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Rathinam C, Mohan V, Yates D, Bill P, Peirson J, Gupta R. Effect of non-invasive brain stimulation in children with acquired brain injury-a scoping review. Front Neurol 2024; 15:1388718. [PMID: 39268070 PMCID: PMC11390413 DOI: 10.3389/fneur.2024.1388718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 06/24/2024] [Indexed: 09/15/2024] Open
Abstract
Background Children and young people (CYP) with acquired brain injury (ABI) require early and effective neurorehabilitation to improve long-term functional outcomes. Non-invasive brain stimulation (NIBS), including transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS), have been used to improve motor and sensory skills for children with cerebral palsy. However, there is limited evidence supporting its use in CYP with ABI. Objective To systematically review the TMS and tDCS intervention effects on motor, sensory and other functional issues in CYP with ABI as reported in the literature. Methods A comprehensive online bibliographic databases search was performed in various databases using keywords related to NIBS and CYP with ABI. Studies that examine the effect of NIBS intervention on motor function and other functional difficulties either as a primary or secondary objective were included in this review. Results Fourteen studies (10 single case reports, one retrospective analysis, one case series, one randomised and one quasi-randomised controlled trial) published between 2006 and 2023 were identified. These studies examined the use of NIBS to manage motor disorders, hearing, vision, headaches, speech and language and memory issues. Seventy-six children with mild to severe ABI had received NIBS. The session frequency (3-20), duration (10-45 min) was variable, and NIBS delivered between 3 and 28 days. Conclusion The literature describing NIBS interventions in CYP with ABI is scarce. An insufficient number of studies, inadequate information reported in them, and small sample sizes limit the ability to conclude how effective NIBS is in improving motor function and other functional issues in this cohort. Further studies are therefore necessary to examine the therapeutic effects of NIBS to manage various functional problems in the CYP with ABI.
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Affiliation(s)
- Chandrasekar Rathinam
- Birmingham Medical School, University of Birmingham, Birmingham, United Kingdom
- Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom
| | - Vikram Mohan
- Department of Rehabilitation and Sport Sciences, Faculty of Health and Social Sciences, Bournemouth University, Bournemouth, United Kingdom
| | - Derick Yates
- Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom
| | - Peter Bill
- Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom
| | | | - Rajat Gupta
- Birmingham Medical School, University of Birmingham, Birmingham, United Kingdom
- Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom
- School of Pharmacy, Aston University, Birmingham, West Midlands, United Kingdom
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Marchewka R, Trzmiel T, Hojan K. The Effect of Extremely Low-Frequency Magnetic Field on Stroke Patients: A Systematic Review. Brain Sci 2024; 14:430. [PMID: 38790409 PMCID: PMC11119128 DOI: 10.3390/brainsci14050430] [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: 03/26/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND The aim of this study was to review the current state of scientific evidence on the effect of extremely low-frequency magnetic fields stimulation (ELF-MFs) on stroke patients. METHODS A systematic review of PubMed, ScienceDirect, PeDro and Embase databases was conducted. Only articles published in English, involving adult participants and focusing on individuals who had experienced a stroke, specifically examining the impact of ELF-MFs on post-stroke patients and had well-defined criteria for inclusion and exclusion of participants, were included. The methodological quality of the included studies was assessed using the Quality Assessment Tool for Quantitative Studies (QATQS). RESULTS A total of 71 studies were identified through database and reference lists' search, from which 9 were included in the final synthesis. All included studies showed a beneficial effect of ELF-MFs on stroke patients, however seven of the included studies were carried by the same research group. Improvements were observed in domains such as oxidative stress, inflammation, ischemic lesion size, functional status, depressive symptoms and cognitive abilities. CONCLUSIONS The available literature suggests a beneficial effect of ELF-MFs on post-stroke patients; however, the current data are too limited to broadly recommend the use of this method. Further research with improved methodological quality is necessary.
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Affiliation(s)
- Renata Marchewka
- Neurorehabilitation Ward, Greater Poland Provincial Hospital, 60-480 Poznan, Poland; (R.M.); (K.H.)
| | - Tomasz Trzmiel
- Department of Occupational Therapy, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Katarzyna Hojan
- Neurorehabilitation Ward, Greater Poland Provincial Hospital, 60-480 Poznan, Poland; (R.M.); (K.H.)
- Department of Occupational Therapy, Poznan University of Medical Sciences, 60-781 Poznan, Poland
- Department of Rehabilitation, Greater Poland Cancer Centre, 61-866 Poznan, Poland
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3
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Buccilli B. Exploring new horizons: Emerging therapeutic strategies for pediatric stroke. Exp Neurol 2024; 374:114701. [PMID: 38278205 DOI: 10.1016/j.expneurol.2024.114701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/31/2023] [Accepted: 01/23/2024] [Indexed: 01/28/2024]
Abstract
Pediatric stroke presents unique challenges, and optimizing treatment strategies is essential for improving outcomes in this vulnerable population. This review aims to provide an overview of new, innovative, and potential treatments for pediatric stroke, with a primary objective to stimulate further research in this field. Our review highlights several promising approaches in the realm of pediatric stroke management, including but not limited to stem cell therapy and robotic rehabilitation. These innovative interventions offer new avenues for enhancing functional recovery, reducing long-term disability, and tailoring treatments to individual patient needs. The findings of this review underscore the importance of ongoing research and development of innovative treatments in pediatric stroke. These advancements hold significant clinical relevance, offering the potential to improve the lives of children affected by stroke by enhancing the precision, efficacy, and accessibility of therapeutic interventions. Embracing these innovations is essential in our pursuit of better outcomes and a brighter future for pediatric stroke care.
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Affiliation(s)
- Barbara Buccilli
- Icahn School of Medicine at Mount Sinai, Department of Neurosurgery, 1 Gustave L. Levy Pl, New York, NY 10029, United States of America.
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Colovic H, Zlatanovic D, Zivkovic V, Jankovic M, Radosavljevic N, Ducic S, Ducic J, Stojkovic J, Jovanovic K, Nikolic D. A Review of Current Perspectives on Motoric Insufficiency Rehabilitation following Pediatric Stroke. Healthcare (Basel) 2024; 12:149. [PMID: 38255037 PMCID: PMC10815565 DOI: 10.3390/healthcare12020149] [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: 12/11/2023] [Revised: 12/30/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Pediatric stroke (PS) is an injury caused by the occlusion or rupture of a blood vessel in the central nervous system (CNS) of children, before or after birth. Hemiparesis is the most common motoric deficit associated with PS in children. Therefore, it is important to emphasize that PS is a significant challenge for rehabilitation, especially since the consequences may also appear during the child's growth and development, reducing functional capacity. The plasticity of the child's CNS is an important predecessor of recovery, but disruption of the neural network, specific to an immature brain, can have harmful and potentially devastating consequences. In this review, we summarize the complexity of the consequences associated with PS and the possibilities and role of modern rehabilitation. An analysis of the current literature reveals that Constraint-Induced Movement Therapy, forced-use therapy, repetitive transcranial magnetic stimulation, functional electrical stimulation and robot-assisted therapy have demonstrated at least partial improvements in motor domains related to hemiparesis or hemiplegia caused by PS, but they are supported with different levels of evidence. Due to the lack of randomized controlled studies, the optimal rehabilitation treatment is still debatable, and therefore, most recommendations are primarily based on expert consensuses, opinions and an insufficient level of evidence.
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Affiliation(s)
- Hristina Colovic
- Department for Physical Medicine and Rehabilitation, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (D.Z.); (V.Z.)
- Clinic for Physical Medicine and Rehabilitation, University Clinical Center Niš, 18000 Niš, Serbia
| | - Dragan Zlatanovic
- Department for Physical Medicine and Rehabilitation, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (D.Z.); (V.Z.)
- Clinic for Physical Medicine and Rehabilitation, University Clinical Center Niš, 18000 Niš, Serbia
| | - Vesna Zivkovic
- Department for Physical Medicine and Rehabilitation, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (D.Z.); (V.Z.)
- Clinic for Physical Medicine and Rehabilitation, University Clinical Center Niš, 18000 Niš, Serbia
| | - Milena Jankovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.J.); (S.D.); (J.D.); (J.S.); (D.N.)
- Neurology Clinic, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Natasa Radosavljevic
- Department of Biomedical Sciences, State University of Novi Pazar, 36300 Novi Pazar, Serbia;
| | - Sinisa Ducic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.J.); (S.D.); (J.D.); (J.S.); (D.N.)
- Department of Pediatric Surgery, University Children’s Hospital, 11000 Belgrade, Serbia
| | - Jovan Ducic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.J.); (S.D.); (J.D.); (J.S.); (D.N.)
| | - Jasna Stojkovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.J.); (S.D.); (J.D.); (J.S.); (D.N.)
- Department of Physical Medicine and Rehabilitation, University Children’s Hospital, 11000 Belgrade, Serbia
| | - Kristina Jovanovic
- Department of Pediatrics, University Children’s Hospital, 11000 Belgrade, Serbia;
| | - Dejan Nikolic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (M.J.); (S.D.); (J.D.); (J.S.); (D.N.)
- Department of Physical Medicine and Rehabilitation, University Children’s Hospital, 11000 Belgrade, Serbia
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Li X, Huang Z, Lu T, Liang J, Guo H, Wang L, Chen Z, Zhou X, Du Q. Effect of virtual reality combined with repetitive transcranial magnetic stimulation on musculoskeletal pain and motor development in children with spastic cerebral palsy: a protocol for a randomized controlled clinical trial. BMC Neurol 2023; 23:339. [PMID: 37752420 PMCID: PMC10521467 DOI: 10.1186/s12883-023-03359-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 08/03/2023] [Indexed: 09/28/2023] Open
Abstract
PURPOSE This trial aims to investigate the efficacy and safety of virtual reality (VR) combined with repetitive transcranial magnetic stimulation (rTMS) for improving musculoskeletal pain and motor development in children with unilateral spastic cerebral palsy (CP). METHODS This study protocol is for a randomized controlled trial consisting of 2 treatment sessions (3 days/week for 4 weeks in each session, with a 1-week interval between sessions). We will recruit children aged 3-10 years with unilateral spastic CP (Gross Motor Function Classification System level I or II). Participants will be randomly divided into 3 groups: the VR + rTMS group (immersive VR intervention, rTMS and routine rehabilitation therapy), rTMS group (rTMS and routine rehabilitation therapy), and control group (sham rTMS and routine rehabilitation therapy). VR therapy will involve a daily 40-minute movement training session in a fully immersive environment. rTMS will be applied at 1 Hz over the primary motor cortex for 20 min on the contralateral side. The stimulation intensity will be set at 90% of the resting motor threshold, with 1200 pulses applied. A daily 60-minute routine rehabilitation therapy session including motor training and training in activities of daily living will be administered to all participants. The primary outcome will be pain intensity, assessed by the Revised Face, Legs, Activity, Cry, and Consolability Scale (R-FLACC). The secondary outcomes will include motor development, evaluated by the 66-item version of the Gross Motor Function Measure (GMFM-66) and Fine Motor Function Measure (FMFM); balance capacity, measured by the interactive balance system; activities of daily living; and quality of life, measured by the Barthel index and the Chinese version of the Cerebral Palsy Quality of Life scale for Children (C-CP QOL-Child). Safety will be monitored, and adverse events will be recorded during and after treatment. DISCUSSION Combined application of VR therapy and rTMS may reveal additive effects on pain management and motor development in children with spastic CP, but further high-quality research is needed. The results of this trial may indicate whether VR therapy combined with rTMS achieves a better analgesic effect and improves the motor development of children with spastic CP. TRIAL REGISTRATION Registration number: ChiCTR230069853. Trial registration date: 28 March 2023. Prospectively registered.
