Body Mass Index and Thoracic Expansion in Post-COVID Dyspnea: A Secondary Analysis

Sandra P. Morgan, Bini Thomas, Zoe Morris, Aimee B. Klein, Douglas Haladay and Constance Visovsky

Clinical Nursing Research, 2024, vol. 33, issue 6, 440-447

Abstract: Dyspnea secondary to lung impairment can persist following the acute phase of COVID-19. Thoracic expansion measurements have been used as a diagnostic tool to evaluate chest wall mobility, respiratory function, and the effects of respiratory muscle strength training. Changes in chest wall mobility may occur because of altered chest biomechanics in individuals with respiratory diseases and an elevated body mass index (BMI). The purpose of this secondary analysis was to evaluate whether BMI influences thoracic expansion or forced expiratory volume over 1 second (FEV1) in individuals with persistent dyspnea following COVID-19. This study assessed the relationship between BMI and thoracic expansion, pulmonary symptoms, and exercise capacity following a home-based pulmonary rehabilitation intervention. A secondary data analysis was conducted with a sample of 19 adults with persistent dyspnea following COVID-19 infection who participated in a 12-week, home-based pulmonary rehabilitation study. Participants received expiratory muscle strength training devices and were instructed to perform pulmonary rehabilitation exercises three times per week over the study period. Pulmonary function, pulmonary symptoms, exercise capacity, and BMI measurements were collected. For analysis, study participants were divided into obese (BMI > 30 kg/m 2 ) or nonobese (BMI

Keywords: thoracic expansion; post-COVID-19; dyspnea; expiratory muscle strength training; body mass index (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:sae:clnure:v:33:y:2024:i:6:p:440-447

DOI: 10.1177/10547738241252191

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