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Arroyo-Ferrer A, Noreña DD, Serrano JI, Ríos-Lago M, Romero JP. Cognitive rehabilitation in a case of traumatic brain injury using EEG-based neurofeedback in comparison to conventional methods. J Integr Neurosci 2021; 20:449-457. [PMID: 34258946 DOI: 10.31083/j.jin2002047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/12/2021] [Accepted: 04/23/2021] [Indexed: 11/06/2022] Open
Abstract
Severe traumatic brain injury residual cognitive impairments significantly impact the quality of life. EEG-based neurofeedback is a technique successfully used in traumatic brain injury and stroke to rehabilitate cognitive and motor sequelae. There are not individualized comparisons of the effects of EEG-based neurofeedback versus conventional neuropsychological rehabilitation. We present a case study of a traumatic brain injury subject in whom eight sessions of a neuropsychological rehabilitation protocol targeting attention, executive functions, and working memory as compared with a personalized EEG-based neurofeedback protocol focused on the electrodes and bands that differed from healthy subjects (F3, F1, Fz, FC3, FC1, and FCz), targeting the inhibition of theta frequency band (3 Hz-7 Hz) in the same number of sessions. Quantitative EEG and neuropsychological testing were performed. Clear benefits of EEG-based neurofeedback were found in divided and sustained attention and several aspects related to visuospatial skills and the processing speed of motor-dependent tasks. Correlative quantitative EEG changes justify the results. EEG-based neurofeedback is probably an excellent complementary technique to be considered to enhance conventional neuropsychological rehabilitation.
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Wiers RW, Verschure P. Curing the broken brain model of addiction: Neurorehabilitation from a systems perspective. Addict Behav 2021; 112:106602. [PMID: 32889442 DOI: 10.1016/j.addbeh.2020.106602] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 07/09/2020] [Accepted: 08/04/2020] [Indexed: 12/11/2022]
Abstract
The dominant biomedical perspective on addictions has been that they are chronic brain diseases. While we acknowledge that the brains of people with addictions differ from those without, we argue that the "broken brain" model of addiction has important limitations. We propose that a systems-level perspective more effectively captures the integrated architecture of the embodied and situated human mind and brain in relation to the development of addictions. This more dynamic conceptualization places addiction in the broader context of the addicted brain that drives behavior, where the addicted brain is the substrate of the addicted mind, that in turn is situated in a physical and socio-cultural environment. From this perspective, neurorehabilitation should shift from a "broken-brain" to a systems theoretical framework, which includes high-level concepts related to the physical and social environment, motivation, self-image, and the meaning of alternative activities, which in turn will dynamically influence subsequent brain adaptations. We call this integrated approach system-oriented neurorehabilitation. We illustrate our proposal by showing the link between addiction and the architecture of the embodied brain, including a systems-level perspective on classical conditioning, which has been successfully translated into neurorehabilitation. Central to this example is the notion that the human brain makes predictions on future states as well as expected (or counterfactual) errors, in the context of its goals. We advocate system-oriented neurorehabilitation of addiction where the patients' goals are central in targeted, personalized assessment and intervention.
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Wanner P, Winterholler M, Gaßner H, Winkler J, Klucken J, Pfeifer K, Steib S. Acute exercise following skill practice promotes motor memory consolidation in Parkinson's disease. Neurobiol Learn Mem 2020; 178:107366. [PMID: 33358765 DOI: 10.1016/j.nlm.2020.107366] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 12/01/2020] [Accepted: 12/15/2020] [Indexed: 02/05/2023]
Abstract
Acute cardiovascular exercise has shown to promote neuroplastic processes supporting the consolidation of newly acquired motor skills in healthy adults. First results suggest that this concept may be transferred to populations with motor and cognitive dysfunctions. In this context, Parkinson's disease (PD) is highly relevant since patients demonstrate deficits in motor learning. Hence, in the present study we sought to explore the effect of a single post-practice exercise bout on motor memory consolidation in PD. For this purpose, 17 patients with PD (Hoehn and Yahr: 1 - 2.5, age: 60.1 ± 7.9 y) practiced a whole-body skill followed by either (i) a moderate-intense bout of cycling, or (ii) seated rest for a total of 30 min. The motor skill required the participants to balance on a tiltable platform (stabilometer) for 30 s. During skill practice, participants performed 15 trials followed by a retention test 1 day and 7 days later. We calculated time in balance (platform within ± 5° from horizontal) for each trial and within- and between-group differences in memory consolidation (i.e. offline learning = skill change from last acquisition block to retention tests) were analyzed. Groups revealed similar improvements during skill practice (F4,60 = 0.316, p = 0.866), but showed differences in offline learning, which were only evident after 7 days (F1,14 = 5.602, p = 0.033). Our results suggest that a single post-practice exercise bout is effective in enhancing long-term motor memory consolidation in a population with motor learning impairments. This may point at unique promoting effects of exercise on dopamine neurotransmission involved in memory formation. Future studies should investigate the potential role of exercise-induced effects on the dopaminergic system.
