Abstract
Studies of Greenland Eskimos showed that a very high intake of marine n−3 fatty acids markedly inhibited platelet reactivity and suggested that intake of these fatty acids might prevent coronary thrombosis. Later studies with lower, more practical doses of n−3 fatty acids also have shown a platelet inhibitory effect of n−3 fatty acids, albeit fairly marginal. Furthermore, n−3 fatty acids have little effect on measures of blood coagulability and may slightly decrease fibrinolysis. In animal models, n−3 fatty acids often have been shown to inhibit thrombosis, but again the doses have tended to be very high. Finally, there has been little effect of (low-dose) n−3 fatty acids in clinical trials in humans on the incidence of myocardial infarction. Overall, there is little evidence for a major antithrombotic effect of practical doses of n−3 fatty acids on coronary thrombosis. This does not exclude a beneficial effect of n−3 fatty acids on coronary heart disease as suggested from clinical trials, but the major effect may be antiarrhythmic rather than antithrombotic.
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Abbreviations
- AA:
-
arachidonic acid
- DART:
-
diet and reinfarction trial
- DHA:
-
docosahexaenoic acid
- EPA:
-
eicosapentaenoic acid
- IHD:
-
ischemic heart disease
- MI:
-
myocardial infarction
- PG:
-
prostaglandin
- PUFA:
-
polyunsaturated fatty acids
- TX:
-
thromboxane
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Kristensen, S.D., Bach Iversen, A.M. & Schmidt, E.B. n−3 polyunsaturated fatty acids and coronary thrombosis. Lipids 36 (Suppl 1), S79–S82 (2001). https://doi.org/10.1007/s11745-001-0686-8
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DOI: https://doi.org/10.1007/s11745-001-0686-8