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Affiliation(s)
- Xin Li
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Zefan Huang
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China
- Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Tijiang Lu
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Juping Liang
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Haibin Guo
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Lixia Wang
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China
| | - Zhengquan Chen
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China.
| | - Xuan Zhou
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China.
| | - Qing Du
- Department of Rehabilitation Medicine, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, 1665 Kongjiang Road, Shanghai, 200092, China.
- Chongming Hospital, Shanghai University of Medicine & Health Sciences, Shanghai, China.
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Sun LR, Lynch JK. Advances in the Diagnosis and Treatment of Pediatric Arterial Ischemic Stroke. Neurotherapeutics 2023; 20:633-654. [PMID: 37072548 PMCID: PMC10112833 DOI: 10.1007/s13311-023-01373-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2023] [Indexed: 04/20/2023] Open
Abstract
Though rare, stroke in infants and children is an important cause of mortality and chronic morbidity in the pediatric population. Neuroimaging advances and implementation of pediatric stroke care protocols have led to the ability to rapidly diagnose stroke and in many cases determine the stroke etiology. Though data on efficacy of hyperacute therapies, such as intravenous thrombolysis and mechanical thrombectomy, in pediatric stroke are limited, feasibility and safety data are mounting and support careful consideration of these treatments for childhood stroke. Recent therapeutic advances allow for targeted stroke prevention efforts in high-risk conditions, such as moyamoya, sickle cell disease, cardiac disease, and genetic disorders. Despite these exciting advances, important knowledge gaps persist, including optimal dosing and type of thrombolytic agents, inclusion criteria for mechanical thrombectomy, the role of immunomodulatory therapies for focal cerebral arteriopathy, optimal long-term antithrombotic strategies, the role of patent foramen ovale closure in pediatric stroke, and optimal rehabilitation strategies after stroke of the developing brain.
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Affiliation(s)
- Lisa R Sun
- Divisions of Pediatric Neurology and Cerebrovascular Neurology, Department of Neurology, Johns Hopkins University School of Medicine, 200 N. Wolfe Street, Ste 2158, Baltimore, MD, 21287, USA.
| | - John K Lynch
- Acute Stroke Research Section, Stroke Branch (SB), National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
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Sun YY, Wang L, Peng JL, Huang YJ, Qiao FQ, Wang P. Effects of repetitive transcranial magnetic stimulation on motor function and language ability in cerebral palsy: A systematic review and meta-analysis. Front Pediatr 2023; 11:835472. [PMID: 36873646 PMCID: PMC9978792 DOI: 10.3389/fped.2023.835472] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/26/2023] [Indexed: 02/18/2023] Open
Abstract
OBJECTIVE This review was conducted to assess the quality of the evidence of effectiveness of repetitive transcranial magnetic stimulation (rTMS) in treating motor and language ability of cerebral palsy (CP). METHOD Medline, Cochrane library, Web of Science, Embase, PubMed, and CNKI databases were searched up to July 2021 by two independent reviewers. Randomized controlled trials (RCTs) that were published in English and Chinese and met the following criteria were included. The population comprised patients who met the diagnostic criteria for CP. Intervention included the following: comparison about rTMS and sham rTMS or comparison about rTMS combine with other physical therapy and other physical therapy. Outcomes included motor function, as follows: gross motor function measure (GMFM), Gesell Development Diagnosis Scale, fine motor function measure (FMFM), Peabody developmental motor scale, and Modified Ashworth scale. For language ability, sign-significant relation (S-S) was included. Methodological quality was assessed using the Physiotherapy Evidence Database (PEDro) scale. RESULTS Finally, 29 studies were included in the meta-analysis. Results of evaluation using the Cochrane Collaborative Network Bias Risk Assessment Scale showed that 19 studies specifically explained randomization, among which two studies described allocation concealment, four studies blinded participants and persons and had low risk of bias, and six studies explained that the assessment of outcome measures was blinded. Significant improvements in motor function were observed. The GMFM of total score was determined by using the random-effect model [I2 = 88%; MD = -1.03; 95% CI (-1.35, -0.71); P < 0.0001] and FMFM was determined by using the fixed-effect model [P = 0.40 and I2 = 3%; SMDs = -0.48, 95% CI (-0.65, -0.30); P < 0.01]. For language ability, the language improvement rate was determined using a fixed-effect model [P = 0.88 and I2 = 0%; MD = 0.37, 95% CI (0.23, 0.57); P < 0.01]. According to the PEDro scale, 10 studies had low-quality, four studies had excellent quality, and the other studies had good quality. Using the GRADEpro GDT online tool, we included a total of 31 outcome indicators, as follows: 22 for low quality, seven for moderate quality, and two for very low quality. CONCLUSION The rTMS could improve the motor function and language ability of patients with CP. However, rTMS prescriptions varied, and the studies had low sample sizes. Studies using rigorous and standard research designs about prescriptions and large samples are needed to collect sufficient evidence about the effectiveness of using rTMS to treat patients with CP.
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Affiliation(s)
- Ying-Ying Sun
- School of Education and Psychology, University of Jinan, Jinan, China.,Jinan Tongkang Children's Hospital, Jinan, China
| | - Lei Wang
- Department of Rehabilitation Medicine, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Jin-Lin Peng
- Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Yi-Jie Huang
- Department of Rehabilitation Medicine, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Fu-Qiang Qiao
- School of Education and Psychology, University of Jinan, Jinan, China.,CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China
| | - Pu Wang
- Department of Rehabilitation Medicine, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
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8
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Krieg SM, Bernhard D, Ille S, Meyer B, Combs S, Rotenberg A, Frühwald MC. Neurosurgery for eloquent lesions in children: state-of-the-art rationale and technical implications of perioperative neurophysiology. Neurosurg Focus 2022; 53:E4. [PMID: 36455267 DOI: 10.3171/2022.9.focus22316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 09/22/2022] [Indexed: 12/04/2022]
Abstract
OBJECTIVE In adult patients, an increasing group of neurosurgeons specialize entirely in the treatment of highly eloquent tumors, particularly gliomas. In contrast, extensive perioperative neurophysiological workup for pediatric cases has been limited essentially to epilepsy surgery. METHODS The authors discuss radio-oncological and general oncological considerations based on the current literature and their personal experience. RESULTS While several functional mapping modalities facilitate preoperative identification of cortically and subcortically located eloquent areas, not all are suited for children. Direct cortical intraoperative stimulation is impractical in many young patients due to the reduced excitability of the immature cortex. Behavioral requirements also limit the utility of functional MRI and magnetoencephalography in children. In contrast, MRI-derived tractography and navigated transcranial magnetic stimulation are available across ages. Herein, the authors review the oncological rationale of function-guided resection in pediatric gliomas including technical implications such as personalized perioperative neurophysiology, surgical strategies, and limitations. CONCLUSIONS Taken together, these techniques, despite the limitations of some, facilitate the identification of eloquent areas prior to tumor surgery and radiotherapy as well as during follow-up of residual tumors.
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Affiliation(s)
- Sandro M Krieg
- 1Department of Neurosurgery, Klinikum rechts der Isar, School of Medicine, Technische Universität München
| | - Denise Bernhard
- 2Department of Radiation Oncology, Klinikum rechts der Isar, School of Medicine, Technische Universität München
| | - Sebastian Ille
- 1Department of Neurosurgery, Klinikum rechts der Isar, School of Medicine, Technische Universität München
| | - Bernhard Meyer
- 1Department of Neurosurgery, Klinikum rechts der Isar, School of Medicine, Technische Universität München
| | - Stephanie Combs
- 2Department of Radiation Oncology, Klinikum rechts der Isar, School of Medicine, Technische Universität München.,3Deutsches Konsortium für Translationale Krebsforschung (DKTK), Partner Sites Munich.,4Institute of Radiation Medicine (IRM), Department of Radiation Sciences (DRS), Helmholtz Zentrum München (HMGU), Oberschleißheim, Germany
| | - Alexander Rotenberg
- 5Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; and
| | - Michael C Frühwald
- 6Pediatrics and Adolescent Medicine, Augsburg University Hospital, Augsburg, Germany
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Weil EL, Stitt DW, Rabinstein AA, Cascino GD, Nasr DM. Acute Ischemic Stroke Presentation Masked by Falsely Localizing Motor Seizure: A Clinical Case Series. Neurohospitalist 2022; 12:647-650. [PMID: 36147759 PMCID: PMC9485687 DOI: 10.1177/19418744221108555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023] Open
Abstract
In this case series, we describe a novel observation in which 4 patients with acute ischemic stroke secondary to large vessel occlusion and no history of seizure present with focal seizure activity localizable to a chronic, contralateral infarct. The explanation for this phenomenon is unknown but may be due to a combination of effects involving disrupted interhemispheric inhibitory connections and epileptogenic changes involving chronically infarcted tissue.
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Affiliation(s)
- Erika L. Weil
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Derek W. Stitt
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | | | | | - Deena M. Nasr
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
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Jangwan NS, Ashraf GM, Ram V, Singh V, Alghamdi BS, Abuzenadah AM, Singh MF. Brain augmentation and neuroscience technologies: current applications, challenges, ethics and future prospects. Front Syst Neurosci 2022; 16:1000495. [PMID: 36211589 PMCID: PMC9538357 DOI: 10.3389/fnsys.2022.1000495] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/31/2022] [Indexed: 12/02/2022] Open
Abstract
Ever since the dawn of antiquity, people have strived to improve their cognitive abilities. From the advent of the wheel to the development of artificial intelligence, technology has had a profound leverage on civilization. Cognitive enhancement or augmentation of brain functions has become a trending topic both in academic and public debates in improving physical and mental abilities. The last years have seen a plethora of suggestions for boosting cognitive functions and biochemical, physical, and behavioral strategies are being explored in the field of cognitive enhancement. Despite expansion of behavioral and biochemical approaches, various physical strategies are known to boost mental abilities in diseased and healthy individuals. Clinical applications of neuroscience technologies offer alternatives to pharmaceutical approaches and devices for diseases that have been fatal, so far. Importantly, the distinctive aspect of these technologies, which shapes their existing and anticipated participation in brain augmentations, is used to compare and contrast them. As a preview of the next two decades of progress in brain augmentation, this article presents a plausible estimation of the many neuroscience technologies, their virtues, demerits, and applications. The review also focuses on the ethical implications and challenges linked to modern neuroscientific technology. There are times when it looks as if ethics discussions are more concerned with the hypothetical than with the factual. We conclude by providing recommendations for potential future studies and development areas, taking into account future advancements in neuroscience innovation for brain enhancement, analyzing historical patterns, considering neuroethics and looking at other related forecasts.
