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Article . 2022 . Peer-reviewed
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Abstract TMP20: Cerebrovascular Injury Associated With COVID-19 And Non-COVID-19 Acute Respiratory Distress Syndrome

Authors: Aaron Shoskes; Merry Huang; Catherine Hassett; aron gedansky; Andrew B Buletko; Abhijit Duggal; Ken Uchino; +1 Authors

Abstract TMP20: Cerebrovascular Injury Associated With COVID-19 And Non-COVID-19 Acute Respiratory Distress Syndrome

Abstract

Background: Neurologic complications of Coronavirus Disease 2019 (COVID-19) may be associated with neurotropism of the virus or secondary brain injury from systemic inflammation. Acute respiratory distress syndrome (ARDS) is associated with cerebrovascular injury, including both ischemia and hemorrhage. We aimed to compare brain MRI findings of COVID-19 associated ARDS with non-COVID-19 ARDS. Methods: A registry of patients with COVID-19 from March 2020 through July 2021 from a hospital network was reviewed. Patients who met criteria for ARDS by Berlin definition and underwent MRI during their hospitalization were included. These patients were matched 1:1 by age and sex with patients who underwent MRI from another registry of patients of ARDS in the same hospital between 2010 and 2018. Cerebrovascular injury was classified as either acute cerebral ischemia (ischemic infarct or hypoxic ischemic brain injury) or intracranial hemorrhage (ICH) including intraparenchymal hemorrhage, subarachnoid hemorrhage, subdural hematoma, and cerebral microbleeds (CMBs). Results: Of 13,319 patients with COVID-19 infection, 26 patients had ARDS and MRI. Sixty-six of 678 non-COVID-19 ARDS patients had an MRI and were matched 1:1 by age and sex resulting in 23 matched pairs. The median age was 66 and 59% of patients were male. Patients with COVID-19 ARDS were more likely to have hypertension and chronic kidney disease but otherwise baseline medical characteristics were similar. ARDS severity as determined by PaO2/FiO2 ratio at ICU admission was similar between both groups. No difference was seen in the prevalence of cerebrovascular injury (52% vs 61%, p=0.8), cerebral ischemia (35% vs 43%, p=0.8), ICH (43% vs 48%, p=1.0), or CMBs (43% vs 39% p=1.0) on MRI between the COVID-19 and non-COVID-19 cohorts. However, two unique patterns of injury were seen only among COVID-19 patients: hemorrhagic leukoencephalitis (3 patients, 12%) and bilateral cerebral peduncular ischemia with microhemorrhage (2 patients, 8%). Conclusion: Cerebrovascular injury was common in both COVID-19 and non-COVID-19 ARDS without significant frequency difference. However, COVID-19 ARDS had unique neuroimaging patterns that may indicate distinct patterns of brain injury of COVID-19.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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