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Cardiorespiratory physiology, exertional symptoms, and psychological burden in post-COVID-19 fatigue.
Schaeffer, Michele R; Cowan, Juthaporn; Milne, Kathryn M; Puyat, Joseph H; Voduc, Nha; Corrales-Medina, Vicente; Lavoie, Kim L; Mulloy, Andrew; Chirinos, Julio A; Abdallah, Sara J; Guenette, Jordan A.
  • Schaeffer MR; Department of Physical Therapy, The University of British Columbia, Vancouver, Canada; Centre for Heart Lung Innovation, Providence Research, The University of British Columbia and St. Paul's Hospital, Vancouver, Canada.
  • Cowan J; Department of Medicine, University of Ottawa, Ottawa, Canada; Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Canada; Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Canada.
  • Milne KM; Centre for Heart Lung Innovation, Providence Research, The University of British Columbia and St. Paul's Hospital, Vancouver, Canada; Department of Medicine, The University of British Columbia, Vancouver, Canada.
  • Puyat JH; Centre for Health Evaluation and Outcome Sciences, Providence Research, St. Paul's Hospital, Vancouver, Canada.
  • Voduc N; Department of Medicine, University of Ottawa, Ottawa, Canada.
  • Corrales-Medina V; Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Canada.
  • Lavoie KL; Montréal Behavioural Medicine Centre, CIUSSS du Nord-de-l'Île-de-Montréal, Montréal, Canada; Department of Psychology, University of Québec at Montréal, Montréal, Canada.
  • Mulloy A; Department of Medicine, University of Ottawa, Ottawa, Canada.
  • Chirinos JA; Division of Cardiovascular Medicine, University of Pennsylvania, Philadelphia, United States.
  • Abdallah SJ; Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Canada.
  • Guenette JA; Department of Physical Therapy, The University of British Columbia, Vancouver, Canada; Centre for Heart Lung Innovation, Providence Research, The University of British Columbia and St. Paul's Hospital, Vancouver, Canada. Electronic address: jordan.guenette@hli.ubc.ca.
Respir Physiol Neurobiol ; 302: 103898, 2022 08.
Article in English | MEDLINE | ID: covidwho-1763959
ABSTRACT
Fatigue is a common, debilitating, and poorly understood symptom post-COVID-19. We sought to better characterize differences in those with and without post-COVID-19 fatigue using cardiopulmonary exercise testing. Despite elevated dyspnoea intensity ratings, V̇O2peak (ml/kg/min) was the only significant difference in the physiological responses to exercise (19.9 ± 7.1 fatigue vs. 24.4 ± 6.7 ml/kg/min non-fatigue, p = 0.04). Consistent with previous findings, we also observed a higher psychological burden in those with fatigue in the context of similar resting cardiopulmonary function. Our findings suggest that lower cardiorespiratory fitness and/or psychological factors may contribute to post-COVID-19 fatigue symptomology. Further research is needed for rehabilitation and symptom management following SARS-CoV-2 infection.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cardiorespiratory Fitness / COVID-19 Topics: Long Covid Limits: Humans Language: English Journal: Respir Physiol Neurobiol Year: 2022 Document Type: Article Affiliation country: J.resp.2022.103898

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Cardiorespiratory Fitness / COVID-19 Topics: Long Covid Limits: Humans Language: English Journal: Respir Physiol Neurobiol Year: 2022 Document Type: Article Affiliation country: J.resp.2022.103898