慢性特发性血小板减少性紫癜(ITP)是一种自身免疫性疾病,由致血小板(Plt)减少的一种自身免疫反应引起,其特征是Plt数降低,患者面临出血高风险,往往导致患者小血管出血,症状为皮肤瘀斑、鼻出血和牙龈出血,严重者可出现致命性胃肠道和脑内出血。目前治疗ITP的主要手段是使用免疫抑制类药物,如皮质类固醇、静注免疫球蛋白、抗D Chronic idiopathic thrombocytopenic purpura (ITP) is an autoimmune disease caused by an autoimmune response that decreases platelets (Plt) and is characterized by a reduced Plt count and patients at high risk of bleeding, often resulting in patients Small blood vessels bleeding, the symptoms of skin ecchymosis, bleeding nose and bleeding gums, severe cases of fatal gastrointestinal and intracerebral hemorrhage may occur. The current treatment of ITP is the use of immunosuppressive drugs such as corticosteroids, intravenous immunoglobulin, anti-D