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- I Ahmed, A Majeed, and R Powell.
- Leicester Royal Infirmary, Infirmary Square, Leicester, UK. driftikhar64@doctors.org.uk
- Postgrad Med J. 2007 Sep 1; 83 (983): 575582575-82.
AbstractHeparin-induced thrombocytopenia (HIT) is a potentially devastating immune mediated adverse drug reaction caused by the emergence of antibodies that activate platelets in the presence of heparin. Despite thrombocytopenia, bleeding is rare; rather, HIT is strongly associated with thromboembolic complications involving both the arterial and venous systems. A number of laboratory tests are available to confirm the diagnosis; however, when HIT is clinically suspected, treatment should not be withheld pending the result. Fortunately, therapeutic strategies have been refined, and new and effective therapeutic agents are available. Treatment options are focused on inhibiting thrombin formation or direct thrombin inhibition. Warfarin should not be used until the platelet count has recovered.
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