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dc.creatorMatic, Zoran
dc.creatorPlatisa, Mirjana M.
dc.creatorKalauzi, Aleksandar
dc.creatorBojic, Tijana
dc.date.accessioned2022-04-05T15:24:39Z
dc.date.available2022-04-05T15:24:39Z
dc.date.issued2020
dc.identifier.issn1664-042X
dc.identifier.urihttp://rimsi.imsi.bg.ac.rs/handle/123456789/1293
dc.description.abstractObjective: We explored the physiological background of the non-linear operating mode of cardiorespiratory oscillators as the fundamental question of cardiorespiratory homeodynamics and as a prerequisite for the understanding of neurocardiovascular diseases. We investigated 20 healthy human subjects for changes using electrocardiac RR interval (RRI) and respiratory signal (Resp) Detrended Fluctuation Analysis (DFA, alpha(1RRI), alpha(2RRI), alpha(1Resp), alpha(2Resp)), Multiple Scaling Entropy (MSERRI1-4, MSERRI5-10, MSEResp1-4, MSEResp5-10), spectral coherence (Coh(RRI-Resp)), cross DFA (rho(1) and rho(2)) and cross MSE (XMSE1-4 and XMSE5-10) indices in four physiological conditions: supine with spontaneous breathing, standing with spontaneous breathing, supine with 0.1 Hz breathing and standing with 0.1 Hz breathing. Main results: Standing is primarily characterized by the change of RRI parameters, insensitivity to change with respiratory parameters, decrease of Coh(RRI-Resp) and insensitivity to change of in rho(1), rho(2), XMSE1-4, and XMSE5-10. Slow breathing in supine position was characterized by the change of the linear and non-linear parameters of both signals, reflecting the dominant vagal RRI modulation and the impact of slow 0.1 Hz breathing on Resp parameters. Coh(RRI-Resp) did not change with respect to supine position, while rho(1) increased. Slow breathing in standing reflected the qualitatively specific state of autonomic regulation with striking impact on both cardiac and respiratory parameters, with specific patterns of cardiorespiratory coupling.en
dc.publisherFrontiers Media Sa, Lausanne
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/41028/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31020/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceFrontiers in Physiology
dc.subjectslow breathingen
dc.subjectRR interval variabilityen
dc.subjectrespiration rhythm variabilityen
dc.subjectorthostasisen
dc.subjectcomplexityen
dc.subjectcardiorespiratory couplingen
dc.titleSlow 0.1 Hz Breathing and Body Posture Induced Perturbations of RRI and Respiratory Signal Complexity and Cardiorespiratory Couplingen
dc.typearticle
dc.rights.licenseBY
dc.citation.other11: -
dc.citation.rankM21
dc.citation.volume11
dc.identifier.doi10.3389/fphys.2020.00024
dc.identifier.fulltexthttp://rimsi.imsi.bg.ac.rs/bitstream/id/238/1290.pdf
dc.identifier.pmid32132926
dc.identifier.scopus2-s2.0-85080921460
dc.identifier.wos000528059900001
dc.type.versionpublishedVersion


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