Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep20858
Title: Clinicopathological correlation of psychosis and brain vascular changes in Alzheimer's disease
Authors: Ting S.K.S. 
Hao Y.
Chia P.S.
Tan E.-K. 
Hameed S. 
Issue Date: 2016
Publisher: Nature Publishing Group
Citation: Ting S.K.S., Hao Y., Chia P.S., Tan E.-K., Hameed S. (2016). Clinicopathological correlation of psychosis and brain vascular changes in Alzheimer's disease. Scientific Reports 6 : 20858. ScholarBank@NUS Repository. https://doi.org/10.1038/srep20858
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.
Source Title: Scientific Reports
URI: http://scholarbank.nus.edu.sg/handle/10635/148973
ISSN: 20452322
DOI: 10.1038/srep20858
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