Did you know that heparin, one of the most commonly used anticoagulants in hospitals, can, in some cases, trigger a serious, life-threatening immune reaction in certain patients?
Yes, this complication is known as heparin-induced thrombocytopenia (HIT), and it occurs when antibodies to heparin activate platelets, leading to clots throughout the circulatory system, dramatically lowering platelet counts, and increasing the risk of bleeding. Complications of HIT include deep vein thrombosis, pulmonary embolism, stroke, myocardial infarction, amputation, and death, with mortality rates for HIT exceeding 20% in some studies. In the United States, an estimated 10,000 cases of Heparin-induced thrombocytopenia occur each year.
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