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重型β地中海贫血主要表现为慢性血管外溶血，目前较常用的治疗方法是反复输血，尤其高量输血，使血红蛋白Ｈｂ维持在１００ｇ／Ｌ以上［１］。合并感染常加重贫血，但罕见引起急性血管内溶血。β地贫出现血管内溶血较多见于ＡＢＯ或其他血型错型输血的溶血反应，关于β地贫和
Severe β-thalassemia major manifestation of chronic extravascular hemolysis, the current more common treatment is repeated blood transfusions, especially high blood transfusion, hemoglobin Hb maintained at 100g / L or more. Infection often aggravates anemia, but rarely causes acute intravascular hemolysis. β thalassemia appear more common in patients with hemolysis ABO or other hemolytic transfusion hemolytic reaction, on the β thalassemia and