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Table 2 Summary of the MRI neuroimaging portfolio

From: Impact of remote ischemic preconditioning preceding coronary artery bypass grafting on inducing neuroprotection (RIPCAGE): study protocol for a randomized controlled trial

MRI imaging sequences Diagnostic target
T1, T2, proton density signal weighting Ischemic or hemorrhagic brain lesions.
Structural brain abnormalities (hydrocephalus, neurodevelopmental disorders, brain tumors).
Magnetization-prepared rapid acquisition gradient-echo (three-dimensional) Structural brain abnormalities.
Anatomical three-dimensional template for subsequent rs-fMRI coregistration.
Fluid attenuated inversion recovery Ischemic lesion of the brain parenchyma (acute, subacute, and chronic).
Diffusion-weighted imaging Discrimination between acute, subacute, and chronic ischemic lesions, based on reduced diffusibility in acute or subacute lesions presenting as high signal on diffusion-weighted imaging sequence and low signal on calculated apparent diffusion coefficient maps.
rs-fMRI Functional brain connectivity within neural networks. Comparison of functional connectivity patterns before and after operation.
  1. MRI, magnetic resonance imaging; rs-fMRI, resting-state functional magnetic resonance imaging.