Cited by 567Fatty Acid Research and HealthNutritional Studies and DietNuts composition and effects

Dietary Linoleic Acid and Risk of Coronary Heart Disease: A Systematic Review and Meta-Analysis of Prospective Cohort Studies

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Farvid, Maryam S., Ding, Ming, Pan, An, Sun, Qi, Chiuve, Stephanie E., Steffen, Lyn M., Willett, Walter C., Hu, Frank B.·2014·Circulation

Abstract

Background—: Previous studies on intake of linoleic acid (LA), the predominant n-6 fatty acid, and coronary heart disease (CHD) risk have generated inconsistent results. We performed a systematic review and meta-analysis of prospective cohort studies to summarize the evidence regarding the relation of dietary LA intake and CHD risk. Methods and Results—: We searched MEDLINE and EMBASE databases through June 2013 for prospective cohort studies that reported the association between dietary LA and CHD events. In addition, we used unpublished data from cohort studies in a previous pooling project. We pooled the multivariate-adjusted relative risk (RR) to compare the highest with the lowest categories of LA intake using fixed-effect meta-analysis. We identified 13 published and unpublished cohort studies with a total of 310 602 individuals and 12 479 total CHD events, including 5882 CHD deaths. When the highest category was compared with the lowest category, dietary LA was associated with a 15% lower risk of CHD events (pooled RR, 0.85; 95% confidence intervals, 0.78–0.92; I 2 =35.5%) and a 21% lower risk of CHD deaths (pooled RR, 0.79; 95% confidence intervals, 0.71–0.89; I 2 =0.0%). A 5% of energy increment in LA intake replacing energy from saturated fat intake was associated with a 9% lower risk of CHD events (RR, 0.91; 95% confidence intervals, 0.87–0.96) and a 13% lower risk of CHD deaths (RR, 0.87; 95% confidence intervals, 0.82–0.94). Conclusions—: In prospective observational studies, dietary LA intake is inversely associated with CHD risk in a dose–response manner. These data provide support for current recommendations to replace saturated fat with polyunsaturated fat for primary prevention of CHD.

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Authors
Farvid, M. S., Ding, M., Pan, A., Sun, Q., Chiuve, S. E., Steffen, L. M., Willett, W. C., & Hu, F. B.
Affiliations
Brigham and Women's Hospital (US)
Venue
Circulation
Published
2014-10-28
Volume
130
Issue
18
Pages
1568-1578
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2127287605
Cited by
567
References
48
Citations by year
2026: 30 · 2025: 36 · 2024: 41 · 2023: 55 · 2022: 40 · 2021: 61 · 2020: 46 · 2019: 51 · 2018: 56 · 2017: 45 · 2016: 53 · 2015: 45 · 2014: 5
FWCI
5.65
Type
journal article
Language
en
Open access
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
Funders
  • National Heart, Lung, and Blood Institute (HL60712, R01HL060712)
  • National Cancer Institute (P01CA055075, UM1CA167552, U01CA167552)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK058845)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Nursing › Nutrition and Dietetics › Nuts composition and effects
Keywords
linoleic acid, dietary fat intake, coronary artery disease, omega-6 fatty acids, saturated fat replacement, polyunsaturated fat, cardiovascular risk, coronary heart disease mortality, dose-response relationship, primary prevention
MeSH terms
Coronary Disease, Dietary Fats, Humans, Prospective Studies, Risk Factors, Linoleic Acid, Observational Studies as Topic

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