Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UCB |
Texto Completo: | https://bdtd.ucb.br:8443/jspui/handle/tede/2594 |
Resumo: | Heart rate variability (HRV) is a non-invasive method of autonomic nervous system (ANS) evaluation that reflects the ANS influences on cardiac rhythm. HRV is widely used and can be recorded in different conditions (e.g. exercise, rest, supine, seated, standing) depending on the application intended context. However, several physiological and environmental factors affect HRV values and may affect its reliability. HRV reliability and associations with physiologic and behavioral aspects were previously investigated, in different populations, recording conditions, and temporal scales. However, the traditional ways of reliability and associations investigation may have underestimated the measurement errors or sensibility of HRV, by using only two days in reliability comparisons and by using only one day in correlational analysis. Thus, the present study recorded HRV for five days, in four experimental conditions (walking, supine rest, seated rest, and standing), in a sample of 34 healthy young adults (19 men, ~22??4 years). Aerobic fitness (VO2max), bod fat percentage (Fat%), and habitual physical activity (EE, and MVPA) were also recorded for correlational analysis with five days mean of HRV measures. Good to moderate reliability was achieved during supine rest and walking recordings, while moderate reliability was achieved during seated and standing recordings. Except for SampEn, and DFA??1 nonlinear HRV metrics, that presented poor reliability in almost all recording conditions. VFC associations with VO2max, Fat%, EE, and MVPA were observed in all recording conditions, with higher correlations during walking. HRV reliability values of the present study were lower than the previously reported, while magnitude of associations in present study were higher than the previously reported. The studied population and the number of recording days seems to be the main factors impacting on reliability values, while the averaging of five-day recordings of HRV seems to be a superior method to improve sensibility of associations in this population. SDNN and HF during supine rest, RR and LF during walking recordings showed to be the best alternatives for the daily monitoring of HRV, while SampEn and DFA??1 didn???t presented adequate reliability for this purpose. |
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Biblioteca Digital de Teses e Dissertações da UCB |
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Boullosa, Daniel A.http://lattes.cnpq.br/9059576682332603http://lattes.cnpq.br/6960443512482219Medeiros, Andr?? Ricarte C. A.2019-05-29T20:42:26Z2019-02-28MEDEIROS, Andr?? Ricarte C. A. Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas. 2019. 44 f. Disserta????o (Programa Stricto Sensu em Educa????o F??sica) - Universidade Cat??lica de Bras??lia, Bras??lia, 2019.https://bdtd.ucb.br:8443/jspui/handle/tede/2594Heart rate variability (HRV) is a non-invasive method of autonomic nervous system (ANS) evaluation that reflects the ANS influences on cardiac rhythm. HRV is widely used and can be recorded in different conditions (e.g. exercise, rest, supine, seated, standing) depending on the application intended context. However, several physiological and environmental factors affect HRV values and may affect its reliability. HRV reliability and associations with physiologic and behavioral aspects were previously investigated, in different populations, recording conditions, and temporal scales. However, the traditional ways of reliability and associations investigation may have underestimated the measurement errors or sensibility of HRV, by using only two days in reliability comparisons and by using only one day in correlational analysis. Thus, the present study recorded HRV for five days, in four experimental conditions (walking, supine rest, seated rest, and standing), in a sample of 34 healthy young adults (19 men, ~22??4 years). Aerobic fitness (VO2max), bod fat percentage (Fat%), and habitual physical activity (EE, and MVPA) were also recorded for correlational analysis with five days mean of HRV measures. Good to moderate reliability was achieved during supine rest and walking recordings, while moderate reliability was achieved during seated and standing recordings. Except for SampEn, and