Decline in COPD Admissions During the COVID-19 Pandemic Associated with Lower Burden of Community Respiratory Viral Infections
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Author
So, Jennifer YO'Hara, Nathan N
Kenaa, Blaine
Williams, John G
deBorja, Christopher L
Slejko, Julia F
Zafari, Zafar
Sokolow, Michael
Zimand, Paul
Deming, Meagan
Marx, Jason
Pollak, Andrew N
Reed, Robert M
Date
2021-06-12Journal
American Journal of MedicinePublisher
Elsevier Ltd.Type
Article
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https://doi.org/10.1016/j.amjmed.2021.05.008http://www.ncbi.nlm.nih.gov/pmc/articles/pmc8196237/
Abstract
Background: The COVID-19 pandemic has led to widespread implementation of public health measures, such as stay-at-home orders, social distancing, and masking mandates. In addition to decreasing spread of SARS-CoV2, these measures also impact the transmission of seasonal viral pathogens, which are common triggers of COPD exacerbations. Whether reduced viral prevalence mediates reduction in COPD exacerbation rates is unknown. Methods: We performed retrospective analysis of data from a large, multicenter healthcare system to assess admission trends associated with community viral prevalence and with initiation of COVID-19 pandemic control measures. We applied difference-in-differences (DiD) analysis to compare season-matched weekly frequency of hospital admissions for COPD before and after implementation of public health measures for COVID-19. Community viral prevalence was estimated using regional Center for Disease Control and Prevention test positivity data and correlated to COPD admissions. Results: Data involving 4,422 COPD admissions demonstrated a season-matched 53% decline in COPD admissions during COVID-19 pandemic, which correlated to community viral burden (r=0.73; 95% CI: 0.67 to 0.78) and represented a 36% greater decline over admission frequencies observed in other medical conditions less affected by respiratory viral infections (IRR, 0.64; 95% CI, 0.57 to 0.71, p<0.001). The post-COVID-19 decline in COPD admissions was most pronounced in patients with fewer comorbidities and without recurrent admissions. Conclusion: The implementation of public health measures during the COVID-19 pandemic was associated with decreased COPD admissions. These changes are plausibly explained by reduced prevalence of seasonal respiratory viruses.Rights/Terms
Copyright © 2021 Elsevier Ltd. All rights reserved.Identifier to cite or link to this item
http://hdl.handle.net/10713/16043ae974a485f413a2113503eed53cd6c53
10.1016/j.amjmed.2021.05.008
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