High-intensity respiratory muscle training improves strength and dyspnea poststroke: a double-blind randomized trial

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dc.creatorKênia Kiefer Parreiras de Menezes
dc.creatorLucas Rodrigues Nascimento
dc.creatorLouise Ada
dc.creatorPatrick Roberto Avelino
dc.creatorJanaíne Cunha Polese
dc.creatorMaria Tereza Mota Alvarenga
dc.creatorMariana Hoffman Barbosa
dc.creatorLuci Fuscaldi Teixeira Salmela
dc.date.accessioned2023-01-05T13:35:07Z
dc.date.accessioned2025-09-08T23:25:44Z
dc.date.available2023-01-05T13:35:07Z
dc.date.issued2019-02
dc.identifier.doihttps://doi.org/10.1016/j.apmr.2018.09.115
dc.identifier.issn1532-821X
dc.identifier.urihttps://hdl.handle.net/1843/48725
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofArchives of Physical Medicine and Rehabilitation
dc.rightsAcesso Restrito
dc.subjectExercícios respiratórios
dc.subjectTranstornos cerebrovasculares
dc.subjectEnsaio clínico
dc.subjectDispneia
dc.subjectExercícios físicos
dc.subjectForça muscular
dc.subjectReabilitação
dc.subjectAcidente vascular cerebral
dc.subject.otherBreathing exercises
dc.subject.otherCerebrovascular disease
dc.subject.otherClinical trial
dc.subject.otherDyspnea
dc.subject.otherExercise
dc.subject.otherMuscle strength
dc.subject.otherRehabilitation
dc.subject.otherStroke
dc.titleHigh-intensity respiratory muscle training improves strength and dyspnea poststroke: a double-blind randomized trial
dc.typeArtigo de periódico
local.citation.epage212
local.citation.issue2
local.citation.spage205
local.citation.volume100
local.description.resumoObjective: To examine whether high-intensity home-based respiratory muscle training, that is, with higher loads, delivered more frequently and for longer duration, than previously applied, would increase the strength and endurance of the respiratory muscles, reduce dyspnea and respiratory complications, and improve walking capacity post-stroke. Design: Randomized trial with concealed allocation, blinded participants and assessors, and intention-to-treat analysis. Setting: Community-dwelling patients. Participants: Patients with stroke, who had respiratory muscle weakness (N=38). Interventions: The experimental group received 40-minute high-intensity home-based respiratory muscle training, 7 days per week, for 8 weeks, progressed weekly. The control group received a sham intervention of similar dose. Main Outcome Measures: Primary outcome was inspiratory muscle strength (via maximal inspiratory pressure), whereas secondary outcomes were expiratory muscle strength (maximal expiratory pressure), inspiratory muscle endurance, dyspnea (Medical Research Council score), respiratory complications (hospitalizations), and walking capacity (6-minute walk test). Outcomes were measured at baseline, after intervention, and 1 month beyond intervention. Results: Compared to the control, the experimental group increased inspiratory (27cmH2O; 95% confidence interval [95% CI], 15 to 40) and expiratory (42cmH2O; 95% CI, 25 to 59) strength, inspiratory endurance (33 breaths; 95% CI, 20 to 47), and reduced dyspnea (-1.3 out of 5.0; 95% CI, -2.1 to -0.6), and the benefits were maintained at 1 month beyond training. There was no significant between-group difference for walking capacity or respiratory complications. Conclusion: High-intensity home-based respiratory muscle training was effective in increasing strength and endurance of the respiratory muscles and reducing dyspnea for people with respiratory muscle weakness post-stroke, and the magnitude of the effect was higher, than that previously reported in studies, which applied standard protocols.
local.identifier.orcidhttps://orcid.org/0000-0002-9906-9555
local.identifier.orcidhttps://orcid.org/0000-0002-6792-0819
local.identifier.orcidhttps://orcid.org/0000-0003-1369-5721
local.identifier.orcidhttps://orcid.org/0000-0002-7248-4767
local.identifier.orcidhttps://orcid.org/0000-0003-3366-1545
local.identifier.orcidhttps://orcid.org/0000-0002-5536-8035
local.identifier.orcidhttps://orcid.org/0000-0001-8358-8636
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE FISIOTERAPIA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0003999318313777?via%3Dihub

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