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Wheeless' Textbook of Orthopaedics
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Streptokinase


- Discussion: - converts plasminogen to plasmin, which degrades fibrin and Fibrinogen; - indications: DVT, PE, arterial thrombosis, or embolism; - contraindications: - stroke, intracranial surgery or neoplasm, active bleeding; - need to monitor CBC, DIC panel, and TCT; - Dose: - 250,000 units IV bolus over 30 min, then 100,000 units/hr continuous IV infusion for 24 to 72 hrs; - to minimize hypersensitively, administer 50 mg Benadryl IV or 100 mg hydrocortisone IV before starting therapy; - Monitoring therapy: - TCT 2-4 hrs after starting therapy and then qd; - a good fibrinolytic response is associatted w/ a TCT two-five x control - w/ massive bleeding occur during therapy: - stop SK, transfuse pRBCs - infuse 5 units of Cryoprecipitate (Fibrinogen) until bleeding stops - aminocarproic acid 4 gm IV followed by 1 gm/hr IV until bleeding stops;



Original Text by Clifford R. Wheeless, III, MD.