ベクトル心電図と心電図と冠動脈動脈図の相関
G B Lee1, W J Wilson, K Amplatz
1Department of Medicine, St. Paul Ramsey Hospital, University of Minnesota, Minneapolis, Minnesota, USA.
Circulation
|July 1, 1968
まとめ
ベクター心臓撮影 (VCG) は,心電図 (ECG) よりも多くの心臓発作を検出しました. VCGは67人の患者で心臓発作を特定し,ほとんどの症例で冠動脈疾患と相関しており,ECGはいくつかの症例を逃した.
科学分野:
- 心臓病学 心臓病学
- 診断用イメージング
背景:
- 冠動脈性心疾患 (CHD) の診断は,イメージングによる臨床発見の相関に依存しています.
- 電気心臓図 (ECG) とベクトル心臓図 (VCG) は,心臓の電気活動を評価するための非侵襲的な方法です.
- 冠動脈動脈図は,冠動脈狭窄の決定的な視覚化を提供します.
研究 の 目的:
- 心臓発作の疑いのある患者の心筋梗塞 (MI) の検出におけるVCGとECGの診断精度を比較する.
- MIのVCGとECGの発見と冠動脈動脈撮影の結果を相関させるため.
主な方法:
- CHDの疑いのある100人の患者を対象とした前向きな研究.
- 診断のためにベクトル心臓撮影 (VCG),心電図 (ECG),冠動脈動脈撮影を使用した.
- 分析したVCGとECGは,前頭,膜,後頭心筋梗塞の証拠を示した.
主要な成果:
- VCGは67人の患者で心臓発作を特定した (前部:28,膜:27,後部:12).
- 冠動脈疾患との相関は,VCGで検出された前頭 (26/28) および隔膜 (25/27) のMIsで高かった.
- ECGは,VCGと比較してより少ないMIを検出しました,特に後部梗塞 (2/12).
- 大半のVCG陽性症例では,著しい冠動脈収縮または阻害が見られた.
- 15人の患者は心筋梗塞なしの冠動脈阻塞を起こし,13人は心筋梗塞による非完全阻塞を起こした.
結論:
- VCGは,心筋梗塞の疑いのあるCHDで心筋梗塞を検出するためにECGよりも敏感であるようです.
- VCGの発見は,重要な冠動脈疾患と良好に相関しています.
- 心臓発作と冠動脈阻害の間の不一致は,CHD診断の複雑さを強調しています.
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