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Lassi M, Dalise S, Bandini A, Spina V, Azzollini V, Vissani M, Micera S, Mazzoni A, Chisari C. Neurophysiological underpinnings of an intensive protocol for upper limb motor recovery in subacute and chronic stroke patients. Eur J Phys Rehabil Med 2024; 60:13-26. [PMID: 37987741 DOI: 10.23736/s1973-9087.23.07922-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
BACKGROUND Upper limb (UL) motor impairment following stroke is a leading cause of functional limitations in activities of daily living. Robot-assisted therapy supports rehabilitation, but how its efficacy and the underlying neural mechanisms depend on the time after stroke is yet to be assessed. AIM We investigated the response to an intensive protocol of robot-assisted rehabilitation in sub-acute and chronic stroke patients, by analyzing the underlying changes in clinical scores, electroencephalography (EEG) and end-effector kinematics. We aimed at identifying neural correlates of the participants' upper limb motor function recovery, following an intensive 2-week rehabilitation protocol. DESIGN Prospective cohort study. SETTING Inpatients and outpatients from the Neurorehabilitation Unit of Pisa University Hospital, Italy. POPULATION Sub-acute and chronic stroke survivors. METHODS Thirty-one stroke survivors (14 sub-acute, 17 chronic) with mild-to-moderate UL paresis were enrolled. All participants underwent ten rehabilitative sessions of task-oriented exercises with a planar end-effector robotic device. All patients were evaluated with the Fugl-Meyer Assessment Scale and the Wolf Motor Function Test, at recruitment (T0), end-of-treatment (T1), and one-month follow-up (T2). Along with clinical scales, kinematic parameters and quantitative EEG were collected for each patient. Kinematics metrics were related to velocity, acceleration and smoothness of the movement. Relative power in four frequency bands was extracted from the EEG signals. The evolution over time of kinematic and EEG features was analyzed, in correlation with motor recovery. RESULTS Both groups displayed significant gains in motility after treatment. Sub-acute patients displayed more pronounced clinical improvements, significant changes in kinematic parameters, and a larger increase in Beta-band in the motor area of the affected hemisphere. In both groups these improvements were associated to a decrease in the Delta-band of both hemispheres. Improvements were retained at T2. CONCLUSIONS The intensive two-week rehabilitation protocol was effective in both chronic and sub-acute patients, and improvements in the two groups shared similar dynamics. However, stronger cortical and behavioral changes were observed in sub-acute patients suggesting different reorganizational patterns. CLINICAL REHABILITATION IMPACT This study paves the way to personalized approaches to UL motor rehabilitation after stroke, as highlighted by different neurophysiological modifications following recovery in subacute and chronic stroke patients.
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Affiliation(s)
- Michael Lassi
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Stefania Dalise
- Neurorehabilitation Unit, Pisa University Hospital, Pisa, Italy
| | - Andrea Bandini
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
- Health Science Interdisciplinary Research Center, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Vincenzo Spina
- Neurorehabilitation Unit, Pisa University Hospital, Pisa, Italy
| | | | - Matteo Vissani
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
- Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Massachusetts General Hospital, Boston, MA, USA
| | - Silvestro Micera
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
- Bertarelli Foundation Chair in Translational Neural Engineering, Center for Neuroprosthetics and Institute of Bioengineering, École Polytechnique Fèdèrale de Lausanne, Lausanne, Switzerland
| | - Alberto Mazzoni
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy
- Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Carmelo Chisari
- Neurorehabilitation Unit, Pisa University Hospital, Pisa, Italy -
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Gong Q, Yan R, Chen H, Duan X, Wu X, Zhang X, Zhou Y, Feng Z, Chen Y, Liu J, Xu P, Qiu J, Liu H, Hou J. Effects of cerebellar transcranial direct current stimulation on rehabilitation of upper limb motor function after stroke. Front Neurol 2023; 14:1044333. [PMID: 37006504 PMCID: PMC10060824 DOI: 10.3389/fneur.2023.1044333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 02/16/2023] [Indexed: 03/18/2023] Open
Abstract
BackgroundThe cerebellum is involved in the control and coordination of movements but it remains unclear whether stimulation of the cerebellum could improve the recovery of upper limb motor function. Therefore, this study aimed to explore whether cerebellar transcranial direct current stimulation (tDCS) therapy could promote the recovery of upper limb motor function in patients who suffered a stroke.MethodsIn this randomized, double-blind, and sham-controlled prospective study, 77 stroke patients were recruited and randomly assigned to the tDCS group (n = 39) or the control group (n = 38). The patients received anodal (2 mA, 20 min) or sham tDCS therapy for 4 weeks. The primary outcome was the change in the Fugl-Meyer Assessment-Upper Extremity (FMA-UE) score from baseline to the first day after 4 weeks of treatment (T1) and 60 days after 4 weeks of treatment (T2). The secondary outcomes were the FMA-UE response rates