Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Vascular Dysfunctions Contribute to the Long-term Cognitive Deficits Following COVID-19

Version 1 : Received: 31 May 2023 / Approved: 2 June 2023 / Online: 2 June 2023 (09:38:56 CEST)

A peer-reviewed article of this Preprint also exists.

Shabani, Z.; Liu, J.; Su, H. Vascular Dysfunctions Contribute to the Long-Term Cognitive Deficits Following COVID-19. Biology 2023, 12, 1106, doi:10.3390/biology12081106. Shabani, Z.; Liu, J.; Su, H. Vascular Dysfunctions Contribute to the Long-Term Cognitive Deficits Following COVID-19. Biology 2023, 12, 1106, doi:10.3390/biology12081106.

Abstract

As the name implies, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a single-stranded RNA virus and a member of the corona virus family, primarily affecting the upper respiratory system and the lungs. Like many other respiratory viruses, SARS-CoV-2 can spread to other organ systems. Apart from causing diarrhea, another most common but debilitating complication caused by the SARS-CoV-2 is neurological symptoms and cognitive difficulties, which occur in up to two thirds of hospitalized covid patients and ranging from shortness of concentration, overall declined cognitive speed to executive or memory function impairment. Neuro-cognitive dysfunction and “brain fog” are frequently present in COVID-19 cases, which can last several months after the infection, leading to disruption of daily life. Cumulative evidence suggests that SARS-CoV-2 affects vasculature in the extra pulmonary systems directly or indirectly, leading to impairment of endothelial function and even multi-organ damage. The post COVID-19 long-lasting neurocognitive impairments have not been studied fully; and the underlying mechanism remains elusive. In this review, we summarize the current understanding of the effects of COVID-19 on vascular dysfunction and how vascular dysfunction leads to cognitive impairment in patients.

Keywords

Long-COVID-19; SARS-CoV-2; Endothelial cells; Cognitive dysfunction; Blood Brain Barrier; Neuro-inflammation

Subject

Biology and Life Sciences, Cell and Developmental Biology

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