Acute effects of photobiomodulation therapy applied to respiratory muscles of chronic obstructive pulmonary disease patients: a double-blind, randomized, placebo-controlled crossover trial
de Souza GHM, Ferraresi C, Moreno MA, Pessoa BV, Damiani APM, Filho VG, Dos Santos GV, Zamunér AR
Lasers in medical science · 16 citas
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
- Gobierno
- Fundação de Amparo à Pesquisa do Estado de São Paulo
- Gobierno
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Subvenciones
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (474014/2013-4); Fundação de Amparo à Pesquisa do Estado de São Paulo (2017/06264-0)
Según 2 financiadores declarados.
Publicación
- Publicado
- 2019-10-26 · Lasers Med Sci · vol. 35 · número 5 · págs. 1055–1063
- Editorial
- Springer Science+Business Media
- Citado
- 22 citas · más que el 80% de estudios similares · 1.4× el promedio de su campo
- Referencias
- 35 trabajos
- Acceso
- De pago
- Áreas de investigación
- Laser Applications in Dentistry and Medicine · Chronic Obstructive Pulmonary Disease (COPD) Research · Respiratory Support and Mechanisms
- Palabras clave
- low-level laser therapy, chronic obstructive pulmonary disease, respiratory muscles, respiratory muscle strength, functional capacity, 6-minute walk test, lung function, acute effects
- MeSH
- respiratory muscles, humans, pulmonary disease, chronic obstructive, placebos, spirometry, cross-over studies, double-blind method, aged, female, male, low-level light therapy, walk test
8 autores
- Guilherme Henrique Martins de Souza🇧🇷Universidade Sagrado Coração
- Cleber Ferraresi🇧🇷Universidade Brasil
- Marlene Aparecida Moreno🇧🇷Methodist University of Piracicaba
- Bruna Varanda Pessoa🇧🇷Universidade Sagrado Coração
- Ana Paula Moraes Damiani🇧🇷Universidade Sagrado Coração
- Vinicius Gasparotto Filho🇧🇷Universidade Sagrado Coração
- Giovanny Viegas dos Santos🇧🇷Universidade Sagrado Coração
- Antônio Roberto Zamunér🇨🇱 · autor de correspondenciaCatholic University of the Maule
Resumen
El texto original del estudio, en el idioma en que se publicó.
To investigate the effects of photobiomodulation applied to respiratory muscles on lung function, thoracoabdominal mobility, respiratory muscle strength, and functional capacity in COPD patients. This is a randomized double-blind crossover clinical trial. Twelve male COPD patients participated in the study. Participants were randomly allocated to receive two photobiomodulation sessions, 1 week apart: (1) an effective photobiomodulation session applied at the main respiratory muscles by means of a cluster with 69 light-emitting diodes (LEDs), containing 35 red (630 ± 10 nm; 10 mW; 0.2 cm2) and 34 near-infrared (830 ± 20 nm; 10 mW; 0.2 cm2) LEDs and (2) a sham photobiomodulation session, following the same procedures without emitting light. The primary outcomes were pulmonary function (spirometric indexes); thoracoabdominal mobility (cirtometry); respiratory muscle strength (maximal respiratory pressures), assessed at three moments: (1) baseline, (2) 1 h after intervention, and (3) 24 h after intervention; and the functional capacity, assessed by the 6-min walk test (6MWT) at baseline and 24 h after intervention. No significant interactions were found for spirometric variables, maximal respiratory pressures, and cirtometry. However, there was a Time × Condition interaction (F = 18.63; p = 0.001; η2p = 0.62) in the walked distance on the 6MWT, with a significant increase after photobiomodulation intervention (p < 0.01) compared with the baseline. Photobiomodulation applied to respiratory muscles was effective in improving acute functional capacity in COPD patients. To the best of our knowledge, this is the first study assessing the effects of photobiomodulation applied to respiratory muscles in patients with COPD.
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