Because of the deficiency of blood supply, fear of allogeneic blood transfusion and recognition of transfusion criteria, blood conservation strategies to minimize allogeneic blood use become clinical important programe.
由于血源的紧张,对异体输血的恐惧,及对输血指征的重新认识,围术期采取综合血液保护措施,节约用血成为临床重要课题。