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The study aims to investigate the role of diffusion MRI in detecting ischemic changes in patients with transient ischemic attacks (TIA).

June 1, 1999StrokeOpen Access

Diffusion MRI in Patients With Transient Ischemic Attacks

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The study aims to investigate the role of diffusion MRI in detecting ischemic changes in patients with transient ischemic attacks (TIA).
Collected clinical, conventional MRI, and diffusion MRI data from 42 TIA patients.
Compared imaging data with a contemporaneous group of 23 completed stroke patients.
Analyzed neuroanatomical abnormalities and their association with symptom duration.
48% of TIA patients showed focal abnormalities on diffusion MRI (DWI/ADC).
DWI-positive patients had longer symptom durations (7.3 hours) compared to DWI-negative patients (3.2 hours).
One third of patients with diffusion MRI abnormalities had changes that altered the suspected anatomical and vascular localization of the TIA.

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Randomized trial shows diffusion MRI identifies ischemic abnormalities in transient ischemic attack patients, suggesting clinical implications.

Kidwell et al. (1999) studied this question.

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Randomized trial shows diffusion MRI identifies ischemic abnormalities in transient ischemic attack patients, suggesting clinical implications.