Journal of atherosclerosis and thrombosis · 2026
Associations of Serum Fatty Acids and the Eicosapentaenoic Acid/Arachidonic Acid Ratio with Hypertriglyceridemia in a Japanese Population: A Cross-Sectional Study.
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Funakoshi Yayoi, Maruyama Koutatsu, Kato Tadahiro, Saito Isao
Аннотация
AIM: The association between serum fatty acids and atherosclerotic disease remains unclear. In this cross-sectional study, we examined the association of serum fatty acids and the EPA/AA ratio with hypertriglyceridemia (HTG), a key metabolic factor underlying atherosclerosis.
METHODS: A total of 2,413 adults aged 40-74 years were randomly selected after excluding those with clinically validated myocardial infarction or stroke. We analyzed the serum fatty-acid composition and categorized saturated fatty acids (SFA), monounsaturated fatty acids (MUFA), n-6 polyunsaturated fatty acids (PUFA), n-3 PUFA, and the EPA/AA ratio into quartiles, defined HTG at triglyceride levels ≥ 150 or ≥ 175 mg/dL in fasting or non-fasting samples, respectively, and calculated the adjusted odds ratios (AORs) and 95 % confidence intervals (CIs) using multivariable logistic regression.
RESULTS: After adjusting for age, sex, body mass index, social status, lifestyle, and the self-reported medical history of hypertension, diabetes, dyslipidemia, other cardiovascular diseases, and cerebrovascular conditions (excluding validated myocardial infarction or stroke), the odds of HTG were significantly higher in the highest quartile of SFA (AOR, 8.13; 95 % CI, 5.62-11.77) and MUFA (AOR, 64.7; 95 % CI, 31.4-133.2). In contrast, higher n-6 PUFA (AOR, 0.02; 95 % CI, 0.01-0.04) and n-3 PUFA (AOR, 0.36; 95 % CI, 0.26-0.50) levels, and a higher EPA/AA ratio (AOR, 0.64; 95 % CI, 0.46-0.88) were associated with lower odds of HTG.
CONCLUSIONS: Higher serum SFA and MUFA were associated with increased odds, while higher n-6 PUFA, n-3 PUFA, and the EPA/AA ratio were associated with decreased odds of HTG.
METHODS: A total of 2,413 adults aged 40-74 years were randomly selected after excluding those with clinically validated myocardial infarction or stroke. We analyzed the serum fatty-acid composition and categorized saturated fatty acids (SFA), monounsaturated fatty acids (MUFA), n-6 polyunsaturated fatty acids (PUFA), n-3 PUFA, and the EPA/AA ratio into quartiles, defined HTG at triglyceride levels ≥ 150 or ≥ 175 mg/dL in fasting or non-fasting samples, respectively, and calculated the adjusted odds ratios (AORs) and 95 % confidence intervals (CIs) using multivariable logistic regression.
RESULTS: After adjusting for age, sex, body mass index, social status, lifestyle, and the self-reported medical history of hypertension, diabetes, dyslipidemia, other cardiovascular diseases, and cerebrovascular conditions (excluding validated myocardial infarction or stroke), the odds of HTG were significantly higher in the highest quartile of SFA (AOR, 8.13; 95 % CI, 5.62-11.77) and MUFA (AOR, 64.7; 95 % CI, 31.4-133.2). In contrast, higher n-6 PUFA (AOR, 0.02; 95 % CI, 0.01-0.04) and n-3 PUFA (AOR, 0.36; 95 % CI, 0.26-0.50) levels, and a higher EPA/AA ratio (AOR, 0.64; 95 % CI, 0.46-0.88) were associated with lower odds of HTG.
CONCLUSIONS: Higher serum SFA and MUFA were associated with increased odds, while higher n-6 PUFA, n-3 PUFA, and the EPA/AA ratio were associated with decreased odds of HTG.