PLAT and Thromboembolism: Thrombolytic agents in clinical use are Plasminogen activators (PAs) to treat thromboembolism, including streptokinase (SK), urokinase (UK), alteplase (RT-PA), tissue plasminogen activator (tPA) and tenepase (TNK-TPA), etc. UK is an effective thrombolytic drug that has a low price and is widely used in primary hospitals [3].