title: Lack of ventricular remodeling in non-Q-wave myocardial infarction.
abstract: We prospectively examined 45 patients with serial echocardiography to measure left ventricular end-diastolic volume index within 1 week and at 6 weeks after infarction. Left ventricular volume increased in patients with Q-wave infarction but not in those with non-Q or in control patients without recent infarction. Peak creatine phosphokinase levels were greater in Q-wave infarction compared with those in non-Q-wave infarction. There was a strong correlation between the change in the left ventricular end-diastolic index and the peak creatine phosphokinase level. After correcting for infarct size, there was still a difference between the two groups. Our data indicate that ventricular remodeling does not occur in non-Q-wave as opposed to Q-wave infarcts, and this may be related both to the limited amount of myocardial necrosis and to the nontransmural extent of the necrosis.
authors.affiliation: Cardiology Section, Department of Medicine, Tulane University School of Medicine, New Orleans, Louisana 70112-2699, USA.
authors.forename: A M
authors.initials: AM
authors.lastname: Irimpen
authors.forename: A N
authors.initials: AN
authors.lastname: Tenaglia
authors.forename: D J
authors.initials: DJ
authors.lastname: Shin
authors.forename: A J
authors.initials: AJ
authors.lastname: Buda
mesh_terms: D016009:Chi-Square Distribution; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D015999:Multivariate Analysis; D009203:Myocardial Infarction / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011446:Prospective Studies