異常なスピロメトリーと正常なスピロメトリーを区別するための自発的な呼吸止めテストの診断の正確性: 2つのゲート研究
Gustavo Périssé Moreira Veras1, Amanda Périssé Maia Veras2, Thiago Prudente Bartholo1
1Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Brazilian journal of anesthesiology (Elsevier)
|February 13, 2026
まとめ
ボランタリー・ブレスホールド・テスト (VBHT) は,異常な肺機能を特定する能力が中等から良好であることを示し,スピロメトリー前に迅速で低コストのトリアージツールとして機能します. 最大自発性無呼吸呼吸時間 (MVAIT) と呼吸時間 (MVAET) は,異常なスピロメトリー結果から正常なものを区別するのに役立ちます.
科学分野:
- 肺内医学 肺内医学 肺内医学
- 診断の精度 診断の精度
- 生理学的テスト
背景:
- ボランティア呼吸止めテスト (Voluntary Breath-Hold Test,VBHT) は,自発的な呼吸止めの持続時間に関する簡単なベッドサイド評価です.
- VBHTは,特にスピロメトリーの前に,臨床的トリアージツールとして潜在的な可能性を秘めています.
- 非胸部外科手術前の異常な肺機能の検出におけるその正確性は確立されていません.
研究 の 目的:
- VBHTの結果 (MVAITとMVAET) とスピロメトリーとの相関を決定する.
- MVAITとMVAETの診断精度を評価し,正常と異常のスピロメトリーを区別する.
- 肺機能評価のための予備トリアージツールとしてのVBHTの有用性を評価する.
主な方法:
- 正常なおよび異常なスピロメトリーを持つ成人を含む診断精度試験.
- 参加者は,正常および異常のスピロメトリーグループに分類されました.
- 最大自発性無呼吸呼吸時間 (MVAIT) と呼吸時間 (MVAET) を測定し,ROC曲線解析を使用して分析した.
主要な成果:
- 293人の参加者が含まれており,MVAITとMVAETは異常なスピロメトリー群で有意に低かった.
- 平均MVAIT: 29.32s (異常) vs 47.55s (正常) でした.
- 平均MVAET: 20.40s (異常) vs. 28.53s (正常) でした.
- 正常なスピロメトリーを予測するには,MVAIT ≥ 45.49s (90.43%の感度, 55.06%の特異性) とMVAET ≥ 32.86s (90.43%の感度, 33.71%の特異性).
結論:
- VBHTは,異常なスピロメトリーに対する中等から良好な識別能力を持つ,安全で低コストのベッドサイド法です.
- VBHTは,正式なスピロメトリーの前に,迅速な予備トリアージツールとして機能することができます.
- 術前集団における外部検証は推奨されます.
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