期刊
CIRCULATION RESEARCH
卷 124, 期 5, 页码 757-768出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/CIRCRESAHA.118.314038
关键词
cardiovascular diseases; diet; epidemiology; fatty acids; mortality
资金
- National Key Research and Development Program [2017YFC1600500]
- National Natural Science Foundation of China [81773419]
- China National Program for Support of Top-notch Young Professionals
- Intramural Research Program of the National Institutes of Health-National Cancer Institute
Rationale: Evidence linking saturated fat intake with cardiovascular health is controversial. The associations of unsaturated fats with total and cardiovascular disease (CVD) mortality remain inconsistent, and data about nonCVD mortality are limited. Objective: To assess dietary fat intake in relation to total and cause-specific mortality. Methods and Results: We analyzed data of 521 120 participants aged 50 to 71 years from the National Institutes of Health-American Association of Retired Persons Diet and Health Study with 16 years of follow-up. Intakes of saturated fatty acids (SFAs), trans-fatty acids, monounsaturated fatty acids (MUFAs), and polyunsaturated fatty acids (PUFAs) were assessed via food frequency questionnaires. Hazard ratios and 95% CIs were estimated using the Cox proportional hazards model. Overall, 129 328 deaths were documented during 7.3 million person-years of follow-up. In the replacement of carbohydrates, multivariable-adjusted hazard ratios of total mortality comparing extreme quintiles were 1.29 (95% CI, 1.25-1.33) for SFAs, 1.03 (1.00-1.05) for trans-fatty acids, 0.98 (0.94-1.02) for MUFAs, 1.09 (1.06-1.13) for animal MUFAs, 0.94 (0.91-0.97) for plant MUFAs, 0.93 (0.91-0.95) for PUFAs, 0.92 (0.90-0.94) for marine omega-3 PUFAs, 1.06 (1.03-1.09) for a-linolenic acid, 0.88 (0.86-0.91) for linoleic acid, and 1.10 (1.08-1.13) for arachidonic acid. CVD mortality was inversely associated with marine omega-3 PUFA intake (P trend < 0.0001), whereas it was positively associated with SFA, trans-fatty acid, and arachidonic acid intake. Isocalorically replacing 5% of the energy from SFAs with plant MUFAs was associated with 15%, 10%, 11%, and 30% lower total mortality, CVD, cancer, and respiratory disease mortality, respectively. Isocaloric replacement of SFA with linoleic acid (2%) was associated with lower total (8%), CVD (6%), cancer (8%), respiratory disease (11%), and diabetes mellitus (9%) mortality. Conclusions: Intakes of SFAs, trans-fatty acids, animal MUFAs, a-linolenic acid, and arachidonic acid were associated with higher mortality. Dietary intake of marine omega-3 PUFAs and replacing SFAs with plant MUFAs or linoleic acid were associated with lower total, CVD, and certain cause-specific mortality.
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