Somatosensory evoked potentials in the diagnosis of afferent pathway disorders in patients with poststroke hemiparesis


DOI: https://dx.doi.org/10.18565/therapy.2020.3.10-14

Diakonova E.N., Vorobyova N.V., Makerova V.V.

Ivanovo State Medical Academy of the Ministry of Healthcare of Russia
The aim of the study: to evaluate the structural and functional state of the sensory pathways of the spinal cord and brain on the paretic and healthy side in patients with hemiparetic syndrome in the acute and early recovery periods of ischemic stroke.
Material and methods. We examined 50 patients aged 47 to 65 years in the acute and early recovery periods of ischemic stroke. The structural and functional state of afferent pathways on paretic and healthy limbs was evaluated using short-latency somatosensory stimulation.
Results. Violation of conductivity by afferent conductive structures at the peripheral level in the acute period was detected on the side of the paresis, in the early recovery period on both sides, while more severe changes were observed on the side of the paresis. In both periods of ischemic stroke, there was a bilateral increase in the Central conduction time from the lower parts of the trunk to the somatosensory zone of the cerebral cortex, and a delay in the primary cortical activation of the somatosensory zone of the cerebral cortex.
Conclusions. The established features of involvement of the peripheral neuronal component of complex multicomponent post-stroke hemiparesis contribute to expanding the possibilities of rehabilitation correction involving both the paretic and healthy limb at the early stages of recovery.
Keywords: short-latency somatosensory evoked potentials, hemiparetic syndrome, ischemic stroke
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About the Autors

Elena N. Diakonova, MD, associate professor, professor of the Department of neurology and neurosurgery of the Institute of postgraduate education of Ivanovo State Medical Academy of the Ministry of Healthcare of Russia. Address: 153037, Ivanovo, 8 Sheremetyevo Avenue. Tel.: +7 (915) 840-24-83. E-mail: dyael@mail.ru
Natalia V. Vorobyova, neurologist of City clinical hospital named after S. I. Spasokukotsky of Moscow Healthcare Department, post-graduate student of the Department of neurology and neurosurgery of the Institute of postgraduate education of Ivanovo State Medical Academy of the Ministry of Healthcare of Russia. Address: 153037, Ivanovo, 8 Sheremetyevo Avenue. Tel.: +7 (963) 150-50-55. E-mail: vorobywek91@mail.ru
Veronika V. Makеrova, neurologist, Chief physician of Kochomskaya City hospital, post-graduate student of the Department of neurology and neurosurgery of the Institute of postgraduate education of Ivanovo State Medical Academy of the Ministry of Healthcare of Russia. Address: 153037, Ivanovo, 8 Sheremetyevo Avenue. Tel.: +7 (915) 832-78-57. E-mail: makerovaveronika@yandex.ru


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