The perivascular space is a conduit for cerebrospinal fluid flow in humans: A proof-of-principle report, 2024, Yamamoto et al.

The perivascular space is a conduit for cerebrospinal fluid flow in humans: A proof-of-principle report
Yamamoto, Erin A.; Bagley, Jacob H.; Geltzeiler, Mathew; Sanusi, Olabisi R.; Dogan, Aclan; Liu, Jesse J.; Piantino, Juan

The glymphatic pathway was defined in rodents as a network of perivascular spaces (PVSs) that facilitates organized distribution of cerebrospinal fluid (CSF) into the brain parenchyma. To date, perivascular CSF and cerebral interstitial fluid exchange has not been shown in humans. Using intrathecal gadolinium contrast-enhanced MRI, we show that contrast-enhanced CSF moves through the PVS into the parenchyma, supporting the existence of a glymphatic pathway in humans.

Link | PDF (Proceedings of the National Academy of Sciences) [Open Access]

 

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