静止状態とアミルニートリートの投与中に同期したエコーカルディオグラフィのフォノカルディオグラフィの記録は,ミトラル弁の転倒を患っている患者において行われます
Circulation
|March 1, 1975
まとめ
ミトラル弁の転落患者でのこの研究では,左心室の体積が減少すると,左心室の体積が減少すると,シストールの早期に聴覚現象が発生し,早期のミトラル弁の転落と相関することが判明しました. これは,バルブ運動と音の間の時間的な関連性を確認しています.
科学分野:
- 心臓病学 心臓病学
- 心臓生理学 心臓生理学
- 診断用イメージング
背景:
- ミトラ弁の転倒 (MVP) は,心弁の機能に影響を与える状態です.
- MVPにおける聴覚現象のタイミングを理解することは,診断に不可欠です.
研究 の 目的:
- エコーカルディオグラフィのミトラル弁の転落とフォノカルディオグラフィの補助的な現象の間の時間的関係を調査する.
- MVPのタイミングと関連する音に対する左心室の容量の減少の影響を探るため.
主な方法:
- 21人のMVP患者で同時に心電図,心音図,心音図を記録した.
- アミルニトリートは,ミトラル弁の転倒と左心室の容量の変化を評価するために投与されました.
- 患者は,転倒パターン (全静止病と後期静止病) に基づいて分類されました.
主要な成果:
- ホロシストリックMVPを患った患者は,遅刻シストリックMVPを患った患者よりも,休息期末ダイアストリックボリュームが小さかった.
- 遅期のシストリック・プロラップスの聴覚的現象は,エコーカルディオグラフィック・プロラップスの発生後に発生したが,最大プロラップスの発生前に発生した.
- アミルニトリトの投与は,左心室の体積の減少に関連した,前倒しと聴覚現象の早期のシストリック発症につながった.
結論:
- この発見は,ミトラル弁の転落と聴覚現象の発生との間に時間的な関係があることを確認しています.
- 左心室の体積の減少は,アミル窒素酸塩の吸入のような介入の際に,早発の転倒と関連する音の早期発症の説明である可能性が高い.
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