Impact of COVID-19 on COPD exacerbations and clinical course

COPD patients show higher mortality and worse prognosis in the acute phase of COVID-19, and survivors may suffer persistent symptoms that could make them more vulnerable to exacerbations. We aimed to evaluate the impact of COVID-19 on the exacerbations, symptoms, quality of life, and mental health of a cohort of COPD patients. Retrospective case-control single-centre study including all COPD patients from the pulmonary consultation of University Hospital Santa Maria (Lleida, Spain) surviving COVID-19 between March 2020 and September 2021, and similar propensity-score-matched (1:2) COPD patients. Differences in COPD exacerbations, COPD clinical evolution (lung function, dyspnoea, CAT and symptoms), long COVID-19 symptoms, quality of life, and mental health, were assessed at the end of 2021. We included 39 COVID-19 COPD patients and 78 similar non-COVID-19. No differences were found on exacerbations (46(59%) vs. 27(69.2%), p = 0.380), dyspnoea (2 [1; 3] vs. 2 [1; 3], p = 0.921) CAT (14.5 [10.0; 18.8] vs. 13.0 [10.0; 16.0], p = 0.432). Only the prevalence of smell or taste disorders, hair loss and tingling was higher in COVID-19 patients. No differences were found in quality of life or mental health. COPD patients surviving COVID-19 were not at a higher risk of COPD exacerbations nor showed significant changes in COPD clinical evolution, and only showed differences in a few very specific COVID-19 symptoms. These unexpected results suggest that the conditions triggered by the pandemic and its management could have affected COPD patients as much as actually having had COVID-19.