Myocardial damage and left ventricular dysfunction in patients with and without persistent negative t waves after q-wave anterior myocardial infarction

Persistent T-wave inversions during the chronic stage of Q-wave myocardial infarction (MI) indicate the presence of a transmural infarction with a fibrotic layer pathologically. The aim of the present study was to examine the relation between left ventricular (LV) damage and changes in polarity of t...

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Bibliographic Details
Published in:The American journal of cardiology 2001-03, Vol.87 (5), p.510-515
Main Authors: Sakata, Konomi, Yoshino, Hideaki, Houshaku, Hidehiko, Koide, Yasushi, Yotsukura, Masayuki, Ishikawa, Kyozo
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Cardiology
Cardiology. Vascular system
Coronary heart disease
Electrocardiography
Endomyocardial Fibrosis - diagnosis
Endomyocardial Fibrosis - physiopathology
Endomyocardial Fibrosis - therapy
Female
Follow-Up Studies
Heart
Heart attacks
Humans
Male
Medical sciences
Middle Aged
Myocardial Contraction - physiology
Myocardial Infarction - diagnosis
Myocardial Infarction - physiopathology
Myocardial Infarction - therapy
Myocardium - pathology
Treatment Outcome
Ventricular Dysfunction, Left - diagnosis
Ventricular Dysfunction, Left - physiopathology
Ventricular Dysfunction, Left - therapy
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Summary:Persistent T-wave inversions during the chronic stage of Q-wave myocardial infarction (MI) indicate the presence of a transmural infarction with a fibrotic layer pathologically. The aim of the present study was to examine the relation between left ventricular (LV) damage and changes in polarity of the T waves from the acute to chronic phase in patients with Q-wave anterior wall MI. We studied 140 patients with persistent T-wave inversions in leads with Q waves (negative T-wave group) and 158 patients with positive T waves (positive T-wave group) at 12 months after anterior MI. In the positive T-wave group, the precordial T waves reverted from a negative to a positive morphology
ISSN:0002-9149
1879-1913
DOI:10.1016/S0002-9149(00)01422-3