再生障碍性贫血(下简称再障)的特征是全血细胞减少和骨髓造血细胞减少。本病的病情及预后多种多样,特别是对确诊后6个月以内、可能死亡的极重症型,决定其治疗方针十分重要。最近,对这类重症型,采用骨髓移植术已成为非常有效的方法,长期生存率可达60～80%。一、历史和现状人的骨髓移植始于1939年,Osgood等曾对再障患者静注健康人的骨髓细胞。此后,又 Aplastic anemia (hereinafter referred to as aplastic anemia) is characterized by pancytopenia and bone marrow hematopoietic reduction. The disease’s condition and prognosis varied, especially for the diagnosis of less than 6 months, may be extremely severe type of death, determine the treatment guidelines are very important. Recently, bone marrow transplantation has become a very effective method for this type of severe disease with a long-term survival of 60-80%. First, the history and status of human bone marrow transplantation began in 1939, Osgood et al had aplastic anemia in patients with intravenous injection of bone marrow cells in healthy people. After that, again