特发性血小板减少性紫癜(简称ITP)是一种较常见的出血性疾病。该病是由抗血小板抗体引起血小板破坏增加的自身免疫性疾病。血小板正常寿命为9.9±6天,轻症者血小板寿命可缩短到1～2天,而重症者血小板仪存活40～230分钟。大部分病例经过皮质激素或切脾治疗可获临床缓解,但仍有部分病 Idiopathic thrombocytopenic purpura (referred to as ITP) is a more common hemorrhagic disease. The disease is an autoimmune disease caused by an increase in platelet destruction caused by anti-platelet antibodies. Platelet normal life expectancy of 9.9 ± 6 days, mild cases of platelet life can be shortened to 1 to 2 days, while those with severe platelet survival 40 to 230 minutes. Most cases of corticosteroids or splenectomy treatment can be clinically relieved, but there are still some diseases