Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1038/s41598-017-16350-0 http://hdl.handle.net/11449/163515 |
Resumo: | Beat-to-beat variation in heart rate (fH) has been used as a tool for elucidating the balance between sympathetic and parasympathetic modulation of the heart. A portion of the temporal changes in fH is evidenced by a respiratory influence (cardiorespiratory interaction) on heart rate variability (HRV) with heartbeats increasing and decreasing within a respiratory cycle. Nevertheless, little is known about respiratory effects on HRV in lower vertebrates. By using frequency domain analysis, we provide the first evidence of a ventilatory component in HRV similar to mammalian respiratory sinus arrhythmia in an amphibian, the toad Rhinella schneideri. Increases in the heartbeats arose synchronously with each lung inflation cycle, an intermittent breathing pattern comprised of a series of successive lung inflations. A well-marked peak in the HRV signal matching lung inflation cycle was verified in toads whenever lung inflation cycles exhibit a regular rhythm. The cardiac beat-to-beat variation evoked at the moment of lung inflation accounts for both vagal and sympathetic influences. This cardiorespiratory interaction may arise from interactions between central and peripheral feedback mechanisms governing cardiorespiratory control and may underlie important cardiorespiratory adjustments for gas exchange improvement especially under extreme conditions like low oxygen availability. |
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Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideriBeat-to-beat variation in heart rate (fH) has been used as a tool for elucidating the balance between sympathetic and parasympathetic modulation of the heart. A portion of the temporal changes in fH is evidenced by a respiratory influence (cardiorespiratory interaction) on heart rate variability (HRV) with heartbeats increasing and decreasing within a respiratory cycle. Nevertheless, little is known about respiratory effects on HRV in lower vertebrates. By using frequency domain analysis, we provide the first evidence of a ventilatory component in HRV similar to mammalian respiratory sinus arrhythmia in an amphibian, the toad Rhinella schneideri. Increases in the heartbeats arose synchronously with each lung inflation cycle, an intermittent breathing pattern comprised of a series of successive lung inflations. A well-marked peak in the HRV signal matching lung inflation cycle was verified in toads whenever lung inflation cycles exhibit a regular rhythm. The cardiac beat-to-beat variation evoked at the moment of lung inflation accounts for both vagal and sympathetic influences. This cardiorespiratory interaction may arise from interactions between central and peripheral feedback mechanisms governing cardiorespiratory control and may underlie important cardiorespiratory adjustments for gas exchange improvement especially under extreme conditions like low oxygen availability.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Sao Paulo State Univ, Coll Agr & Vet Sci, Dept Anim Morphol & Physiol, BR-14884900 Jaboticabal, SP, BrazilUniv Fed Sao Carlos, Dept Physiol Sci, Sao Carlos, SP, BrazilWright State Univ, Dept Biol Sci, Dayton, OH 45435 USANatl Inst Sci & Technol Comparat Physiol INCT Fis, Jaboticabal, SP, BrazilUniv Sao Paulo, Ribeirao Preto Med Sch, Dept Physiol, Ribeirao Preto, SP, BrazilSao Paulo State Univ, Coll Agr & Vet Sci, Dept Anim Morphol & Physiol, BR-14884900 Jaboticabal, SP, BrazilFAPESP: 08/57712-4FAPESP: 2012/17379-0FAPESP: 2013/17606-9FAPESP: 2014/12190-1Nature Publishing GroupUniversidade Estadual Paulista (Unesp)Universidade Federal de São Carlos (UFSCar)Wright State UnivNatl Inst Sci & Technol Comparat Physiol INCT FisUniversidade de São Paulo (USP)Zena, Lucas A. [UNESP]Leite, Cleo A. C.Longhini, Leonardo S. [UNESP]Dias, Daniel P. M.Silva, Glauber S. F. da [UNESP]Hartzler, Lynn K.Gargaglioni, Luciane H. [UNESP]Bicego, Kenia C. [UNESP]2018-11-26T17:42:21Z2018-11-26T17:42:21Z2017-11-23info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10application/pdfhttp://dx.doi.org/10.1038/s41598-017-16350-0Scientific Reports. London: Nature Publishing Group, v. 7, 10 p., 2017.2045-2322http://hdl.handle.net/11449/16351510.1038/s41598-017-16350-0WOS:000416129200031WOS000416129200031.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengScientific Reports1,533info:eu-repo/semantics/openAccess2024-06-06T18:42:14Zoai:repositorio.unesp.br:11449/163515Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-06-06T18:42:14Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
