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Seizure-sensing armband designed to avoid wasting lives



According to a recent study, between seven and seventeen p.c of all epilepsy-related deaths square measure thanks to a complication called unforeseen sudden Death in encephalopathy (SUDEP). though SUDEP is not well understood, it's hoped that a brand new armband could facilitate stop it in its tracks.

SUDEP usually happens once the victim is asleep at nighttime, and is believed to be related to severe seizures. Currently, such nocturnal seizures square measure detected victimisation motion-sensitive sensors within the patient's bed. semiconductor diode by the Netherlands' Kempenhaeghe encephalopathy centre, beside the Eindhoven University of Technology, a Dutch association launched to style a system that worked higher than such sensors. The result's the NightWatch armband.

Designed to be used by people with Associate in Nursing intellectual incapacity and severe therapy-resistant encephalopathy (who square measure notably in danger of SUDEP), the device is worn on their higher arm as they sleep. As they are doing thus, it uses optical sensors to live their pulse, beside accelerometers to discover the beating jarring movements that square measure distinctive to seizures.

If such movements square measure detected – beside Associate in Nursing abnormally quick heartbeat – the device sounds Associate in Nursing alarm and wirelessly alerts caregivers, so that they will quickly come back to the wearer's aid. 

It is hoped that the NightWatch armband may cut back SUDEP deaths by 2 thirds, The device was tested on twenty eight intellectually unfit encephalopathy patients for a median of sixty five nights per patient, with video cameras additionally being employed to capture all of their nocturnal seizures. in comparison to the video footage, the NightWatch was found to with success discover eighty five p.c of all serious attacks, and ninety six p.c of the foremost severe ones. against this, a standard bed-based detector that was in addition in use solely detected twenty one p.c of the intense seizures.

Eindhoven's faculty member. Johan Arends, World Health Organization is that the leader of the study, hopes that the armband may ultimately cut back SUDEP deaths by 2 thirds. The technology is being developed by spinoff company LivAssured, and is represented in a very paper that was recently revealed within the journal Neurology.

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