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Les oméga 3 diminuent de 15 % les risques de mort cardiaque

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Les oméga 3 diminuent de 15 % les risques de mort cardiaque

Messagepar Nutrimuscle-Conseils » 12 Juin 2012 05:36

Fish consumption, omega-3 fatty acids and risk of heart failure: A meta-analysis

Clinical Nutrition Available online 6 June 2012

While marine omega-3 fatty acids have been associated with a lower mortality in heart failure patients, data on omega-3 and incident heart failure are inconsistent. We systematically reviewed the evidence on the association of omega-3 fatty acids and fish intake with the incidence of heart failure in this meta-analysis.


We identified relevant studies by searching MEDLINE and EMBASE databases up to August 31, 2011 without restrictions and by reviewing reference lists from retrieved articles.


A total of 176,441 subjects and 5480 incident cases of heart failure from 7 prospective studies were included in this analysis. Using random effect model, the pooled relative risk for heart failure comparing the highest to lowest category of fish intake was 0.85 (95% CI; 0.73–0.99), p = 0.04; corresponding value for marine omega-3 fatty acids was 0.86 (0.74–1.00), p = 0.05. There was no evidence for heterogeneity across studies of fish consumption (I2 = 8%). In contrast, there was modest heterogeneity for omega-3 fatty acid analysis (I2 = 44%). Lastly, there was no evidence for publication bias.


This meta-analysis is consistent with a lower risk of heart failure with intake of marine omega-3 fatty acids. These observational findings should be confirmed in a large randomized trial.
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