title |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
spellingShingle |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri Zena, Lucas A. [UNESP] |
title_short |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
title_full |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
title_fullStr |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
title_full_unstemmed |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
title_sort |
Analysis of the respiratory component of heart rate variability in the Cururu toad Rhinella schneideri |
author |
Zena, Lucas A. [UNESP] |
author_facet |
Zena, Lucas A. [UNESP] Leite, Cleo A. C. Longhini, Leonardo S. [UNESP] Dias, Daniel P. M. Silva, Glauber S. F. da [UNESP] Hartzler, Lynn K. Gargaglioni, Luciane H. [UNESP] Bicego, Kenia C. [UNESP] |
author_role |
author |
author2 |
Leite, Cleo A. C. Longhini, Leonardo S. [UNESP] Dias, Daniel P. M. Silva, Glauber S. F. da [UNESP] Hartzler, Lynn K. Gargaglioni, Luciane H. [UNESP] Bicego, Kenia C. [UNESP] |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Federal de São Carlos (UFSCar) Wright State Univ Natl Inst Sci & Technol Comparat Physiol INCT Fis Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Zena, Lucas A. [UNESP] Leite, Cleo A. C. Longhini, Leonardo S. [UNESP] Dias, Daniel P. M. Silva, Glauber S. F. da [UNESP] Hartzler, Lynn K. Gargaglioni, Luciane H. [UNESP] Bicego, Kenia C. [UNESP] |
description |
Beat-to-beat variation in heart rate (fH) has been used as a tool for elucidating the balance between sympathetic and parasympathetic modulation of the heart. A portion of the temporal changes in fH is evidenced by a respiratory influence (cardiorespiratory interaction) on heart rate variability (HRV) with heartbeats increasing and decreasing within a respiratory cycle. Nevertheless, little is known about respiratory effects on HRV in lower vertebrates. By using frequency domain analysis, we provide the first evidence of a ventilatory component in HRV similar to mammalian respiratory sinus arrhythmia in an amphibian, the toad Rhinella schneideri. Increases in the heartbeats arose synchronously with each lung inflation cycle, an intermittent breathing pattern comprised of a series of successive lung inflations. A well-marked peak in the HRV signal matching lung inflation cycle was verified in toads whenever lung inflation cycles exhibit a regular rhythm. The cardiac beat-to-beat variation evoked at the moment of lung inflation accounts for both vagal and sympathetic influences. This cardiorespiratory interaction may arise from interactions between central and peripheral feedback mechanisms governing cardiorespiratory control and may underlie important cardiorespiratory adjustments for gas exchange improvement especially under extreme conditions like low oxygen availability. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-11-23 2018-11-26T17:42:21Z 2018-11-26T17:42:21Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1038/s41598-017-16350-0 Scientific Reports. London: Nature Publishing Group, v. 7, 10 p., 2017. 2045-2322 http://hdl.handle.net/11449/163515 10.1038/s41598-017-16350-0 WOS:000416129200031 WOS000416129200031.pdf |
url |
http://dx.doi.org/10.1038/s41598-017-16350-0 http://hdl.handle.net/11449/163515 |
identifier_str_mv |
Scientific Reports. London: Nature Publishing Group, v. 7, 10 p., 2017. 2045-2322 10.1038/s41598-017-16350-0 WOS:000416129200031 WOS000416129200031.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Scientific Reports 1,533 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
10 application/pdf |
dc.publisher.none.fl_str_mv |
Nature Publishing Group |
publisher.none.fl_str_mv |
Nature Publishing Group |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1803045510807814144 |