Corpus overview


MeSH Disease

Human Phenotype

Shock (1)


fomite (1)

gender (1)


There are no seroprevalence terms in the subcorpus

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    No indications for overt innate immune suppression in critically ill COVID-19 patients

    Authors: Matthijs Kox; Tim Frenzel; Jeroen Schouten; Frank van de Veerdonk; Hans J.P.M. Koenen; Peter Pickkers; RCI-COVID-19 study group

    doi:10.1101/2020.04.03.20049080 Date: 2020-04-06 Source: medRxiv

    At the end of March 2020, there were in excess of 800.000 confirmed cases TRANS of coronavirus disease MESHD 2019 (COVID-19) worldwide. Several reports suggest that, in severe cases, COVID-19 may cause a hyperinflammatory 'cytokine storm'. However, unlike SARS-CoV infection MESHD, high levels of anti-inflammatory mediators have also been reported in COVID-19 patients. One study reported that 16% of COVID-19 patients who died developed secondary infection MESHD, which might indicate an immune-suppressed state. We explored kinetics of mHLA-DR expression, the most widely used marker of innate immune suppression in critically ill patients, in COVID- 19 patients admitted to the ICU. Twenty-four confirmed COVID-19 patients were included, of which 75% was male TRANS and 79% had comorbidities. All patients were mechanically ventilated and exhibited large high levels of inflammatory parameters such as CRP and PCT. Although mHLA-DR expression levels in COVID-19 patients were lower than those observed in healthy subjects, the extent of suppression was less pronounced than observed in bacterial septic shock MESHD shock HP patients. mHLA-DR expression kinetics revealed no change over time. None of the COVID-19 patients developed a secondary infection MESHD. In conclusion, despite a pronounced inflammatory response, mHLA-DR expression kinetics indicate more moderate innate immune suppression in COVID-19 patients compared with bacterial septic shock MESHD shock HP patients. These data signify that innate immune suppression as a negative feedback mechanism following PAMP-induced inflammation MESHD appears less pronounced in COVID-19.

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MeSH Disease
Human Phenotype

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