手術部位の感染症と一般の外科患者集団における手術前後性高酸素症の日常的な使用:ランダム化制御試験
Kane O Pryor1, Thomas J Fahey, Cynthia A Lien
1Department of Anesthesiology, Weill Medical College of Cornell University, New York, NY 10021, USA. kopryor@yahoo.com
JAMA
|January 8, 2004
まとめ
手術中の通常の高酸素レベルは,手術部位感染 (SSI) を軽減せず,その発生を増加させる可能性があります. 患者の生理学によって導かれた標準的な酸素療法が,SSIを予防するために一般外科の患者に推奨されます.
科学分野:
- アネステシオロジー アネステシオロジー
- 外科腫瘍学外科腫瘍学
- クリティカルケア・メディシン
背景:
- 手術部位感染 (SSI) は,一般外科における大きな懸念事項です.
- 高分数のインスピレーション酸素 (FIO2) は,特定の患者グループで潜在的な利点を示していますが,その日常的な使用は確立されていません.
研究 の 目的:
- 術後の期間に定期的に高FIO2を投与することで,一般外科患者のSSI発生率に影響があるかどうかを調査する.
主な方法:
- 165人の患者が重度の腹内外科手術を受け,ダブルブラインドでランダム化比較試験を実施した.
- 患者は,手術中および手術後の2時間,80%の酸素 (FIO2 0.80) または35%の酸素 (FIO2 0.35) を受けた.
- SSIは,臨床評価,管理の変更,および特定の基準によって定義された14日以内に評価されました.
主要な成果:
- 高 FIO2 群 (25.0%) のSSIの発生率は,標準群 (11.3%;P =.02) に比べて有意に高かった.
- 高FIO2 (0.80) は,SSIの有意な予測因子として特定されました.
- SSIの患者はより長い入院期間 (13.3日 vs 6.0日; P<.001) を経験しました.
結論:
- 通常の手術前高FIO2は,一般外科におけるSSI率を低下させず,有害である可能性があります.
- 酸素の投与は,一般的な外科手術の患者の心臓呼吸器官の生理学を優先すべきである.
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