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早期セプシス治療の目標として,乳酸クリアランス対中枢静脈酸素飽和度:ランダム化臨床試験
Alan E Jones1, Nathan I Shapiro, Stephen Trzeciak
1Department of Emergency Medicine, 1000 Blythe Blvd, Carolinas Medical Center, Charlotte, NC 28203, USA.
JAMA
|February 25, 2010
まとめ
乳酸クリアランスと中央静脈の酸素飽和度 (ScvO2) は,早期のセプシス蘇生において同様の有効性を示したが,病院での死亡率は2つのアプローチの間で有意な差異はなかった.
科学分野:
- クリティカルケア・メディシン
- 緊急医療 緊急医療
- セプシス 病理生理学 セプシス病理生理学
背景:
- 重度のセプシスとセプティックショックに対する目標指向の蘇生は,緊急治療室での死亡率を減らすことができます.
- 早期セプシスの蘇生プロトコルは,患者のアウトカムを改善することを目的としています.
研究 の 目的:
- 早期のセプシス蘇生のためのターゲットとして,中枢静脈の酸素飽和度 (ScvO2) と対照的に乳酸クリアランスの非劣等性を比較する.
- 病院内死亡率に対するこれらの蘇生戦略の影響を評価する.
主な方法:
- 多中心のランダム化非劣等性試験では,重度のセプシスまたはセプティックショックを有する300人の患者が参加しました.
- 患者は,血動力学的目標と並行して,ScvO2 (≥70%) または乳酸クリアランス (≥10%) をターゲットとした蘇生プロトコルに割り当てられました.
- 主なアウトカムは入院死亡率であり,乳酸クリアランスの非劣等性の値が-10%であった.
主要な成果:
- 病院での死亡率は,ScvO2群では23%,乳酸クリアランス群では17%でした.
- 観察された死亡率の差は,事前に定義された非劣等性の値に達しなかった.
- 2つの蘇生戦略の間で有害事象の有意な違いは認められなかった.
結論:
- セプティックショック患者では,乳酸クリアランスを正常化させることで,血液動力学的パラメータも管理された場合,ScvO2を正常化させることに比べて,入院時の死亡率の減少に有意な違いはなかった.
- 乳酸クリアランスとScvO2誘導蘇生は,早期の敗血症管理の有効な選択肢であるようです.
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