Stroke recovery treatment: new technology found

A new stretchable electronics has been found for stroke recovery treatment which has proven to be a game changer. A groundbreaking new wearable designed to be worn on the throat could have been developed in the field of stroke rehabilitation in the Northwestern University. The new technology’s sensor is the latest growing portfolio of stretchable electronics that are precise enough for use in advanced medical care and portable enough to be worn outside the hospital, even during extreme exercise.

The sensors stick directly to the skin, moving with the body and providing detailed health metrics including heart function, muscle activity, and quality of sleep. “Stretchable electronics allow us to see what is going on inside patients’ bodies at a level traditional wearables simply cannot achieve”, he said. “The key is to make them as integrated as possible with the human body.”

The new bandage-like throat sensor measured patients’ swallowing ability and patterns of speech.
The sensors aid in the diagnosis and treatment of aphasia, a communication disorder associated with stroke.

The tools that speech-language pathologists have traditionally used to monitor patients’ speech function – such as microphones – cannot distinguish between patients’ voices and ambient noise.
“Our sensors solve that problem by measuring vibrations of the vocal chords”, he said. “But they only work when worn directly on the throat, which is a very sensitive area of the skin. We developed novel materials for this sensor that bend and stretch with the body, minimizing discomfort to patients”.

A research hospital  collaborated with the scientist for the research, used the throat sensor in conjunction with electronic biosensors – also developed in his lab – on the legs, arms and chest to monitor stroke patients' recovery progress.

The intermodal system of sensors streamed data wirelessly to clinicians’ phones and computers, providing a quantitative, full-body picture of patients’ advanced physical, and physiological responses in real time.

“One of the biggest problems we face with stroke patients is that their gains tend to drop off when they leave the hospital”, said  a research scientist. “With the home monitoring enabled by these sensors, we can intervene at the right time, which could lead to better, faster recoveries for patients”.
Because the sensors are wireless, they eliminated barriers posed by traditional health monitoring devices in clinical settings.

Data from the sensors would be presented in a dashboard that is easy for both clinicians and patients to understand. It would send alerts when patients are under-performing on a certain metric and would allow them to set and track progress toward their goals.         
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