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The 4T score for heparin-induced thrombocytopenia [9] [10] Thrombocytopenia 2 points if the fall in platelet count is >50% of the previous value, AND the lowest count (nadir) is 20–100 × 10 9 /liter 1 point if the fall is 30–50% or the nadir is 10–19 × 10 9 /liter No points if the fall is less than 30% or the nadir is <10 × 10 9 /liter ...
Heparin-induced thrombocytopenia (HIT) is due to an immune system reaction against the anticoagulant drug heparin (or its derivatives). [1] Though it is named for associated low platelet counts, HIT is strongly associated with risk of venous and arterial thrombosis. [19]
This is a shortened version of the fourth chapter of the ICD-9: Diseases of the Blood and Blood-forming Organs. It covers ICD codes 280 to 289. The full chapter can be found on pages 167 to 175 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
Argatroban (as well as the hirudins) is used for heparin-induced thrombocytopenia, a relatively infrequent yet serious complication of heparin treatment that requires anticoagulation (as it increases both arterial and venous thrombosis risk) but not with the causative agent, heparin. [1]
Thrombotic thrombocytopenic purpura (TTP) initially presents with a range of symptoms that may include severe thrombocytopenia (platelet count usually < 30,000/mm³), microangiopathic hemolytic anemia (evidenced by schistocytes in the blood smear), and various clinical signs such as petechiae, purpura, neurologic symptoms, myocardial ischemia ...
Heparin and LMWHs can sometimes be complicated by a decrease in platelet count, a complication known as Heparin-induced thrombocytopenia.13 Two forms have been described: a clinically benign, non-immune and reversible form (Type I) and a rare, more serious immune-mediated form or Type II.
alternative to heparin in those developing heparin-induced thrombocytopenia [41] [24] desirudin: anticoagulant inhibits prothombin injection used with hip replacement [41] [24] eptifiatide: antiplatelet [41] tirofiban: antiplatelet [41] ticlopidine: antiplatelet [41] pentocifylline: antiplatelet [41] diyridamole: anitplatelet [41] cilostazol ...
Other causes of thrombocytopenia which may occur in pregnancy, such as drug induced thrombocytopenia, hereditary thrombocytopenia and pseudothrombocytopenia should also be ruled out. [63] ITP can be difficult to distinguish from gestational thrombocytopenia (which is by far the most common cause of thrombocytopenia in pregnancy). Unlike ITP ...