dc.contributor.author | Silva, Audrey Borghi | |
dc.contributor.author | Goulart, Cássia da Luz | |
dc.contributor.author | Carrascosa, Cláudia R. | |
dc.contributor.author | Oliveira, Cristino Carneiro | |
dc.contributor.author | Berton, Danilo Cortozi | |
dc.contributor.author | Almeida, Dirceu Rodrigues de | |
dc.contributor.author | Nery, Luiz Eduardo | |
dc.contributor.author | Arena, Ross | |
dc.contributor.author | Neder, José Alberto | |
dc.date.accessioned | 2022-02-15T15:32:21Z | |
dc.date.available | 2022-02-15T15:32:21Z | |
dc.date.issued | 2021-06-21 | |
dc.identifier | https://doi.org/10.3389/fphys.2021.685274 | por |
dc.identifier.citation | SILVA, Audrey Borghi; GOULART, Cássia da Luz; CARRASCOSA, Cláudia R.; OLIVEIRA, Cristino Carneiro; BERTON, Danilo Cortozi; ALMEIDA, Dirceu Rodrigues de; NERY, Luiz Eduardo; ARENA, Ross; NEDER, José Alberto. Proportional assist ventilation improves leg muscle reoxygenation after exercise in heart failure with reduced ejection fraction. Repositório Institucional da UFSCar, 2021. Dataset. Disponível em: https://repositorio.ufscar.br/handle/ufscar/15603. | * |
dc.identifier.uri | https://repositorio.ufscar.br/handle/ufscar/15603 | |
dc.description | Background: Respiratory muscle unloading through proportional assist ventilation (PAV) may enhance leg oxygen delivery, thereby speeding off-exercise oxygen uptake (V.O2) kinetics in patients with heart failure with reduced left ventricular ejection fraction (HFrEF). Methods: Ten male patients (HFrEF = 26 ± 9%, age 50 ± 13 years, and body mass index 25 ± 3 kg m2) underwent two constant work rate tests at 80% peak of maximal cardiopulmonary exercise test to tolerance under PAV and sham ventilation. Post-exercise kinetics of V.O2, vastus lateralis deoxyhemoglobin ([deoxy-Hb + Mb]) by near-infrared spectroscopy, and cardiac output (QT) by impedance cardiography were assessed. Results: PAV prolonged exercise tolerance compared with sham (587 ± 390 s vs. 444 ± 296 s, respectively; p = 0.01). PAV significantly accelerated V.O2 recovery (τ = 56 ± 22 s vs. 77 ± 42 s; p < 0.05), being associated with a faster decline in Δ[deoxy-Hb + Mb] and QT compared with sham (τ = 31 ± 19 s vs. 42 ± 22 s and 39 ± 22 s vs. 78 ± 46 s, p < 0.05). Faster off-exercise decrease in QT with PAV was related to longer exercise duration (r = −0.76; p < 0.05). Conclusion: PAV accelerates the recovery of central hemodynamics and muscle oxygenation in HFrEF. These beneficial effects might prove useful to improve the tolerance to repeated exercise during cardiac rehabilitation. | eng |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | por |
dc.description.sponsorship | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | por |
dc.language.iso | eng | eng |
dc.publisher | Universidade Federal de São Carlos | por |
dc.relation.uri | https://www.frontiersin.org/articles/10.3389/fphys.2021.685274/full | por |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/br/ | * |
dc.subject | Blood flow | eng |
dc.subject | Heart failure | eng |
dc.subject | Non-invasive ventilation | eng |
dc.subject | Hemodynamics | eng |
dc.subject | Exercise recovery | eng |
dc.title | Proportional assist ventilation improves leg muscle reoxygenation after exercise in heart failure with reduced ejection fraction | eng |
dc.type | Dataset | eng |
dc.publisher.initials | UFSCar | por |
dc.publisher.program | Programa de Pós-Graduação em Fisioterapia - PPGFt | por |
dc.subject.cnpq | CIENCIAS DA SAUDE::FISIOTERAPIA E TERAPIA OCUPACIONAL | por |
dc.description.sponsorshipId | Processo nº 2015/26501–1, Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | por |
dc.description.sponsorshipId | Processo nº 05/00722-0, Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | por |
dc.description.sponsorshipId | Processo nº 2018/03233-0, Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | por |
dc.description.sponsorshipId | Processo nº 443687/2018 - Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | por |
dc.publisher.address | Câmpus São Carlos | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/4855616925791895 | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/9790656360225486 | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/9712141573504173 | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/8427488721023635 | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/9951730205467992 | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/2605106957934146 | por |
dc.contributor.authorlattes | http://lattes.cnpq.br/5131155111475682 | por |
dc.publisher.department | Departamento de Fisioterapia - DFisio | por |