Ehrlich首先描述再生障碍性贫血(再障)的概念。Chauffard命名为再障。再障是一种预后不良的严重疾病。Williams报导再障101例,5年内死亡72例(71%)。堀田知光等氏分析再障137例;于发病后6个月内死亡46例(42.4%),6个月～5年内死亡33例(24%),生存5年以上者58例(42.7%),国内吕氏随访1年再障27例,基本治愈51.6%,缓解19%,明显进步7.4%,无变化11%,死亡11%。再障死亡的主要原因为感染与出血。再障是多种病因引起的造血功能衰竭综合征,虽 Ehrlich first described the concept of aplastic anemia (aplastic anemia). Chauffard named aplastic anemia. Aplastic anemia is a serious disease with poor prognosis. Williams reported 101 cases of aplastic anemia and 72 deaths (71%) within 5 years. Forty-six cases (42.4%) died within 6 months after onset, 33 (24%) died within 6 months to 5 years and 58 (42.7%) survived more than 5 years ), Followed up in the country one year 27 cases of aplastic aneurysm, the basic cure 51.6%, ease 19%, significantly improved 7.4%, no change 11%, 11% death. The main cause of aplastic anemia is infection and bleeding. Aplastic anemia is caused by a variety of causes of hematopoietic failure syndrome, though