Antithrombin Deficiency / Disease

Diseases & Conditions

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Antithrombin Deficiency

Synonyms of Antithrombin Deficiency

AT 3
AT III Deficiency
Thrombophilia, Hereditary, Due to AT III

Disorder Subdivisions

Antithrombin III Deficiency, Classical (Type I)
AT III Variant IA
AT III Variant Ib

General Discussion
Antithrombin deficiency is a blood disorder characterized by the tendency to form clots in the arteries and/or veins (thrombosis). An inherited tendency to thrombosis is known as thrombophilia. Antithrombin is a substance in the blood that limits the blood's ability to clot (coagulation). In people with congenital antithrombin deficiency, there is usually a reduced amount of this substance in the blood due to a genetic abnormality. Antithrombin deficiency may also be acquired; in such cases, the disorder may be reversible with treatment.

Organizations related to Antithrombin Deficiency

American Liver Foundation
75 Maiden Lane
New York NY 10038
Phone #: 212-668-1000
800 #: 800-465-4837
e-mail: info@liverfoundation.org
Home page: http://www.liverfoundation.org
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains NY 10605
Phone #: 914-428-7100
800 #: 888-663-4637
e-mail: Askus@marchofdimes.com
Home page: http://www.marchofdimes.com
NIH/National Heart, Lung and Blood Institute
31 Center Drive MSC 2480
Bethesda MD 20892-2480
Phone #: 301-592-8573
800 #: --
e-mail: nhlbiinfo@rover.nhlbi.nih.gov
Home page: http://www.nhlbi.nih.gov/
National Alliance for Thrombosis and Thrombophilia
120 White Plains Road
Tarrytown NY 10591
Phone #: 914-220-5040
800 #: 877-466-2568
e-mail: info@stoptheclot.org
Home page: http://stoptheclot.org/index.htm

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html