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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Memory Impairment is Associated with Serum Methylarginines in Older Adults
Current Alzheimer Research, Volume 11, No. 1, Year 2014
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Description
Background: This study measured serum concentrations of vascular risk factors, asymmetric dimethylarginine (ADMA) and symmetric dimethylarginine (SDMA) in a representative sample of older community-dwelling adults and determined their associations with objective and subjective memory impairment. Methods: Data on clinical, lifestyle, and demographic characteristics, serum ADMA, SDMA, and L-arginine (measured using LC-MS/MS) were collected from a population-based sample of older Australian adults from the Hunter Community Study. Objective memory was measured with the Audio Recorded Cognitive Screen (ARCS) neuropsychological battery and subjective memory impairment was measured using the Memory Complaint Questionnaire (MAC-Q). Results: Multivariate analysis revealed that SDMA and diabetes were significantly associated with objective memory impairment (Adjusted Odd ratio (AOR) = 3.90; 95% CI. 1.21 - 12.52 for fourth quartile (Q4) of SDMA. ADMA, SDMA, education, number of general practitioner visits and atrial fibrillation were all significantly associated with subjective memory impairment. (AOR = 1.82; 95% CI. 1.04 - 3.18 for Q4 ADMA. Conclusions: Higher serum SDMA was associated with objective and subjective memory impairment while higher serum ADMA was associated with subjective memory impairment. © 2014 Bentham Science Publishers.
Authors & Co-Authors
McEvoy, Mark A.
Australia, Callaghan
University of Newcastle, College of Health, Medicine and Wellbeing
Agho, Kingsley Emwinyore
Australia, Penrith
Western Sydney University
Attia, John Richard
Australia, Callaghan
University of Newcastle, College of Health, Medicine and Wellbeing
Australia, Newcastle
John Hunter Hospital
Statistics
Citations: 12
Authors: 3
Affiliations: 7
Identifiers
Doi:
10.2174/15672050113106660178
ISSN:
18755828
Research Areas
Noncommunicable Diseases
Study Design
Cross Sectional Study