Iakymchuk V. Information technology research on the state of the human cardiovascular system by the composition of exhaled air

This dissertation addresses an important scientific and technical problem: the diagnosis of cardiovascular disease through the creation of an information technology study of the cardiovascular system. The technology was based on determining the concentration indices of the chemical composition of exhaled air, which is implemented as an information system definition of the decision support unit, which included the definition of mathematical models of the studied pathologies. On the basis of binary logistic regression, taking into account the age and gender of patients, mathematical models of definition, and the cardiovascular pathologies, this study will provide further improvement of diagnostic and therapeutic processes of diseases studied. These models take into account not only the absorption of oxygen and the production of carbon dioxide and hydrogen fluoride, but also nitrogen oxide, nitrogen dioxide and ammonia, which allows us to identify problems in the operation of the heart and vessels, and the risk of coronary heart disease, mitral and aortic valves stenosis. The method of determining the state of the cardiovascular system analyzes the concentration of the exhaled air as on auxiliary surgical method of cardiovascular disease, with the possibility of evaluating the functional state of the cardiovascular system. Based on the results of this research, a database of the human cardiovascular system was created, which allows real-time tracking of the change in sensors' concentration, and enables us to create additional methods of diagnosis of cardiovascular diseases based on data analysis, ensuring the improvement of health care processes in hospitals.