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Autologous blood donation

机译：自体献血

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Although preoperative autologous blood donation is employed in elective surgery, this is declining because of the increasingly safe allogeneic blood supply. However, it continues to be used because of the public's perception of allogeneic blood risks and increasing blood shortages. Patients may donate a unit of blood (450 ± 45 ml) as often as twice weekly, up to 72 hours before surgery. Preoperative autologous blood is most beneficial in procedures that cause significant blood loss. It has been determined that preoperative autologous blood donation is poorly cost-effective; the use of this procedure must be based on evidence that it is safe and of value for the patient.Keywords: autologous blood donation, blood transfusion, elective surgery
机译：尽管术前采用自体术前无偿献血，但由于同种异体血液供应越来越安全，这一情况正在下降。但是，由于公众对同种异体血液的风险和血液短缺的日益增加的认识，它继续被使用。患者可以每周两次（在手术前最多72小时）捐血一次（450±45 ml）。术前自体血在引起大量失血的手术中最有益。已经确定，术前自体献血的成本效益很差。该方法的使用必须基于对患者安全且有价值的证据。关键词：自体献血，输血，择期手术

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