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| Stroke patients hopeful after scientists develop revolutionary stimulation therapy |
Scientists working on a ground-breaking spinal cord stimulation therapy in Pittsburgh gave stroke victims new hope for regaining their movement.
Patients claim that the new technology immediately increases their arm and hand mobility, making it easier for them to carry out their regular daily tasks, authors reported in their work published in the journal Nature Medicine.
In order to activate healthy brain networks, a pair of thin metal electrodes that resemble spaghetti are implanted around the neck. For the first time in years, stroke patients are now able to fully open and close their fists, raise their arms above their heads, and cut a piece of steak with a knife and fork.
Researchers at the University of Pittsburgh Medical Centre demonstrate through a series of tests tailored to each patient that the stimulation enables patients to carry out a variety of complex activities, such as moving a hollow can or opening a lock. The research team's clinical evaluations reveal that stimulating the cervical nerve roots quickly increases the strength, range of motion, and functionality of the stroke patient's arm and hand.
Interestingly, the study discovers that the effects of stimulation seem to linger longer than the researchers had first hypothesised. Even after removing the device, the enhanced mobility maintained, indicating that it may serve as both an assistive and a restorative technique for stroke rehabilitation.
According to the team, the immediate effects of the stimulation allow for intense physical training, which may then result in even more pronounced long-term gains once the treatment is over.
“Thanks to years of preclinical research building up to this point, we have developed a practical, easy-to-use stimulation protocol adapting existing FDA-approved clinical technologies that could be easily translated to the hospital and quickly moved from the lab to the clinic,”said corresponding and co-senior author Marco Capogrosso, PhD, an assistant professor of neurological surgery at Pitt, in a university release.
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