Automated synchrogram analysis applied to heartbeat and reconstructed respiration

Claudia Hamann; Ronny P. Bartsch; Aicko Y. Schumann; Thomas Penzel; Shlomo Havlin; Jan W. Kantelhardt

doi:10.1063/1.3096415

Automated synchrogram analysis applied to heartbeat and reconstructed respiration

Claudia Hamann, Ronny P. Bartsch, Aicko Y. Schumann, Thomas Penzel, Shlomo Havlin, Jan W. Kantelhardt

Department of Physics

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Phase synchronization between two weakly coupled oscillators has been studied in chaotic systems for a long time. However, it is difficult to unambiguously detect such synchronization in experimental data from complex physiological systems. In this paper we review our study of phase synchronization between heartbeat and respiration in 150 healthy subjects during sleep using an automated procedure for screening the synchrograms. We found that this synchronization is significantly enhanced during non-rapid-eye- movement (non-REM) sleep (deep sleep and light sleep) and is reduced during REM sleep. In addition, we show that the respiration signal can be reconstructed from the heartbeat recordings in many subjects. Our reconstruction procedure, which works particularly well during non-REM sleep, allows the detection of cardiorespiratory synchronization even if only heartbeat intervals were recorded.

Original language	English
Article number	015106
Journal	Chaos
Volume	19
Issue number	1
DOIs	https://doi.org/10.1063/1.3096415
State	Published - 2009

Bibliographical note

Funding Information:
We would like to acknowledge financial support from the European Union (project DAPHNet, Grant No. 018474-2), from Deutsche Forschungsgemeinschaft (DFG) (Grant Nos. KA 1676/3 and Pe628/3), and the Adar Foundation for advancing heart research at Bar-Ilan University. C.H. is particularly grateful to the Minerva Foundation for funding her visit to Bar-Ilan University.

Funding

We would like to acknowledge financial support from the European Union (project DAPHNet, Grant No. 018474-2), from Deutsche Forschungsgemeinschaft (DFG) (Grant Nos. KA 1676/3 and Pe628/3), and the Adar Foundation for advancing heart research at Bar-Ilan University. C.H. is particularly grateful to the Minerva Foundation for funding her visit to Bar-Ilan University.

Funders	Funder number
European Commission	018474-2
Minerva Foundation
Deutsche Forschungsgemeinschaft

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title = "Automated synchrogram analysis applied to heartbeat and reconstructed respiration",

abstract = "Phase synchronization between two weakly coupled oscillators has been studied in chaotic systems for a long time. However, it is difficult to unambiguously detect such synchronization in experimental data from complex physiological systems. In this paper we review our study of phase synchronization between heartbeat and respiration in 150 healthy subjects during sleep using an automated procedure for screening the synchrograms. We found that this synchronization is significantly enhanced during non-rapid-eye- movement (non-REM) sleep (deep sleep and light sleep) and is reduced during REM sleep. In addition, we show that the respiration signal can be reconstructed from the heartbeat recordings in many subjects. Our reconstruction procedure, which works particularly well during non-REM sleep, allows the detection of cardiorespiratory synchronization even if only heartbeat intervals were recorded.",

author = "Claudia Hamann and Bartsch, {Ronny P.} and Schumann, {Aicko Y.} and Thomas Penzel and Shlomo Havlin and Kantelhardt, {Jan W.}",

note = "Funding Information: We would like to acknowledge financial support from the European Union (project DAPHNet, Grant No. 018474-2), from Deutsche Forschungsgemeinschaft (DFG) (Grant Nos. KA 1676/3 and Pe628/3), and the Adar Foundation for advancing heart research at Bar-Ilan University. C.H. is particularly grateful to the Minerva Foundation for funding her visit to Bar-Ilan University. ",

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AU - Penzel, Thomas

AU - Havlin, Shlomo

AU - Kantelhardt, Jan W.

N1 - Funding Information: We would like to acknowledge financial support from the European Union (project DAPHNet, Grant No. 018474-2), from Deutsche Forschungsgemeinschaft (DFG) (Grant Nos. KA 1676/3 and Pe628/3), and the Adar Foundation for advancing heart research at Bar-Ilan University. C.H. is particularly grateful to the Minerva Foundation for funding her visit to Bar-Ilan University.

PY - 2009

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Automated synchrogram analysis applied to heartbeat and reconstructed respiration

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