トリコスピッド回吐速度は,心動脈中圧よりも肺動脈中圧を反映する
Hazem Lashin1,2, Olusegun Olusanya1, Andrew Smith1
1Adult Critical Care Unit, Barts Heart Centre, St Bartholomew's Hospital, London, UK.
Journal of the Intensive Care Society
|September 2, 2025
まとめ
肺動脈の圧力を推定する非侵襲的なツールとして,三回転速度 (TRV) は有望である. この方法は,侵襲的なモニタリングが実行できない場合に治療を導くのに役立ちます.
科学分野:
- 心臓病科
- クリティカル ケア 医療
- エコーカルディオグラフィー
背景:
- 心臓発作性ショックは 血動力学的に大きな問題です
- 肺動脈の圧力の正確な評価は管理に不可欠です.
- 肺動脈カテーテリゼーションは侵入的であり,常に実行可能ではありません.
研究 の 目的:
- 三回転速度 (TRV) と肺動脈カテーテルによる圧力の相関性を調べる.
- 高血圧に対する非侵襲的代替薬としてのTRVの可能性を評価する.
主な方法:
- 心臓発作性ショックを受けた35人の患者の調査分析.
- エコーカーディオグラフィを用いた三回転速度の測定
- TRVと肺動脈カテーテルによる静脈圧,静脈圧および平均圧の比較
主要な成果:
- TRVは肺動脈平均圧 (r=0. 54, p=0. 0009) と最も強い相関性を示した.
- TRVの値2. 3m/ sは,81%の感度と62%の特異性で,平均肺圧の上昇 (> 25 mmHg) を示した.
- TRVは肺動脈の静脈圧と静脈圧との相関が弱かった.
結論:
- 重症患者の肺圧上昇の重要な非侵襲的指標として機能する.
- 侵入的血液動力学的モニタリングが利用できない場合,TRVは特に有用である.
- より大規模で多様な患者集団でのさらなる検証が必要である.
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