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Affiliation(s)
- Nitish Singh Jangwan
- Department of Pharmacology, School of Pharmaceutical Sciences and Technology, Sardar Bhagwan Singh University, Balawala, India
| | - Ghulam Md Ashraf
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Veerma Ram
- Department of Pharmacology, School of Pharmaceutical Sciences and Technology, Sardar Bhagwan Singh University, Balawala, India
| | - Vinod Singh
- Prabha Harji Lal College of Pharmacy and Paraclinical Sciences, University of Jammu, Jammu, India
| | - Badrah S. Alghamdi
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Physiology, Neuroscience Unit, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Adel Mohammad Abuzenadah
- Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mamta F. Singh
- Department of Pharmacology, School of Pharmaceutical Sciences and Technology, Sardar Bhagwan Singh University, Balawala, India
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11
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Jia J. Exploration on neurobiological mechanisms of the central–peripheral–central closed-loop rehabilitation. Front Cell Neurosci 2022; 16:982881. [PMID: 36119128 PMCID: PMC9479450 DOI: 10.3389/fncel.2022.982881] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/12/2022] [Indexed: 11/13/2022] Open
Abstract
Central and peripheral interventions for brain injury rehabilitation have been widely employed. However, as patients’ requirements and expectations for stroke rehabilitation have gradually increased, the limitations of simple central intervention or peripheral intervention in the rehabilitation application of stroke patients’ function have gradually emerged. Studies have suggested that central intervention promotes the activation of functional brain regions and improves neural plasticity, whereas peripheral intervention enhances the positive feedback and input of sensory and motor control modes to the central nervous system, thereby promoting the remodeling of brain function. Based on the model of a central–peripheral–central (CPC) closed loop, the integration of center and peripheral interventions was effectively completed to form “closed-loop” information feedback, which could be applied to specific brain areas or function-related brain regions of patients. Notably, the closed loop can also be extended to central and peripheral immune systems as well as central and peripheral organs such as the brain–gut axis and lung–brain axis. In this review article, the model of CPC closed-loop rehabilitation and the potential neuroimmunological mechanisms of a closed-loop approach will be discussed. Further, we highlight critical questions about the neuroimmunological aspects of the closed-loop technique that merit future research attention.
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Affiliation(s)
- Jie Jia
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
- National Center for Neurological Disorders, Shanghai, China
- National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
- National Regional Medical Center, Fujian, China
- The First Affiliated Hospital of Fujian Medical University, Fujian, China
- *Correspondence: Jie Jia,
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Starosta M, Cichoń N, Saluk-Bijak J, Miller E. Benefits from Repetitive Transcranial Magnetic Stimulation in Post-Stroke Rehabilitation. J Clin Med 2022; 11:jcm11082149. [PMID: 35456245 PMCID: PMC9030945 DOI: 10.3390/jcm11082149] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/11/2022] [Indexed: 02/04/2023] Open
Abstract
Stroke is an acute neurovascular central nervous system (CNS) injury and one of the main causes of long-term disability and mortality. Post-stroke rehabilitation as part of recovery is focused on relearning lost skills and regaining independence as much as possible. Many novel strategies in neurorehabilitation have been introduced. This review focuses on current evidence of the effectiveness of repetitive transcranial magnetic stimulation (rTMS), a noninvasive brain stimulation (NIBS), in post-stroke rehabilitation. Moreover, we present the effects of specific interventions, such as low-frequency or high-frequency rTMS therapy, on motor function, cognitive function, depression, and aphasia in post-stroke patients. Collected data suggest that high-frequency stimulation (5 Hz and beyond) produces an increase in cortical excitability, whereas low-frequency stimulation (≤1 Hz) decreases cortical excitability. Accumulated data suggest that rTMS is safe and can be used to modulate cortical excitability, which may improve overall performance. Side effects such as tingling sensation on the skin of the skull or headache are possible. Serious side effects such as epileptic seizures can be avoided by adhering to international safety guidelines. We reviewed clinical studies that present promising results in general recovery and stimulating neuroplasticity. This article is an overview of the current rTMS state of knowledge related to benefits in stroke, as well as its cellular and molecular mechanisms. In the stroke rehabilitation literature, there is a key methodological problem of creating double-blinding studies, which are very often impossible to conduct.
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Affiliation(s)
- Michał Starosta
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland;
- Correspondence:
| | - Natalia Cichoń
- Biohazard Prevention Centre, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland;
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland;
| | - Elżbieta Miller
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland;
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13
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Wu Q, Peng T, Liu L, Zeng P, Xu Y, Yang X, Zhao Y, Fu C, Huang S, Huang Y, Zhou H, Liu Y, Tang H, He L, Xu K. The Effect of Constraint-Induced Movement Therapy Combined With Repetitive Transcranial Magnetic Stimulation on Hand Function in Preschool Children With Unilateral Cerebral Palsy: A Randomized Controlled Preliminary Study. Front Behav Neurosci 2022; 16:876567. [PMID: 35449560 PMCID: PMC9017424 DOI: 10.3389/fnbeh.2022.876567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/02/2022] [Indexed: 11/13/2022] Open
Abstract
Constraint-induced movement therapy (CIMT) combined with repetitive transcranial magnetic stimulation (rTMS) have shown great potential in improving function in schoolchildren with unilateral cerebral palsy attributed to perinatal stroke. However, the prospect of application in preschool children with unilateral cerebral palsy (UCP) attributed to various brain disorders remains unclear. In this prospective, assessor-blinded, randomized controlled study, 40 preschool children with UCP (aged 2.5–6 years) were randomized to receive 10 days of CIMT combined with active or sham rTMS. Assessments were performed at baseline, 2 weeks, and 6 months post-intervention to investigate upper limb extremity, social life ability, and perceived changes by parents and motor-evoked potentials. Overall, 35 participants completed the trial. The CIMT plus active stimulation group had greater gains in the affected hand function (range of motion, accuracy, and fluency) than the CIMT plus sham stimulation group (P < 0.05), but there was no significant difference in muscular tone, social life ability, and perceived changes by parents between the two groups (P > 0.05). In addition, there was no significant difference in hand function between children with and without motor-evoked potential (P > 0.05). No participants reported severe adverse events during the study session. In short, the treatment of CIMT combined with rTMS is safe and feasible for preschool children with UCP attributed to various brain disorders. Randomized controlled studies with large samples and long-term effects are warranted.
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Affiliation(s)
- Qianwen Wu
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Tingting Peng
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Liru Liu
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Peishan Zeng
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yunxian Xu
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xubo Yang
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yiting Zhao
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Chaoqiong Fu
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Shiya Huang
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yuan Huang
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- School of Medicine, South China University of Technology, Guangzhou, China
| | - Hongyu Zhou
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yun Liu
- Department of Rehabilitation, Kunming Children's Hospital, Kunming, China
| | - Hongmei Tang
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Lu He
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Lu He
| | - Kaishou Xu
- Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- *Correspondence: Kaishou Xu ; orcid.org/0000-0002-0639-3488
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14
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Paradoxical facilitation alongside interhemispheric inhibition. Exp Brain Res 2021; 239:3303-3313. [PMID: 34476535 PMCID: PMC8541949 DOI: 10.1007/s00221-021-06183-9] [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: 01/06/2021] [Accepted: 07/20/2021] [Indexed: 11/03/2022]
Abstract
Neurophysiological experiments using transcranial magnetic stimulation (TMS) have sought to probe the function of the motor division of the corpus callosum. Primary motor cortex sends projections via the corpus callosum with a net inhibitory influence on the homologous region of the opposite hemisphere. Interhemispheric inhibition (IHI) experiments probe this inhibitory pathway. A test stimulus (TS) delivered to the motor cortex in one hemisphere elicits motor evoked potentials (MEPs) in a target muscle, while a conditioning stimulus (CS) applied to the homologous region of the opposite hemisphere modulates the effect of the TS. We predicted that large CS MEPs would be associated with increased IHI since they should be a reliable index of how effectively contralateral motor cortex was stimulated and therefore of the magnitude of interhemispheric inhibition. However, we observed a strong tendency for larger CS MEPs to be associated with reduced interhemispheric inhibition which in the extreme lead to a net effect of facilitation. This surprising effect was large, systematic, and observed in nearly all participants. We outline several hypotheses for mechanisms which may underlie this phenomenon to guide future research.
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15
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Jin Y, Pu T, Guo Z, Jiang B, Mu Q. Placebo effect of rTMS on post-stroke motor rehabilitation: a meta-analysis. Acta Neurol Belg 2021; 121:993-999. [PMID: 32772334 DOI: 10.1007/s13760-020-01460-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022]
Abstract
Previous studies have shown that placebo repetitive transcranial magnetic stimulation (rTMS) was effective on post-stroke motor rehabilitation. However, the placebo effect has not been systematically assessed. Therefore, this meta-analysis was conducted to resolve this issue and explore potential influencing factors further. PubMed, Embase, web of science and the Cochrane Library were searched for published randomised controlled trials (RCTs) with placebo rTMS treatment of stroke recovery until May 2019. The placebo effect size (Hedges' g) was estimated using the motor outcome of pre- and post- placebo rTMS treatment. Meta-regression analysis was also performed to explore potential influencing factors for the placebo effect. Twenty-six placebo-controlled trials (including 381 patients in placebo group) were selected. Effect size results (Hedges' g = 0.466, 95% CI 0.207-0.726; P < 0.05) showed a medium and significant placebo rTMS effect on improving post-stroke motor recovery. The mean ratio of the effect size of sham to real stimulation was 56%. Meta-regression analysis did not find significant result except for the treatment sessions, which was significantly correlated with the placebo effect size (r = 0.465, p = 0.031). In the follow-up observations (1, 2 and 3 months), the sham rTMS groups manifested gradually increased motor improvement, which was similar to the real group, but the amplitude was lower, which was sustained for at least 3 months. Placebo effect of rTMS on post-stroke motor recovery was medium but significant. Regarding different sham styles, the number of stimulation sessions had an impact on the effect.
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Affiliation(s)
- Yu Jin
- Department of Radiology and Institute of Rehabilitation and Imaging of Brain Function, Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, 97 South Renmin Road, Shunqing District, Nanchong, 637000, Sichuan, China
| | - Ting Pu
- Department of Big Data Center, Sichuan Cancer Hospital and Institute, Chengdu, 610000, China
| | - Zhiwei Guo
- Department of Radiology and Institute of Rehabilitation and Imaging of Brain Function, Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, 97 South Renmin Road, Shunqing District, Nanchong, 637000, Sichuan, China
| | - Binghu Jiang
- Department of Radiology and Institute of Rehabilitation and Imaging of Brain Function, Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, 97 South Renmin Road, Shunqing District, Nanchong, 637000, Sichuan, China
| | - Qiwen Mu
- Department of Radiology and Institute of Rehabilitation and Imaging of Brain Function, Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, 97 South Renmin Road, Shunqing District, Nanchong, 637000, Sichuan, China.
- Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China.
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16
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Sporns PB, Fullerton HJ, Lee S, Kirton A, Wildgruber M. Current treatment for childhood arterial ischaemic stroke. THE LANCET CHILD & ADOLESCENT HEALTH 2021; 5:825-836. [PMID: 34331864 DOI: 10.1016/s2352-4642(21)00167-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/18/2021] [Accepted: 05/24/2021] [Indexed: 12/23/2022]
Abstract
Paediatric arterial ischaemic stroke is an important cause of neurological morbidity in children, with consequences including motor disorders, intellectual impairment, and epilepsy. The causes of paediatric arterial ischaemic stroke are unique compared with those associated with stroke in adulthood. The past decade has seen substantial advances in paediatric stroke research and clinical care, but many unanswered questions and controversies remain. Shortage of prospective evidence for the use of recanalisation therapies in patients with paediatric stroke has resulted in little standardisation of disease management. Substantial time delays in diagnosis and treatment continue to challenge best possible care. In this Review, we highlight on some of the most pressing and productive aspects of research in the treatment of arterial ischaemic stroke in children, including epidemiology and cause, rehabilitation, secondary stroke prevention, and treatment updates focusing on advances in hyperacute therapies such as intravenous thrombolysis, mechanical thrombectomy, and critical care. Finally, we provide a future perspective for improving outcomes and quality of life for affected children and their families.
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Affiliation(s)
- Peter B Sporns
- Department of Neuroradiology, Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Basel, Switzerland; Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Heather J Fullerton
- Departments of Neurology and Pediatrics, Weill Institute of Neurosciences, University of California at San Francisco, San Francisco, CA, USA
| | - Sarah Lee
- Division of Child Neurology, Department of Neurology, Stanford University, Palo Alto, CA, USA
| | - Adam Kirton
- Department of Pediatrics and Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Moritz Wildgruber
- Department of Radiology, University Hospital Munich, LMU Munich, Munich, Germany.
