スクリーニングの頻度と自発的な呼吸の試験技術:ランダム化臨床試験
Karen E A Burns1,2,3,4, Jessica Wong5, Leena Rizvi2
1Interdepartmental Division of Critical Care, University of Toronto, Toronto, Ontario, Canada.
JAMA
|October 9, 2024
まとめ
最適な呼吸器離乳プロトコルの決定は 極めて重要です 圧力を支える自発呼吸試験 (SBT) を用いたより頻繁なスクリーニングは,重症な成人のエクストゥベーション時間を予想外に延長しました.
科学分野:
- クリティカル ケア 医療
- 呼吸器療法
- 臨床試験
背景:
- 診断頻度や自発呼吸試験 (SBT) のテクニックを含む最適の呼吸器離乳戦略は,重症な成人の場合は不明である.
- 効果的な離乳プロトコルは,機械呼吸器の持続時間を短縮し,患者の結果を改善するために不可欠です.
研究 の 目的:
- エクストゥベーションの成功に対する1日1回のスクリーニングとより頻繁なスクリーニングの影響を比較する
- 圧力を支えるSBTとTピースSBTのテクニックの違いを評価する.
- スクリーニングの頻度とSBTテクニックの組み合わせによる,成功したエクストゥベーションの効果を決定する.
主な方法:
- ランダム化臨床試験を2x2因数式で実施した.
- 呼吸器を24時間以上使った重症な成人を対象とした.
- 参加者は1日1回またはより頻繁なスクリーニングを受け,圧力サポートSBTまたはTピースSBTを受けた.
主要な成果:
- スクリーニングの頻度も,SBTの技術も,それぞれが,成功したエクストゥベーションまでの時間において統計的に有意な差異を示さなかった.
- 予期せぬ相互作用により,圧力を支えるSBTと組み合わせたより頻繁なスクリーニングは,成功するエクストゥベーションまでの時間を大幅に増加させました.
- 試験期間中位はグループによって異なるが,最も頻繁なスクリーニングと圧力サポートSBTグループはより長い期間を経験した.
結論:
- スクリーニングの頻度とSBTのテクニックは,この患者集団におけるエクストゥベーション時間を独立して変化させなかった.
- より頻繁なスクリーニングと圧力を支えるSBTの組み合わせは,成功するエクストゥベーションまでの時間を延ばす可能性があります.
- 離乳プロトコルを精進し,スクリーニングの強度とSBT方法の相互作用を理解するためにさらなる研究が必要です.
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