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Brain-Wave Cap Saves Lives by Identifying Strokes

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A woman being fitted with the brain-wave cap.

The cap, called StrokePointer, allows an EEG (electroencephalogram) to show whether an ischemic stroke has occurred, in which occurs brain tissues do not get enough oxygen due to the blockage of blood supply to that part of the brain.

Credit: Amsterdam UMC

The StrokePointer brain-wave cap designed by researchers in the Netherlands can diagnose large vessel occlusion (LVO) stroke while patients are in an ambulance.

Amsterdam University Medical Centers (UMC) researchers said the cap enables an electroencephalogram to check for an ischemic stroke, as well as measuring the extent of cerebral blood vessel blockage to determine the appropriate treatment.

The researchers used StrokePointer in 12 Dutch ambulances between 2018 and 2022, with data collected from nearly 400 patients bolstering their confidence the cap can "recognize patients with a large ischemic stroke with great accuracy."

Amsterdam UMC spin-off TrainecT aims to commercialize StrokePointer, with the company website saying the cap's algorithm was trained on the world's largest pre-hospital EEG database to diagnose LVO stroke among suspected acute stroke patients, achieving more than 80% diagnostic accuracy.

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