Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.2147/COPD.S15099 http://hdl.handle.net/11449/7063 |
Resumo: | Background: It was reported that autonomic nervous system function is altered in subjects with chronic obstructive pulmonary disease (COPD). We evaluated short-and long-term fractal exponents of heart rate variability (HRV) in COPD subjects.Patients and methods: We analyzed data from 30 volunteers, who were divided into two groups according to spirometric values: COPD (n = 15) and control (n = 15). For analysis of HRV indices, HRV was recorded beat by beat with the volunteers in the supine position for 30 minutes. We analyzed the linear indices in the time (SDNN [standard deviation of normal to normal] and RMSSD [root-mean square of differences]) and frequency domains (low frequency [LF], high frequency [HF], and LF/HF), and the short-and long-term fractal exponents were obtained by detrended fluctuation analysis. We considered P < 0.05 to be a significant difference.Results: COPD patients presented reduced levels of all linear exponents and decreased short-term fractal exponent (alpha-1: 0.899 +/- 0.18 versus 1.025 +/- 0.09, P = 0.026). There was no significant difference between COPD and control groups in alpha-2 and alpha-1/alpha-2 ratio.Conclusion: COPD subjects present reduced short-term fractal correlation properties of HRV, which indicates that this index can be used for risk stratification, assessment of systemic disease manifestations, and therapeutic procedures to monitor those patients. |
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Fractal correlation property of heart rate variability in chronic obstructive pulmonary diseasepulmonary diseasechronic obstructiveheart ratenervous systemcardiologyBackground: It was reported that autonomic nervous system function is altered in subjects with chronic obstructive pulmonary disease (COPD). We evaluated short-and long-term fractal exponents of heart rate variability (HRV) in COPD subjects.Patients and methods: We analyzed data from 30 volunteers, who were divided into two groups according to spirometric values: COPD (n = 15) and control (n = 15). For analysis of HRV indices, HRV was recorded beat by beat with the volunteers in the supine position for 30 minutes. We analyzed the linear indices in the time (SDNN [standard deviation of normal to normal] and RMSSD [root-mean square of differences]) and frequency domains (low frequency [LF], high frequency [HF], and LF/HF), and the short-and long-term fractal exponents were obtained by detrended fluctuation analysis. We considered P < 0.05 to be a significant difference.Results: COPD patients presented reduced levels of all linear exponents and decreased short-term fractal exponent (alpha-1: 0.899 +/- 0.18 versus 1.025 +/- 0.09, P = 0.026). There was no significant difference between COPD and control groups in alpha-2 and alpha-1/alpha-2 ratio.Conclusion: COPD subjects present reduced short-term fractal correlation properties of HRV, which indicates that this index can be used for risk stratification, assessment of systemic disease manifestations, and therapeutic procedures to monitor those patients.Fundação para o Desenvolvimento da UNESP (FUNDUNESP)Univ Estadual Paulista, Fac Ciencias & Tecnol, Dept Fisioterapia, São Paulo, BrazilUniv Fed São Paulo, Disciplina Cardiol, Dept Med, São Paulo, BrazilFaculdade de Medicina de São José do Rio Preto (FAMERP), Dept Cardiol & Cirurgia Cardiovasc, São Paulo, BrazilUniversidade Estadual de Londrina (UEL), Lab Pesquisa Fisioterapia Pulm, Dept Fisioterapia, Londrina, BrazilFac Med ABC, Dept Morfol & Fisiol, Santo Andre, BrazilUniv Estadual Paulista, Fac Ciencias & Tecnol, Dept Fisioterapia, São Paulo, BrazilFUNDUNESP: 00704/08-DFPDove Medical Press LtdUniversidade Estadual Paulista (Unesp)Universidade Federal de São Paulo (UNIFESP)Faculdade de Medicina de São José do Rio Preto (FAMERP)Universidade Estadual de Londrina (UEL)Fac Med ABCCarvalho, Tatiana D. [UNESP]Pastre, Carlos Marcelo [UNESP]de Godoy, Moacir FernandesFereira, CelsoPitta, Fabio O. [UNESP]de Abreu, Luiz CarlosCipulo Ramos, Ercy Mara [UNESP]Valenti, Vitor E.Marques Vanderlei, Luiz Carlos [UNESP]2014-05-20T13:23:25Z2014-05-20T13:23:25Z2011-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article23-28application/pdfhttp://dx.doi.org/10.2147/COPD.S15099International Journal of Chronic Obstructive Pulmonary Disease. Albany: Dove Medical Press Ltd, v. 6, p. 23-28, 2011.1176-9106http://hdl.handle.net/11449/706310.2147/COPD.S15099WOS:000208709800003WOS000208709800003.pdf276139654405860698010612581495635860525135106995Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengInternational Journal of Chronic Obstructive Pulmonary Disease1,395info:eu-repo/semantics/openAccess2024-06-18T18:44:14Zoai:repositorio.unesp.br:11449/7063Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:09:28.646421Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
