Mechanisms of myocardial stunning in stress-induced cardiomyopathy

Preprint | 
10.55415/deep-2022-0030.v1
This is not the most recent version. There is anewer versionof this content available.
Quanwei Pei#
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Mbabazi Nadine#
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Lina Zou#
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Junpei Zhang
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Hongpeng Yin
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Bin Li
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Jiaxin Wang
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Weifa Wang
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Pengqi Lin
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Junjie Yang
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Dechun Yin*
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda
Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, China; 2 Department of Cardiology, King Faisal Hospital, Kigali, Rwanda

# contributed equally to this work, * Corresponding author

Abstract

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.
Key words: Stress-induced cardiomyopathy; Myocardial stunning; Calcium disorders; Metabolic alterations; Coronary microvascular dysfunction

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Keywords
Stress-induced cardiomyopathy ;  Myocardial stunning ;  Calcium disorders
Subject Area
Cardiology
Version History
  • 27 May 2022 17:23 Version 1
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