Blood-brain barrier water exchange measurements using FEXI: Impact of modeling paradigm and relaxation time effects.
Elizabeth PowellYolanda OheneMarco BattistonBen R DickieLaura Michelle ParkesGeoffrey J M ParkerPublished in: Magnetic resonance in medicine (2023)
Compartmental modelling of BBB-FEXI signals can provide accurate and repeatable measurements of BBB water exchange; however, relaxation time and partial volume effects may cause model-dependent biases.