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17
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Mallick AA. Pediatric arterial ischemic stroke in the scientific literature. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2021.101122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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18
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O'Leary GH, Jenkins DD, Coker-Bolt P, George MS, Kautz S, Bikson M, Gillick BT, Badran BW. From adults to pediatrics: A review noninvasive brain stimulation (NIBS) to facilitate recovery from brain injury. PROGRESS IN BRAIN RESEARCH 2021; 264:287-322. [PMID: 34167660 DOI: 10.1016/bs.pbr.2021.01.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Stroke is a major problem worldwide that impacts over 100 million adults and children annually. Rehabilitation therapy is the current standard of care to restore functional impairments post-stroke, however its effects are limited and many patients suffer persisting functional impairments and life-long disability. Noninvasive Brain Stimulation (NIBS) has emerged as a potential rehabilitation treatment option in both adults and children with brain injury. In the last decade, Transcranial Magnetic Stimulation (TMS), Transcranial Direct Current Stimulation (tDCS) and Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) have been investigated to improve motor recovery in adults post-stroke. These promising adult findings using NIBS, however, have yet to be widely translated to the area of pediatrics. The limited studies exploring NIBS in children have demonstrated safety, feasibility, and utility of stimulation-augmented rehabilitation. This chapter will describe the mechanism of NIBS therapy (cortical excitability, neuroplasticity) that underlies its use in stroke and motor function and how TMS, tDCS, and taVNS are applied in adult stroke treatment paradigms. We will then discuss the current state of NIBS in early pediatric brain injury and will provide insight regarding practical considerations and future applications of NIBS in pediatrics to make this promising treatment option a viable therapy in children.
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Affiliation(s)
- Georgia H O'Leary
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States
| | - Dorothea D Jenkins
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, United States
| | - Patricia Coker-Bolt
- Division of Occupational Therapy, College of Health Professions, Medical University of South Carolina, Charleston, SC, United States
| | - Mark S George
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States; Ralph H. Johnson VA Medical Center, Charleston, SC, United States
| | - Steve Kautz
- Ralph H. Johnson VA Medical Center, Charleston, SC, United States; Department of Health Sciences and Research, Medical University of South Carolina, Charleston, SC, United States
| | - Marom Bikson
- Department of Biomedical Engineering, City College of New York, New York, NY, United States
| | - Bernadette T Gillick
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, United States
| | - Bashar W Badran
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, United States.
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19
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Mantell KE, Sutter EN, Shirinpour S, Nemanich ST, Lench DH, Gillick BT, Opitz A. Evaluating transcranial magnetic stimulation (TMS) induced electric fields in pediatric stroke. NEUROIMAGE-CLINICAL 2021; 29:102563. [PMID: 33516935 PMCID: PMC7847946 DOI: 10.1016/j.nicl.2021.102563] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 11/29/2022]
Abstract
Numerical TMS simulations were performed over and around perinatal stroke lesions. The presence of brain lesions locally affects the electric field distribution. Brain lesions do not significantly change the mean electric field strength. Model driven approaches can inform TMS dosing in a pediatric stroke population.
Transcranial magnetic stimulation (TMS) is an increasingly popular tool for stroke rehabilitation. Consequently, researchers have started to explore the use of TMS in pediatric stroke. However, the application of TMS in a developing brain with pathologies comes with a unique set of challenges. The effect of TMS-induced electric fields has not been explored in children with stroke lesions. Here, we used finite element method (FEM) modeling to study how the electric field strength is affected by the presence of a lesion. We created individual realistic head models from MRIs (n = 6) of children with unilateral cerebral palsy due to perinatal stroke. We conducted TMS electric field simulations for coil locations over lesioned and non-lesioned hemispheres. We found that the presence of a lesion can strongly affect the electric field distribution. On the group level, the mean electric field strength did not differ between lesioned and non-lesioned hemispheres but exhibited a greater variability in the lesioned hemisphere. Other factors such as coil-to-cortex distance have a strong influence on the TMS electric field even in the presence of lesions. Our study has important implications for the delivery of TMS in children with brain lesions with respect to TMS dosing and coil placement.
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Affiliation(s)
- Kathleen E Mantell
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, USA
| | - Ellen N Sutter
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, USA
| | - Sina Shirinpour
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, USA
| | - Samuel T Nemanich
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, USA
| | - Daniel H Lench
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, USA
| | - Bernadette T Gillick
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, USA
| | - Alexander Opitz
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, USA.
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20
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Edwards JD, Black SE, Boe S, Boyd L, Chaves A, Chen R, Dukelow S, Fung J, Kirton A, Meltzer J, Moussavi Z, Neva J, Paquette C, Ploughman M, Pooyania S, Rajji TK, Roig M, Tremblay F, Thiel A. Canadian Platform for Trials in Noninvasive Brain Stimulation (CanStim) Consensus Recommendations for Repetitive Transcranial Magnetic Stimulation in Upper Extremity Motor Stroke Rehabilitation Trials. Neurorehabil Neural Repair 2021; 35:103-116. [PMID: 33410386 DOI: 10.1177/1545968320981960] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Objective. To develop consensus recommendations for the use of repetitive transcranial magnetic stimulation (rTMS) as an adjunct intervention for upper extremity motor recovery in stroke rehabilitation clinical trials. Participants. The Canadian Platform for Trials in Non-Invasive Brain Stimulation (CanStim) convened a multidisciplinary team of clinicians and researchers from institutions across Canada to form the CanStim Consensus Expert Working Group. Consensus Process. Four consensus themes were identified: (1) patient population, (2) rehabilitation interventions, (3) outcome measures, and (4) stimulation parameters. Theme leaders conducted comprehensive evidence reviews for each theme, and during a 2-day Consensus Meeting, the Expert Working Group used a weighted dot-voting consensus procedure to achieve consensus on recommendations for the use of rTMS as an adjunct intervention in motor stroke recovery rehabilitation clinical trials. Results. Based on best available evidence, consensus was achieved for recommendations identifying the target poststroke population, rehabilitation intervention, objective and subjective outcomes, and specific rTMS parameters for rehabilitation trials evaluating the efficacy of rTMS as an adjunct therapy for upper extremity motor stroke recovery. Conclusions. The establishment of the CanStim platform and development of these consensus recommendations is a first step toward the translation of noninvasive brain stimulation technologies from the laboratory to clinic to enhance stroke recovery.
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Affiliation(s)
- Jodi D Edwards
- University of Ottawa Heart Institute, Ottawa, Ontario, Canada.,University of Ottawa, Ottawa, Ontario, Canada
| | - Sandra E Black
- Sunnybrook Research Institute, Toronto, Ontario, Canada.,University of Toronto, Toronto, Ontario, Canada
| | - Shaun Boe
- Dalhousie University, Halifax, Nova Scotia, Canada
| | - Lara Boyd
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Arthur Chaves
- Memorial University, St John's, Newfoundland, Canada
| | - Robert Chen
- Toronto Western Hospital, Toronto, Ontario, Canada.,University of Toronto, Toronto, Ontario, Canada
| | | | - Joyce Fung
- McGill University, Montreal, Quebec, Canada
| | - Adam Kirton
- University of Calgary, Calgary, Alberta, Canada
| | | | | | - Jason Neva
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | | | - Tarek K Rajji
- University of Toronto, Toronto, Ontario, Canada.,Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Marc Roig
- McGill University, Montreal, Quebec, Canada
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21
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Poologaindran A, Suckling J, Sughrue ME. Letter: Elucidating the Principles of Brain Network Organization Through Neurosurgery. Neurosurgery 2020; 87:E80-E81. [PMID: 32315411 DOI: 10.1093/neuros/nyaa094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Anujan Poologaindran
- Brain Mapping Unit, Department of Psychiatry University of Cambridge Cambridge, United Kingdom.,The Alan Turing Institute British Library London, United Kingdom
| | - John Suckling
- Brain Mapping Unit, Department of Psychiatry University of Cambridge Cambridge, United Kingdom.,The Alan Turing Institute British Library London, United Kingdom
| | - Michael E Sughrue
- Department of Neurosurgery Prince of Wales Private Hospital Sydney, Australia
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22
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Seow LSE, Ong WJ, Hombali A, AshaRani PV, Subramaniam M. A Scoping Review on Cue Reactivity in Methamphetamine Use Disorder. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E6504. [PMID: 32906716 PMCID: PMC7558044 DOI: 10.3390/ijerph17186504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/29/2020] [Accepted: 08/31/2020] [Indexed: 01/25/2023]
Abstract
The experience of craving via exposure to drug-related cues often leads to relapse in drug users. This study consolidated existing empirical evidences of cue reactivity to methamphetamine to provide an overview of current literature and to inform the directions for future research. The best practice methodological framework for conducting scoping review by Arkey and O'Malley was adopted. Studies that have used a cue paradigm or reported on cue reactivity in persons with a history of methamphetamine use were included. Databases such as Medline, EMBASE, PsycINFO and CINAHL were searched using key terms, in addition to citation check and hand search. The search resulted in a total of 32 original research articles published between 2006 to 2020. Three main themes with regard to cue reactivity were identified and synthesized: (1) effects of cue exposure, (2) individual factors associated with cue reactivity, and (3) strategies that modulate craving or reactivity to cues. Exposure to methamphetamine-associated cues elicits significant craving and other autonomic reactivity. Evidence suggests that drug cue reactivity is strongly associated with indices of drug use and other individual-specific factors. Future studies should focus on high quality studies to support evidence-based interventions for reducing cue reactivity and to examine cue reactivity as an outcome measure.
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23
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Imaging Developmental and Interventional Plasticity Following Perinatal Stroke. Can J Neurol Sci 2020; 48:157-171. [DOI: 10.1017/cjn.2020.166] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
ABSTRACT:Perinatal stroke occurs around the time of birth and leads to lifelong neurological disabilities including hemiparetic cerebral palsy. Magnetic resonance imaging (MRI) has revolutionized our understanding of developmental neuroplasticity following early injury, quantifying volumetric, structural, functional, and metabolic compensatory changes after perinatal stroke. Such techniques can also be used to investigate how the brain responds to treatment (interventional neuroplasticity). Here, we review the current state of knowledge of how established and emerging neuroimaging modalities are informing neuroplasticity models in children with perinatal stroke. Specifically, we review structural imaging characterizing lesion characteristics and volumetrics, diffusion tensor imaging investigating white matter tracts and networks, task-based functional MRI for localizing function, resting state functional imaging for characterizing functional connectomes, and spectroscopy examining neurometabolic changes. Key challenges and exciting avenues for future investigations are also considered.
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24
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Greenham M, Knight S, RoddaPhD J, Scheinberg A, Anderson V, Fahey MC, Mackay MT. Australian clinical consensus guideline for the subacute rehabilitation of childhood stroke. Int J Stroke 2020; 16:311-320. [PMID: 32691701 DOI: 10.1177/1747493020941279] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Childhood stroke results in long-term, multifaceted difficulties, affecting motor, cognitive, communication, and behavioral domains of function which impact on participation and quality of life. The Childhood Stroke Consensus Rehabilitation Guideline was developed to improve the care of children with stroke by providing health professionals with recommendations to assist in their rehabilitative treatment. Clinical questions were formulated to inform systematic database searches from 2001 to 2016, limited to English and pediatric studies. SIGN methodology and the National Health and Medical Research Council system were used to screen and classify the evidence. The Grade of Recommendation, Assessment, Development and Evaluation system was used to grade evidence as strong or weak. Where evidence was inadequate or absent, a modified Delphi consensus process was used to develop consensus-based recommendations. The guideline provides 56 recommendations (1 evidence-based recommendation and 55 consensus recommendations). These relate to the framework of rehabilitation service delivery as well as domain-specific rehabilitation treatment strategies for each domain of function. It is anticipated that this guideline will provide health professions with recommendations to improve the subacute care of children with stroke both in Australia and internationally.
