動脈動脈圧を半減する. ミトラル弁の穴の面積の測定
1Department of Cardiology, Division of Medicine, City of Hope Medical Center, Duarte, California, USA.
Circulation
|July 1, 1968
まとめ
心臓キャセテリゼーション中に測定された半減期間のダイアストリック圧力は,真髄狭窄症の重さを効果的に評価します. この方法は,ミトラル弁の閉塞を評価するために,運動テストの信頼性の高い代替案を提供します.
科学分野:
- 心臓病学 心臓病学
- 心血管生理学 心血管の生理学
背景:
- 側頭管狭窄症の診断は,侵襲的または非侵襲的方法に依存しています.
- ミトラス狭窄症の重度の正確な評価は,患者の管理に不可欠です.
研究 の 目的:
- 交頭管狭窄症の重度の定量的な尺度として,半分の間隔の気圧を評価する.
- 運動テストと半時間のダイアストリック圧力の有用性を比較する.
主な方法:
- 心臓キャセテリゼーションは20人の患者に実施されました.
- 半減期までのダイアストリック左心房圧差が測定されました.
- 運動とミトラル反吐がハーフタイムに与える影響を評価した.
主要な成果:
- 半減期はミトラス狭窄の解剖学的重度 (軽度: ~100 ms,中度: ~200 ms,重度: ≥300 ms) と相関する.
- 非静脈弁の半減期は25ミリ秒未満でした.
- 運動はハーフタイムに影響を最小限にしており,ミトラルリグルジテーションは有意な影響はなかった.
- ハーフタイムは,ミトラル弁の穴面積と逆の関係を示した.
結論:
- ディアストロリック圧の半減期は,真髄狭窄症の重度の信頼できる指標です.
- この測定は,ミトラル狭窄症の評価のための運動テストを潜在的に置き換えることができます.
- ハーフタイムは,ミトラル弁の穴の物理的な寸法と直接的な相関関係を提供します.
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