COVID-19 infection is significantly associated with chronically impaired cerebral vasoreactivity, results of a small study show. MedTwitter
Callen said it is"unknown whether the lack of statistical significance in the differences in vasoreactivity impairment with those living with long COVID symptoms is due to a lack of a biomechanistic correlation or due to statistical underpowering."
If it is the latter,"it may emphasize the role of vascular health in those living with long COVID symptoms and potentially all individuals living with COVID," he added., Jared Narvid, MD, associate professor of neuroradiology, University of California San Francisco, said it"adds to the literature suggesting a correlation between COVID-19 infection and measures of cerebrovascular abnormality.
Narvid, who was not involved with the research, added that"although it is a small case-control study, it is well executed and should encourage scientists to further study whether COVID-19 infection represents an independent risk factor for cerebrovascular disease." The investigators agree."Future studies are needed to determine the clinical implications arising from SARS-CoV-2–associated CVR impairment," they write.
The study was funded by a University of Colorado Department of Radiology Faculty Development Seed Grant. The investigators and Narvid report no relevant financial relationships.Batya Swift Yasgur, MA, LSW is a freelance writer with a counseling practice in Teaneck, New Jersey.
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