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Affiliation(s)
- M Greenham
- Murdoch Children's Research Institute, Parkville, VIC, Australia
| | - S Knight
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,The Royal Children's Hospital, Parkville, VIC, Australia.,The University of Melbourne, Parkville, VIC, Australia
| | - J RoddaPhD
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,The University of Melbourne, Parkville, VIC, Australia
| | - A Scheinberg
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,The Royal Children's Hospital, Parkville, VIC, Australia.,The University of Melbourne, Parkville, VIC, Australia.,Monash University, Clayton, VIC, Australia
| | - V Anderson
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,The Royal Children's Hospital, Parkville, VIC, Australia.,The University of Melbourne, Parkville, VIC, Australia
| | - M C Fahey
- Monash University, Clayton, VIC, Australia.,Monash Children's Hospital, Monash Health, Clayton, VIC, Australia
| | - M T Mackay
- Murdoch Children's Research Institute, Parkville, VIC, Australia.,The Royal Children's Hospital, Parkville, VIC, Australia.,The University of Melbourne, Parkville, VIC, Australia
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25
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Poststroke Impairment and Recovery Are Predicted by Task-Specific Regionalization of Injury. J Neurosci 2020; 40:6082-6097. [PMID: 32605940 DOI: 10.1523/jneurosci.0057-20.2020] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 06/18/2020] [Accepted: 06/24/2020] [Indexed: 01/01/2023] Open
Abstract
Lesion size and location affect the magnitude of impairment and recovery following stroke, but the precise relationship between these variables and functional outcome is unknown. Herein, we systematically varied the size of strokes in motor cortex and surrounding regions to assess effects on impairment and recovery of function. Female Sprague Dawley rats (N = 64) were evaluated for skilled reaching, spontaneous limb use, and limb placement over a 7 week period after stroke. Exploration and reaching were also tested in a free ranging, more naturalistic, environment. MRI voxel-based analysis of injury volume and its likelihood of including the caudal forelimb area (CFA), rostral forelimb area (RFA), hindlimb (HL) cortex (based on intracranial microstimulation), or their bordering regions were related to both impairment and recovery. Severity of impairment on each task was best predicted by injury in unique regions: impaired reaching, by damage in voxels encompassing CFA/RFA; hindlimb placement, by damage in HL; and spontaneous forelimb use, by damage in CFA. An entirely different set of voxels predicted recovery of function: damage lateral to RFA reduced recovery of reaching, damage medial to HL reduced recovery of hindlimb placing, and damage lateral to CFA reduced recovery of spontaneous limb use. Precise lesion location is an important, but heretofore relatively neglected, prognostic factor in both preclinical and clinical stroke studies, especially those using region-specific therapies, such as transcranial magnetic stimulation.SIGNIFICANCE STATEMENT By estimating lesion location relative to cortical motor representations, we established the relationship between individualized lesion location, and functional impairment and recovery in reaching/grasping, spontaneous limb use, and hindlimb placement during walking. We confirmed that stroke results in impairments to specific motor domains linked to the damaged cortical subregion and that damage encroaching on adjacent regions reduces the ability to recover from initial lesion-induced impairments. Each motor domain encompasses unique brain regions that are most associated with recovery and likely represent targets where beneficial reorganization is taking place. Future clinical trials should use individualized therapies (e.g., transcranial magnetic stimulation, intracerebral stem/progenitor cells) that consider precise lesion location and the specific functional impairments of each subject since these variables can markedly affect therapeutic efficacy.
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Enhancing Stroke Recovery Across the Life Span With Noninvasive Neurostimulation. J Clin Neurophysiol 2020; 37:150-163. [DOI: 10.1097/wnp.0000000000000543] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Su H, Chen T, Zhong N, Jiang H, Du J, Xiao K, Xu D, Song W, Zhao M. Decreased GABA concentrations in left prefrontal cortex of methamphetamine dependent patients: A proton magnetic resonance spectroscopy study. J Clin Neurosci 2020; 71:15-20. [DOI: 10.1016/j.jocn.2019.11.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 10/09/2019] [Accepted: 11/19/2019] [Indexed: 12/25/2022]
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Wang H, Li X, Yu C, Hu F, Liu W. Commentary: Effect of Low-Frequency Repetitive Transcranial Magnetic Stimulation on Impulse Inhibition Methamphetamine in Abstinent Methamphetamine Patients. Front Psychiatry 2020; 11:561246. [PMID: 33329100 PMCID: PMC7734339 DOI: 10.3389/fpsyt.2020.561246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/02/2020] [Indexed: 12/01/2022] Open
Affiliation(s)
- Hebin Wang
- Department of Psychiatry, Ningbo Kangning Hospital, Ningbo, China
| | - Xingxing Li
- Department of Psychiatry, Ningbo Kangning Hospital, Ningbo, China
| | - Chang Yu
- Department of Psychiatry, Ningbo Kangning Hospital, Ningbo, China
| | - Fangzhen Hu
- Department of Psychiatry, Yongkang Third Hospital, Jinhua, China
| | - Wenbang Liu
- Department of Psychiatry, Ningbo Kangning Hospital, Ningbo, China
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Malone LA, Sun LR. Transcranial Magnetic Stimulation for the Treatment of Pediatric Neurological Disorders. Curr Treat Options Neurol 2019; 21:58. [PMID: 31720969 DOI: 10.1007/s11940-019-0600-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
PURPOSE OF REVIEW Repetitive transcranial magnetic stimulation (rTMS) is a form of noninvasive brain stimulation that is used for the treatment of migraine and major depression in adults and is now being evaluated for use in other disorders. The purpose of this review is to summarize the physiology underlying TMS, the safety and tolerability in pediatric patients, and the evidence for TMS efficacy in the treatment of pediatric neurologic disorders. RECENT FINDINGS Studies investigating rTMS for adolescent depression, hemiparesis due to pediatric stroke, autism, and tics/Tourette syndrome have demonstrated some therapeutic benefit. rTMS has been insufficiently studied for migraine in children despite benefits demonstrated for adult migraine. Evidence for rTMS in childhood epilepsy and ADHD remains mixed. Repetitive transcranial magnetic stimulation is emerging as a safe, tolerable, and potentially effective therapeutic strategy in a number of pediatric neurological disorders, though high-quality, randomized controlled trials are needed. Ongoing studies should focus on optimization of treatment protocols, development of biomarkers to identify children who will benefit from the technique, and identification of the most appropriate indicators of response.
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Affiliation(s)
- Laura A Malone
- Department of Neurology, Johns Hopkins University School of Medicine, 200 N. Wolfe Street, Suite 2158, Baltimore, MD, 21287, USA
| | - Lisa R Sun
- Department of Neurology, Johns Hopkins University School of Medicine, 200 N. Wolfe Street, Suite 2158, Baltimore, MD, 21287, USA.
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Noninvasive Brain Stimulation for Rehabilitation of Pediatric Motor Disorders Following Brain Injury: Systematic Review of Randomized Controlled Trials. Arch Phys Med Rehabil 2019; 100:1945-1963. [DOI: 10.1016/j.apmr.2019.04.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/29/2019] [Accepted: 04/09/2019] [Indexed: 12/26/2022]
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Oshima O, Kawakami M, Okuyama K, Suda M, Oka A, Liu M. Effects of hybrid assistive neuromuscular dynamic stimulation therapy for hemiparesis after pediatric stroke: a feasibility trial. Disabil Rehabil 2019; 43:823-827. [PMID: 31335219 DOI: 10.1080/09638288.2019.1643415] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Hybrid assistive neuromuscular dynamic stimulation (HANDS) therapy, consisting of a wrist-hand splint and an integrated volitional control electrical stimulator to stimulate the extensor digitorum communis, is effective for chronic hemiparesis after stroke in adults. We investigated the feasibility and effects of HANDS therapy for patients with pediatric stroke by performing a longitudinal study. METHODS Twelve patients with chronic hemiparetic pediatric stroke (aged 14-38 years) wore the herapeutic device for 3 weeks. The device was active for 8 h during the daytime, and patients were instructed to use their paretic hand as much as possible. Upper extremity items of the Fugl-Meyer Motor Assessment Scale and the Stroke Impairment Assessment Set motor test were used to measure motor function and were compared before and after the intervention with the Wilcoxon signed rank test. RESULTS All patients were fully compliant with the therapy with no adverse events. After the intervention, both treatment endpoints improved significantly (p < .05). The effect size for upper extremity items of the Fugl-Meyer Motor Assessment Scale was medium (d = 0.59). CONCLUSION This preliminary study demonstrated the feasibility and effectiveness of HANDS therapy in patients with pediatric stroke.Implications for rehabilitationPediatric stroke is a very rare disease and patients are forced to live with sequelae in most of the rest of their lives.Hybrid assistive neuromuscular dynamic stimulation therapy is effective for upper limb paralysis of adult stroke.Hybrid assistive neuromuscular dynamic stimulation therapy was adaptable even for children, and improvement of upper limb paralysis was observed even in a relatively short period of intervention.
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Affiliation(s)
- Osamu Oshima
- Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Michiyuki Kawakami
- Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kohei Okuyama
- Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mabu Suda
- Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Asako Oka
- Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Meigen Liu
- Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan
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Lucena MFG, Teixeira PEP, Bonin Pinto C, Fregni F. Top 100 cited noninvasive neuromodulation clinical trials. Expert Rev Med Devices 2019; 16:451-466. [PMID: 31092060 DOI: 10.1080/17434440.2019.1615440] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Introduction: Transcranial direct current stimulation (tDCS) and transcranial magnetic stimulation (TMS) are noninvasive neuromodulation techniques used as therapeutic and research tools for several neuropsychiatric conditions. Given the exponential scientific growth of this field, we aimed to systematically review the most cited clinical trials using TMS or tDCS. AREAS COVERED A de-novo keyword search strategy identified and characterized the 100 most-cited trials. Total citation count for the most cited trials was 13,204. Articles were published between 2008 and 2014 in 50 different journals with a median impact factor of 6.52 (IQR 3.37). Almost half of the top cited papers were investigating mechanisms of action in healthy subjects. Most studies were feasibility trials and only five were pivotal trials, including the ones used for recent FDA approval. Seven articles were interlinked with another article by at least 25 citations and eight authors had collaborated with at least one other author. EXPERT OPINION Although there has been a significant increase in interest for rTMS and tDCS, most of the cited clinical trials are still small feasibility studies, what reinforced the need for more robust clinical trials (larger samples sizes and effects sizes) to better define clinical effectiveness.
