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n-3 Fatty acids, cardiac arrhythmia and fatal coronary heart disease.
Prog Lipid Res. 2006 Jul; 45(4):357-67.PL

Abstract

n-3 Polyunsaturated fatty acids (n-3 PUFA) are suggested to prevent cardiac death via inhibition of cardiac arrhythmia. In this review we discuss the results of human studies on intake of n-3 PUFAs and heart disease and, more specifically, on cardiac arrhythmia. Observational studies indicate that intake of fish is associated with a lower incidence of fatal coronary heart disease in several populations. These studies are fairly consistent, but people that have a high intake of fatty fish might have a healthier lifestyle in general, and such confounding is difficult to remove completely with statistical adjustments and corrections. Evidence from trials is less clear. In two open label trials in patients with a previous myocardial infarction intake of fish or fish oil prevented fatal coronary heart disease. In contrast, a trial in patients with angina suggested a higher risk of sudden cardiac death in patients taking fish oil. Furthermore, results of trials in patients with an implantable cardioverter defibrillator (ICD) that investigated effects of fish oil on arrhythmia in patients already suffering from ventricular tachycardia are not consistent. Also, studies on relationships between intake of n-3 PUFA from fish and less life-threatening forms of arrhythmia, such as atrial fibrillation and premature ventricular complexes (PVCs) are equivocal. Thus, after 35 years of research the question whether fish prevents heart disease remains unanswered, and an anti-arrhythmic effect of fish oil remains unproven although the idea is still viable and is being actively tested in further trials.

Authors+Show Affiliations

Wageningen Centre for Food Sciences and Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands. Ingeborg.Brouwer@wur.nlNo affiliation info availableNo affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

16678270

Citation

Brouwer, Ingeborg A., et al. "N-3 Fatty Acids, Cardiac Arrhythmia and Fatal Coronary Heart Disease." Progress in Lipid Research, vol. 45, no. 4, 2006, pp. 357-67.
Brouwer IA, Geelen A, Katan MB. N-3 Fatty acids, cardiac arrhythmia and fatal coronary heart disease. Prog Lipid Res. 2006;45(4):357-67.
Brouwer, I. A., Geelen, A., & Katan, M. B. (2006). N-3 Fatty acids, cardiac arrhythmia and fatal coronary heart disease. Progress in Lipid Research, 45(4), 357-67.
Brouwer IA, Geelen A, Katan MB. N-3 Fatty Acids, Cardiac Arrhythmia and Fatal Coronary Heart Disease. Prog Lipid Res. 2006;45(4):357-67. PubMed PMID: 16678270.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - n-3 Fatty acids, cardiac arrhythmia and fatal coronary heart disease. AU - Brouwer,Ingeborg A, AU - Geelen,Anouk, AU - Katan,Martijn B, Y1 - 2006/04/18/ PY - 2005/11/30/received PY - 2006/01/06/revised PY - 2006/02/21/accepted PY - 2006/5/9/pubmed PY - 2007/3/30/medline PY - 2006/5/9/entrez SP - 357 EP - 67 JF - Progress in lipid research JO - Prog. Lipid Res. VL - 45 IS - 4 N2 - n-3 Polyunsaturated fatty acids (n-3 PUFA) are suggested to prevent cardiac death via inhibition of cardiac arrhythmia. In this review we discuss the results of human studies on intake of n-3 PUFAs and heart disease and, more specifically, on cardiac arrhythmia. Observational studies indicate that intake of fish is associated with a lower incidence of fatal coronary heart disease in several populations. These studies are fairly consistent, but people that have a high intake of fatty fish might have a healthier lifestyle in general, and such confounding is difficult to remove completely with statistical adjustments and corrections. Evidence from trials is less clear. In two open label trials in patients with a previous myocardial infarction intake of fish or fish oil prevented fatal coronary heart disease. In contrast, a trial in patients with angina suggested a higher risk of sudden cardiac death in patients taking fish oil. Furthermore, results of trials in patients with an implantable cardioverter defibrillator (ICD) that investigated effects of fish oil on arrhythmia in patients already suffering from ventricular tachycardia are not consistent. Also, studies on relationships between intake of n-3 PUFA from fish and less life-threatening forms of arrhythmia, such as atrial fibrillation and premature ventricular complexes (PVCs) are equivocal. Thus, after 35 years of research the question whether fish prevents heart disease remains unanswered, and an anti-arrhythmic effect of fish oil remains unproven although the idea is still viable and is being actively tested in further trials. SN - 0163-7827 UR - https://www.unboundmedicine.com/medline/citation/16678270/n_3_Fatty_acids_cardiac_arrhythmia_and_fatal_coronary_heart_disease_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0163-7827(06)00018-X DB - PRIME DP - Unbound Medicine ER -