The Importance of DW-MRI and Longitudinal Impact of Cerebral Ischemic Lesions


John Forrest



  • MRI lesions are very frequent after TAVR and are associated with increased risk of clinically evident Stroke.
  • There is mounting evidence that MRI lesions are associated with delayed problems with cognition (including 2- 4x risk of cognitive decline, dementia, and risk of future stroke).
  • Further research into effects of MRI on long-term cognition are needed and are underway.
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