Clinical trial evidence for the cardioprotective effects of omega-3 fatty acids.

W. S. Harris, W. L. Isley

Research output: Contribution to journalReview article

35 Scopus citations

Abstract

The notion that marine omega (w)-3 fatty acids might have beneficial cardiovascular effects was first suggested by epidemiologic studies in Greenland Inuits published in the late 1970s. These simple observations spawned hundreds of other studies, the confluence of which strongly suggests a true cardioprotective effect of w-3 fatty acids. The strongest confirmation has come from the publication of three randomized clinical trials, all of which reported benefits to patients with preexisting coronary artery disease. The most convincing of these was the Gruppo Italiano per lo Studio della Sopravvivenza nell'Infarto miocardico (GISSI)-Prevezione study, in which 5654 patients with coronary artery disease were randomized to either w-3 fatty acids (850 mg/d) or usual care. After 3.5 years, those taking the w-3 fatty acids had experienced a 20% reduction in overall mortality and a 45% decrease in risk for sudden cardiac death. These findings support the view that relatively small intakes of w-3 fatty acids are indeed cardioprotective, and suggest that they may operate by stabilizing the myocardium itself.

Original languageEnglish (US)
Pages (from-to)174-179
Number of pages6
JournalCurrent atherosclerosis reports
Volume3
Issue number2
DOIs
StatePublished - Mar 2001

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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