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Affiliation(s)
- Mariana F G Lucena
- a Laboratory of Neuromodulation & Center for Clinical Research Learning, Physics and Rehabilitation Department , Spaulding Rehabilitation Hospital, Harvard Medical School , Boston , MA USA
| | - Paulo E P Teixeira
- a Laboratory of Neuromodulation & Center for Clinical Research Learning, Physics and Rehabilitation Department , Spaulding Rehabilitation Hospital, Harvard Medical School , Boston , MA USA.,b Research and Education Center , Wilson Mello Institute , Campinas, Sao Paulo , Brazil
| | - Camila Bonin Pinto
- a Laboratory of Neuromodulation & Center for Clinical Research Learning, Physics and Rehabilitation Department , Spaulding Rehabilitation Hospital, Harvard Medical School , Boston , MA USA.,c Department of Neuroscience and Behavior, Psychology Institute , University of Sao Paulo , Sao Paulo , Brazil
| | - Felipe Fregni
- a Laboratory of Neuromodulation & Center for Clinical Research Learning, Physics and Rehabilitation Department , Spaulding Rehabilitation Hospital, Harvard Medical School , Boston , MA USA
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Nonpharmacological rehabilitation interventions for motor and cognitive outcomes following pediatric stroke: a systematic review. Eur J Pediatr 2019; 178:433-454. [PMID: 30810821 DOI: 10.1007/s00431-019-03350-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 01/31/2019] [Accepted: 02/14/2019] [Indexed: 10/27/2022]
Abstract
The aim of this review was to evaluate the evidence for nonpharmacological rehabilitation interventions for motor and cognitive impairment following pediatric stroke. A literature search was conducted using multiple scientific databases. Studies were included if (1) the study population was > 50% pediatric (< 18 years) stroke, (2) a diagnosis of stroke was explicitly stated, (3) there were ≥ 3 pediatric stroke participants included in the study sample, and (4) motor or cognitive outcome measures were used to assess effect of treatment. Levels of evidence were assigned to each study to determine the strength of the evidence for each intervention. A total of 18 articles met inclusion criteria. Most studies (N = 14) examined rehabilitation of the upper limb, with constraint-induced movement therapy (CIMT) as the most common intervention. Overall, the evidence supports the use of CIMT, forced use therapy, repetitive transcranial magnetic stimulation, functional electrical stimulation, and robotics, but suggests no beneficial effect of transcranial direct current stimulation. Very few studies assessed interventions for the lower limb (N = 1) or cognitive impairment (N = 3).Conclusion: Effective rehabilitation approaches are important for optimizing outcomes in children who have had a stroke. Although the number of published clinical trials has increased in recent years, little evidence-based guidance exists for this clinical population. What is Known: • Pediatric stroke is a significant cause of disability in children that is often associated with long-term motor and cognitive sequelae. • There is a need to establish a knowledge base regarding available evidence-based rehabilitation therapies for this clinical population. What is New: • Most studies examining interventions for motor function focus on upper limb rehabilitation, whereas few studies have investigated interventions for improving lower limb or cognitive impairment. • An important gap exists regarding evidence-based rehabilitative treatment approaches for pediatric stroke.
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MacMaster FP, Croarkin PE, Wilkes TC, McLellan Q, Langevin LM, Jaworska N, Swansburg RM, Jasaui Y, Zewdie E, Ciechanski P, Kirton A. Repetitive Transcranial Magnetic Stimulation in Youth With Treatment Resistant Major Depression. Front Psychiatry 2019; 10:170. [PMID: 30984044 PMCID: PMC6449763 DOI: 10.3389/fpsyt.2019.00170] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 03/08/2019] [Indexed: 12/21/2022] Open
Abstract
Background: Major depressive disorder (MDD) is common in youth and treatment options are limited. We evaluated the effectiveness and safety of repetitive transcranial magnetic stimulation (rTMS) in adolescents and transitional aged youth with treatment resistant MDD. Methods: Thirty-two outpatients with moderate to severe, treatment-resistant MDD, aged 13-21 years underwent a three-week, open-label, single center trial of rTMS (ClinicalTrials.gov identifier NCT01731678). rTMS was applied to the left dorsolateral prefrontal cortex (DLPFC) using neuronavigation and administered for 15 consecutive week days (120% rest motor threshold; 40 pulses over 4 s [10 Hz]; inter-train interval, 26 s; 75 trains; 3,000 pulses). The primary outcome measure was change in the Hamilton Depression Rating Scale (Ham-D). Treatment response was defined as a >50% reduction in Ham-D scores. Safety and tolerability were also examined. Results: rTMS was effective in reducing MDD symptom severity (t = 8.94, df = 31, p < 0.00001). We observed 18 (56%) responders (≥ 50% reduction in Ham-D score) and 14 non-responders to rTMS. Fourteen subjects (44%) achieved remission (Ham-D score ≤ 7 post-rTMS). There were no serious adverse events (i.e., seizures). Mild to moderate, self-limiting headaches (19%) and mild neck pain (16%) were reported. Participants ranked rTMS as highly tolerable. The retention rate was 91% and compliance rate (completing all study events) was 99%. Conclusions: Our single center, open trial suggests that rTMS is a safe and effective treatment for youth with treatment resistant MDD. Larger randomized controlled trials are needed. Clinical Trial Registration: www.ClinicalTrials.gov, identifier: NCT01731678.
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Affiliation(s)
- Frank P. MacMaster
- Departments of Pediatrics and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Strategic Clinical Network for Addictions and Mental Health, Alberta Health Services, Calgary, AB, Canada
| | - Paul E. Croarkin
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, NY, United States
| | - T. Christopher Wilkes
- Departments of Pediatrics and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Quinn McLellan
- Departments of Pediatrics and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Lisa Marie Langevin
- Departments of Pediatrics and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Natalia Jaworska
- Institute of Mental Health Research, University of Ottawa, Ottawa, ON, Canada
| | - Rose M. Swansburg
- Departments of Pediatrics and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Yamile Jasaui
- Departments of Pediatrics and Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Ephrem Zewdie
- Departments of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Patrick Ciechanski
- Departments of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Adam Kirton
- Departments of Pediatrics and Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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Xiang H, Sun J, Tang X, Zeng K, Wu X. The effect and optimal parameters of repetitive transcranial magnetic stimulation on motor recovery in stroke patients: a systematic review and meta-analysis of randomized controlled trials. Clin Rehabil 2019; 33:847-864. [PMID: 30773896 DOI: 10.1177/0269215519829897] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The primary aim of this meta-analysis was to evaluate the effects of repetitive transcranial magnetic stimulation (rTMS) on limb movement recovery post-stroke and cortex excitability, to explore the optimal parameters of rTMS and suitable stroke population. Second, adverse events were also included. DATA SOURCES The databases of PubMed, EBSCO, MEDLINE, the Cochrane Central Register of Controlled Trials, EBM Reviews-Cochrane Database, the Chinese National Knowledge Infrastructure, and the Chinese Science and Technology Journals Database were searched for randomized controlled trials exploring the effects of rTMS on limb motor function recovery post-stroke before December 2018. REVIEW METHODS The effect sizes of rTMS on limb motor recovery, the effect size of rTMS stimulation parameters, and different stroke population were summarized by calculating the standardized mean difference (SMD) and the 95% confidence interval using fixed/random effect models as appropriate. RESULTS For the motor function assessment, 42 eligible studies involving 1168 stroke patients were identified. The summary effect size indicated that rTMS had positive effects on limb motor recovery (SMD = 0.50, P < 0.00001) and activities of daily living (SMD = 0.82, P < 0.00001), and motor-evoked potentials of the stimulated hemisphere differed according to the stimulation frequency, that is, the high-frequency group (SMD = 0.57, P = 0.0006), except the low-frequency group (SMD = -0.27, P = 0.05). No significant differences were observed among the stimulation parameter subgroups except for the sessions subgroup ( P = 0.02). Only 10 included articles reported transient mild discomfort after rTMS. CONCLUSIONS rTMS promoted the recovery of limb motor function and changed the cortex excitability. rTMS may be better for early and pure subcortical stroke patients. Regarding different stimulation parameters, the number of stimulation sessions has an impact on the effect of rTMS.
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Affiliation(s)
- Huifang Xiang
- 1 Department of Rehabilitation Medicine, Chonggang General Hospital, Chongqing, China
| | - Jing Sun
- 2 Department of Gastrointestinal Neonatal Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Xiang Tang
- 3 Department of Neurology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kebin Zeng
- 3 Department of Neurology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiushu Wu
- 3 Department of Neurology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Hilderley AJ, Metzler MJ, Kirton A. Noninvasive Neuromodulation to Promote Motor Skill Gains After Perinatal Stroke. Stroke 2019; 50:233-239. [DOI: 10.1161/strokeaha.118.020477] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Alicia J. Hilderley
- From the Department of Pediatrics, Cumming School of Medicine, University of Calgary, Alberta, Canada (A.J.H., A.K.)
- Alberta Children’s Hospital Research Institute, University of Calgary, Alberta, Canada (A.J.H., M.J.M., A.K.)
| | - Megan J. Metzler
- Alberta Children’s Hospital Research Institute, University of Calgary, Alberta, Canada (A.J.H., M.J.M., A.K.)
| | - Adam Kirton
- From the Department of Pediatrics, Cumming School of Medicine, University of Calgary, Alberta, Canada (A.J.H., A.K.)
- Alberta Children’s Hospital Research Institute, University of Calgary, Alberta, Canada (A.J.H., M.J.M., A.K.)
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Ben-Pazi H, Aran A, Pandyan A, Gelkop N, Ginsberg G, Pollak Y, Elnatan D. Auditory stimulation improves motor function and caretaker burden in children with cerebral palsy- A randomized double blind study. PLoS One 2018; 13:e0208792. [PMID: 30543665 PMCID: PMC6292588 DOI: 10.1371/journal.pone.0208792] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 11/24/2018] [Indexed: 11/18/2022] Open
Abstract
Aim To investigate the impact of auditory stimulation on motor function in children with cerebral palsy (CP) and disabling hypertonia. Method 9 matched pairs (age: 7y5m, SD 4y1m; 13 boys; gross-motor-functional-classification-scale: median 4; manual-ability-classification-system: median 4) were randomized to receive either auditory stimulation embedded in music (study, n = 9) or music alone (sham, control, n = 9) for at least 10 minutes 4 times a week for 4 weeks. Goal-Attainment-Scale, Care-and-Comfort-Hypertonicity-Questionnaire, Gross-Motor-Function–Measure and Quality-of-Upper-Extremity-Skills-Test (QUEST) were assessed before and 5 months following intervention. Result Children receiving auditory stimulation attained more goals than children who listened to music alone (p = 0.002). Parents reported improved care and comfort in children in the study group compared to a slight deterioration in controls (p = 0.002). Upper extremity skills improved in the study group compared to controls (p = 0.006). Similar gross motor function changes were documented in both groups (p = 0.41). One participant reported increased seizure frequency; no other participants with epilepsy reported increased seizure frequency (n = 6/18) and no other adverse events were reported. Interpretation Auditory stimulation alleviated hypertonia and improved fine and gross motor functions.