DFA??1 nonlinear HRV metrics, that presented poor reliability in almost all recording conditions. VFC associations with VO2max, Fat%, EE, and MVPA were observed in all recording conditions, with higher correlations during walking. HRV reliability values of the present study were lower than the previously reported, while magnitude of associations in present study were higher than the previously reported. The studied population and the number of recording days seems to be the main factors impacting on reliability values, while the averaging of five-day recordings of HRV seems to be a superior method to improve sensibility of associations in this population. SDNN and HF during supine rest, RR and LF during walking recordings showed to be the best alternatives for the daily monitoring of HRV, while SampEn and DFA??1 didn???t presented adequate reliability for this purpose.Variabilidade da frequ??ncia card??aca (VFC) ?? um m??todo n??o invasivo de avalia????o do sistema nervoso aut??nomo e da sua influ??ncia no ritmo card??aco. VFC pode ser registrada em diferentes condi????es (e.g. exerc??cio ou repouso), dependendo do contexto de aplica????o. Entretanto, m??ltiplos fatores, fisiol??gicos ou ambientais, podem afetar agudamente os valores de VFC e, possivelmente, a sua confiabilidade. A confiabilidade da VFC j?? foi investigada em v??rias popula????es, condi????es de registro e escalas temporais. Por??m, os modelos de an??lise tradicionais podem ter subestimado o erro associado ??s medidas de VFC existentes ao longo de uma semana, ou deixado de lado condi????es de registro relevantes como a VFC durante exerc??cio subm??ximo, resultando em uma confiabilidade superestimada. Al??m disso, a real magnitude das associa????es da VFC com aspectos biol??gicos e comportamentais modific??veis pode ter tamb??m sido subestimada pelos m??todos tradicionais de investiga????o, que utilizam apenas um dia de registro da VFC. No intuito de esclarecer melhor estas quest??es, o presente estudo registrou a VFC de 34 adultos jovens (19 homens), saud??veis, com 22??4 anos de idade, ao longo de cinco dias consecutivos, durante caminhada, repouso supino, sentado e em posi????o ortost??tica para, utilizando o coeficiente de correla????o intraclasse (CCI) e erro padr??o de medida (EPM), investigar a confiabilidade das medidas de VFC. Tamb??m foram registrados o percentual de gordura (%G), a aptid??o aer??bica (VO2max), o gasto cal??rico (GC) e o tempo em atividade f??sica moderada ?? vigorosa (AFMV) na mesma semana, para testar correla????es com a m??dia dos cinco dias de registro da VFC. Foram determinadas boa a moderada confiabilidade das medidas de VFC em repouso supino e durante caminhada, moderada confiabilidade das medidas de VFC durante repouso sentado e durante posi????o ortost??tica, exceto para os ??ndices SampEn e DFA??1 do dom??nio n??o linear, que apresentaram confiabilidades inferiores em todas as condi????es de registro. Associa????es entre VFC, aptid??o f??sica e AF foram observadas em todas as condi????es de registro, com correla????es de maior magnitude durante caminhada, em compara????o ao repouso. Em geral a confiabilidade da VFC apresentou valores menores que os reportados na literatura, enquanto as correla????es apresentaram maiores magnitudes do que o anteriormente reportado. A popula????o estudada e a quantidade de dias de registro parecem ser os principais fatores a impactar a confiabilidade da VFC. A utiliza????o da m??dia de v??rios dias de registros de VFC parece ser um m??todo superior em identificar associa????es com aspectos biol??gicos e comportamentais na popula????o estudada. Os ??ndices SDNN e HF em repouso supino e os ??ndices RR e LF durante caminhada parecem ser as melhores alternativas, entre os ??ndices estudados, para o monitoramento di??rio da VFC, enquanto os ??ndices SampEn e DFA??1 n??o apresentaram confiabilidade adequada para monitoramento da VFC na maioria das condi????es de registro investigadas.Submitted by Sara Ribeiro (sara.ribeiro@ucb.br) on 2019-05-29T20:42:16Z No. of bitstreams: 1 AndreRicarteC.A.MedeirosDissertacao2019.pdf: 2254938 bytes, checksum: fd846f1dffd0a2d9493e38750b000882 (MD5)Approved for entry into archive by Sara Ribeiro (sara.ribeiro@ucb.br) on 2019-05-29T20:42:26Z (GMT) No. of bitstreams: 1 AndreRicarteC.A.MedeirosDissertacao2019.pdf: 2254938 bytes, checksum: fd846f1dffd0a2d9493e38750b000882 (MD5)Made available in DSpace on 2019-05-29T20:42:26Z (GMT). No. of bitstreams: 1 AndreRicarteC.A.MedeirosDissertacao2019.pdf: 2254938 bytes, checksum: fd846f1dffd0a2d9493e38750b000882 (MD5) Previous issue date: 2019-02-28application/pdfhttps://bdtd.ucb.br:8443/jspui/retrieve/6465/AndreRicarteC.A.MedeirosDissertacao2019.pdf.jpgporUniversidade Cat??lica de Bras??liaPrograma Stricto Sensu em Educa????o F??sicaUCBBrasilEscola de Sa??de e MedicinaExerc??cios f??sicosExerc??cios aer??bicosSistema nervoso aut??nomoAutonomic nervous systemPhysical exerciseAerobic fitnessCNPQ::CIENCIAS DA SAUDE::EDUCACAO FISICAConfiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturasinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UCBinstname:Universidade Católica de Brasília (UCB)instacron:UCBORIGINALAndreRicarteC.A.MedeirosDissertacao2019.pdfAndreRicarteC.A.MedeirosDissertacao2019.pdfapplication/pdf2254938https://200.214.135.178:8443/jspui/bitstream/tede/2594/2/AndreRicarteC.A.MedeirosDissertacao2019.pdffd846f1dffd0a2d9493e38750b000882MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-81831https://200.214.135.178:8443/jspui/bitstream/tede/2594/1/license.txtd7d5e5ec75089f122abe937645a56120MD51TEXTAndreRicarteC.A.MedeirosDissertacao2019.pdf.txtAndreRicarteC.A.MedeirosDissertacao2019.pdf.txttext/plain110800https://200.214.135.178:8443/jspui/bitstream/tede/2594/3/AndreRicarteC.A.MedeirosDissertacao2019.pdf.txt552c13df6f4075a00406f638519b3f97MD53THUMBNAILAndreRicarteC.A.MedeirosDissertacao2019.pdf.jpgAndreRicarteC.A.MedeirosDissertacao2019.pdf.jpgimage/jpeg5678https://200.214.135.178:8443/jspui/bitstream/tede/2594/4/AndreRicarteC.A.MedeirosDissertacao2019.pdf.jpgbd1b352083dcf1128099aff1c5b8c0b4MD54tede/25942019-05-30 01:06:40.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Biblioteca Digital de Teses e Dissertaçõeshttps://bdtd.ucb.br:8443/jspui/ |
dc.title.por.fl_str_mv |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
title |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
spellingShingle |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas Medeiros, Andr?? Ricarte C. A. Exerc??cios f??sicos Exerc??cios aer??bicos Sistema nervoso aut??nomo Autonomic nervous system Physical exercise Aerobic fitness CNPQ::CIENCIAS DA SAUDE::EDUCACAO FISICA |
title_short |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
title_full |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
title_fullStr |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
title_full_unstemmed |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
title_sort |
Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas |
author |
Medeiros, Andr?? Ricarte C. A. |
author_facet |
Medeiros, Andr?? Ricarte C. A. |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Boullosa, Daniel A. |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/9059576682332603 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6960443512482219 |
dc.contributor.author.fl_str_mv |
Medeiros, Andr?? Ricarte C. A. |
contributor_str_mv |
Boullosa, Daniel A. |
dc.subject.por.fl_str_mv |
Exerc??cios f??sicos Exerc??cios aer??bicos Sistema nervoso aut??nomo Autonomic nervous system Physical exercise Aerobic fitness |
topic |
Exerc??cios f??sicos Exerc??cios aer??bicos Sistema nervoso aut??nomo Autonomic nervous system Physical exercise Aerobic fitness CNPQ::CIENCIAS DA SAUDE::EDUCACAO FISICA |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS DA SAUDE::EDUCACAO FISICA |
dc.description.abstract.eng.fl_txt_mv |
Heart rate variability (HRV) is a non-invasive method of autonomic nervous system (ANS) evaluation that reflects the ANS influences on cardiac rhythm. HRV is widely used and can be recorded in different conditions (e.g. exercise, rest, supine, seated, standing) depending on the application intended context. However, several physiological and environmental factors affect HRV values and may affect its reliability. HRV reliability and associations with physiologic and behavioral aspects were previously investigated, in different populations, recording conditions, and temporal scales. However, the traditional ways of reliability and associations investigation may have underestimated the measurement errors or sensibility of HRV, by using only two days in reliability comparisons and by using only one day in correlational analysis. Thus, the present study recorded HRV for five