What question did this study set out to answer?

To measure venous transit time and blood-brain barrier permeability in the deep brain and establish their normative values.

March 26, 2026Open Access

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Imaging Venous Transit Time and Blood–Brain Barrier Permeability of the Deep Brain

WSWen Shi JSJie SongUniversity of Geneva JWJiani Wu

Key Points

To measure venous transit time and blood-brain barrier permeability in the deep brain and establish their normative values.
Imaging techniques applied to assess deep-brain physiology.
Measurement of venous transit time (VTT) in the deep brain.
Assessment of blood-brain barrier (BBB) water permeability.
Establishment of normative values for venous transit time in the deep brain.
Identification of blood-brain barrier permeability levels.

Abstract

This is the first study to measure two parameters associated with deep-brain physiology, specifically VTT and BBB water permeability, and provide their normative values.

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Imaging Venous Transit Time and Blood–Brain Barrier Permeability of the Deep Brain

Key Points

Abstract

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