Acute myocardial infarction: Clinical characteristics and plaque morphology between expansive remodeling and constrictive remodeling by intravascular ultrasound

According to recent intravascular ultrasound (IVUS) studies, expansive remodeling (ER) at the culprit lesion has been observed in almost 50% of patients with acute coronary syndrome and constrictive remodeling (CR) in 30%. The purpose of this study is to investigate the difference between ER and CR...

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Bibliographic Details
Published in:The American heart journal 2006-02, Vol.151 (2), p.332-337
Main Authors: Hasegawa, Takao, Ehara, Shoichi, Kobayashi, Yoshiki, Kataoka, Toru, Yamashita, Hajime, Nishioka, Hiroki, Asawa, Koichiro, Yamagishi, Hiroyuki, Yoshiyama, Minoru, Takeuchi, Kazuhide, Yoshikawa, Junichi, Ueda, Makiko
Format: Article
Language:English
Subjects:
Acute coronary syndromes
Age
Age Factors
Aged
Biological and medical sciences
Blood clots
Calcinosis - diagnostic imaging
Calcinosis - pathology
Calcinosis - physiopathology
Cardiology
Cardiology. Vascular system
Cardiovascular disease
Coronary Artery Disease - diagnostic imaging
Coronary Artery Disease - pathology
Coronary Artery Disease - physiopathology
Coronary Circulation
Coronary heart disease
Coronary Stenosis - diagnostic imaging
Coronary Stenosis - pathology
Coronary Stenosis - physiopathology
Coronary vessels
Diabetes
Endosonography - methods
Female
Heart
Heart attacks
Humans
Hypertension
Male
Medical sciences
Middle Aged
Myocardial Infarction - diagnostic imaging
Myocardial Infarction - pathology
Myocardial Infarction - physiopathology
Myocarditis. Cardiomyopathies
Regression Analysis
Statistics, Nonparametric
Studies
Ultrasonic imaging
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Summary:According to recent intravascular ultrasound (IVUS) studies, expansive remodeling (ER) at the culprit lesion has been observed in almost 50% of patients with acute coronary syndrome and constrictive remodeling (CR) in 30%. The purpose of this study is to investigate the difference between ER and CR at the culprit lesion in patients with acute myocardial infarction (AMI). Preinterventional IVUS images of 73 patients with AMI were identified. The remodeling index (RI) was defined as the ratio of the external elastic membrane (EEM) areas at the culprit lesion to the EEM areas at the proximal reference site. Expansive remodeling was defined as an RI >1.05; CR, as an RI
ISSN:0002-8703
1097-6744
DOI:10.1016/j.ahj.2005.03.041