MODERN APPROACHES TO ASSESSING THE IMPACT OF PHYSICAL ACTIVITY ON THE PROGNOSIS OF HEART FAILURE
Summary. The article is devoted to the topical issue of the influence of physical activity on the prognosis of heart failure. Lifestyle and level of physical activity are important factors in the development of cardiovascular disease. Exercise intolerance is the main symptom of heart failure and is crucial because it is associated with poor quality of life and increased mortality. While impaired cardiac reserve is considered central to heart failure, reduced exercise capacity and functional capacity are the result of key patient characteristics. Scientific studies have shown that patients with heart failure have impaired functional capacity that is associated with their prognosis. In addition, physical functional performance in functional tests has also been linked. The review includes a large number of studies on the diagnosis of cardiovascular reserve capacity through the use of indices and functional tests. These include the cardiorespiratory exercise test, six-minute walk test, short-term exercise capacity series, and gait speed test. The exercise cardiorespiratory test is a specialized type of exercise test that provides a more accurate and objective assessment of cardiopulmonary function. It provides important information for the evaluation and treatment of patients with heart failure. This test measures the respiratory and cardiac response to exercise and allows you to measure maximum oxygen uptake and the ratio between minute ventilation and carbon dioxide output. These two parameters help classify patients into categories that help predict prognosis. Thus, the assessment of the functional reserve of the cardiovascular system is of great importance in the diagnosis of heart failure. For this purpose, functional tests are used to determine the functional reserve of the cardiovascular system and allow to determine the risk group for the development of heart failure and its prognosis.
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