Urokinase is used clinically as a thrombolytic agent in the treatment of severe or massive deep venous thrombosis, pulmonary embolism, myocardial infarction, and occluded intravenous or dialysis cannulas. It is also administered intrapleurally to improve the drainage of complicated pleural effusions and empyemas. Urokinase is a thrombolytic drug in infarction. Urokinase-plasminogen activator may be a new prognostic marker in breast cancer.
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