The Evaluation of Coronary Artery Stenosis by Exercise-Induced Negative U Wave.
10.4070/kcj.1993.23.4.566
- Author:
Jin Il YOON
;
Byong Ok KIM
;
Kun Joo RHEE
;
Yong Soo LEE
;
Suck Koo CHOI
;
Won Sang YOO
;
Soon Kyu SUH
- Publication Type:Original Article
- Keywords:
Exercise-induced negative U wave;
Coronary angiography
- MeSH:
Chest Pain;
Constriction, Pathologic;
Coronary Angiography;
Coronary Stenosis*;
Coronary Vessels*;
Female;
Humans;
Hypertension;
Male;
Mitral Valve Insufficiency;
Myocardial Ischemia
- From:Korean Circulation Journal
1993;23(4):566-570
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
BACKGROUND: Negative U wave is frequent maker of systemic hypertension, aortic or mitral regurgitation and myocardial ischemia. This study was undertaken to determine the diagnostic significance of exercise-induced negative U wave in coronary artery stenosis. METHOD: 72 patients(46 men and 26 women ; 24~66 years of age) with chest pain were analysed with exercised-induced negative U wave and coronary angiographic finding. RESULT: Exercise-induced negative U wave was seen in 14 patients(19%). Among 14 patients with exercise-induced negative U wave, the predictive value of significant coronary artery stenosis(> or =75% stenosis of major coronary artery) was 71%, Exercise-induced negative U wave is more prevalent in patients with significant coronary artery stenosis(p<0.05). CONCLUSION: Exercise-induced negative U wave is a good marker of significant coronary artery stenosis.
