Glymphatic system dysfunction in recovered patients with mild COVID-19: A DTI-ALPS study, 2023, Wu et al.

Glymphatic system dysfunction in recovered patients with mild COVID-19: A DTI-ALPS study
Lin Wu; Zhi Zhang; Xiao Liang; Yao Wang; Yuan Cao; Meng Li; Fuqing Zhou

Central nervous sequelae are often reported in recovered patients with COVID-19. It is not clear whether recovered COVID-19 patients have glymphatic impairment and clinical correlation.

In this study, we demonstrated that mild COVID-19 patients experienced asymmetric bilateral glymphatic function decline after four months of recovery, and the decrease in glymphatic function was more obvious in older recovered patients. Our results further showed that recovered patients with right-sided glymphatic dysfunction experienced a greater proportion of cognitive decline (MoCA score <26) than patients with left-sided glymphatic dysfunction.

With COVID-19 infection over 90% of the general population currently, future studies of cognitive disorders in the older population should consider the impact of COVID-19 infection.

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