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Coagulation status and complications of pregnancy

Coagulation status and complications of pregnancy

Thrombosis Research 115(6): 461-467

There is much interest in the relationship between coagulation status and complications of pregnancy. The thrombelastograph (TEG) has been proposed as a useful, inexpensive tool to screen for patients with hypercoagulable states. We investigated 588 unselected pregnant women at booking, obtaining blood samples for TEG and thrombophilia investigation. Pregnancy outcome data was recorded. We found significant correlations between TEG parameters and the Prothrombin time (PT) and Activated Partial Thromboplastin time (APTT) (p<0.01) and with plasma Antithrombin level (p<0.01). There was no correlation between TEG and other thrombophilic defects (protein C, protein S, Factor V Leiden mutation, Prothrombin G20210A mutation, MTHFR C677T mutation and Lupus Anticoagulant). There was a significant association of TEG parameters with mid-trimester loss (MTL) but not with other adverse pregnancy outcomes. The correlation between TEG and PT, APTT and antithrombin level supports its value in providing a global measure of haemostasis. Coagulation status at booking is associated with increased risk of MTL but not with complications occurring later in pregnancy.

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Accession: 048568045

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PMID: 15792676

DOI: 10.1016/j.thromres.2004.09.019

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