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Dietary fats and dietary cholesterol and risk of stroke in women.
Atherosclerosis 2012; 221(1):282-6A

Abstract

BACKGROUND

Whether intakes of dietary fat and cholesterol are associated with risk of stroke remain unclear. We examined the associations between intakes of total fat, specific types of fat, and cholesterol and risk of stroke in a prospective cohort of women.

METHODS

The study population consisted of 34,670 women, aged 49-83 years, in the Swedish Mammography Cohort who were free of cardiovascular disease and completed a food-frequency questionnaire in 1997. Cox proportional hazard regression models were used to estimate relative risks (RR) with 95% confidence intervals (CI).

RESULTS

During a mean follow-up of 10.4 years, we ascertained 1680 stroke events, including 1310 cerebral infarctions, 233 hemorrhagic strokes, and 137 unspecified strokes. After adjustment for other stroke risk factors, intake of long-chain omega-3 polyunsaturated fatty acids (PUFA) was inversely associated with risk of total stroke. The multivariable RR of total stroke for the highest compared with the lowest quintile of long-chain omega-3 PUFA intake was 0.84 (95% CI, 0.72-0.99; P for trend=0.04). Dietary cholesterol was positively associated with risk of total stroke (highest versus lowest quintile: RR=1.20; 95% CI, 1.00-1.44; P for trend=0.01) and cerebral infarction (corresponding RR=1.29; 95% CI, 1.05-1.58; P for trend=0.004). Total fat, saturated fat, monounsaturated fat, polyunsaturated fat, α-linolenic acid, and omega-6 PUFA intakes were not associated with stroke.

CONCLUSIONS

These findings suggest that intake of long-chain omega-3 PUFAs is inversely associated with risk of stroke, whereas dietary cholesterol is positively associated with risk.

Authors+Show Affiliations

Division of Nutritional Epidemiology, National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden. susanna.larsson@ki.seNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22265275

Citation

Larsson, Susanna C., et al. "Dietary Fats and Dietary Cholesterol and Risk of Stroke in Women." Atherosclerosis, vol. 221, no. 1, 2012, pp. 282-6.
Larsson SC, Virtamo J, Wolk A. Dietary fats and dietary cholesterol and risk of stroke in women. Atherosclerosis. 2012;221(1):282-6.
Larsson, S. C., Virtamo, J., & Wolk, A. (2012). Dietary fats and dietary cholesterol and risk of stroke in women. Atherosclerosis, 221(1), pp. 282-6. doi:10.1016/j.atherosclerosis.2011.12.043.
Larsson SC, Virtamo J, Wolk A. Dietary Fats and Dietary Cholesterol and Risk of Stroke in Women. Atherosclerosis. 2012;221(1):282-6. PubMed PMID: 22265275.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dietary fats and dietary cholesterol and risk of stroke in women. AU - Larsson,Susanna C, AU - Virtamo,Jarmo, AU - Wolk,Alicja, Y1 - 2012/01/08/ PY - 2011/09/23/received PY - 2011/12/21/revised PY - 2011/12/31/accepted PY - 2012/1/24/entrez PY - 2012/1/24/pubmed PY - 2012/6/13/medline SP - 282 EP - 6 JF - Atherosclerosis JO - Atherosclerosis VL - 221 IS - 1 N2 - BACKGROUND: Whether intakes of dietary fat and cholesterol are associated with risk of stroke remain unclear. We examined the associations between intakes of total fat, specific types of fat, and cholesterol and risk of stroke in a prospective cohort of women. METHODS: The study population consisted of 34,670 women, aged 49-83 years, in the Swedish Mammography Cohort who were free of cardiovascular disease and completed a food-frequency questionnaire in 1997. Cox proportional hazard regression models were used to estimate relative risks (RR) with 95% confidence intervals (CI). RESULTS: During a mean follow-up of 10.4 years, we ascertained 1680 stroke events, including 1310 cerebral infarctions, 233 hemorrhagic strokes, and 137 unspecified strokes. After adjustment for other stroke risk factors, intake of long-chain omega-3 polyunsaturated fatty acids (PUFA) was inversely associated with risk of total stroke. The multivariable RR of total stroke for the highest compared with the lowest quintile of long-chain omega-3 PUFA intake was 0.84 (95% CI, 0.72-0.99; P for trend=0.04). Dietary cholesterol was positively associated with risk of total stroke (highest versus lowest quintile: RR=1.20; 95% CI, 1.00-1.44; P for trend=0.01) and cerebral infarction (corresponding RR=1.29; 95% CI, 1.05-1.58; P for trend=0.004). Total fat, saturated fat, monounsaturated fat, polyunsaturated fat, α-linolenic acid, and omega-6 PUFA intakes were not associated with stroke. CONCLUSIONS: These findings suggest that intake of long-chain omega-3 PUFAs is inversely associated with risk of stroke, whereas dietary cholesterol is positively associated with risk. SN - 1879-1484 UR - https://www.unboundmedicine.com/medline/citation/22265275/Dietary_fats_and_dietary_cholesterol_and_risk_of_stroke_in_women_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0021-9150(12)00003-2 DB - PRIME DP - Unbound Medicine ER -