assessed at T1 and T2. Adverse events (AEs) related to the tDCS treatment were also recorded.ResultsAt T1, the mean FMA-UE score increased by 10.7 points [standard error of the mean (SEM) = 1.4] in the tDCS group and by 5.8 points (SEM = 1.3) in the control group (difference between the two groups was 4.9 points, P = 0.013). At T2, the mean FMA-UE score increased by 18.9 points (SEM = 2.1) in the tDCS group and by 12.7 points (SEM = 2.1) in the control group (the difference between the two groups was 6.2 points, P = 0.043). At T1, 26 (70.3%) patients in the tDCS group had a clinically meaningful response to the FMA-UE score compared to 12 (34.3%) patients in the control group (the difference between the two groups was 36.0%, P =0.002). At T2, 33 (89.2%) patients in the tDCS group had a clinically meaningful response to the FMA-UE score compared with 19 (54.3%) patients in the control group (the difference between the two groups was 34.9%, P = 0.001). There was no statistically significant difference in the incidence of adverse events between the two groups. In the subgroup analysis of different hemiplegic sides, the rehabilitation effect of patients with right hemiplegia was better than that of patients with left hemiplegia (P < 0.05); in the age subgroup analysis, different age groups of patients did not show a significant difference in the rehabilitation effect (P > 0.05).ConclusionCerebellar tDCS can be used as an effective and safe treatment to promote recovery of upper limb motor function in stroke patients.Trial registrationChiCTR.org.cn, identifier: ChiCTR2200061838.
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Affiliation(s)
- Qiuwen Gong
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Rubing Yan
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Han Chen
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xia Duan
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xiaoyu Wu
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xin Zhang
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Yi Zhou
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Zhou Feng
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Ya Chen
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jianbo Liu
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Peng Xu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Jing Qiu
- School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China
| | - Hongliang Liu
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jingming Hou
- Department of Rehabilitation, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
- *Correspondence: Jingming Hou
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Yasaroglu S, Liepert J. Transcranial direct current stimulation in stroke - Motor excitability and motor function. Clin Neurophysiol 2022; 144:16-22. [PMID: 36208617 DOI: 10.1016/j.clinph.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 08/28/2022] [Accepted: 09/08/2022] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To characterize motor excitability changes and changes of motor performance induced by a single anodal and cathodal transcranial direct current stimulation (tDCS) session in stroke patients. METHODS Twenty subacute stroke patients participated. Motor performance was tested with the Box and Block Test [BBT]. Motor cortex excitability (short interval intracortical inhibition [SICI], intracortical facilitation [ICF], long interval intracortical inhibition [LICI]) was examined by paired pulse transcranial magnetic stimulation before and after a single tDCS session (20 minutes, 1,0 mA). On two different occasions, patients received anodal and cathodal tDCS over the affected hemisphere. TMS recordings were taken from both hands consecutively. RESULTS Anodal tDCS significantly reduced SICI without changing ICF or LICI. Cathodal tDCS did not change motor excitability. Both types of tDCS did not alter motor performance. Even prior to anodal tDCS, SICI in the affected hemisphere was lower than in the unaffected hemisphere and was correlated with BBT changes after anodal tDCS. CONCLUSIONS Anodal, but not cathodal tDCS specifically modulated intracortical inhibitory circuits, leading to a disinhibition. SIGNIFICANCE The results amplify our knowledge on excitability modulations of tDCS in stroke patients.
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Laaksonen K, Ward NS. Biomarkers of plasticity for stroke recovery. HANDBOOK OF CLINICAL NEUROLOGY 2022; 184:287-298. [PMID: 35034742 DOI: 10.1016/b978-0-12-819410-2.00033-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Stroke is the commonest cause of physical disability in the world. Our understanding of the biologic mechanisms involved in recovery and repair has advanced to the point that therapeutic opportunities to promote recovery through manipulation of post-stroke plasticity have never been greater. This work has almost exclusively been carried out in rodent models of stroke with little translation into human studies. The challenge ahead is to develop a mechanistic understanding of recovery from stroke in humans. Advances in neuroimaging techniques can now provide the appropriate intermediate level of description to bridge the gap between a molecular and cellular account of recovery and a behavioral one. Clinical trials can then be designed in a stratified manner taking into account when an intervention should be delivered and who is most likely to benefit. This approach is most likely to lead to the step-change in how restorative therapeutic strategies are delivered in human stroke patients.
