18F-deoxyglucose (FDG) PET-CMD

• Patients above 18 years of age
• Patients with DCM as defined by the European Society of Cardiology and recognized as such by the clinician cardiologist
• DCM diagnosed for more than two weeks without new ventricular arrhythmias or AuriculoVentricular Block (AVB) second or third degree , who responded to the usual treatment in the first two weeks of treatment
• No family history of DCM
• Lake of clinical or biological cases for periphiral myopathy or myotonia
• Absence of other causes of non-family DCM discovered during the initial etiological ( some deficiency , toxic alcoholic or drug )
• Patients who underwent cardiac MRI for etiological DCM for less than four weeks at the time of obtaining consent
• Patients who have read and understood the information letter and who signed the consent form
• Affiliated to a social insurance

Exclusion Criteria:

• Ischemic cardiomyopathy defined by history of myocardial infarction or myocardial revascularization , stenosis ≥ 75% of the core or the left coronary artery anterior interventricular proximal stenosis ≥ 75% on at least two epicardial vessels
• Significant organic valvular echocardiography
• Eosinophilia or immuno- allergic mechanism suspected
• History of acute myocarditis
• History of sarcoidosis
• Family history of DCM
• History of chemotherapy with anthracyclines
• Patient with signs of circulatory failure or congestive heart failure requiring intravenous positive inotropic therapy or diuretic therapy
• Treatment immunosuppressive received from cardiac MRI
• Hypersensitivity to heparin.
• History of severe thrombocytopenia type II ( heparin induced thrombocytopenia or immuno- allergic thrombocytopenia ) , heparin or unfractionated heparin , low molecular weight
• Other causes of non-family DCM discovered during the initial etiological ( some deficiency , toxic alcohol or medication , endocrine )
• Patients with active neoplasia
• Patients with chronic liver disease
• Patients with connective : rheumatoid arthritis , systemic lupus erythematosus , systemic sclerosis , dermato- polymyositis , mixed connective
• Patients with Crohn's disease
• Patients with active tuberculosis
• Pregnant or lactating women
• Minors
• Major Trust
• No affiliation to a social insurance