Platelet sensitivity to prostaglandin E1 inhibition is reduced in pre-eclampsia but not in nonproteinuric gestational hypertension

British Journal of Obstetrics and Gynaecology
P J TorresA Ordinas

Abstract

Platelet aggregometry was used to discriminate platelet sensitivity to prostaglandin E1 (PGE1) inhibition, to evaluate whether platelet behaviour in pre-eclamptic women was different in this respect than from that in nonproteinuric hypertensive women. The amount of PGE1 required to inhibit in vitro platelet aggregation induced by arachidonic acid was determined in samples from 60 women: 20 nonpregnant controls, 20 women with normal pregnancies, 10 women with gestational hypertension and 10 with pre-eclampsia. The response to arachidonic acid was similar among the four groups. Amounts of PGE1 necessary to inhibit platelet aggregation were significantly higher in normal pregnant women compared with nonpregnant controls (P<0.001). Platelets from pre-eclamptic women required significantly higher concentrations of PGE1 to inhibit aggregation than the other groups studied (P<0.001). However, there was no significant difference between normal and nonproteinuric hypertensive pregnant women. Our findings support the notion that increased platelet reactivity during late pregnancy is exacerbated in pre-eclamptic women but not in nonproteinuric hypertensive women. This is in agreement with the hypothesis that pre-eclampsia and gestational ...Continue Reading

References

Feb 1, 1992·American Journal of Obstetrics and Gynecology·V C BallegeerA M Criel
Dec 1, 1991·British Journal of Obstetrics and Gynaecology·K A LoudenE M Symonds
Jul 1, 1991·American Heart Journal·A Ordinas
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Aug 16, 1990·The New England Journal of Medicine·C W Redman
Mar 1, 1984·Prostaglandins, Leukotrienes, and Medicine·R C BrielT H Lippert

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Citations

Mar 30, 2013·Biology of Sex Differences·Virginia M MillerWalter A Rocca
May 28, 2010·Clinical and Experimental Hypertension : CHE·Masoumeh SimbarEbrahim Kouchaki
Sep 17, 2014·Archives of Gynecology and Obstetrics·Senka Sabolovic RudmanDorotea Muck-Seler
Dec 4, 2014·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Albe C Swanepoel, Etheresia Pretorius
Nov 1, 1996·Alcoholism, Clinical and Experimental Research·C L RandallJ L Cook
Sep 30, 2010·Platelets·Marie-Cecile ValeraBernard Payrastre

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