Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Arquivos Brasileiros de Cardiologia (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2016000400311 |
Resumo: | Abstract Background: Numerous studies show the benefits of exercise training after myocardial infarction (MI). Nevertheless, the effects on function and remodeling are still controversial. Objectives: To evaluate, in patients after (MI), the effects of aerobic exercise of moderate intensity on ventricular remodeling by cardiac magnetic resonance imaging (CMR). Methods: 26 male patients, 52.9 ± 7.9 years, after a first MI, were assigned to groups: trained group (TG), 18; and control group (CG), 8. The TG performed supervised aerobic exercise on treadmill twice a week, and unsupervised sessions on 2 additional days per week, for at least 3 months. Laboratory tests, anthropometric measurements, resting heart rate (HR), exercise test, and CMR were conducted at baseline and follow-up. Results: The TG showed a 10.8% reduction in fasting blood glucose (p = 0.01), and a 7.3-bpm reduction in resting HR in both sitting and supine positions (p < 0.0001). There was an increase in oxygen uptake only in the TG (35.4 ± 8.1 to 49.1 ± 9.6 mL/kg/min, p < 0.0001). There was a statistically significant decrease in the TG left ventricular mass (LVmass) (128.7 ± 38.9 to 117.2 ± 27.2 g, p = 0.0032). There were no statistically significant changes in the values of left ventricular end-diastolic volume (LVEDV) and ejection fraction in the groups. The LVmass/EDV ratio demonstrated a statistically significant positive remodeling in the TG (p = 0.015). Conclusions: Aerobic exercise of moderate intensity improved physical capacity and other cardiovascular variables. A positive remodeling was identified in the TG, where a left ventricular diastolic dimension increase was associated with LVmass reduction. |
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Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic ResonanceExerciseRehabilitationMyocardial InfarctionMagnetic Resonance SpectroscopyAbstract Background: Numerous studies show the benefits of exercise training after myocardial infarction (MI). Nevertheless, the effects on function and remodeling are still controversial. Objectives: To evaluate, in patients after (MI), the effects of aerobic exercise of moderate intensity on ventricular remodeling by cardiac magnetic resonance imaging (CMR). Methods: 26 male patients, 52.9 ± 7.9 years, after a first MI, were assigned to groups: trained group (TG), 18; and control group (CG), 8. The TG performed supervised aerobic exercise on treadmill twice a week, and unsupervised sessions on 2 additional days per week, for at least 3 months. Laboratory tests, anthropometric measurements, resting heart rate (HR), exercise test, and CMR were conducted at baseline and follow-up. Results: The TG showed a 10.8% reduction in fasting blood glucose (p = 0.01), and a 7.3-bpm reduction in resting HR in both sitting and supine positions (p < 0.0001). There was an increase in oxygen uptake only in the TG (35.4 ± 8.1 to 49.1 ± 9.6 mL/kg/min, p < 0.0001). There was a statistically significant decrease in the TG left ventricular mass (LVmass) (128.7 ± 38.9 to 117.2 ± 27.2 g, p = 0.0032). There were no statistically significant changes in the values of left ventricular end-diastolic volume (LVEDV) and ejection fraction in the groups. The LVmass/EDV ratio demonstrated a statistically significant positive remodeling in the TG (p = 0.015). Conclusions: Aerobic exercise of moderate intensity improved physical capacity and other cardiovascular variables. A positive remodeling was identified in the TG, where a left ventricular diastolic dimension increase was associated with LVmass reduction.Sociedade Brasileira de Cardiologia - SBC2016-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2016000400311Arquivos Brasileiros de Cardiologia v.106 n.4 2016reponame:Arquivos Brasileiros de Cardiologia (Online)instname:Sociedade Brasileira de Cardiologia (SBC)instacron:SBC10.5935/abc.20160031info:eu-repo/semantics/openAccessIzeli,Nataly LinoSantos,Aurélia Juliana dosCrescêncio,Júlio CésarGonçalves,Ana Clara Campagnolo RealPapa,ValériaMarques,FabianaPazin-Filho,AntônioGallo-Júnior,LourençoSchmidt,Andréeng2016-04-29T00:00:00Zoai:scielo:S0066-782X2016000400311Revistahttp://www.arquivosonline.com.br/https://old.scielo.br/oai/scielo-oai.php||arquivos@cardiol.br1678-41700066-782Xopendoar:2016-04-29T00:00Arquivos Brasileiros de Cardiologia (Online) - Sociedade Brasileira de Cardiologia (SBC)false |
