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A Cycle Ergometer Exercise Program Improves Exercise Capacity and Inspiratory Muscle Function in Hospitalized Patients Awaiting Heart Transplantation: a Pilot Study

OBJECTIVE: The purpose of this study was to evaluate the effect of a cycle ergometer exercise program on exercise capacity and inspiratory muscle function in hospitalized patients with heart failure awaiting heart transplantation with intravenous inotropic support. METHODS: Patients awaiting heart t...

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Detalles Bibliográficos
Autores principales: Forestieri, Patrícia, Guizilini, Solange, Peres, Monique, Bublitz, Caroline, Bolzan, Douglas W., Rocco, Isadora S., Santos, Vinícius B., Moreira, Rita Simone L., Breda, João R., de Almeida, Dirceu R., Carvalho, Antonio Carlos de C., Arena, Ross, Gomes, Walter J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Sociedade Brasileira de Cirurgia Cardiovascular 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5144561/
https://www.ncbi.nlm.nih.gov/pubmed/27982348
http://dx.doi.org/10.5935/1678-9741.20160078
Descripción
Sumario:OBJECTIVE: The purpose of this study was to evaluate the effect of a cycle ergometer exercise program on exercise capacity and inspiratory muscle function in hospitalized patients with heart failure awaiting heart transplantation with intravenous inotropic support. METHODS: Patients awaiting heart transplantation were randomized and allocated prospectively into two groups: 1) Control Group (n=11) - conventional protocol; and 2) Intervention Group (n=7) - stationary cycle ergometer exercise training. Functional capacity was measured by the six-minute walk test and inspiratory muscle strength assessed by manovacuometry before and after the exercise protocols. RESULTS: Both groups demonstrated an increase in six-minute walk test distance after the experimental procedure compared to baseline; however, only the intervention group had a significant increase (P=0.08 and P=0.001 for the control and intervention groups, respectively). Intergroup comparison revealed a greater increase in the intervention group compared to the control (P<0.001). Regarding the inspiratory muscle strength evaluation, the intragroup analysis demonstrated increased strength after the protocols compared to baseline for both groups; statistical significance was only demonstrated for the intervention group, though (P=0.22 and P<0.01, respectively). Intergroup comparison showed a significant increase in the intervention group compared to the control (P<0.01). CONCLUSION: Stationary cycle ergometer exercise training shows positive results on exercise capacity and inspiratory muscle strength in patients with heart failure awaiting cardiac transplantation while on intravenous inotropic support.