Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis

Neuromodulators at the periphery, such as neuromuscular electrical stimulation (NMES), have been developed as add-on tools to regain upper extremity (UE) paresis after stroke, but this recovery has often been limited. To overcome these limits, novel strategies to enhance neural reorganization and fu...

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Main Authors: Shigeru Obayashi, Hirotaka Saito
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/12/2/810
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author Shigeru Obayashi
Hirotaka Saito
author_facet Shigeru Obayashi
Hirotaka Saito
author_sort Shigeru Obayashi
collection DOAJ
description Neuromodulators at the periphery, such as neuromuscular electrical stimulation (NMES), have been developed as add-on tools to regain upper extremity (UE) paresis after stroke, but this recovery has often been limited. To overcome these limits, novel strategies to enhance neural reorganization and functional recovery are needed. This review aims to discuss possible strategies for enhancing the benefits of NMES. To date, NMES studies have involved some therapeutic concerns that have been addressed under various conditions, such as the time of post-stroke and stroke severity and/or with heterogeneous stimulation parameters, such as target muscles, doses or durations of treatment and outcome measures. We began by identifying factors sensitive to NMES benefits among heterogeneous conditions and parameters, based on the “progress rate (PR)”, defined as the gains in UE function scores per intervention duration. Our analysis disclosed that the benefits might be affected by the target muscles, stroke severity and time period after stroke. Likewise, repetitive peripheral neuromuscular magnetic stimulation (rPMS) is expected to facilitate motor recovery, as already demonstrated by a successful study. In parallel, our efforts should be devoted to further understanding the precise neural mechanism of how neuromodulators make UE function recovery occur, thereby leading to overcoming the limits. In this study, we discuss the possible neural mechanisms.
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spelling doaj.art-768c49ce329a44afbe131edc90cbf0e72023-11-23T12:53:13ZengMDPI AGApplied Sciences2076-34172022-01-0112281010.3390/app12020810Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural BasisShigeru Obayashi0Hirotaka Saito1Department of Rehabilitation Medicine, Saitama Medical Center Saitama Medical University, Kawagoe 350-8550, JapanDepartment of Rehabilitation Medicine, Saitama Medical Center Dokkyo Medical University, Koshigaya 343-8555, JapanNeuromodulators at the periphery, such as neuromuscular electrical stimulation (NMES), have been developed as add-on tools to regain upper extremity (UE) paresis after stroke, but this recovery has often been limited. To overcome these limits, novel strategies to enhance neural reorganization and functional recovery are needed. This review aims to discuss possible strategies for enhancing the benefits of NMES. To date, NMES studies have involved some therapeutic concerns that have been addressed under various conditions, such as the time of post-stroke and stroke severity and/or with heterogeneous stimulation parameters, such as target muscles, doses or durations of treatment and outcome measures. We began by identifying factors sensitive to NMES benefits among heterogeneous conditions and parameters, based on the “progress rate (PR)”, defined as the gains in UE function scores per intervention duration. Our analysis disclosed that the benefits might be affected by the target muscles, stroke severity and time period after stroke. Likewise, repetitive peripheral neuromuscular magnetic stimulation (rPMS) is expected to facilitate motor recovery, as already demonstrated by a successful study. In parallel, our efforts should be devoted to further understanding the precise neural mechanism of how neuromodulators make UE function recovery occur, thereby leading to overcoming the limits. In this study, we discuss the possible neural mechanisms.https://www.mdpi.com/2076-3417/12/2/810cortical reorganizationfunctional near-infrared spectroscopyupper extremity paresisneuromuscular electrical stimulationneuronal plasticityneurorehabilitation
spellingShingle Shigeru Obayashi
Hirotaka Saito
Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis
Applied Sciences
cortical reorganization
functional near-infrared spectroscopy
upper extremity paresis
neuromuscular electrical stimulation
neuronal plasticity
neurorehabilitation
title Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis
title_full Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis
title_fullStr Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis
title_full_unstemmed Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis
title_short Neuromuscular Stimulation as an Intervention Tool for Recovery from Upper Limb Paresis after Stroke and the Neural Basis
title_sort neuromuscular stimulation as an intervention tool for recovery from upper limb paresis after stroke and the neural basis
topic cortical reorganization
functional near-infrared spectroscopy
upper extremity paresis
neuromuscular electrical stimulation
neuronal plasticity
neurorehabilitation
url https://www.mdpi.com/2076-3417/12/2/810
work_keys_str_mv AT shigeruobayashi neuromuscularstimulationasaninterventiontoolforrecoveryfromupperlimbparesisafterstrokeandtheneuralbasis
AT hirotakasaito neuromuscularstimulationasaninterventiontoolforrecoveryfromupperlimbparesisafterstrokeandtheneuralbasis