Exercise-induced ST-segment elevation in leads aVR and V1 for the prediction of left main disease

被引：27

作者：

Katircibasi, M. Tuna ^{[1
]}

Kocum, H. Tolga ^{[1
]}

Tekin, Abdullah ^{[1
]}

Erol, Tansel ^{[1
]}

Tekin, Goeknur ^{[1
]}

Baltali, Mehmet ^{[1
]}

Muderrisoglu, Haldun ^{[1
]}

机构：

[1] Baskent Univ, Fac Med, Dept Cardiol, TR-01250 Yuregir Adana, Turkey

来源：

INTERNATIONAL JOURNAL OF CARDIOLOGY | 2008年 / 128卷 / 02期

关键词：

left main coronary artery disease; exercise testing; lead aVR; lead V-1;

D O I：

10.1016/j.ijcard.2007.05.022

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: This study investigated the value of exercise-induced ST-segment elevation in lead aVR with or without concomitant ST-segment elevation in lead V-1 for detection of left main (LM) coronary artery disease in patients with Duke treadmill score <=-11. Methods: One hundred and four patients with Duke treadmill score <=-11 were retrospectively screened for presence of ST-segment elevation in lead aVR and lead V-1. Results: Twenty-six out of 65 patients with ST-segment elevation in lead aVR and 24 out 38 patients with ST-segment elevation in lead aVR with concomitant ST-segment elevation in lead V-1 were found to have LM disease. Exercise-induced ST-segment elevation in lead aVR had a sensitivity of 92.9% and a specificity of 48.6% and ST-segment elevation in lead aVR accompanied by ST-segment elevation in lead V-1 had a sensitivity of 85.7% and a specificity of 81.6% in predicting LM disease. Conclusions: This study shows that the observation of exercise-induced ST-segment elevation in lead aVR is a sensitive, but not a specific, electrocardiographic finding of significant LM coronary artery disease. However, exercise-induced ST-segment elevation in lead aVR accompanied by ST-segment elevation in lead V-1 might be not only a sensitive but also a specific finding of LM stenosis in these patients. (c) 2007 Elsevier Ireland Ltd. All rights reserved.

引用

页码：240 / 243

页数：4

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