摘要: Dilated (congestive) cardiomyopathy (DCM) is defined as a heart muscle disease of unknown etiology characterized by severe impairment systolic function, responstible for progressive ventricular dilatation. In most cases, both ventricles are simultaneously involved but occasionnally right pump failure precedes the left failure. Many associated or conditioning factors have been incriminated including prolonged alcohol abuse, malnutrition, pregnancy/puerperium, small coronary-vessel disease, viral infection, persistent inflammation with disorders cellular immunity.