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Updated: Aug 17, 2026

08:17
Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
都市部の人口における症状と無症状の左心房シストリック機能不全
T A McDonagh1, C E Morrison, A Lawrence
1Department of Cardiology, Western Infirmary, Glasgow, UK.
Lancet (London, England)
|October 6, 1997
まとめ
左心室シストリック機能不全は,これまで考えられていたよりもより一般的であり,成人の2.9%に影響しています. 発血性心臓病と高血圧に対するリスクの高い個人をスクリーニングすることによって早期発見が推奨されます.
科学分野:
- 心臓病学 心臓病学
- エピデミオロジー エピデミオロジー
- 診断用イメージング
背景:
- 慢性心不全 (CHF) に関する以前の研究は,主に臨床的基準を使用しました.
- エコーカルディオグラフィは,心臓の機能を評価するための重要なツールです.
研究 の 目的:
- エコーカルディオグラフィーを用いて左心室シストリック機能障害の有病率を決定する.
- 左心室シストリック機能不全に関連する危険因子を特定する.
主な方法:
- 25歳から74歳までの1640人の成人を対象に横断調査が行われました.
- エコーカルディオグラフィーは,双平面シンプソン法を使用して,左心室放出分数 (LVEF) を評価した.
- 参加者はアンケートに記入し,血圧測定,心電図,心声検査を受けた.
主要な成果:
- 平均LVEFは47.3%で,左心室内静脈機能不全 (LVEF ≤30%) が明らかに示された参加者の2.9%でした.
- 罹患率は年齢とともに増加し,男性 (4.0%) で女性 (2.0%) よりも高かった.
- 発血性心臓病 (IHD) と高血圧は,左心室内静脈機能不全を有する個体において,より顕著に発生しました.
結論:
- 左心室シストリック機能不全は,臨床的に定義された症状性心不全よりも少なくとも2倍も一般的です.
- IHDとIHDに伴う高血圧は,主要な危険因子である.
- 左心室シストリック機能不全に対する高リスク集団のスクリーニングは推奨されます.
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