Abstract
Purpose: to examine the state of hemodynamics, blood oxygenation levels in girls with hypotensive type neurodystonia in a dosed physical load. Material : The study involved 59 women with hypotensive type neurodystonia aged 18-19 years and 14 healthy women the same age. Results : It was found that the girls on the background of low systolic blood pressure observed early hemodynamic response from the very first steps (25-50 W) bicycle stress test in the form of increased heart rate, stroke volume, pulse pressure. At the height of the stress test in 76.27 % of girls showed a reduction in blood oxygenation indices and lengthening of the period of recovery. Conclusions : The dose of girls in physical activity with hypotension, place high demands on the cardiovascular system, the restructuring of which is accompanied by inadequate oxygen supply systems in operation, adjustment disorder, low capacity for work that requires a non-drug methods of rehabilitation in the form of regular dose of physical activity, breathing exercises .
Highlights
The girls’ general state has been continuously tested during the investigation by electrocardiogram, heart rate (HR) dynamics has been evaluated by standard methods, arterial blood pressure (ABP), correlation of heart rate to Watts (HR/W), blood stroke volume (BSV), blood minute volume (BMV), pulse pressure (PP) at workload performed [1, 12]
It is known that ABP has two components – a constant, which refers to the average blood pressure and throbbing, which turns the largest pulse pressure
Dosage physical activity among girls with hypotensive type neurocirculatory asthenia (NCA), makes high demands on the cardiovascular system, the restructuring of which is accompanied by inadequate oxygen supply operating systems, adjustment disorder
Summary
Blood circulation system is a sensible indicator of the state of adaptive mechanisms of the whole organism while circulatory dynamics data precisely reflect the regulatory systems tension level especially caused by stress impact of physical exercise [5, 10], accompanied by high oxygen use by working muscles, higher CO2 emission (carbon dioxide) and metabolites [11]. That is why it is rather interesting to investigate circulatory dynamics and oxygen supply of the stress-test of girls with hypotension NCA type.
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