Stress-induced cardiomyopathy,in contrast to acute myocardial infarction,is a type of acute heart failure characterized by reversible left ventricular dysfunction.Cardiac imaging primarily reveals left ventricle myoca...Stress-induced cardiomyopathy,in contrast to acute myocardial infarction,is a type of acute heart failure characterized by reversible left ventricular dysfunction.Cardiac imaging primarily reveals left ventricle myocardial stunning,81.7%of which is apical type.Emotional or psychological stress usually precedes the onset of stress-induced cardiomyopathy,which is increasingly being recognized as a unique neurogenic myocardial stunning disease.To distinguish between acute myocardial infarction and acute viral or auto-immune myocarditis,this review summarizes specific mechanisms of myocardial stunning in stress-induced cardiomyopathy,such as calcium disorders,metabolic alterations,anatomical and histological variations in different parts of the left ventricle,and microvascular dysfunction.展开更多
Atrial fibrillation is the most common arrhythmia leading to cardiogenic stroke.Without membranous sructure between epicardial adipose tissue and atrial myocardium,epicardial adipose tissue directly covers the surface...Atrial fibrillation is the most common arrhythmia leading to cardiogenic stroke.Without membranous sructure between epicardial adipose tissue and atrial myocardium,epicardial adipose tissue directly covers the surface of the atrial myocardium.The formation of an epicardial adipose tissue inflammatory microenvironment,fibrosis,infiltration by epicardial adipose tissue,autonomic dysfunction and oxidative stress are important mechanisms that trigger and maintain atrial fibrillation.Those mechanisms are reviewed herein.展开更多
基金supported primarily by the Distinguished Young Foundations of the First Affiliated Hospital of Harbin Medical University(HYD2020JQ002 to Dr Yin)The Science Foundation of the First Affiliated Hospital of Harbin Medical University(2018 L001 to Dr Yin).
文摘Stress-induced cardiomyopathy,in contrast to acute myocardial infarction,is a type of acute heart failure characterized by reversible left ventricular dysfunction.Cardiac imaging primarily reveals left ventricle myocardial stunning,81.7%of which is apical type.Emotional or psychological stress usually precedes the onset of stress-induced cardiomyopathy,which is increasingly being recognized as a unique neurogenic myocardial stunning disease.To distinguish between acute myocardial infarction and acute viral or auto-immune myocarditis,this review summarizes specific mechanisms of myocardial stunning in stress-induced cardiomyopathy,such as calcium disorders,metabolic alterations,anatomical and histological variations in different parts of the left ventricle,and microvascular dysfunction.
基金supported primarily by the National Science Foundation of China's Major Scientific Research Instrument Development Project(81727809)Scientific Research Project of Heilongjiang Provincial Health Commission(2020-137)Harbin Medical University Innovative Scientific Research Funding Project(2021-KYYWF-0225).
文摘Atrial fibrillation is the most common arrhythmia leading to cardiogenic stroke.Without membranous sructure between epicardial adipose tissue and atrial myocardium,epicardial adipose tissue directly covers the surface of the atrial myocardium.The formation of an epicardial adipose tissue inflammatory microenvironment,fibrosis,infiltration by epicardial adipose tissue,autonomic dysfunction and oxidative stress are important mechanisms that trigger and maintain atrial fibrillation.Those mechanisms are reviewed herein.
