4.6 Article

Altered hemostatic balance and endothelial activation in pregnant women with familial hypercholesterolemia

Journal

THROMBOSIS RESEARCH
Volume 120, Issue 1, Pages 21-27

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.thromres.2006.07.001

Keywords

endothelium; familial hypepercholesterolemia; hemostasis; inflammation; pregnancy

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Introduction: Patients with familial hypercholesterolemia (FH) are prone to premature cardiovascular disease. During pregnancy plasma lipids reach higher absolute values in FH than in healthy women. Pregnancy is associated with activation of coagulation and possibly also of vascular endothelium, which might further increase the risk of cardiovascular disease in FH. However, whether hemostatic and endothelial activation markers are increased in pregnant FH women compared with non-FH pregnancies, is unknown. Materials and methods: Activation markers of hemostasis and endothelium were analyzed in blood samples collected prospectively from 22 heterozygous FH women during pregnancy and compared with those of a reference group of 149 healthy, pregnant women. Results: A procoagulant pattern was detected in both groups, but was more evident among FH women at least partly due to their enhanced thrombin generation, and because tissue factor pathway inhibitor type 1 increased in the reference group only. Furthermore, plasminogen activator inhibitor type 2 antigen increased more in FH than in the reference group. Whereas C-reactive protein, intercellular adhesion marker-1 and E-selectin did not change appreciably, vascular endothelial cell adhesion molecule 1 rose markedly in FH. Conclusion: Increased lipid levels as well as a net procoagulant activity and an enhanced endothelial activation possibly confer additional risks of cardiovascular disease among pregnant FH women. (c) 2006 Elsevier Ltd. All rights resented.

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