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DOI: 10.1055/s-2002-36693
Gestational Thrombocytopenia and Pregnancy-Induced Antithrombin Deficiency: Progenitors to the Development of the HELLP Syndrome and Acute Fatty Liver of Pregnancy
Publication History
Publication Date:
21 January 2003 (online)
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ABSTRACT
The syndrome of hemolysis, elevated liver enzymes, and low platelet count (HELLP syndrome) and of acute fatty liver of pregnancy (AFLP) do not have an abrupt onset. Thrombocytopenia or reduced antithrombin activity, or both, seen at presentation do not result from these complications. There are a small number of pregnant women who exhibit a gradual antenatal decline in platelet counts or antithrombin activity, or both, irrespective of the presence or absence of preeclampsia. Those who develop a profound decrease in either platelet counts or antithrombin activity are at an increased risk for developing perinatal aspartate aminotransferase (AST) elevation. Thrombocytopenia or reduced antithrombin activity, or both, precede the onset of these diseases. Therefore, monitoring of platelet counts and antithrombin activity during pregnancy is clinically useful for identifying women at an increased risk of the HELLP syndrome and AFLP. Because women with twin pregnancies are likely to exhibit a decrease in platelet counts or antithrombin activity, or both, compared with women with singleton pregnancies, HELLP syndrome and AFLP are more likely to occur in women with twin pregnancies.
KEYWORD
Gestational thrombocytopenia - liver dysfunction - pregnancy-induced antithrombin deficiency
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