Our results suggest vascular changes correlate with psychosis in Alzheimer’s disease.
Highlights
The final dataset analyzed for the current study included 145 patients evaluated at National Institute on Aging– funded Alzheimer Disease Centers (ADCs) from 2005 to September 2013
The prevalence of psychosis usually varies in the course of Alzheimer’s disease (AD), and some studies noted that the severity of cognitive impairment was positively associated with the presence of psychosis
The results suggested that in general, the prevalence of psychosis increased as the level of cognitive impairment advanced[21]
Summary
The aim of this study was to investigate neuropathological vascular related changes in Alzheimer’s disease with psychosis. This study aimed to investigate neuropathological findings, especially vascular-related changes, in Alzheimer’s disease with psychosis
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