Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation

Peripheral nerve injury can lead to chronic pain, paralysis, and loss of sensation, severely affecting quality of life. Spinal cord stimulation has been used in the clinic to provide pain relief arising from peripheral nerve injuries, however, its ability to restore function after peripheral nerve i...

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Main Authors: Santosh Chandrasekaran, Nikunj A. Bhagat, Richard Ramdeo, Sadegh Ebrahimi, Pawan D. Sharma, Doug G. Griffin, Adam Stein, Susan J. Harkema, Chad E. Bouton
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-07-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnins.2023.1210544/full
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author Santosh Chandrasekaran
Nikunj A. Bhagat
Nikunj A. Bhagat
Richard Ramdeo
Sadegh Ebrahimi
Pawan D. Sharma
Doug G. Griffin
Adam Stein
Susan J. Harkema
Susan J. Harkema
Susan J. Harkema
Susan J. Harkema
Chad E. Bouton
Chad E. Bouton
author_facet Santosh Chandrasekaran
Nikunj A. Bhagat
Nikunj A. Bhagat
Richard Ramdeo
Sadegh Ebrahimi
Pawan D. Sharma
Doug G. Griffin
Adam Stein
Susan J. Harkema
Susan J. Harkema
Susan J. Harkema
Susan J. Harkema
Chad E. Bouton
Chad E. Bouton
author_sort Santosh Chandrasekaran
collection DOAJ
description Peripheral nerve injury can lead to chronic pain, paralysis, and loss of sensation, severely affecting quality of life. Spinal cord stimulation has been used in the clinic to provide pain relief arising from peripheral nerve injuries, however, its ability to restore function after peripheral nerve injury have not been explored. Neuromodulation of the spinal cord through transcutaneous spinal cord stimulation (tSCS), when paired with activity-based training, has shown promising results towards restoring volitional limb control in people with spinal cord injury. We show, for the first time, the effectiveness of targeted tSCS in restoring strength (407% increase from 1.79 ± 1.24 N to up to 7.3 ± 0.93 N) and significantly increasing hand dexterity in an individual with paralysis due to a peripheral nerve injury (PNI). Furthermore, this is the first study to document a persisting 3-point improvement during clinical assessment of tactile sensation in peripheral injury after receiving 6 weeks of tSCS. Lastly, the motor and sensory gains persisted for several months after stimulation was received, suggesting tSCS may lead to long-lasting benefits, even in PNI. Non-invasive spinal cord stimulation shows tremendous promise as a safe and effective therapeutic approach with broad applications in functional recovery after debilitating injuries.
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spelling doaj.art-8fe697883d3f42e6bb47593682e82b2b2023-07-17T06:55:04ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2023-07-011710.3389/fnins.2023.12105441210544Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulationSantosh Chandrasekaran0Nikunj A. Bhagat1Nikunj A. Bhagat2Richard Ramdeo3Sadegh Ebrahimi4Pawan D. Sharma5Doug G. Griffin6Adam Stein7Susan J. Harkema8Susan J. Harkema9Susan J. Harkema10Susan J. Harkema11Chad E. Bouton12Chad E. Bouton13Neural Bypass and Brain Computer Interface Laboratory, Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United StatesNeural Bypass and Brain Computer Interface Laboratory, Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United StatesDepartment of Physical Medicine and Rehabilitation, University of Texas Health Science Center, Houston, TX, United StatesNeural Bypass and Brain Computer Interface Laboratory, Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United StatesNeural Bypass and Brain Computer Interface Laboratory, Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United StatesKentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, KY, United StatesNorthwell Health STARS Rehabilitation, East Meadow, NY, United StatesDepartment of Physical Medicine and Rehabilitation, Donald and Barbara Zucker School of Medicine at Hofstra, Northwell Health, Manhasset, NY, United StatesKentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, KY, United StatesDepartment of Bioengineering, University of Louisville, Louisville, KY, United StatesFrazier Rehabilitation Institute, University of Louisville Health, Louisville, KY, United StatesDepartment of Neurological Surgery, University of Louisville, Louisville, KY, United StatesNeural Bypass and Brain Computer Interface Laboratory, Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, United StatesDonald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, United StatesPeripheral nerve injury can lead to chronic pain, paralysis, and loss of sensation, severely affecting quality of life. Spinal cord stimulation has been used in the clinic to provide pain relief arising from peripheral nerve injuries, however, its ability to restore function after peripheral nerve injury have not been explored. Neuromodulation of the spinal cord through transcutaneous spinal cord stimulation (tSCS), when paired with activity-based training, has shown promising results towards restoring volitional limb control in people with spinal cord injury. We show, for the first time, the effectiveness of targeted tSCS in restoring strength (407% increase from 1.79 ± 1.24 N to up to 7.3 ± 0.93 N) and significantly increasing hand dexterity in an individual with paralysis due to a peripheral nerve injury (PNI). Furthermore, this is the first study to document a persisting 3-point improvement during clinical assessment of tactile sensation in peripheral injury after receiving 6 weeks of tSCS. Lastly, the motor and sensory gains persisted for several months after stimulation was received, suggesting tSCS may lead to long-lasting benefits, even in PNI. Non-invasive spinal cord stimulation shows tremendous promise as a safe and effective therapeutic approach with broad applications in functional recovery after debilitating injuries.https://www.frontiersin.org/articles/10.3389/fnins.2023.1210544/fullperipheral nerve injury (PNI)spinal cord stimulation (SCS)neuromodulationmotor restorationtactile sensation
spellingShingle Santosh Chandrasekaran
Nikunj A. Bhagat
Nikunj A. Bhagat
Richard Ramdeo
Sadegh Ebrahimi
Pawan D. Sharma
Doug G. Griffin
Adam Stein
Susan J. Harkema
Susan J. Harkema
Susan J. Harkema
Susan J. Harkema
Chad E. Bouton
Chad E. Bouton
Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
Frontiers in Neuroscience
peripheral nerve injury (PNI)
spinal cord stimulation (SCS)
neuromodulation
motor restoration
tactile sensation
title Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
title_full Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
title_fullStr Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
title_full_unstemmed Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
title_short Case study: persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
title_sort case study persistent recovery of hand movement and tactile sensation in peripheral nerve injury using targeted transcutaneous spinal cord stimulation
topic peripheral nerve injury (PNI)
spinal cord stimulation (SCS)
neuromodulation
motor restoration
tactile sensation
url https://www.frontiersin.org/articles/10.3389/fnins.2023.1210544/full
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