ObjectiveEvaluate the interaction between high-intensity inspiratory muscle training
(IMT) and aerobic exercise on physical capacity, respiratory muscle
strength, peripheral muscle strength, and quality of life of patients who
underwent coronary artery bypass grafting (CABG).MethodsTwenty-four patients underwent CABG were randomized into two groups. During
36 sessions, one group received IMT associated with aerobic exercise and the
other group received only aerobic exercise. Primary outcome was the distance
in the six-minute walk distance (6MWD) test. Secondary outcomes included
respiratory muscle strength, peripheral muscle strength, and quality of
life. Measures were taken at the baseline, at the 12th session,
the 24th session, and 36th session.ResultsBaseline characteristics were similar between the groups. There was no
statistically significant difference between the two groups in any outcome
[6MWD - P=0.935; peak oxygen consumption
(PeakVO2) - P=0.853; maximal inspiratory
pressure (MIP) - P=0.243; maximal expiratory pressure (MEP)
- P=0.268; sitting-rising test (SRT) -
P=0.212], but there was interaction in MIP
(P=0.000) and all outcomes improved in the two groups
(6MWD - P=0.000; PeakVO2 -
P=0.000; MIP - P=0.000; MEP -
P=0.000; SRT - P=0.000).ConclusionThere was an improvement of all outcomes in both groups, but IMT was not able
to provide additional benefits. The use of this combination should be used
with caution to not generate higher costs in the rehabilitation process of
these patients.
Background
Pulmonary diseases represent a great cause of disability and mortality in the world, and given the progression of these pathologies, pulmonary rehabilitation programs have proven to be effective for people with chronic respiratory diseases. During the COVID-19 pandemic, telerehabilitation has become an alternative for patients with such diseases.
Objective
The aim of this study was to compare the outcomes (ie, functional capacity and quality of life) of telerehabilitation to those of usual care among patients who previously participated in face-to-face pulmonary rehabilitation programs.
Methods
We conducted a quasi-experimental retrospective study from April 2020 to August 2021. A total of 32 patients with chronic lung diseases were included and divided into the control and intervention groups. The intervention group performed telerehabilitation synchronously twice per week and was supervised by a physical therapist during breathing, strengthening, and aerobic exercises. Changes in the degree of dyspnea and leg discomfort were assessed based on changes in Borg scale scores. The control group did not perform any activities during the period of social isolation. Functional capacity was assessed with the 6-minute walk test, and quality of life was assessed with the Medical Outcomes Study 36-item Short Form Health Survey.
Results
The telerehabilitation group’s mean 6-minute walk distance decreased by 39 m, while that of the control group decreased by 120 m. There was a difference of 81 m between the groups’ mean 6-minute walk distances (P=.02). In relation to the quality of life, telerehabilitation was shown to improve the following two domains: social functioning and mental health.
Conclusions
Telerehabilitation programs for patients with chronic lung diseases can ease the deleterious effects of disease progression, be used to maintain functional capacity, and improve aspects of quality of life.
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