Effects of slow and regular breathing exercise on cardiopulmonary coupling and blood pressure

Investigation of the interaction between cardiovascular variables and respiration provides a quantitative and noninvasive approach to assess the autonomic control of cardiovascular function. The aim of this paper is to investigate the changes of cardiopulmonary coupling (CPC), blood pressure (BP) an...

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Published in:Medical & biological engineering & computing 2017-02, Vol.55 (2), p.327-341
Main Authors: Zhang, Zhengbo, Wang, Buqing, Wu, Hao, Chai, Xiaoke, Wang, Weidong, Peng, Chung-Kang
Format: Article
Language:English
Subjects:
Adult
Amplitudes
Biomedical and Life Sciences
Biomedical Engineering and Bioengineering
Biomedicine
Blood pressure
Blood Pressure - physiology
Breathing
Breathing Exercises
Cardiovascular disease
Cardiovascular system
Computer Applications
Coupling
Dynamic tests
Dynamics
Electrocardiography
Exercise Test
Experiments
FDA approval
Healthy Volunteers
Heart rate
Human Physiology
Humans
Imaging
Intervals
Investigations
Mathematical models
Original Article
Plethysmography
Pulse Wave Analysis - methods
Radiology
Respiration
Signal Processing, Computer-Assisted
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cited_by cdi_FETCH-LOGICAL-c481t-7047df1c7533eddd265ef6255dddd5311e269ad118abb175b20e83adb4005cbc3
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creator Zhang, Zhengbo
Wang, Buqing
Wu, Hao
Chai, Xiaoke
Wang, Weidong
Peng, Chung-Kang
description Investigation of the interaction between cardiovascular variables and respiration provides a quantitative and noninvasive approach to assess the autonomic control of cardiovascular function. The aim of this paper is to investigate the changes of cardiopulmonary coupling (CPC), blood pressure (BP) and pulse transit time (PTT) during a stepwise-paced breathing (SPB) procedure (spontaneous breathing followed by paced breathing at 14, 12.5, 11, 9.5, 8 and 7 breaths per minute, 3 min each) and gain insights into the characteristics of slow breathing exercises. RR interval, respiration, BP and PTT are collected during the SPB procedure (48 healthy subjects, 27 ± 6 years). CPC is assessed through investigating both the phase and amplitude dynamics between the respiration-induced components from RR interval and respiration by the approach of ensemble empirical mode decomposition. It was found that even though the phase synchronization and amplitude oscillation of CPC were both enhanced by the SPB procedure, phase coupling does not increase monotonically along with the amplitude oscillation during the whole procedure. Meanwhile, BP was reduced significantly by the SPB procedure (SBP: from 122.0 ± 13.4 to 114.2 ± 14.9 mmHg, p  
doi_str_mv 10.1007/s11517-016-1517-6
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Meanwhile, BP was reduced significantly by the SPB procedure (SBP: from 122.0 ± 13.4 to 114.2 ± 14.9 mmHg, p  &lt; 0.001, DBP: from 82.2 ± 8.6 to 77.0 ± 9.8 mmHg, p  &lt; 0.001, PTT: from 172.8 ± 20.1 to 176.8 ± 19.2 ms, p  &lt; 0.001). Our results demonstrate that the SPB procedure can reduce BP and lengthen PTT significantly. Compared with amplitude dynamics, phase dynamics is a different marker for CPC analysis in reflecting cardiorespiratory coherence during slow breathing exercise. Our study provides a methodology to practice slow breathing exercise, including the setting of target breathing rate, change of CPC and the importance of regular breathing. 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Meanwhile, BP was reduced significantly by the SPB procedure (SBP: from 122.0 ± 13.4 to 114.2 ± 14.9 mmHg, p  &lt; 0.001, DBP: from 82.2 ± 8.6 to 77.0 ± 9.8 mmHg, p  &lt; 0.001, PTT: from 172.8 ± 20.1 to 176.8 ± 19.2 ms, p  &lt; 0.001). Our results demonstrate that the SPB procedure can reduce BP and lengthen PTT significantly. Compared with amplitude dynamics, phase dynamics is a different marker for CPC analysis in reflecting cardiorespiratory coherence during slow breathing exercise. Our study provides a methodology to practice slow breathing exercise, including the setting of target breathing rate, change of CPC and the importance of regular breathing. The applications and usability of the study results have also been discussed.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>27193228</pmid><doi>10.1007/s11517-016-1517-6</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Amplitudes
Biomedical and Life Sciences
Biomedical Engineering and Bioengineering
Biomedicine
Blood pressure
Blood Pressure - physiology
Breathing
Breathing Exercises
Cardiovascular disease
Cardiovascular system
Computer Applications
Coupling
Dynamic tests
Dynamics
Electrocardiography
Exercise Test
Experiments
FDA approval
Healthy Volunteers
Heart rate
Human Physiology
Humans
Imaging
Intervals
Investigations
Mathematical models
Original Article
Plethysmography
Pulse Wave Analysis - methods
Radiology
Respiration
Signal Processing, Computer-Assisted
title Effects of slow and regular breathing exercise on cardiopulmonary coupling and blood pressure
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