AABB の 臨床 実践 ガイドライン: 赤血球 輸血 値 と 貯蔵
Jeffrey L Carson1, Gordon Guyatt2, Nancy M Heddle3
1Division of General Internal Medicine, Rutgers Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey.
JAMA
|October 13, 2016
まとめ
赤血球 (RBC) 輸血の制限値は,ほとんどの入院成人にとって安全です. 標準的な赤血球単位は,保存期間に関係なく,新鮮な単位よりも輸血のために推奨されます.
科学分野:
- 輸血 医学
- 血液学
- 臨床ガイドライン
背景:
- 赤い 血球 (RBC) の 量 は,毎年 世界 中 で 1 億 単位 以上 採取 さ れ て い ます.
- 赤血球の輸血と貯蔵期間に関する最適なヘモグロビン値については,不確実性があります.
研究 の 目的:
- 安定した入院成人における赤血球輸血のための目標ヘモグロビンレベルを推奨する.
- 輸血の前に赤血球の最適な保存期間を決定する.
主な方法:
- 1948年から2016年のランダム化臨床試験 (RCT) の体系的な文献検索.
- 証拠の要約に使用された評価,開発,評価 (GRADE) 方法論の格付け.
- 輸血値に関する31件のRCTと貯蔵期間に関する13件のRCTの分析
主要な成果:
- 制限された赤血球輸血値 (7 - 8 g/ dL ヘモグロビン) は,リベラルな値 (9 - 10 g/ dL) と比較して有害な臨床結果の増加と関連しませんでした.
- 新鮮な赤血球単位 (貯蔵10日未満) と標準的な赤血球単位は,臨床結果において有意な差異は見られなかった.
- 推薦は,急性冠動脈症候群,重度の血小板減少,および慢性輸血依存性貧血を除く,安定した入院成人に適用されます.
結論:
- 赤血球輸血の制限値は,大部分の血液動力学的に安定した入院患者にとって安全で有効です.
- 標準血液 (許可された年代測定期間内の任意の時点) を使用する現在の血液バンク慣行は継続されるべきです.
- 赤血球 輸血 の 慣行 に 関する 更新 さ れ た ガイドライン を 支持 する 証拠
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