Thrombocytopenia, antithrombin deficiency and extensive thromboembolism in pregnancy: treatment with low-molecular-weight heparin. 1995

N S Macklon, and I A Greer, and A W Reid, and I D Walker
University Department of Obstetrics and Gynaecology, Glasgow Royal Infirmary, UK.

Pregnancy limits the therapeutic options for managing thrombocytopenia which occurs in 5% of patients on heparin. We describe a case of extensive thromboembolism associated with antithrombin (AT) deficiency complicated by thrombocytopenia which resolved when low-molecular-weight heparin was instituted. A primigravid woman presented at 11 weeks gestation with bilateral femoral occlusive thrombi extending above the renal veins. Investigations revealed AT deficiency, thrombocytopenia and renal infarction. After low-molecular-weight heparin was substituted for unfractionated heparin, the thrombocytopenia resolved and although the pregnancy was lost, the patient made a full recovery.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011249 Pregnancy Complications, Cardiovascular The co-occurrence of pregnancy and a cardiovascular disease. The disease may precede or follow FERTILIZATION and it may or may not have a deleterious effect on the pregnant woman or FETUS. Cardiovascular Pregnancy Complications,Complications, Cardiovascular Pregnancy,Pregnancy, Cardiovascular Complications,Cardiovascular Pregnancy Complication,Complication, Cardiovascular Pregnancy,Pregnancies, Cardiovascular Complications,Pregnancy Complication, Cardiovascular
D005260 Female Females
D005313 Fetal Death Death of the developing young in utero. BIRTH of a dead FETUS is STILLBIRTH. Fetal Mummification,Fetal Demise,Death, Fetal,Deaths, Fetal,Demise, Fetal,Fetal Deaths,Mummification, Fetal
D006493 Heparin A highly acidic mucopolysaccharide formed of equal parts of sulfated D-glucosamine and D-glucuronic acid with sulfaminic bridges. The molecular weight ranges from six to twenty thousand. Heparin occurs in and is obtained from liver, lung, mast cells, etc., of vertebrates. Its function is unknown, but it is used to prevent blood clotting in vivo and vitro, in the form of many different salts. Heparinic Acid,alpha-Heparin,Heparin Sodium,Liquaemin,Sodium Heparin,Unfractionated Heparin,Heparin, Sodium,Heparin, Unfractionated,alpha Heparin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000990 Antithrombin III A plasma alpha 2 glycoprotein that accounts for the major antithrombin activity of normal plasma and also inhibits several other enzymes. It is a member of the serpin superfamily. Heparin Cofactor I,Antithrombin III-Alpha,Atenativ,Heparin Co-Factor I,Kybernin,Serpin C1,Thrombate III,Antithrombin III Alpha,Antithrombin IIIAlpha,Cofactor I, Heparin,Heparin Co Factor I
D013921 Thrombocytopenia A subnormal level of BLOOD PLATELETS. Thrombopenia,Thrombocytopenias,Thrombopenias
D013923 Thromboembolism Obstruction of a blood vessel (embolism) by a blood clot (THROMBUS) in the blood stream. Thromboembolisms

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