Preliminary findings suggest oxygen extraction fraction mapping differentiates migraine aura from TIA, indicating potential clinical utility.
Our preliminary findings suggest that migraine aura is associated with a focal increase in OEF during the acute phase, which can be captured using routine DSC perfusion MRI. OEF mapping may aid in distinguishing migraine aura from TIA, but further research is needed to confirm its clinical utility.
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Pernot et al. (2026) studied this question.
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