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接受过同种异体输血的癌症病人术后感染及复发的机会增加，说明临床上这类输血可能伴有明显的免疫调理效果。异体输血增强体液免疫，削弱细胞介导免疫。这种异体输血诱导的免疫调理作用可能涉及细胞因于调节向Ⅱ型免疫反应的转变．在进行髋关节置换或脊椎手术的病人中，异体输
The chances of postoperative infection and recurrence have increased in cancer patients who have received allogeneic blood transfusions, suggesting that such blood transfusions may be accompanied by significant immunoregulatory effects. Allogeneic transfusion enhances humoral immunity and impairs cell-mediated immunity. This allogeneic transfusion-induced immune opsonization may involve a shift in the cell’s response to type II immune responses. In patients undergoing hip replacement or spinal surgery, allogeneic transfusion