There are many ways to classify cardiomyopathies, which vary from one organization to another and from one time period to another.
Cardiomyopathies are a group of diseases other than hypertensive heart disease, coronary artery disease, heart valve disease, congenital cardiovascular disease, and pulmonary heart disease that are characterized by abnormalities in the structure and function of the myocardium. There are many types of cardiomyopathies, and the classification methods are not consistent.
1. In 1995, the World Health Organization (WHO) defined cardiomyopathy as a disease of the myocardium accompanied by cardiac dysfunction, which is divided into primary cardiomyopathy and secondary cardiomyopathy. Primary cardiomyopathies include dilated cardiomyopathy, hypertrophic cardiomyopathy, restrictive cardiomyopathy, arrhythmogenic right ventricular cardiomyopathy, and undetermined cardiomyopathy.
2. In 2006, the American Heart Association (AHA) defined cardiomyopathy as a myocardial disease caused by various reasons, with diverse clinical manifestations and abnormalities in cardiac structure and/or electrical activity, following the classification of primary and secondary cardiomyopathy. However, primary cardiomyopathies are limited to the myocardium or diseases that primarily involve the myocardium, and are categorized as hereditary, acquired, and mixed, discarding undefined cardiomyopathies, and secondary cardiomyopathies refer to cardiomyopathies that are part of a systemic disease.
3. In 2008, the European Society of Cardiology (ESC) defined cardiomyopathy as a disease of the myocardium that is not caused by abnormalities in myocardial structure and function due to coronary artery disease, hypertension, valvular disease and congenital heart defects. No longer following the classification of primary and secondary cardiomyopathy, according to the morphology and function of cardiomyopathy is divided into dilated, hypertrophic, restrictive, arrhythmogenic and undefined five types, each type is subdivided into familial / hereditary and non-familial / non-hereditary.
4. In 2007, China formulated the “Recommendations for Diagnosis and Treatment of Cardiomyopathy”, which basically follows the definition of cardiomyopathy and its subtypes defined by WHO, and recommends that primary cardiomyopathy be divided into five types: dilated, hypertrophic, restrictive, arrhythmogenic, and amorphous cardiomyopathy.
If you suffer from cardiomyopathy, you should consult a doctor and follow the medical advice.