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Affiliation(s)
- Hilla Ben-Pazi
- Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Adi Aran
- Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Anand Pandyan
- School of Health and Rehabilitation, Keele University, Keele, United Kingdom
| | - Nava Gelkop
- Physical therapy, Keren-Or Center, Jerusalem, Israel
- Meshi Children's Rehabilitation Center, Jerusalem, Israel
| | | | - Yehuda Pollak
- The Seymour Fox School of Education, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Debby Elnatan
- Meshi Children's Rehabilitation Center, Jerusalem, Israel
- * E-mail:
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Affiliation(s)
- David J. Lin
- Center for Neurotechnology and Neurorecovery, Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Massachusetts General Hospital, Boston, MA
| | - Seth P. Finklestein
- Stroke Service, Department of Neurology, Massachusetts General Hospital, Boston, MA
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Transcranial Direct Current Stimulation (tDCS) Paired with Occupation-Centered Bimanual Training in Children with Unilateral Cerebral Palsy: A Preliminary Study. Neural Plast 2018; 2018:9610812. [PMID: 30627151 PMCID: PMC6304908 DOI: 10.1155/2018/9610812] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 07/18/2018] [Accepted: 08/27/2018] [Indexed: 12/19/2022] Open
Abstract
Objective We investigated the preliminary efficacy of cathodal transcranial direct current stimulation (tDCS) combined with bimanual training in children and young adults with unilateral cerebral palsy based on the principle of exaggerated interhemispheric inhibition (IHI). Methods Eight participants with corticospinal tract (CST) connectivity from the lesioned hemisphere participated in an open-label study of 10 sessions of cathodal tDCS to the nonlesioned hemisphere (20 minutes) concurrently with bimanual, goal-directed training (120 minutes). We measured the frequency of adverse events and intervention efficacy with performance (bimanual-Assisting Hand Assessment (AHA)-and unimanual-Box and Blocks), self-report (Canadian Occupational Performance Measure (COPM), ABILHAND), and neurophysiologic (motor-evoked potential amplitude, cortical silent period (CSP) duration, and motor mapping) assessments. Results All participants completed the study with no serious adverse events. Three of 8 participants showed gains on the AHA, and 4 of 8 participants showed gains in Box and Blocks (more affected hand). Nonlesioned CSP duration decreased in 6 of 6 participants with analyzable data. Cortical representation of the first dorsal interosseous expanded in the nonlesioned hemisphere in 4 of 6 participants and decreased in the lesioned hemisphere in 3 of 4 participants with analyzable data. Conclusions While goal achievement was observed, objective measures of hand function showed inconsistent gains. Neurophysiologic data suggests nonlinear responses to cathodal stimulation of the nonlesioned hemisphere. Future studies examining the contributions of activity-dependent competition and cortical excitability imbalances are indicated.
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Doruk Camsari D, Kirkovski M, Croarkin PE. Therapeutic Applications of Noninvasive Neuromodulation in Children and Adolescents. Psychiatr Clin North Am 2018; 41:465-477. [PMID: 30098658 PMCID: PMC6413505 DOI: 10.1016/j.psc.2018.05.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Recent advances and growing evidence supporting the safety and efficacy of noninvasive neuromodulatory techniques in adults have facilitated the study of neuromodulation applications in children and adolescents. Noninvasive brain stimulation methods such as transcranial direct current stimulation and transcranial magnetic stimulation have been considered in children with depression, autism spectrum disorder, attention-deficit hyperactivity disorder, and other neuropsychiatric disorders. However, current clinical applications of neuromodulation techniques in children and adolescents are nascent. There is a great need for developmentally informed, large, double-blinded, randomized, controlled clinical trials to demonstrate efficacy and safety of noninvasive brain stimulation in children and adolescents.
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Affiliation(s)
- Deniz Doruk Camsari
- Department of Psychiatry and Psychology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA
| | - Melissa Kirkovski
- Deakin Child Study Centre, School of Psychology, Deakin University, Geelong, VIC 3220, Australia
| | - Paul E Croarkin
- Department of Psychiatry and Psychology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA.
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Musselman KE, Manns P, Dawe J, Delgado R, Yang JF. The Feasibility of Functional Electrical Stimulation to Improve Upper Extremity Function in a Two-year-old Child with Perinatal Stroke: A Case Report. Phys Occup Ther Pediatr 2018; 38:97-112. [PMID: 28071962 DOI: 10.1080/01942638.2016.1255291] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AIMS To evaluate the effectiveness and feasibility (i.e. tolerability, adherence) of functional electrical stimulation (FES) for the upper extremity (UE) in a two-year-old child with perinatal stroke. METHODS Forty hours of FES over eight weeks was prescribed. FES to the hemiplegic triceps, extensor carpi radialis longus and brevis, extensor carpi ulnaris and extensor digitorum was timed with reaching during play. Assessments were performed before, during, and two months post-intervention. UE function (Melbourne Assessment 2 (MA2), Assisting Hand Assessment (AHA)) and spasticity (Modified Tardieu with electrogoniometry and electromyography) were measured. The mother completed a semi-structured interview post-intervention. Descriptive statistics were used for adherence and UE measures. A repeated-measures ANOVA compared Modified Tardieu parameters (e.g. catch angle) over time. Conventional content analysis was used for the interview data. RESULTS The child completed 39.2/40 hours. Immediately post-intervention, improvements were observed on MA2's Range of Motion subscale and catch angle (Modified Tardieu, p < 0.001). Two months post-intervention, improvements were observed on MA2's Accuracy and Fluency subscales. No change in AHA score occurred. Three themes emerged from the interview: (1) Ingredients for program success; (2) Information about the FES device; and (3) The child's response. CONCLUSIONS UE FES was feasible in a two-year-old child with hemiplegia.
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Affiliation(s)
- Kristin E Musselman
- a Toronto Rehabilitation Institute-University Health Network , Toronto , ON , Canada.,b Department of Physical Therapy , Faculty of Medicine, University of Toronto , Toronto , ON , Canada.,c School of Physical Therapy, College of Medicine, University of Saskatchewan , Saskatoon , SK , Canada.,d Rehabilitation Sciences Institute, University of Toronto , Toronto , ON , Canada
| | - Patricia Manns
- e Department of Physical Therapy , Faculty of Rehabilitation Medicine, University of Alberta , Edmonton , AB , Canada
| | - Jaclyn Dawe
- d Rehabilitation Sciences Institute, University of Toronto , Toronto , ON , Canada
| | - Rhina Delgado
- f University of Alberta Hospital , Edmonton , AB , Canada
| | - Jaynie F Yang
- e Department of Physical Therapy , Faculty of Rehabilitation Medicine, University of Alberta , Edmonton , AB , Canada.,g Neuroscience & Mental Health Institute, University of Alberta , Edmonton , AB , Canada
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Gillick BT, Gordon AM, Feyma T, Krach LE, Carmel J, Rich TL, Bleyenheuft Y, Friel K. Non-Invasive Brain Stimulation in Children With Unilateral Cerebral Palsy: A Protocol and Risk Mitigation Guide. Front Pediatr 2018; 6:56. [PMID: 29616203 PMCID: PMC5864860 DOI: 10.3389/fped.2018.00056] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 02/26/2018] [Indexed: 01/04/2023] Open
Abstract
Non-invasive brain stimulation has been increasingly investigated, mainly in adults, with the aims of influencing motor recovery after stroke. However, a consensus on safety and optimal study design has not been established in pediatrics. The low incidence of reported major adverse events in adults with and without clinical conditions has expedited the exploration of NIBS in children with paralleled purposes to influence motor skill development after neurological injury. Considering developmental variability in children, with or without a neurologic diagnosis, adult dosing and protocols may not be appropriate. The purpose of this paper is to present recommendations and tools for the prevention and mitigation of adverse events (AEs) during NIBS in children with unilateral cerebral palsy (UCP). Our recommendations provide a framework for pediatric NIBS study design. The key components of this report on NIBS AEs are (a) a summary of related literature to provide the background evidence and (b) tools for anticipating and managing AEs from four international pediatric laboratories. These recommendations provide a preliminary guide for the assessment of safety and risk mitigation of NIBS in children with UCP. Consistent reporting of safety, feasibility, and tolerability will refine NIBS practice guidelines contributing to future clinical translations of NIBS.
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Affiliation(s)
- Bernadette T Gillick
- Physical Therapy Division, Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, MN, United States
| | - Andrew M Gordon
- Department of Biobehavioral Sciences, Teachers College, Columbia University, New York, NY, United States
| | - Tim Feyma
- Gillette Children's Specialty Healthcare, Pediatric Neurology, St. Paul, MN, United States
| | - Linda E Krach
- Courage Kenny Rehabilitation Institute, Minneapolis, MN, United States
| | - Jason Carmel
- Weill-Cornell Medical College, Blythedale Children's Hospital, Burke Medical Research Institute, White Plains, NY, United States
| | - Tonya L Rich
- Rehabilitation Science, University of Minnesota, Minneapolis, MN, United States
| | - Yannick Bleyenheuft
- Institute of Neuroscience (IoNS), Universite catholique de Louvain, Brussels, Belgium
| | - Kathleen Friel
- Weill-Cornell Medical College, Blythedale Children's Hospital, Burke Medical Research Institute, White Plains, NY, United States
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Sebastianelli L, Versace V, Martignago S, Brigo F, Trinka E, Saltuari L, Nardone R. Low-frequency rTMS of the unaffected hemisphere in stroke patients: A systematic review. Acta Neurol Scand 2017; 136:585-605. [PMID: 28464421 DOI: 10.1111/ane.12773] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/04/2017] [Indexed: 01/02/2023]
Abstract
The aim of this review was to summarize the evidence for the effectiveness of low-frequency (LF) repetitive transcranial magnetic stimulation (rTMS) over the unaffected hemisphere in promoting functional recovery after stroke. We performed a systematic search of the studies using LF-rTMS over the contralesional hemisphere in stroke patients and reviewed the 67 identified articles. The studies have been gathered together according to the time interval that had elapsed between the stroke onset and the beginning of the rTMS treatment. Inhibitory rTMS of the contralesional hemisphere can induce beneficial effects on stroke patients with motor impairment, spasticity, aphasia, hemispatial neglect and dysphagia, but the therapeutic clinical significance is unclear. We observed considerable heterogeneity across studies in the stimulation protocols. The use of different patient populations, regardless of lesion site and stroke aetiology, different stimulation parameters and outcome measures means that the studies are not readily comparable, and estimating real effectiveness or reproducibility is very difficult. It seems that careful experimental design is needed and it should consider patient selection aspects, rTMS parameters and clinical assessment tools. Consecutive sessions of rTMS, as well as the combination with conventional rehabilitation therapy, may increase the magnitude and duration of the beneficial effects. In an increasing number of studies, the patients have been enrolled early after stroke. The prolonged follow-up in these patients suggests that the effects of contralesional LF-rTMS can be long-lasting. However, physiological evidence indicating increased synaptic plasticity, and thus, a more favourable outcome, in the early enrolled patients, is still lacking. Carefully designed clinical trials designed are required to address this question. LF rTMS over unaffected hemisphere may have therapeutic utility, but the evidence is still preliminary and the findings need to be confirmed in further randomized controlled trials.
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Affiliation(s)
- L. Sebastianelli
- Department of Neurorehabilitation; Hospital of Vipiteno; Vipiteno Italy
- Research Unit for Neurorehabilitation of South Tyrol; Bolzano Italy
| | - V. Versace
- Department of Neurorehabilitation; Hospital of Vipiteno; Vipiteno Italy
- Research Unit for Neurorehabilitation of South Tyrol; Bolzano Italy
| | - S. Martignago
- Department of Neurorehabilitation; Hospital of Vipiteno; Vipiteno Italy
- Research Unit for Neurorehabilitation of South Tyrol; Bolzano Italy
| | - F. Brigo
- Department of Neurology; Franz Tappeiner Hospital; Merano Italy
- Department of Neurosciences, Biomedicine and Movement Sciences; University of Verona; Verona Italy
| | - E. Trinka
- Department of Neurology; Christian Doppler Klinik; Paracelsus Medical University; Salzburg Austria
| | - L. Saltuari
- Research Unit for Neurorehabilitation of South Tyrol; Bolzano Italy
- Department of Neurology; Hochzirl Hospital; Zirl Austria
| | - R. Nardone
- Department of Neurology; Franz Tappeiner Hospital; Merano Italy
- Department of Neurology; Christian Doppler Klinik; Paracelsus Medical University; Salzburg Austria
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Liu Q, Shen Y, Cao X, Li Y, Chen Y, Yang W, Yuan TF. Either at left or right, both high and low frequency rTMS of dorsolateral prefrontal cortex decreases cue induced craving for methamphetamine. Am J Addict 2017; 26:776-779. [PMID: 29134789 DOI: 10.1111/ajad.12638] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 09/08/2017] [Accepted: 10/22/2017] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND AND OBJECTIVES The study is to investigate if left or right dorsolateral prefrontal cortex is important in modulating the craving to drug related cues. METHODS The present investigation examined different combinations between left/right and high/low frequency rTMS on cue induced craving to methamphetamine, with active sham rTMS on P3 region on a total of 50 subjects. RESULTS The results showed that either at left or right side, both high and low frequency rTMS are effective in decreasing the cue induced craving to methamphetamine. DISCUSSION AND CONCLUSIONS In conclusion, bilateral frontal hemispheres are effective in modulating the cue induced craving to methamphetamine with rTMS. SCIENTIFIC SIGNIFICANCE TMS targeting prefrontal cortex is effective for craving modulation; however the mechanism is more than potentiation or depression of single brain region. (Am J Addict 2017;26:776-779).
