Researchers at the University of Pittsburgh School of Medicine have challenged long-held assumptions about stroke recovery timelines with a pilot clinical trial demonstrating the efficacy of spinal cord stimulation. Published in Nature Medicine, the study shows that precisely targeted electrical stimulation of spinal circuits controlling arm and hand movements can produce meaningful improvements in chronic stroke survivors—years after their initial injury.
Traditionally, stroke rehabilitation exhibits diminishing returns after the first six months, with patients reaching functional plateaus. However, this groundbreaking research indicates that therapeutic potential extends far beyond this window. The pilot trial participants experienced sustained motor improvements over a four-year follow-up period, suggesting that the brain and spinal cord retain plasticity capabilities previously thought dormant in the chronic phase. This represents the first clinical application of this neurotherapeutic approach for stroke recovery, offering renewed hope to millions of chronic stroke survivors who have exhausted conventional rehabilitation options.
Read the full article on GMJ Newsroom.
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