Evaluation of changes in the cortical gait control in post-stroke patients induced by the use of the “Regent” soft exoskeleton complex (SEC) by navigated transcranial magnetic stimulation

Poydasheva, A.; Saenko, I. A.; Chervyakov, A. V.; Zmeykina, E.; Lukmanov, R. H.; Черникова, Л. А.; Супонева, Н. А.; Piradov, М. А.; Kozlovskaya, I. B.

doi:10.1134/s0362119716030142

Cited by 6 publications

(24 citation statements)

References 20 publications

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“…Two RCT studies (PEDro=7-8) reported an increase in map size after BWSTT training [35,41]. Furthermore, in their pre/post study (PEDro=2), Poydasheva et al [56] did not observe a significant change in this same parameter. Yang et al [41] found that this increase in map size after gait training was greater in subacute patients compared to chronic patients.…”

Section: Resultsmentioning

confidence: 97%

“…Five of these studies [40,42–45] presented high methodological quality and two [46,49] were of moderate quality. However, eight studies did not report significant change [34,47,48,50,51,53,55,56] and one study showed a decrease in MEP amplitudes after gait-specific training [54]. Six of these seven studies were of moderate to low methodological quality.…”

Section: Resultsmentioning

confidence: 99%

“…Furthermore, the MEP increases after training have been observed in RF [42,44], TA [43,44,46], SOL [45], MG [44], HA [40] and extensor carpi radialis [46] muscles. However, it is important to mention that eight studies did not report significant change [34,47,48,50,51,53,55,56] and one study [54] showed a decrease in MEP amplitudes after gait-specific training. These studies were mostly of low and moderate methodological quality and performed in participants at the chronic stage.…”

Section: Discussionmentioning

confidence: 99%

“…In the present review, several clinical trials reported a reduced MT after gait-specific training ( e.g ., robotic training [44] or BWSTT [35,41,44]) in stroke survivors. An important finding was also the reduction in MEP latency after task-specific gait training [34,43,44,49,56]. This variable appears to be an indicator of lower limb impairment and walking limitations [64].…”

Section: Discussionmentioning

confidence: 99%

“…MEP latency: Seven studies investigated the effect of gait-specific training on MEP latency. Data from the five studies indicated a decrease in response to conventional gait training [49], robotic training [43,44,49,56], treadmill training [34] and BWSTT [44]. Three of these studies were RCTs (PEDro=6-7) and two were pre/post studies (PEDro=2-4).…”

Section: Effect Of Gait-specific Training On Corticospinal Excitabilitymentioning

confidence: 99%

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Corticospinal Responses Following Gait-Specific Training in Stroke Survivors: A Systematic Review

Cherni

Tremblay

Simon

et al. 2022

Preprint

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Background: Corticospinal excitability is subject to alterations after stroke. While the reversal of these alterations has been proposed as an underlying mechanism for improvement walking capacity after gait-specific training, this has not yet been clearly demonstrated. Therefore, the objective of this review is to evaluate the effect of gait-specific training on corticospinal excitability in stroke survivors. Design: Systematic review of the literature Methods: We conducted an electronic database search in four databases (i.e., Medline, Embase, CINAHL and Web of Science) in June 2022. Two authors independently screened and selected all studies that investigated the effect of gait-specific training in post-stroke individuals on variables such as motor-evoked potential amplitude, motor threshold, map size, latency, and corticospinal silent period. Results: Nineteen studies investigating the effect of gait-specific training on corticospinal excitability were included. Some studies showed an increased MEP amplitude (7/16 studies), a decreased latency (5/7studies), a decreased motor threshold (4/8 studies), an increased map size (2/3 studies) and a decreased cortical silent period (1/2 study) after gait-specific training. No change has been reported in term of short interval intracortical inhibition after training. Five studies did not report any significant effect after gait-specific training on corticospinal excitability. Conclusion: The results of this systematic review suggest that gait-specific training modalities can drive neuroplastic adaptation among stroke survivors. However, given the methodological disparity of the included studies, further clinical trials with better methodological quality are needed to draw conclusions. Hence, the findings from this review can serve as a rationale for future studies and continued efforts in investigating the effects of gait-specific training on the central nervous system. Keywords: Locomotion, Task-oriented training, Corticospinal tract, Stroke, Neuroplasticity

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