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Abstract
To clarify whether the inverse relation between habitual fish consumption and cardiovascular
mortality in the Dutch town of Zutphen could be explained by changes in platelet function
or fibrinolysis, 40 healthy elderly men were selected from the Zutphen study population
on the basis of their fish consumption over the last 26 years. In the high-fish group
(n = 25) fish consumption was on average 33 g per person per day; in the low-fish
group (n = 15) it was on average 2 g per person per day. This difference was reflected
by significant differences in the concentrations of timnodonic acid (20: 5n− 3) and cervonic acid (22: 6n − 3) in the serum phospholipids of the participants. Between both groups no significant
differences were observed in cutaneous bleeding time, platelet number, and collagen-induced
platelet aggregation and ATP-release in whole blood. The same holds for the actual
as well as the potential thromboxane B2 formation of activated platelets and for the activity of the plasminogen activator
inhibitor. For most of the platelet-related variables a trend was found for a lower
activity in the high-fish group. Therefore changes in platelet function might not
explain, but may have slightly contributed to the inverse relationship between coronary
heart disease and fish consumption, as observed in Zutphen.
Keywords
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Article info
Publication history
Accepted:
October 3,
1988
Received in revised form:
August 29,
1988
Received:
March 23,
1988
Identification
Copyright
© 1989 Published by Elsevier Inc.