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Pleural effusionは,右心室のダイアストリック崩壊の原因として挙げられる

K Vaska¹, L S Wann, K Sagar

¹Department of Medicine, Bowman Gray School of Medicine, Winston-Salem, NC 27157-1045.

|August 1, 1992

まとめ

大量の膜出血は,右心室のダイアストリック崩壊 (RVDC) を引き起こすことによって,心臓タンポネードを模倣することができます. この研究では,RVDCは,胸腔出血で起こり,誤診と心臓タンポネードの誤った治療につながる可能性があることが示されています.

科学分野:

心臓病学心臓病学
クリティカルケア・メディシン
診断用イメージング

背景:

右心室ダイアストリック崩壊 (RVDC) は,心臓タンポネードのための非侵襲的なエコーカルディオグラフィックマーカーです.
大量の双方の膜出血は,心内圧力を上昇させる可能性があります.
これは,心臓タンポネードの誤った陽性診断につながる可能性があります.

研究の目的:

RVDC.を誘発できるかどうかを調査する.
胸腔出血からのRVDCが心臓タンポネードを模倣するかどうかを判断する.
胸膜流出と心周流出によって引き起こされるRVDCを区別するために.

主な方法:

7匹の犬に,血液動力学的パラメータを測定する器具を装備した.
RVDCは,塩素を循環器内,そして胸腔の空間に注入することによって誘発された.
RVDC発症をモニターする二次元エコーカルディオグラフィー.

主要な成果:

RVDCは,両方の出血型において,類似した心内圧および右心房圧で発生した.
RVDCの発症は,循環器の吐き出しと胸膜の吐き出しとのインスピレーションの間に発生しました.
Pleural effusionsは,心臓の出力と大動脈の圧力を,心周出血よりも良く保ちました.

結論:

大量の双方の膜出血は,心内圧を上昇させ,RVDCを引き起こす可能性があります.
この発見は,心臓タンポネードの偽陽性診断につながる可能性があります.
誤った診断は,不適切な治療介入につながる可能性があります.

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