Background Heparin is an anticoagulant indicated for thromboprophylaxis and to treat thrombosis associated with a variety of conditions such as pulmonary embolism and atrial fibrillation. Unfractionated heparin (UH) is a heterogenous preparation of anionic, sulfated glycosaminoglycan polymers with weights ranging from 3000 to 30,000 Da. It is a naturally occurring anticoagulant released from mast cells. It binds reversibly to antithrombin …
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