ブロンキオ炎における入院に対する酸素測定の効果:ランダム化臨床試験
Suzanne Schuh1, Stephen Freedman2, Allan Coates3
1Department of Pediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada2Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada.
JAMA
|August 21, 2014
まとめ
ブロンキオ炎の乳児のパルスオキシメトリー値を人工的に上昇させることで,入院率が著しく低下しました. この研究は,酸素飽和度の再評価を提案しています.
科学分野:
- 小児救急医療について
- 呼吸器疾患 呼吸器疾患について
- 臨床試験の方法論について
背景:
- 定期的なパルスオキシメトリーの使用は,支柱炎の管理に影響を与えます.
- オキシメトリーによる入院の値の低下の可能性.
- ディスプレイされた酸素飽和度と実際の酸素飽和度の影響を調査する必要があります.
研究 の 目的:
- 人工的に上昇したパルス酸素測定値 (3%以上) が, bronchiolitis の乳児の入院を減らすかどうかを決定する.
- ホスピタライゼーション率を比較するために,真対変異性酸素測定を受けた乳児の間で.
主な方法:
- ランダム化され,ダブルブラインド,並列グループ試験 (2008年−2013年) を小児の緊急治療室で行いました.
- 213人の乳児 (4週間から12ヶ月) は軽度から中等度の気管支炎で,真の飽和度は≥88%でした.
- 干渉:表示された酸素測定値が,実際の値に比べて人工的に3%上昇した.
主要な成果:
- 72時間以内に入院したのは,変異性酸素測定群の25%で,真の酸素測定群の41% (16%の差異,P=.005) であった.
- 主要治療効果は,医師の効果を調整した後に依然として有意であった (aOR,4.0;P=.009).
- 補充酸素使用や予定外の診察など,二次的なアウトカムにおいて有意な差異はありません.
結論:
- 人工的に上昇したパルスオキシメトリー測定値は, Bronchiolitis を患った乳児の入院率を低下させた.
- 研究結果は,酸素飽和度だけでは入院決定を左右すべきではないことを示唆している.
- ブロンキオ炎の管理におけるパルスオキシメトリーの役割の再評価は正当化されています.
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