An automated analysis pipeline was developed to detect and analyze the trajectories of dynamic diffusion abnormalities (DDAs) in a rat model of severe ischemic injury. DDAs were detected in both hemispheres of the brain and perilesional DDAs propagated along the infarct boundary. Infarct volume, quantified using apparent diffusion coefficient (ADC), increased during the recording period concomitantly with detected DDAs. Our approach could provide the means to explore the causal relationship between DDAs hypothesized to correspond with peri-infarct depolarizations and secondary expansion of infarcted tissue.
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Gangolli et al. (2024) studied this question.
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