まとめ
静かなイシュケミア,または胸の痛みなしに心臓の血流が欠如することは,冠動脈疾患において一般的です. この状態は,静かな状態であっても,心臓のリスクを高め,特に高リスクの個体では,より悪い予後を示します.
科学分野:
- 心臓病学 心臓病学
- 発血性心臓病 発血性心臓病 発血性心臓病 発血性心臓病とは
背景:
- 静かな缺血は,冠動脈疾患 (CAD) にしばしば伴います.
- 罹患率の推定では,中年男性の2~4%が無症状のCADとサイレントイシュケミーを患っていることが示唆されています.
- 既知のCAD患者では,トレッドミール検査で陽性だった34%の患者が痛みを感じていない.
研究 の 目的:
- さまざまなCAD集団における静かなイシュケミアの有病率と重要性を強調する.
- 発血不全のイベントは,静かなものであれ,症状のあるものであれ,同様のリスクを伴うことを強調します.
主な方法:
- 静かな性缺血の流行に関する既存のデータと研究のレビュー.
- トレードミルのテストの結果の分析は,CADの異なる患者コホートで得られた.
主要な成果:
- 静かな発血不全は,安定したアンギナにおける発血不全の70%を占め,不安定なアンギナでは80%を占める.
- 約20~30%の心筋梗塞は静音である.
- 5%の生存者の心筋梗塞 (MI) 以後の静かな性缺血は不良の予後を示唆しています.
結論:
- 静かなイシュケミアは,冠動脈疾患における一般的な発見である.
- 静かなまたは症状のイシュケミアの存在は,心臓のリスクを高めます.
- サイレント・イシュケミアは,特に高リスクのCAD患者では予後を悪影響を及ぼします.
さらに関連する動画
06:18Measurement of Myocardial Lactate Production for Diagnosis of Coronary Microvascular Spasm
Published on: September 17, 2021
08:35Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
Published on: August 17, 2022
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