• Intern Emerg Med · Nov 2022

    Relationship between the severity of persistent symptoms, physical fitness, and cardiopulmonary function in post-COVID-19 condition. A population-based analysis.

    • Amaya Jimeno-Almazán, Alejandro Martínez-Cava, Ángel Buendía-Romero, Francisco Franco-López, José Antonio Sánchez-Agar, Bernardino Javier Sánchez-Alcaraz, James J Tufano, Jesús G Pallarés, and Javier Courel-Ibáñez.
    • Human Performance and Sports Science Laboratory, Faculty of Sport Sciences, University of Murcia, 30730, San Javier, Murcia, Spain.
    • Intern Emerg Med. 2022 Nov 1; 17 (8): 219922082199-2208.

    AbstractThe aim of this study was to determine the relationship between physical fitness, cardiopulmonary function and patient-reported severity of symptoms in people with post-COVID-19 condition. We examined ambulatory patients (n = 72) with post-COVID-19 condition who had a chronic symptomatic phase lasting > 12 weeks from the onset of symptoms, but had not been hospitalized for acute COVID-19. A comprehensive medical screening was conducted, including clinical history, symptomatology, comorbidities, body composition and physical activity levels. We then identified the relationship between physical fitness (cardiorespiratory fitness and muscular strength), cardiopulmonary function (echocardiographic and spirometry parameters) and patient-reported severity of symptoms (fatigue, dyspnea, health-related quality of life, anxiety, and depression). Age, body mass index, sex, number of comorbidities and duration of symptoms were included as potential confounders. Results showed that greater physical fitness and cardiopulmonary function were associated with lower severity of symptoms in people with post-COVID-19 condition. Cardiorespiratory fitness, lower-limb muscle strength, maximal voluntary ventilation and left ventricular ejection fraction account for reducing fatigue and dyspnea. Greater physical activity levels were associated with fewer symptoms and less-severe fatigue and dyspnea. In conclusion, preserving better cardiopulmonary health and physical condition during the course of the disease-even in mild cases-was related to a lower intensity of symptoms in non-hospitalized people with post-COVID-19 condition. It is probable that exercise and physical conditioning are valuable pre- and post-COVID-19 countermeasures that could help decrease the severity, not only of acute infection, but of post-COVID-19 persistent symptoms and prognosis.© 2022. The Author(s), under exclusive licence to Società Italiana di Medicina Interna (SIMI).

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