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Updated: Aug 18, 2026

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Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
立体エコーカルディオグラフィによる左心室射出分数の正確な測定. 放射性核素血管撮影との比較
Y F Nosir1, P M Fioretti, W B Vletter
1Thoraxcenter, Division of Cardiology, University Hospital, Rotterdam-Dijkzigt, Netherlands.
Circulation
|August 1, 1996
まとめ
3次元エコーカルディオグラフィーは,患者の左心室エジェクション分子を正確に測定し,放射性核素血管撮影と優れた相関を示しています. 精密で迅速な測定のために15mmのスライス厚さが推奨されます.
科学分野:
- 心臓病学 心臓病学
- メディカルイマージング (医学イメージング)
- エコーカルディオグラフィー エコーカルディオグラフィー
背景:
- 三次元エコーカルディオグラフィー (3Dエコー) は,幾何学的な仮定のない左心室放出分数 (LVEF) の計算を提供します.
- 患者集団における3Dエコーの再現性と精度に関するデータは限られている.
研究 の 目的:
- LVEF測定のための3Dエコーの正確性と再現性を評価する.
- 3Dエコーを使用してLVEF計算のための最適なスライス厚さを決定します.
主な方法:
- 25人の患者は,放射性核素血管図と3Dエコーで,回転技術,心電図,呼吸器ゲーティングを施しました.
- 左心室 (LV) の体積とLVEFは,3mmのスライス厚さでシンプソンの法則を用いて計算された.
- 分析では,スライス厚さの違いがLVEFの精度に与える影響を評価した.
主要な成果:
- 3Dエコーは,LVEF (r = .99) のための放射性核素血管図と優れた相関性を示しました.
- 3Dエコーでは観察者内変動率が2.6%で,放射性核素血管図では4.2%であった.
- 3Dエコーでは観察者間変動率が5.3%であったが,放射性核素血管図では6.2%であった.
結論:
- 3Dエコーは,放射性核素血管撮影に匹敵する正確なLVEF計算を提供します.
- 3Dエコーに対する観察者の変動性は,放射性核素血管撮影に似ています.
- 正確かつ迅速なLV体積とLVEF評価のために15mmのスライス厚さが推奨されます.
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