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Affiliation(s)
- Kristina Laaksonen
- Department of Neurology, Helsinki University Hospital, and Clinical Neurosciences, Neurology, University of Helsinki, Helsinki, Finland
| | - Nick S Ward
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom; Department of Neurology, National Hospital for Neurology and Neurosurgery, Queen Square, London, United Kingdom.
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Matsuda D, Moriuchi T, Ikio Y, Mitsunaga W, Fujiwara K, Matsuo M, Nakamura J, Suzuki T, Sugawara K, Higashi T. A Study on the Effect of Mental Practice Using Motor Evoked Potential-Based Neurofeedback. Front Hum Neurosci 2021; 15:637401. [PMID: 33643014 PMCID: PMC7907172 DOI: 10.3389/fnhum.2021.637401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 01/11/2021] [Indexed: 01/10/2023] Open
Abstract
This study aimed to investigate whether the effect of mental practice (motor imagery training) can be enhanced by providing neurofeedback based on transcranial magnetic stimulation (TMS)-induced motor evoked potentials (MEP). Twenty-four healthy, right-handed subjects were enrolled in this study. The subjects were randomly allocated into two groups: a group that was given correct TMS feedback (Real-FB group) and a group that was given randomized false TMS feedback (Sham-FB group). The subjects imagined pushing the switch with just timing, when the target circle overlapped a cross at the center of the computer monitor. In the Real-FB group, feedback was provided to the subjects based on the MEP amplitude measured in the trial immediately preceding motor imagery. In contrast, the subjects of the Sham-FB group were provided with a feedback value that was independent of the MEP amplitude. TMS was applied when the target, moving from right to left, overlapped the cross at the center of the screen, and the MEP amplitude was measured. The MEP was recorded in the right first dorsal interosseous muscle. We evaluated the pre-mental practice and post-mental practice motor performance in both groups. As a result, a significant difference was observed in the percentage change of error values between the Real-FB group and the Sham-FB group. Furthermore, the MEP was significantly different between the groups in the 4th and 5th sets. Therefore, it was suggested that TMS-induced MEP-based neurofeedback might enhance the effect of mental practice.
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Affiliation(s)
- Daiki Matsuda
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Takefumi Moriuchi
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Yuta Ikio
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Wataru Mitsunaga
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Kengo Fujiwara
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Moemi Matsuo
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Jiro Nakamura
- Department of Occupational Therapy, Nagasaki Memorial Hospital, Nagasaki, Japan
| | - Tomotaka Suzuki
- Faculty of Health and Social Work, Division of Physical Therapy, Kanagawa University of Human Services, Yokosuka, Japan
| | - Kenichi Sugawara
- Faculty of Health and Social Work, Division of Physical Therapy, Kanagawa University of Human Services, Yokosuka, Japan
| | - Toshio Higashi
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
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Fatih P, Kucuker MU, Vande Voort JL, Doruk Camsari D, Farzan F, Croarkin PE. A Systematic Review of Long-Interval Intracortical Inhibition as a Biomarker in Neuropsychiatric Disorders. Front Psychiatry 2021; 12:678088. [PMID: 34149483 PMCID: PMC8206493 DOI: 10.3389/fpsyt.2021.678088] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 05/06/2021] [Indexed: 12/23/2022] Open
Abstract
Long-interval intracortical inhibition (LICI) is a paired-pulse transcranial magnetic stimulation (TMS) paradigm mediated in part by gamma-aminobutyric acid receptor B (GABAB) inhibition. Prior work has examined LICI as a putative biomarker in an array of neuropsychiatric disorders. This review conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) sought to examine existing literature focused on LICI as a biomarker in neuropsychiatric disorders. There were 113 articles that met the inclusion criteria. Existing literature suggests that LICI may have utility as a biomarker of GABAB functioning but more research with increased methodologic rigor is needed. The extant LICI literature has heterogenous methodology and inconsistencies in findings. Existing findings to date are also non-specific to disease. Future research should carefully consider existing methodological weaknesses and implement high-quality test-retest reliability studies.
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Affiliation(s)
- Parmis Fatih
- Mayo Clinic Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
| | - M Utku Kucuker
- Mayo Clinic Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
| | - Jennifer L Vande Voort
- Mayo Clinic Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
| | - Deniz Doruk Camsari
- Mayo Clinic Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
| | - Faranak Farzan
- School of Mechatronic Systems Engineering, Centre for Engineering-Led Brain Research, Simon Fraser University, Surrey, BC, Canada
| | - Paul E Croarkin
- Mayo Clinic Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States
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