title |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
spellingShingle |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease Carvalho, Tatiana D. [UNESP] pulmonary disease chronic obstructive heart rate nervous system cardiology |
title_short |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
title_full |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
title_fullStr |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
title_full_unstemmed |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
title_sort |
Fractal correlation property of heart rate variability in chronic obstructive pulmonary disease |
author |
Carvalho, Tatiana D. [UNESP] |
author_facet |
Carvalho, Tatiana D. [UNESP] Pastre, Carlos Marcelo [UNESP] de Godoy, Moacir Fernandes Fereira, Celso Pitta, Fabio O. [UNESP] de Abreu, Luiz Carlos Cipulo Ramos, Ercy Mara [UNESP] Valenti, Vitor E. Marques Vanderlei, Luiz Carlos [UNESP] |
author_role |
author |
author2 |
Pastre, Carlos Marcelo [UNESP] de Godoy, Moacir Fernandes Fereira, Celso Pitta, Fabio O. [UNESP] de Abreu, Luiz Carlos Cipulo Ramos, Ercy Mara [UNESP] Valenti, Vitor E. Marques Vanderlei, Luiz Carlos [UNESP] |
author2_role |
author author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Federal de São Paulo (UNIFESP) Faculdade de Medicina de São José do Rio Preto (FAMERP) Universidade Estadual de Londrina (UEL) Fac Med ABC |
dc.contributor.author.fl_str_mv |
Carvalho, Tatiana D. [UNESP] Pastre, Carlos Marcelo [UNESP] de Godoy, Moacir Fernandes Fereira, Celso Pitta, Fabio O. [UNESP] de Abreu, Luiz Carlos Cipulo Ramos, Ercy Mara [UNESP] Valenti, Vitor E. Marques Vanderlei, Luiz Carlos [UNESP] |
dc.subject.por.fl_str_mv |
pulmonary disease chronic obstructive heart rate nervous system cardiology |
topic |
pulmonary disease chronic obstructive heart rate nervous system cardiology |
description |
Background: It was reported that autonomic nervous system function is altered in subjects with chronic obstructive pulmonary disease (COPD). We evaluated short-and long-term fractal exponents of heart rate variability (HRV) in COPD subjects.Patients and methods: We analyzed data from 30 volunteers, who were divided into two groups according to spirometric values: COPD (n = 15) and control (n = 15). For analysis of HRV indices, HRV was recorded beat by beat with the volunteers in the supine position for 30 minutes. We analyzed the linear indices in the time (SDNN [standard deviation of normal to normal] and RMSSD [root-mean square of differences]) and frequency domains (low frequency [LF], high frequency [HF], and LF/HF), and the short-and long-term fractal exponents were obtained by detrended fluctuation analysis. We considered P < 0.05 to be a significant difference.Results: COPD patients presented reduced levels of all linear exponents and decreased short-term fractal exponent (alpha-1: 0.899 +/- 0.18 versus 1.025 +/- 0.09, P = 0.026). There was no significant difference between COPD and control groups in alpha-2 and alpha-1/alpha-2 ratio.Conclusion: COPD subjects present reduced short-term fractal correlation properties of HRV, which indicates that this index can be used for risk stratification, assessment of systemic disease manifestations, and therapeutic procedures to monitor those patients. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-01-01 2014-05-20T13:23:25Z 2014-05-20T13:23:25Z |
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/10.2147/COPD.S15099 International Journal of Chronic Obstructive Pulmonary Disease. Albany: Dove Medical Press Ltd, v. 6, p. 23-28, 2011. 1176-9106 http://hdl.handle.net/11449/7063 10.2147/COPD.S15099 WOS:000208709800003 WOS000208709800003.pdf 2761396544058606 9801061258149563 5860525135106995 |
url |
http://dx.doi.org/10.2147/COPD.S15099 http://hdl.handle.net/11449/7063 |
identifier_str_mv |
International Journal of Chronic Obstructive Pulmonary Disease. Albany: Dove Medical Press Ltd, v. 6, p. 23-28, 2011. 1176-9106 10.2147/COPD.S15099 WOS:000208709800003 WOS000208709800003.pdf 2761396544058606 9801061258149563 5860525135106995 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
International Journal of Chronic Obstructive Pulmonary Disease 1,395 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
23-28 application/pdf |
dc.publisher.none.fl_str_mv |
Dove Medical Press Ltd |
publisher.none.fl_str_mv |
Dove Medical Press Ltd |
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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1808129026967994368 |