Eligibility Criteria:
Inclusion Criteria:
Group 1(CHD+CHF): clinically evident CHF II-IV NYHA Classes,confirmed by NT-proBNP diagnostic levels. Any form of Coronary Heart Disease :angina pectoris up to and including 2 functional class, previous myocardial infarction, percutaneous coronary intervention or coronary arteries bypass grafts. possible functional insufficiency of A-V valves, arterial hypertension, possibly with chronic atrial fibrillation/atrial fibrillation of any form, ventricular extrasystoles of any class, Hiss bundle branch block not requiring implantation of devices, ability to self-care.
Group 2(CHD): Any form of Cronic Heart Disease :angina pectoris up to and including 2 functional class, previous myocardial infarction, percutaneous coronary intervention or coronary arteries bypass grafts, possible functional insufficiency of A-V valves of 1 stage, arterial hypertension, possibly with chronic atrial fibrillation/ flatter of any form, ventricular extrasystoles of any class, Hiss bundle branch block not requiring implantation of devices, ability to self-care.
Group 3 (NICMPs+CHF): clinically evident CHF II-IV NYHA Classes,confirmed by NT-proBNP diagnostic levels without signs of CHD in the history, without violation of coronary anatomy - stenoses (MSCT and coronary angiography). Possible functional insufficiency of A-B valves of the 1st degree, arterial hypertension, possible chronic forms of atrial fibrillation/ flatter, ventricular extrasystoles of any class, blockade of the Hiss legs not requiring implantation of devices, capable of self-care.
Group 4 (VCMPs+CHF):Valvular acquared cardiomyopathies with clinically evident CHF II-IV NYHA Classes,confirmed by NT-proBNP diagnostic levels without signs of CHD in the history, without violation of coronary anatomy - stenoses (MSCT and coronary angiography). Possible functional insufficiency of A-B valves of the 1st degree, arterial hypertension, possible chronic forms of atrial fibrillation/ flatter, ventricular extrasystoles of any class, blockade of the Hiss legs not requiring implantation of devices, capable of self-care.
Exclusion Criteria:Exclusion criteria (for groups 1-4): Acute myocardial infarction or unstable angina within the last 6 months, Dementia, lack of signed consent, CKD 4st or higher, tuberculosis, active cancer, liver cirrhosis of infectious etiology, chronic anemia : Hemoglobin less than 95 g/L, inability to self-care, type 1 diabetes mellitus,or insulin-dependent type 2 DM , anticipated heart valve surgery within one year, uncontrolled endocrine disease or malignancy likely to affect prognosis.