days, in four experimental conditions (walking, supine rest, seated rest, and standing), in a sample of 34 healthy young adults (19 men, ~22??4 years). Aerobic fitness (VO2max), bod fat percentage (Fat%), and habitual physical activity (EE, and MVPA) were also recorded for correlational analysis with five days mean of HRV measures. Good to moderate reliability was achieved during supine rest and walking recordings, while moderate reliability was achieved during seated and standing recordings. Except for SampEn, and DFA??1 nonlinear HRV metrics, that presented poor reliability in almost all recording conditions. VFC associations with VO2max, Fat%, EE, and MVPA were observed in all recording conditions, with higher correlations during walking. HRV reliability values of the present study were lower than the previously reported, while magnitude of associations in present study were higher than the previously reported. The studied population and the number of recording days seems to be the main factors impacting on reliability values, while the averaging of five-day recordings of HRV seems to be a superior method to improve sensibility of associations in this population. SDNN and HF during supine rest, RR and LF during walking recordings showed to be the best alternatives for the daily monitoring of HRV, while SampEn and DFA??1 didn???t presented adequate reliability for this purpose. |
dc.description.abstract.por.fl_txt_mv |
Variabilidade da frequ??ncia card??aca (VFC) ?? um m??todo n??o invasivo de avalia????o do sistema nervoso aut??nomo e da sua influ??ncia no ritmo card??aco. VFC pode ser registrada em diferentes condi????es (e.g. exerc??cio ou repouso), dependendo do contexto de aplica????o. Entretanto, m??ltiplos fatores, fisiol??gicos ou ambientais, podem afetar agudamente os valores de VFC e, possivelmente, a sua confiabilidade. A confiabilidade da VFC j?? foi investigada em v??rias popula????es, condi????es de registro e escalas temporais. Por??m, os modelos de an??lise tradicionais podem ter subestimado o erro associado ??s medidas de VFC existentes ao longo de uma semana, ou deixado de lado condi????es de registro relevantes como a VFC durante exerc??cio subm??ximo, resultando em uma confiabilidade superestimada. Al??m disso, a real magnitude das associa????es da VFC com aspectos biol??gicos e comportamentais modific??veis pode ter tamb??m sido subestimada pelos m??todos tradicionais de investiga????o, que utilizam apenas um dia de registro da VFC. No intuito de esclarecer melhor estas quest??es, o presente estudo registrou a VFC de 34 adultos jovens (19 homens), saud??veis, com 22??4 anos de idade, ao longo de cinco dias consecutivos, durante caminhada, repouso supino, sentado e em posi????o ortost??tica para, utilizando o coeficiente de correla????o intraclasse (CCI) e erro padr??o de medida (EPM), investigar a confiabilidade das medidas de VFC. Tamb??m foram registrados o percentual de gordura (%G), a aptid??o aer??bica (VO2max), o gasto cal??rico (GC) e o tempo em atividade f??sica moderada ?? vigorosa (AFMV) na mesma semana, para testar correla????es com a m??dia dos cinco dias de registro da VFC. Foram determinadas boa a moderada confiabilidade das medidas de VFC em repouso supino e durante caminhada, moderada confiabilidade das medidas de VFC durante repouso sentado e durante posi????o ortost??tica, exceto para os ??ndices SampEn e DFA??1 do dom??nio n??o linear, que apresentaram confiabilidades inferiores em todas as condi????es de registro. Associa????es entre VFC, aptid??o f??sica e AF foram observadas em todas as condi????es de registro, com correla????es de maior magnitude durante caminhada, em compara????o ao repouso. Em geral a confiabilidade da VFC apresentou valores menores que os reportados na literatura, enquanto as correla????es apresentaram maiores magnitudes do que o anteriormente reportado. A popula????o estudada e a quantidade de dias de registro parecem ser os principais fatores a impactar a confiabilidade da VFC. A utiliza????o da m??dia de v??rios dias de registros de VFC parece ser um m??todo superior em identificar associa????es com aspectos biol??gicos e comportamentais na popula????o estudada. Os ??ndices SDNN e HF em repouso supino e os ??ndices RR e LF durante caminhada parecem ser as melhores alternativas, entre os ??ndices estudados, para o monitoramento di??rio da VFC, enquanto os ??ndices SampEn e DFA??1 n??o apresentaram confiabilidade adequada para monitoramento da VFC na maioria das condi????es de registro investigadas. |
