Inspiratory muscle training reduces dyspnea during activities of daily living and improves inspiratory muscle function and quality of life in patients with advanced lung disease.
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| Abstract |
Aim: To evaluate the effects of an inspiratory muscle training (IMT) program on dyspnea during activities of daily living, inspiratory muscle function, functional capacity, and quality of life in patients with advanced lung disease (ALD).Methods: Pre-post interventional study in which patients with ALD from the Advanced Lung Disease and Pre Lung Transplantation Ambulatory Clinic were included. Patients performed home-based high-intensity interval IMT for 8 weeks (two sessions per day, daily). In each session, patients performed two sets of 30 breaths, with a 2-min rest between sets. Dyspnea during activities of daily life, primary outcome - assessed by the London Chest Activity of Daily Living scale-LCADL, inspiratory muscle function (MIP and endurance test), distance on the 6-min walking test [6MWD], and quality of life (St George Respiratory Questionnaire [SGRQ]) were measured pre-IMT, post-IMT, and 3 months after the intervention (follow-up).Results: Dyspnea during activities of daily living significantly decreased after 8 weeks of IMT (LCADLpre = 31.5 [IQR = 23-37.25], LCADLpost = 26 [IQR = 20.75-32], LCADLfollow-up = 30.5 [IQR = 20-35]; p < .03). After IMT, there was an improvement in inspiratory muscle strength (p < .001) and endurance (p < .001). Functional capacity evaluated using the 6MWD increased but did not reach significance (p = .79) There was also a significant improvement in quality of life, as demonstrated by the SGRQ (p < .004).Conclusions: Our results suggest that IMT was able to reduce dyspnea during activities of daily living, as well as improve inspiratory muscle function, and quality of life in patients with ADL, and these benefits were sustained for 3 months.
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| Authors | Mariana Hoffman, Valéria M Augusto, Daisy S Eduardo, Bruna M F Silveira, Marcela D Lemos, Verônica F Parreira |
| Journal | Physiotherapy theory and practice (Physiother Theory Pract) Vol. 37 Issue 8 Pg. 895-905 (Aug 2021) ISSN: 1532-5040 [Electronic] England |
| PMID | 31429627 (Publication Type: Journal Article) |
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