Transfusions with erythrocytes must be individually adjusted to a target blood hemoglobin of>4.5 mmol/L in young healthy adults and up to 6.0 mmol/L in elderly patients with ischemic heart disease.

• 红细胞输入必须根据个体情况，正常青年健康成人血红蛋白超过4.；5毫摩尔每升，患有缺血性心脏病的老年病人则应达到6