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1.
Preprint in English | medRxiv | ID: ppmedrxiv-21252329

ABSTRACT

BackgroundThere is growing awareness that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection can include long-term neuropsychological deficits, even in its mild or moderate respiratory forms. MethodsStandardized neuropsychological, psychiatric, neurological and olfactory tests were administered to 45 patients (categorized according to the severity of their respiratory symptoms during the acute phase) 236.51 {+/-} 22.54 days post-discharge following SARS-CoV-2 infection. ResultsDeficits were found in all the domains of cognition and the prevalence of psychiatric symptoms was also high in the three groups. The severe performed more poorly on long-term episodic memory and exhibited greater anosognosia. The moderate had poorer emotion recognition, which was positively correlated with persistent olfactory dysfunction. The mild were more stressed, anxious and depressed. ConclusionThe data support the hypothesis that the virus targets the central nervous system (and notably the limbic system), and support the notion of different neuropsychological phenotypes.

2.
Preprint in English | medRxiv | ID: ppmedrxiv-20155929

ABSTRACT

BackgroundThe COVID-19 pandemic has led to shortage of Intensive Care Unit (ICU) capacity. We developed a triage strategy including non-invasive respiratory support and admission to the intermediate care unit (IMCU). ICU admission was restricted to patients requiring invasive ventilation. ObjectivesThe aim of this study is to describe the characteristics and outcomes of patients admitted to the intermediate care unit. MethodRetrospective cohort including consecutive patients admitted between March 28th and April 27th 2020. The primary outcome was the proportion of patients with severe hypoxemic respiratory failure avoiding ICU admission. Secondary outcomes included the rate of emergency intubation, 28-days mortality and predictors of ICU admission. ResultsOne hundred fifty seven patients with COVID-19 associated pneumonia were admitted to the IMCU. Among the 85 patients admitted for worsening respiratory failure, 52/85 (61%) avoided ICU admission. In multivariate analysis, PaO2/FiO2 (OR 0.98; 95% CI 0.96 to 0.99) and Body Mass Index (OR 0.88; 95% CI 0.78 to 0.98) were significantly associated with ICU admission. No death or emergency intubation occurred in the intermediate care unit. Among the 72 patients transferred from the ICU, 60/72 (83%) presented neurological complications. ConclusionsNon-invasive respiratory support including High-Flow Nasal Oxygen and continuous positive airway pressure prevents ICU admission for a large proportion of patients with COVID-19 hypoxemic respiratory failure. In the context of the COVID pandemic, intermediate care units may play an important role in preserving ICU capacity by avoiding ICU admission for patients with worsening respiratory failure and allowing early discharge of ICU patients.

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