Strategies to help sufferers from Long COVID (LC) mostly focus on symptoms management. There is an urgent need for understanding whether and how the cerebrovascular system is implicated in emergent symptoms. Here we use advanced cerebral blood volume (CBV)-based imaging techniques to appropriately quantify changes in vascular reactivity in patients affected by LC compared to healthy volunteers. A slower vasodilation mechanisms, leading to inappropriate oxygen supply during neuronal function, could be used as biomarker and help clinical diagnosis.
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Alasiri et al. (2024) studied this question.
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