Typological peculiarities of the cardiovascular system functioning in adolescents

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Abstract

Introduction. Aim — to study the functional indices of cardiohemodynamics in 381 male residents of Magadan town aged of 14 –17 years, in dependence on their types of self-regulation in the blood circulating system. 

Material and methods. During the study, in each young man the main anthropometric indices: body length (BL, cm) and body mass (BM, kg) were measured by conventional methods. The indices of cardiohemodynamics were determined in young men at rest in the sitting position by the method of volumetric compression oscillometry with the use of a complex of hard & software noninvasive study of central hemodynamics (CAP C Gosm “Globus”, Belgorod).

Results. In the paper there were presented results of the examination performed on the cardiovascular system in all adolescents, 54.8% had a cardiac type of self-regulation, 33.1% — a cardiovascular type, and 12.1% — a vascular type of the blood circulating system. The relationship of hemodynamic indices with types of self-regulation in the blood circulation in each age group was shown. Arterial pressure and cardiac output observed in adolescents with the cardiac type of autoregulation of the blood circulation at rest are maintained at the expense of higher heart rate values while in adolescents with vascular type — at the expense of higher values of the stroke volume and left ventricular stroke power. The adolescents with cardiac-vascular type demonstrated the most balanced system of autoregulation of the blood circulation. 

Conclusion. The conducted research allows assessing the risk of the development of diseases of the cardiovascular system in persons of young age with a view to adopting preventive measures.

About the authors

Lyudmila I. Grechkina

Scientific-research Center “Arktika” of RAS

Author for correspondence.
Email: ludmila-50@mail.ru

MD, Ph.D., associate professor of the Laboratory of Physiology of Extremal States of the Scientific Researth Center “Arktika”, Magadan, 685000, Russian Federation.

e-mail: ludmila-50@mail.ru

Russian Federation

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