OBJECTIVE: Chronic disorders of consciousness are considered as a serious unresolved problem complicated by significant medical, social, and economic burden. Therefore, improving the conditions and facilitating the rehabilitation management of these patients is of particular interest. In recent years, interesting results of the use of spinal cord stimulation in patients with chronic disorders of consciousness appeared in the world literature, which makes the use of this technique promising in this category of patients.
PATIENTS AND METHODS: We analyzed the results of high cervical spinal cord stimulation, both, in tonic and "Burst" modes, in 21 patients with chronic disorders of consciousness and severe spasticity managed in the last two years in FRCC ICMR. In 9 of them pre- and post-stimulation fMRI before and right after the stimulation was also performed for brain functional connectivity assessment.
RESULTS: Improvement of the consciousness level was observed in 38.1% (n = 8) and a decrease in spasticity was obtained in 52.4% (n=11) of the patients. The difference in CRS-R score before and after spinal cord stimulation was statistically significant (p=0.028). The fMRI results revealed an increase in functional connectivity of the right anterior insula with several areas that are part of the Dorsal Attention, Visual and Default Mode networks after spinal cord stimulation.
CONCLUSIONS: Epidural spinal stimulation at the upper cervical spine level demonstrated its effectiveness in patients with chronic diseases of consciousness of various etiology. Evaluation of the effect of specific stimulation modes requires further controlled study in larger group of patients.
L'articolo The use of epidural spinal cord stimulation in patients with chronic disorders of consciousness – neuroimaging and clinical results sembra essere il primo su European Review.
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