description |
Heart rate variability (HRV) is a non-invasive method of autonomic nervous system (ANS) evaluation that reflects the ANS influences on cardiac rhythm. HRV is widely used and can be recorded in different conditions (e.g. exercise, rest, supine, seated, standing) depending on the application intended context. However, several physiological and environmental factors affect HRV values and may affect its reliability. HRV reliability and associations with physiologic and behavioral aspects were previously investigated, in different populations, recording conditions, and temporal scales. However, the traditional ways of reliability and associations investigation may have underestimated the measurement errors or sensibility of HRV, by using only two days in reliability comparisons and by using only one day in correlational analysis. Thus, the present study recorded HRV for five days, in four experimental conditions (walking, supine rest, seated rest, and standing), in a sample of 34 healthy young adults (19 men, ~22??4 years). Aerobic fitness (VO2max), bod fat percentage (Fat%), and habitual physical activity (EE, and MVPA) were also recorded for correlational analysis with five days mean of HRV measures. Good to moderate reliability was achieved during supine rest and walking recordings, while moderate reliability was achieved during seated and standing recordings. Except for SampEn, and DFA??1 nonlinear HRV metrics, that presented poor reliability in almost all recording conditions. VFC associations with VO2max, Fat%, EE, and MVPA were observed in all recording conditions, with higher correlations during walking. HRV reliability values of the present study were lower than the previously reported, while magnitude of associations in present study were higher than the previously reported. The studied population and the number of recording days seems to be the main factors impacting on reliability values, while the averaging of five-day recordings of HRV seems to be a superior method to improve sensibility of associations in this population. SDNN and HF during supine rest, RR and LF during walking recordings showed to be the best alternatives for the daily monitoring of HRV, while SampEn and DFA??1 didn???t presented adequate reliability for this purpose. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-05-29T20:42:26Z |
dc.date.issued.fl_str_mv |
2019-02-28 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
status_str |
publishedVersion |
format |
masterThesis |
dc.identifier.citation.fl_str_mv |
MEDEIROS, Andr?? Ricarte C. A. Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas. 2019. 44 f. Disserta????o (Programa Stricto Sensu em Educa????o F??sica) - Universidade Cat??lica de Bras??lia, Bras??lia, 2019. |
dc.identifier.uri.fl_str_mv |
https://bdtd.ucb.br:8443/jspui/handle/tede/2594 |
identifier_str_mv |
MEDEIROS, Andr?? Ricarte C. A. Confiabilidade da variabilidade da frequ??ncia card??aca durante caminhada e repouso em diferentes posturas. 2019. 44 f. Disserta????o (Programa Stricto Sensu em Educa????o F??sica) - Universidade Cat??lica de Bras??lia, Bras??lia, 2019. |
url |
https://bdtd.ucb.br:8443/jspui/handle/tede/2594 |
dc.language.iso.fl_str_mv |
por |
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por |
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Universidade Cat??lica de Bras??lia |
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Programa Stricto Sensu em Educa????o F??sica |
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UCB |
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Brasil |
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Escola de Sa??de e Medicina |
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Universidade Cat??lica de Bras??lia |
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Universidade Católica de Brasília (UCB) |
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UCB |
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UCB |
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Biblioteca Digital de Teses e Dissertações da UCB |
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Biblioteca Digital de Teses e Dissertações da UCB |
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