Assessment of Nutritive Status in Patients with Symptoms of Heart Failure

Aim of the research. To study the parameters of nutritional status of patients with acute and chronic coronary syndromes and symptoms of heart failure in conjunction with clinical, anthropometric, laboratory parameters, structural and functional characteristics of the heart.
Materials and methods. A cross-sectional study of 106 patients with acute and chronic coronary syndromes and symptoms of heart failure. All subjects underwent an integrated assessment of the nutritional status (anthropometric, caliperometric (caliper metric) indicators, CONUT scale (lymphocytes, total cholesterol, albumin), hormonal indicators (N-terminal brain natriuretic propeptide), structural changes in the myocardium using echocardiography, exercise tolerance by 6-minute walk test.
Results. Nutritional deficiency, according to CONUT scale, was found in 81.1 % of cases (86 patients). In the group of patients with the presence of malnutrition, there were significantly high level of fibrinogen and N-terminal brain natriuretic propeptide. The interpretation of changes in body composition showed a significant upward trend in the prognostic index of hypotrophy and a decrease in lean body mass as heart failure progresses. The dependence of nutritive insufficiency on the CONUT scale with laboratory parameters (creatinine, fibrinogen, brain natriuretic propeptide), structural and functional characteristics of the heart (diastolic and systolic dimensions of the left ventricle, ejection fraction, left ventricular myocardial mass index), a functional indicator of tolerance to the physical load (6-minute walk test) was determined.
Conclusion. An integrated analysis of nutritional status indicators of patients with heart failure revealed an increase of malnutrition signs with an increase of the severity of HF. Pathological effects of nutritional deficiency are associated with impaired left ventricular systolic function, reduced exercise tolerance.

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