血小板是骨髓巨核细胞系统分化的终末细胞,在止、凝血中发挥着重要的作用。血小板减少或血小板功能障碍会引起不同程度的出血,常常影响临床治疗效果,甚至导致患者死亡。对血小板减少或血小板功能障碍的有效治疗措施是输注供者血小板,目前还没有满意的血小板代用品。血小板的来源较其他血液细胞和成分相对困难,且不易保存,易主动活化,导致临 Platelets are the terminal cells of the bone marrow megakaryocyte system, play an important role in the arrest and coagulation. Thrombocytopenia or platelet dysfunction can cause different degrees of bleeding, often affecting the clinical treatment effect, and even lead to death in patients. Effective treatment of thrombocytopenia or platelet dysfunction is the infusion of donor platelets, there is no satisfactory platelet substitutes. The origin of platelets compared to other blood cells and components is relatively difficult, and not easy to save, easy to active activation, leading to