I expect a protocol to be written about this and delivered to all 10 million yearly stroke survivors now and into the future.
Evidence of Neuroplasticity With Robotic Hand Exoskeleton Study for Post-Stroke Rehabilitation: A Randomized Controlled Trial
Preprint from
Research Square,
10 Nov 2020
DOI:
10.21203/rs.3.rs-67841/v2 PPR: PPR236907
Preprint v2
This article is a preprint. It may not have been peer reviewed.Preprint version history
- Version 2 [10 Nov 2020]
- Version 1 [02 Sep 2020]
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Abstract
Abstract
Background :
A novel electromechanical robotic-exoskeleton was designed
in-house for rehabilitation of wrist joint and Metacarpophalangeal
(MCP) joint.
Objective:
The objective was to compare the rehabilitation
effectiveness (clinical-scales and neurophysiological-measures) of
robotic-therapy training-sessions with dose-matched control in patients
with stroke.
Methods:
A pilot prospective parallel single-blinded
randomized controlled study at clinical-settings was designed with
patients with stroke within 2 years of chronicity. Patients were
randomly assigned to receive an intervention of 20 sessions of
45-minutes each, five days a week for four-weeks, in Robotic-therapy
Group (RG) (n=12) and conventional upper-limb rehabilitation in
Control-Group (CG) (n=11). We hypothesized to evaluate the exoskeleton
based therapy for the effects on functionality of upper-limb and
cortical-excitability in patients with stroke as compared to
conventional-rehabilitation. Clinical-scales– Modified Ashworth Scale,
Active Range of Motion, Barthel-Index, Brunstrom stage and Fugl-Meyer
scale (Shoulder/Elbow and Wrist/Hand component), and
neurophysiological-measures of cortical-excitability (using Transcranial
Magnetic Stimulation) –Motor Evoked Potential and Resting
Motor-threshold, were acquired pre and post-therapy. No side effects
were noticed in any of the patients. Results : RG and CG showed
significant (p<0.05) improvement in all clinical motor-outcomes
except Modified Ashworth Scale in CG. RG showed significantly
(p<0.05) higher improvement over CG in Modified Ashworth Scale,
Active Range of Motion and Fugl-Meyer (FM) scale and FM Wrist-/Hand
component). Increase in cortical-excitability in ipsilesional hemisphere
was found to be statistically significant (p<0.05) in RG over CG, as
indexed by decrease in Resting Motor-Threshold and increase in
amplitude of Motor Evoked Potential. No significant changes were shown
by the contralesional-hemisphere. Interhemispheric RMT-asymmetry
evidenced significant (p<0.05) changes in RG over CG indicating
increased cortical-excitability in ipsilesional-hemisphere along with
interhemispheric changes.
Conclusion:
Neurophysiological changes in RG
could most likely be a consequence of plastic-reorganization and
use-dependent plasticity. Robotic-exoskeleton training could
significantly improve motor-outcomes and cortical-excitability in
patients with stroke.
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