Data gathered included the total allogeneic transfusion requirement for each patient, preoperatie and postoperatie hemoglobin leels, and operatie time. 收集的數據包括病人需要的同種異體輸血量，術(shù)中術(shù)后的血紅蛋白水平和手術(shù)時(shí)間。
Blood transfusion is required in most patients.The known risks of transfusion reactions and transmissible infection from homologous donor blood transfusions are significant. 大多數病人需輸血，但存在因異體輸血造成輸血反應和傳播感染的危險。
