Abstract
BackgroundPhysical training has been shown to improve exercise capabilities in patients with asthma. Most studies focused on children and younger adults. Previously, the maximum program duration was six months. It is not known whether the same results may be obtained with lower intensity programs and sustained for time periods longer than 6 months. This controlled study was undertaken to investigate the effects of a moderate intensity outpatient training program of one year duration on physical fitness and quality of life in adults with asthma.Methods21 adult asthmatics (mean age 56 ± 10 years) were allocated to outpatient training (n = 13) or standard care (n = 8). Exercise consisted of once weekly, 60-minute sessions of moderate intensity. Assessments at baseline and after one year included cardiopulmonary exercise testing and Short Form-36 and Asthma Quality of Life Questionnaires.ResultsFollowing one year of exercise, relevant improvements were observed in the training group for maximum work capacity (p = 0.005), peak oxygen uptake (p < 0.005), O2pulse (p < 0.05), maximum ventilation (p < 0.005), and most of the quality of life domains. No changes were observed in the control group.ConclusionsA physiotherapist-led, long-term, moderate-intensity exercise program of one year duration can induce clinically relevant improvements in exercise capabilities and health-related quality of life in well-motivated adults with asthma.Trial registrationclinicaltrials.gov NCT01097473. Date trial registered: 31.03.2010.
Highlights
Physical training has been shown to improve exercise capabilities in patients with asthma
Asthmatics often struggle to distinguish breathlessness associated with bronchoconstriction from breathlessness caused by exerciseinduced hyperventilation
This mechanism is illustrated by the observation that exercise capabilities in asthmatics are related to habitual activity rather than
Summary
Physical training has been shown to improve exercise capabilities in patients with asthma. The maximum program duration was six months It is not known whether the same results may be obtained with lower intensity programs and sustained for time periods longer than 6 months. This controlled study was undertaken to investigate the effects of a moderate intensity outpatient training program of one year duration on physical fitness and quality of life in adults with asthma. Patients may develop anxiety about both experiences leading to a sedentary lifestyle and subsequently lack of fitness This mechanism is illustrated by the observation that exercise capabilities in asthmatics are related to habitual activity rather than. Regular physical training improves health in people with asthma: current guidelines incorporate the recommendation for all patients with asthma to engage in regular physical activity [1,5]
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