DOI: https://doi.org/10.31071/kit2020.16.12

Inventory reference

ISSN 1812-7231 Klin.inform.telemed. Volume 15, Issue 16, 2020, Pages 69-78

Author(s)

V. A. Kirichenko, T. V. Kulbashevskaya, A. V. Pechenin, V. G. Sergeev

Institution(s)

National Aerospace University "KhAI", Kharkiv, Ukraine

Article title

Evaluation of changes in the parameters of the vascular system in a reactive hyperemia test using rheographic data

Abstract (resume)

Introduction. The task of searching method of non-invasive assessment of the cardiovascular system state is now as relevant as it was many years ago, since a method that fully satisfies the researchers is still not offered today. Once a popular rheographic method of studying the cardiovascular system today is increasingly being forgotten. A point of view was formed about its low effectiveness, due to the low accuracy and instability of the results obtained. Doppler analyzers widely used today give excellent results in the study of local vascular pathologies, but are of little use for an integral assessment of the state of vascular regions.

Objective. Revealing the reasons for the low effectiveness of the rheographic method for assessing the state of the vascular system and determining ways to improve the method.

Results of the research. On the example of the reactive hyperemia test data analysis, the inadequacy of the existing classical procedure for the analysis of rheograms is shown and the prospects for using the procedure for decomposing the rheogram into low-frequency (LF) and high-frequency (HF) components are shown.

Conclusions. The use of rheography to assess the state of the cardiovascular system is very promising, but it requires fundamental changes in the existing classical methodology for the analysis and interpretation of rheograms. Based on the data of rheographic complex "ReoCom" results of using the technique of "LF-HF analysis" are given. The obvious advantages are shown, in comparison with the classical technique of rheogram analysis.

Keywords

Evaluation of the cardiovascular system parameters, Rheographic data, "LF-HF analysis" of rheograms, Vascular tone, Peripheral resistance, Venous outflow

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