A patient collects and stores their own blood before surgery and then transfuses it into themselves. Because the blood is not from another person, there is no risk of developing viral infections such as hepatitis or AIDS, or immune disorders such as graft-versus-host disease (GVHD) after the transfusion. This method is particularly used in non-urgent surgical procedures where the amount of blood transfusion can be predicted. There are several types of autologous blood transfusion: (1) blood is collected in advance when the patient's condition is good, stored, and then used during surgery; (2) blood that has been lost during or after surgery is collected, filtered, washed, and then returned to the patient. In 1989, a Ministry of Health, Labor and Welfare committee recommended the promotion of autologous blood transfusion. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
患者が手術前に自分の血液を採取,保存しておき,自分自身に輸血する方法。他人の血液でないため,輸血後に肝炎やエイズなどウイルス感染症や移植片対宿主病 (GVHD) などの免疫疾患を起す危険性はない。緊急性がなく輸血量が予測できる外科手術で特に応用されている。自己血輸血のタイプとしては,(1) 状態がよいときにあらかじめ採取,保存して手術時に使用する方法,(2) 術中,術後に出血した血液を回収したのち,濾過,洗浄して患者に戻す方法などがある。厚生省の検討会は 1989年,自己血輸血の推進などを提言している。
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