dc.title.none.fl_str_mv |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
title |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
spellingShingle |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance Izeli,Nataly Lino Exercise Rehabilitation Myocardial Infarction Magnetic Resonance Spectroscopy |
title_short |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
title_full |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
title_fullStr |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
title_full_unstemmed |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
title_sort |
Aerobic Training after Myocardial Infarction: Remodeling Evaluated by Cardiac Magnetic Resonance |
author |
Izeli,Nataly Lino |
author_facet |
Izeli,Nataly Lino Santos,Aurélia Juliana dos Crescêncio,Júlio César Gonçalves,Ana Clara Campagnolo Real Papa,Valéria Marques,Fabiana Pazin-Filho,Antônio Gallo-Júnior,Lourenço Schmidt,André |
author_role |
author |
author2 |
Santos,Aurélia Juliana dos Crescêncio,Júlio César Gonçalves,Ana Clara Campagnolo Real Papa,Valéria Marques,Fabiana Pazin-Filho,Antônio Gallo-Júnior,Lourenço Schmidt,André |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Izeli,Nataly Lino Santos,Aurélia Juliana dos Crescêncio,Júlio César Gonçalves,Ana Clara Campagnolo Real Papa,Valéria Marques,Fabiana Pazin-Filho,Antônio Gallo-Júnior,Lourenço Schmidt,André |
dc.subject.por.fl_str_mv |
Exercise Rehabilitation Myocardial Infarction Magnetic Resonance Spectroscopy |
topic |
Exercise Rehabilitation Myocardial Infarction Magnetic Resonance Spectroscopy |
description |
Abstract Background: Numerous studies show the benefits of exercise training after myocardial infarction (MI). Nevertheless, the effects on function and remodeling are still controversial. Objectives: To evaluate, in patients after (MI), the effects of aerobic exercise of moderate intensity on ventricular remodeling by cardiac magnetic resonance imaging (CMR). Methods: 26 male patients, 52.9 ± 7.9 years, after a first MI, were assigned to groups: trained group (TG), 18; and control group (CG), 8. The TG performed supervised aerobic exercise on treadmill twice a week, and unsupervised sessions on 2 additional days per week, for at least 3 months. Laboratory tests, anthropometric measurements, resting heart rate (HR), exercise test, and CMR were conducted at baseline and follow-up. Results: The TG showed a 10.8% reduction in fasting blood glucose (p = 0.01), and a 7.3-bpm reduction in resting HR in both sitting and supine positions (p < 0.0001). There was an increase in oxygen uptake only in the TG (35.4 ± 8.1 to 49.1 ± 9.6 mL/kg/min, p < 0.0001). There was a statistically significant decrease in the TG left ventricular mass (LVmass) (128.7 ± 38.9 to 117.2 ± 27.2 g, p = 0.0032). There were no statistically significant changes in the values of left ventricular end-diastolic volume (LVEDV) and ejection fraction in the groups. The LVmass/EDV ratio demonstrated a statistically significant positive remodeling in the TG (p = 0.015). Conclusions: Aerobic exercise of moderate intensity improved physical capacity and other cardiovascular variables. A positive remodeling was identified in the TG, where a left ventricular diastolic dimension increase was associated with LVmass reduction. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-04-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2016000400311 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2016000400311 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.5935/abc.20160031 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Cardiologia - SBC |
publisher.none.fl_str_mv |
Sociedade Brasileira de Cardiologia - SBC |
dc.source.none.fl_str_mv |
Arquivos Brasileiros de Cardiologia v.106 n.4 2016 reponame:Arquivos Brasileiros de Cardiologia (Online) instname:Sociedade Brasileira de Cardiologia (SBC) instacron:SBC |
instname_str |
Sociedade Brasileira de Cardiologia (SBC) |
instacron_str |
SBC |
institution |
SBC |
reponame_str |
Arquivos Brasileiros de Cardiologia (Online) |
collection |
Arquivos Brasileiros de Cardiologia (Online) |
repository.name.fl_str_mv |
Arquivos Brasileiros de Cardiologia (Online) - Sociedade Brasileira de Cardiologia (SBC) |
repository.mail.fl_str_mv |
||arquivos@cardiol.br |
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1752126566673940480 |