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Abstract
The effect of a fatty meal (100 g of fat) on platelet function is evaluated. Two hours
after the fat intake (dairy cream) there is a significant reduction in the initial
stages of platelet activation by collagen (1 and 0.5 μg/ml) as measured by a new analytical
method, the BASIC wave, and by the decrease in the β-Thromboglobulin released by stimulated
platelets. This effect is greater in platelet rich plasma (PRP) than in whole blood.
Red blood cells (RBC) have a potentiating effect on platelet activation by collagen
both before and after the fat intake which is indicated by an increase in the BASIC
wave intensity. No significant differences were found, however, in platelet aggregation
in PRP or whole blood evaluated by impedance aggregometry.
These results suggest that the increase of chylomicrons after fat intake has an inhibitory
effect on platelet activation but does not modify platelet aggregation. In addition,
it seems that lipaemia does not modify RBC interactions with platelets in collagen
stimulated samples.
Keywords
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Article info
Publication history
Accepted:
October 23,
1987
Received in revised form:
June 15,
1987
Received:
January 19,
1987
Identification
Copyright
© 1987 Published by Elsevier Inc.