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Cardiorespiratory Dynamics During Respiratory Maneuver in Athletes

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Date 2023 Nov 29
PMID 38020241
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Abstract

The modern practice of sports medicine and medical rehabilitation requires the search for subtle criteria for the development of conditions and recovery of the body after diseases, which would have a prognostic value for the prevention of negative effects of training and rehabilitation tools, and also testify to the development and course of mechanisms for counteracting pathogenetic processes in the body. The purpose of this study was to determine the informative directions of the cardiorespiratory system parameters dynamics during the performing a maneuver with a change in breathing rate, which may indicate the body functional state violation. The results of the study of 183 healthy men aged 21.2 ± 2.3 years who regularly engaged in various sports were analyzed. The procedure for studying the cardiorespiratory system included conducting combined measurements of indicators of activity of the respiratory and cardiovascular systems in a sitting position using a spiroarteriocardiograph device. The duration of the study was 6 min and involved the sequential registration of three measurements with a change in breathing rate (spontaneous breathing, breathing at 0.1 Hz and 0.25 Hz). Performing a breathing maneuver at breathing 0.1 Hz and breathing 0.25 Hz in comparison with spontaneous breathing leads to multidirectional significant changes in heart rate variability indicators-TP (ms), LF (ms), LFHF (ms/ms); of blood pressure variability indicators-TP (mmHg), LF (mmHg), LF (mmHg), HF (mmHg); of volume respiration variability indicators - LF, (L×min); HF, (L×min); LFHF, (L×min)/(L×min); of arterial baroreflex sensitivity indicators - BR (ms×mmHg), BR (ms×mmHg). Differences in indicators of systemic hemodynamics and indicators of cardiovascular and respiratory systems synchronization were also informative. According to the results of the study, it is shown that during performing a breathing maneuver with a change in the rate of breathing, there are significant changes in cardiorespiratory parameters, the analysis of which the increments made it possible to determine of the changes directions dynamics, their absolute values and informative limits regarding the possible occurrence of the cardiorespiratory interactions dysregulation.

Citing Articles

Peculiarities of cardio-respiratory relationships in qualified athletes with different types of heart rhythm regulation according to respiratory maneuver data.

Romanchuk O Front Sports Act Living. 2025; 6:1451643.

PMID: 39872494 PMC: 11769980. DOI: 10.3389/fspor.2024.1451643.

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