Journal of Society of Indian Physiotherapists

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A comparison between the effectiveness of transcranial direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) on corticospinal excitability in chronic stroke: A review of literature

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Review Article

Author Details : Jude John Dsouza*, Leah Mohandas

Volume : 4, Issue : 2, Year : 2020

Article Page : 57-64

https://10.18231/j.jsip.2020.008

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Abstract

Background: Stroke is defined as abrupt onset neurological disorder of vascular aetiology. Stroke
represented 1.2% of total deaths in India. Upper extremity paresis is a leading cause of functional disability
after a stroke as it causes difficulty in everyday life. Decreased corticospinal excitability of lesioned
hemisphere is a well recognized neurophysiological consequence after stroke. The level of excitability
of affected hemisphere correlates with motor function and predicts recovery. Transcranial direct current
stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) have gained popularity in the
stroke rehabilitation literature.
Aims and Objectives: To compare the effects of transcranial direct current stimulation and repetitive
transcranial magnetic stimulation on corticospinal excitability in chronic stroke.
Materials and Methods: A thorough electronic search was made through various databases such as
PubMed, ScienceDirect and Google Scholar. The total number of articles included were 20 of which 8
were RCTs, 2 systematic reviews, 3 literature reviews, 4 experimental studies and 3 crossover trials.
Conclusion: tDCS has therapeutic applications in restoring the interhemispheric balance between the
unlesioned and lesioned hemisphere, hence alleviating symptoms such as apraxia, spatial neglect, and
gait. tDCS can also be used along with other peripheral intervention techniques such as occupational
therapy, robot-assisted arm therapy and physical therapy to accelerate recovery in chronic stroke patients.
On the other hand, rTMS has been used as an evaluative, prognostic (along with CT scan and MRI) and
rehabilitative tool in common practice to assess disability in chronic stroke patient.

Keywords: Neuromodulation, Stroke recovery, Transcranial direct current stimulation, Repetitive transcranial magnetic
stimulation.

How to cite : Dsouza J J , Mohandas L, A comparison between the effectiveness of transcranial direct current stimulation (tDCS) and repetitive transcranial magnetic stimulation (rTMS) on corticospinal excitability in chronic stroke: A review of literature. J Soc Indian Physiother 2020;4(2):57-64

Copyright © 2020 by author(s) and J Soc Indian Physiother. This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org)