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ISSN (Print): 1567-2050
ISSN (Online): 1875-5828

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Research Article

Trace Element Concentration and Cognitive Dysfunction in Elderly Residents in Birjand

Author(s): Toba Kazemi, Mitra Moodi, Shahnaz Rajabi, Farshad Sharifi, Saeed Samarghandian, Masoumeh Khorashadizadeh and Tahereh Farkhondeh*

Volume 19, Issue 9, 2022

Published on: 17 October, 2022

Page: [674 - 680] Pages: 7

DOI: 10.2174/1567205019666220913114154

Price: $65

Abstract

Background: Trace elements were suggested to have a main role in modulating cognitive function. However, there are several controversial findings regarding the association between serum trace element concentration and cognitive function in patients with cognitive disorders.

Methods: Thus, this study aimed to evaluate the changes in serum trace element concentrations in elderly with cognitive dysfunction versus the participants with normal cognitive function. This crosssectional study included 191 older adults over 60 years from Birjand County, Iran. Participants were assessed for cognitive performance and serum trace elements concentration, including aluminum (AL), cobalt (Co), cadmium (Cd), Chrome (Cr), copper (Cu), Iron (Fe), magnesium (Mg), manganese (Mn), selenium (Se) and zinc (Zn). Our findings showed no significant difference in the serum concentration of AL, Co, Cr, Zn, Fe, Mg, Mn, and Se of elderly with cognitive dysfunction versus the subjects with normal cognitive function.

Results: However, the concentration of Cu significantly increased in the serum of the elderly with cognitive dysfunction versus participants with normal function. In conclusion, our study indicated an increase in the serum concentration of Cu in the elderly with cognitive dysfunction in the sample of the Birjand Longitudinal Aging Study.

Conclusion: However, due to the main limitations of our study, including low sample size and crosssection design, these findings should be interpreted with caution.

Keywords: cognition, dementia, cognitive dysfunction, trace element, elderly

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