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Serum concentration of eicosapentaenoic acid is associated with cognitive function in patients with coronary artery disease.
MedLine Citation:
PMID:  25471307     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Recent studies have shown that intake of n-3 polyunsaturated fatty acids (PUFAs) is associated with reduced risk of cognitive impairment and coronary artery disease (CAD); however, it is currently unknown whether reduced serum n-3 PUFA is associated with cognitive impairment in patients with CAD.
METHODS: We retrospectively evaluated cognitive function with the mini-mental state examination (MMSE), serum levels of PUFAs (including eicosapentaenoic acid [EPA], docosahexaenoic acid [DHA], dihomogammalinolenic acid [DGLA], and arachidonic acid [AA]), cardiovascular risk factors (hypertension, dyslipidemia, diabetes mellitus, cerebrovascular disease, and history of current/previous smoking), and parameters of cardiac function (left ventricular ejection fraction and brain natriuretic peptide levels) in 146 Japanese CAD patients. The associations between the MMSE scores and the other parameters were evaluated.
RESULTS: Pearson correlation analysis showed that EPA (R =0.25, P <0.01), EPA/AA ratio (R =0.22, P =0.01), and left ventricular ejection fraction (R =0.15, P =0.04) were positively associated with MMSE score, and that age (R = -0.20, P <0.01) and brain natriuretic peptide levels (R = -0.28, P <0.01) were inversely associated with MMSE score. Multiple regression analysis showed that age (P <0.05) was negatively associated with MMSE score, while EPA (P <0.01) and EPA/AA ratio (P <0.05) were positively associated with MMSE score; however, sex; body mass index; left ventricular ejection fraction; levels of DHA, AA, and DGLA; DHA/AA ratio; brain natriuretic peptide; and presence of hypertension, dyslipidemia, diabetes mellitus, cerebrovascular disease, and history of current/previous smoking were statistically excluded.
CONCLUSIONS: Serum EPA concentration is associated with cognitive function in patients with CAD, suggesting that a low serum EPA level is a risk factor for cognitive impairment independent of cardiac function, including left ventricular ejection fraction. This correlation potentially lends further support to a role of dietary n-3 PUFAs in preventing the cognitive decline in CAD patients.
Authors:
Shusuke Yagi; Tomoya Hara; Rie Ueno; Ken-Ichi Aihara; Daiju Fukuda; Akira Takashima; Junko Hotchi; Takayuki Ise; Koji Yamaguchi; Takeshi Tobiume; Takashi Iwase; Hirotsugu Yamada; Takeshi Soeki; Tetsuzo Wakatsuki; Michio Shimabukuro; Masashi Akaike; Masataka Sata
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-12-4
Journal Detail:
Title:  Nutrition journal     Volume:  13     ISSN:  1475-2891     ISO Abbreviation:  Nutr J     Publication Date:  2014 Dec 
Date Detail:
Created Date:  2014-12-4     Completed Date:  -     Revised Date:  2014-12-5    
Medline Journal Info:
Nlm Unique ID:  101152213     Medline TA:  Nutr J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  112     Citation Subset:  -    
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