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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Am+J+Physiol+Lung+Cell+Mol+Physiol 2020 ; 318 (6): L1244-L1247 Nephropedia Template TP
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Treatment of COVID-19-exacerbated asthma: should systemic corticosteroids be used? #MMPMID32401670
Kumar K; Hinks TSC; Singanayagam A
Am J Physiol Lung Cell Mol Physiol 2020[Jun]; 318 (6): L1244-L1247 PMID32401670show ga
Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is a new rapidly spreading infectious disease. Current guidance from the World Health Organization (WHO) highlights asthmatics as a high-risk group for severe illness from COVID-19. Viruses are common triggers of asthma exacerbations and the current SARS-CoV-2 pandemic raises several questions regarding the optimum management strategies. Here, we discuss the contentious issue of whether the mainstay therapy systemic corticosteroids should be used in the routine management of COVID-19-associated asthma exacerbations. Recent guidance from the WHO has advised against the use of corticosteroids if COVID-19 is suspected due to concerns that these agents may impair protective innate antiviral immune responses. This may not be appropriate in the unique case of asthma exacerbation, a syndrome associated with augmented type 2 inflammation, a disease feature that is known to directly inhibit antiviral immunity. Corticosteroids, through their suppressive effects on type 2 inflammation, are thus likely to restore impaired antiviral immunity in asthma and, in contrast to non-asthmatic subjects, have beneficial clinical effects in the context of SARS-CoV-2 infection.