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Affiliation(s)
- Qingming Liu
- School of Psychology, Nanjing Normal University, Nanjing, China
| | - Ying Shen
- Rehabilitation Medicine Center, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xinyu Cao
- Da Lian Shan Institute of Addiction Rehabilitation, Nanjing, China
| | - Yongqiang Li
- Rehabilitation Medicine Center, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yijiang Chen
- Mental Health Education Center, Nanjing Tech University, Nanjing, China
| | - Wei Yang
- The Second Hospital of Jilin University, Jilin, China
| | - Ti-Fei Yuan
- School of Psychology, Nanjing Normal University, Nanjing, China.,Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Beijing, China.,Shanghai Mental Health Center, Shanghai Jiaotong University of Medicine, Shanghai, China
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45
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Gordon AM. Impaired Voluntary Movement Control and Its Rehabilitation in Cerebral Palsy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 957:291-311. [PMID: 28035572 DOI: 10.1007/978-3-319-47313-0_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
Cerebral palsy is caused by early damage to the developing brain, as the most common pediatric neurological disorder. Hemiplegia (unilateral spastic cerebral palsy) is the most common subtype, and the resulting impairments, lateralized to one body side, especially affect the upper extremity, limiting daily function. This chapter first describes the pathophysiology and mechanisms underlying impaired upper extremity control of cerebral palsy. It will be shown that the severity of impaired hand function closely relates to the integrity of the corticospinal tract innervating the affected hand. It will also shown that the developing corticospinal tract can reorganize its connectivity depending on the timing and location of CNS injury, which also has implications for the severity of hand impairments and rehabilitation. The mechanisms underlying impaired motor function will be highlighted, including deficits in movement execution and planning and sensorimotor integration. It will be shown that despite having unimanual hand impairments, bimanual movement control deficits and mirror movements also impact function. Evidence for motor learning-based therapies including Constraint-Induced Movement Therapy and Bimanual Training, and the possible pathophysiological predictors of treatment outcome and plasticity will be described. Finally, future directions for rehabilitations will be presented.
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Affiliation(s)
- Andrew M Gordon
- Department of Biobehavioral Sciences, Teachers College, Columbia University, 525 West 120th Street, New York, New York, Box 93, 10027, USA.
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46
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Rich T, Cassidy J, Menk J, Van Heest A, Krach L, Carey J, Gillick BT. Stability of stereognosis after pediatric repetitive transcranial magnetic stimulation and constraint-induced movement therapy clinical trial. Dev Neurorehabil 2017; 20:169-172. [PMID: 26985568 PMCID: PMC5490365 DOI: 10.3109/17518423.2016.1139008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Poor sensibility affecting stereognosis, the ability to discriminate objects without visual input, can potentiate disuse of the paretic limb following stroke. The purpose of this study was to examine potential change in stereognosis after intervention. METHODS Stereognosis testing in a secondary subgroup of 10 children with hemiparesis and baseline stereognosis deficits (ages 11-16) after a 13-day clinical trial of real or sham repetitive transcranial magnetic stimulation (rTMS) and constraint-induced movement therapy (CIMT) is reported. All children received 10 h of CIMT while wearing a cast full-time. RESULTS Post-trial, 80% of participants from both intervention groups demonstrated improvement in stereognosis (95% CI: 44.4%-97.5%). Pre-trial to long-term follow-up (range: 21-57 months), 60% retained gains or improved (95% CI: 26.2%-87.8%). Between-group differences were not detected. DISCUSSION Children demonstrated stereognosis change following intervention. Research on this change and potential minimal clinically important differences are indicated.
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Affiliation(s)
- Tonya Rich
- Department of Physical Medicine and Rehabilitation Medical School, University of Minnesota, Minneapolis, MN, USA
| | - Jessica Cassidy
- Department of Physical Medicine and Rehabilitation Medical School, University of Minnesota, Minneapolis, MN, USA
| | - Jeremiah Menk
- Biostatistician Clinical and Translational Science Institute, Minneapolis, MN, USA
| | - Ann Van Heest
- Department of Orthopedic Surgery, Minneapolis, MN, USA
| | - Linda Krach
- Courage Kenny Rehabilitation Institute, part of Allina Health, Minneapolis, MN, USA
| | - James Carey
- Department of Physical Medicine and Rehabilitation Medical School, University of Minnesota, Minneapolis, MN, USA
| | - Bernadette T. Gillick
- Department of Physical Medicine and Rehabilitation Medical School, University of Minnesota, Minneapolis, MN, USA
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47
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Khan FR. Additive effects of sequential excitatory and inhibitory theta burst stimulation in improving cortical excitability following ischaemic stroke. Brain Inj 2017; 31:649-654. [PMID: 28350190 DOI: 10.1080/02699052.2017.1283536] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
PURPOSE To study the effects of sequential excitatory and inhibitory theta burst stimulation (TBS) on cortical excitability in patients with subacute ischaemic stroke. METHODS Fifteen patients with first-ever middle cerebral artery ischaemic stroke within last three months were subjected to intermittent TBS over the hand area (M1) of the stroke hemisphere (iTBSSH) followed by continuous TBS over the intact hemisphere M1 (cTBSIH). The study measured motor evoked potential (MEP) amplitude, resting motor threshold (RMT) and contralateral cortical silent period (cCSP) at baseline and after 7 minutes of each TBS session. RESULTS The mean age of the patients was 62.4 ± 8.0 years. The absolute changes in baseline motor physiological parameters were significantly greater after cTBSIH than after iTBSSH (p = 0.001). Following iTBSSH, there was a significant decrease in mean RMT (7.4%; p < 0.001). Following cTBSIH, there was further 18.3% increase in mean MEP amplitude and decrease in mean RMT (4.7%; p < 0.001) and cCSP (5.6%; p < 0.001) of the stroke hemisphere. Similar changes of smaller magnitude were noted in 12 age-matched controls. CONCLUSIONS The results indicate that combining iTBSSH and cTBSIH can have additive effect in increasing cortical excitability in subacute ischaemic patients with stroke.
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Affiliation(s)
- Fayaz Rahman Khan
- a Department of Physical Therapy, Faculty of Applied Medical Science , King Abdulaziz University , Jeddah , Saudi Arabia
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48
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Abstract
Recent advancements in stem cell biology and neuromodulation have ushered in a battery of new neurorestorative therapies for ischemic stroke. While the understanding of stroke pathophysiology has matured, the ability to restore patients' quality of life remains inadequate. New therapeutic approaches, including cell transplantation and neurostimulation, focus on reestablishing the circuits disrupted by ischemia through multidimensional mechanisms to improve neuroplasticity and remodeling. The authors provide a broad overview of stroke pathophysiology and existing therapies to highlight the scientific and clinical implications of neurorestorative therapies for stroke.
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Affiliation(s)
- Tej D Azad
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, California
| | - Anand Veeravagu
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, California
| | - Gary K Steinberg
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, California
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49
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Lefebvre S, Liew SL. Anatomical Parameters of tDCS to Modulate the Motor System after Stroke: A Review. Front Neurol 2017; 8:29. [PMID: 28232816 PMCID: PMC5298973 DOI: 10.3389/fneur.2017.00029] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Accepted: 01/23/2017] [Indexed: 01/19/2023] Open
Abstract
Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation method to modulate the local field potential in neural tissue and consequently, cortical excitability. As tDCS is relatively portable, affordable, and accessible, the applications of tDCS to probe brain-behavior connections have rapidly increased in the last 10 years. One of the most promising applications is the use of tDCS to modulate excitability in the motor cortex after stroke and promote motor recovery. However, the results of clinical studies implementing tDCS to modulate motor excitability have been highly variable, with some studies demonstrating that as many as 50% or more of patients fail to show a response to stimulation. Much effort has therefore been dedicated to understand the sources of variability affecting tDCS efficacy. Possible suspects include the placement of the electrodes, task parameters during stimulation, dosing (current amplitude, duration of stimulation, frequency of stimulation), individual states (e.g., anxiety, motivation, attention), and more. In this review, we first briefly review potential sources of variability specific to stroke motor recovery following tDCS. We then examine how the anatomical variability in tDCS placement [e.g., neural target(s) and montages employed] may alter the neuromodulatory effects that tDCS exerts on the post-stroke motor system.
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Affiliation(s)
- Stephanie Lefebvre
- Neural Plasticity and Neurorehabilitation Laboratory, Chan Division of Occupational Science and Occupational Therapy, Division of Biokinesiology and Physical Therapy, Department of Neurology, Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, USA
| | - Sook-Lei Liew
- Neural Plasticity and Neurorehabilitation Laboratory, Chan Division of Occupational Science and Occupational Therapy, Division of Biokinesiology and Physical Therapy, Department of Neurology, Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, USA
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50
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Hameed MQ, Dhamne SC, Gersner R, Kaye HL, Oberman LM, Pascual-Leone A, Rotenberg A. Transcranial Magnetic and Direct Current Stimulation in Children. Curr Neurol Neurosci Rep 2017; 17:11. [PMID: 28229395 PMCID: PMC5962296 DOI: 10.1007/s11910-017-0719-0] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Promising results in adult neurologic and psychiatric disorders are driving active research into transcranial brain stimulation techniques, particularly transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS), in childhood and adolescent syndromes. TMS has realistic utility as an experimental tool tested in a range of pediatric neuropathologies such as perinatal stroke, depression, Tourette syndrome, and autism spectrum disorder (ASD). tDCS has also been tested as a treatment for a number of pediatric neurologic conditions, including ASD, attention-deficit/hyperactivity disorder, epilepsy, and cerebral palsy. Here, we complement recent reviews with an update of published TMS and tDCS results in children, and discuss developmental neuroscience considerations that should inform pediatric transcranial stimulation.
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Affiliation(s)
- Mustafa Q Hameed
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Department of Neurology, Boston Children's Hospital Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- Department of Neurosurgery, Boston Children's Hospital Harvard Medical School, Boston, MA, 02115, USA
| | - Sameer C Dhamne
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Department of Neurology, Boston Children's Hospital Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Roman Gersner
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Department of Neurology, Boston Children's Hospital Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Harper L Kaye
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
- F.M. Kirby Neurobiology Center, Department of Neurology, Boston Children's Hospital Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Lindsay M Oberman
- Neuroplasticity and Autism Spectrum Disorder Program and Department of Psychiatry and Human Behavior, E.P. Bradley Hospital and Warren Alpert Medical School, Brown University, Providence, RI, USA
| | - Alvaro Pascual-Leone
- Berenson-Allen Center for Noninvasive Brain Stimulation and Division for Cognitive Neurology, Beth Israel Deaconness Medical Center Harvard Medical School, Boston, MA, USA
- Institut Guttmann, Universitat Autonoma, Barcelona, Spain
| | - Alexander Rotenberg
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA.
- F.M. Kirby Neurobiology Center, Department of Neurology, Boston Children's Hospital Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA.
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