Is prolonged slow expiration a reproducible airway clearance technique?

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dc.creatorMárcia Cristina Pires Nogueira
dc.creatorSimone Nascimento Santos Ribeiro
dc.creatorÉlida Pereira da Silva
dc.creatorCarolina Lopes Guimarães
dc.creatorGustavo Falbo Wandalsen
dc.creatorDirceu Solé
dc.creatorFernanda de Córdoba Lanza
dc.date.accessioned2022-07-15T14:53:43Z
dc.date.accessioned2025-09-09T01:00:34Z
dc.date.available2022-07-15T14:53:43Z
dc.date.issued2019-09
dc.identifier.doihttps://doi.org/10.1093/ptj/pzz080
dc.identifier.issn1538-6724
dc.identifier.urihttps://hdl.handle.net/1843/43310
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPhysical Therapy and Rehabilitation Journal
dc.rightsAcesso Restrito
dc.subjectExercícios respiratórios
dc.subjectVias aéreas (Medicina)
dc.subjectReprodutibilidade dos testes
dc.subjectTécnicas de fisioterapia
dc.subjectExpiração lenta e prolongada (ELPr)
dc.titleIs prolonged slow expiration a reproducible airway clearance technique?
dc.typeArtigo de periódico
local.citation.epage1230
local.citation.issue9
local.citation.spage1224
local.citation.volume99
local.description.resumoBackground: Prolonged slow expiration (PSE) is a manual chest physical therapy technique routinely performed in clinical practice. However, the reliability and agreement of the technique have not been tested. Objective: The objective of this study was to assess reliability and agreement between physical therapists during the application of PSE in infants with wheezing. Design: This was a cross-sectional study. Methods: Infants with a mean age of 59 weeks (SD = 26 weeks) were included in this study. Two physical therapists (physical therapist 1 and physical therapist 2) randomly performed 3 PSE sequences (A, B, and C). The expiratory reserve volume (ERV) was measured with a pneumotachograph connected to a face mask. ERV was used to evaluate the reproducibility of the technique between sequences and between physical therapist 1 and physical therapist 2. Results: The mean ERV of the infants was 63 mL (SD = 21 mL). There was no statistically significant difference between the ERV values in the 3 sequences for physical therapist 1 (A: mean = 46.6 mL [SD = 17.8 mL]; B: mean = 45.7 mL [SD = 19.9 mL]; C: mean = 53.3 mL [SD = 26.3 mL]) and physical therapist 2 (A: mean = 43.5 mL [SD = 15.4 mL]; B: mean = 43.2 mL [SD = 18.3 mL]; C: mean = 44.8 mL [SD = 25.0 mL]). There was excellent reliability between the sequences for physical therapist 1 (ICC = 0.88 [95% CI = 0.63–0.95]) and physical therapist 2 (ICC = 0.82 [95% CI = 0.48–0.93]). Moderate agreement was observed between physical therapist 1 and physical therapist 2 (ICC = 0.67 [95% CI = 0.01–0.88]). According to Bland-Altman analysis, the mean difference between physical therapist 1 and physical therapist 2 was 4.1 mL (95% CI = −38.5 to 46.5 mL). Limitations: The data were collected in infants with wheezing who were not in crisis. This decreased lung mucus; however, it also reduced evaluation risks. Conclusions: PSE was a reproducible chest physical therapy technique between physical therapists.
local.identifier.orcidhttp://orcid.org/0000-0002-9364-7836
local.identifier.orcidhttp://orcid.org/0000-0002-1758-4562
local.identifier.orcidhttps://orcid.org/ 0000-0003-2173-4380
local.identifier.orcidhttps://orcid.org/ 0000-0002-3579-0861
local.identifier.orcidhttps://orcid.org/0000-0002-4748-6947
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE FISIOTERAPIA
local.publisher.initialsUFMG
local.url.externahttps://academic.oup.com/ptj/article/99/9/1224/5514017?login=true

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