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Abstract
Background Many stroke survivors suffer recurrent stroke because paroxysmal atrial fibrillation (AF) was missed and no preventive anticoagulation initiated. This prospective cohort study determined the added diagnostic yield of second-look 24-h electrocardiographic recording (ECG) in a population at high risk for AF: patients who suffered a stroke of such severity that they require inpatient neurorehabilitation. Methods We enrolled 508 patients with ischemic stroke admitted to post-acute inpatient neurorehabilitation and determined whether AF was detected during acute care at the referring hospital. Second-look baseline and 24-h Holter ECG were then conducted during neurorehabilitation. Primary outcome was number of newly detected AF with duration of > 30 s; secondary outcomes were number of newly detected absolute arrhythmia of 10–30 s and < 10 s duration. For comparison, we further enrolled 100 patients with hemorrhagic stroke without history of AF (age = 72 + 11 years, 51% female). Results In 206 of the 508 ischemic stroke patients, AF had been detected during acute phase work-up (age = 78 + 10 years, 55% female). For the remaining 302 ischemic stroke patients, no AF was detected during acute phase work-up (age = 74 + 9 years; 47% female). Second-look 24-h ECG showed previously missed AF of > 30 s in 20 of these patients, i.e. 6.6% of the sample, and shorter absolute arrhythmia in 50 patients (i.e. 16.5%). Conclusions Second-look 24-Hour ECG performed during post-acute inpatient neurorehabilitation has a high diagnostic yield and should become a standard component of recurrent stroke prevention.
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O'Neal CM, Stephens TM, Briggs RG, Sughrue ME, Conner AK. Navigated transcranial magnetic stimulation following awake craniotomy for resection of glioma: Description of two cases. Surg Neurol Int 2020; 11:433. [PMID: 33365195 PMCID: PMC7749929 DOI: 10.25259/sni_628_2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 11/19/2020] [Indexed: 01/23/2023] Open
Abstract
Background Although transcranial magnetic stimulation (TMS) has been indicated as a potential therapy for several neurologic conditions, there is little known regarding its use during the postoperative rehabilitation period in patients with brain tumors. Furthermore, seizures, a common presentation in these patients, are regarded as a major contraindication for TMS therapy. Case Description We demonstrate that postoperative continuous theta burst stimulation (cTBS), a patterned form of repetitive TMS, was safely tolerated in addition to current neurorehabilitation techniques in two brain tumor patients, including one patient with a history of tumor-related epilepsy. We administered navigated 5 Hz cTBS to two patients within 48 h following awake craniotomy for tumor resection. Active motor thresholds were measured in both patients before TBS administration to determine stimulus intensity. We used resting-state fMRI to identify likely damaged networks based on postoperative deficits. This aided in TMS planning and allowed deficit targeted therapy contralateral to the lesioned network node. Both patients tolerated TBS therapy well and had no adverse effects, including posttreatment seizures, despite one patient having a history of tumor-related epilepsy. Conclusion TBS may be safe in the immediate postoperative period for patients following brain tumor resection. Additional studies are needed to quantify the efficacy of TMS in improving neurologic deficits following tumor resection.
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Schönhofer B, Geiseler J, Dellweg D, Fuchs H, Moerer O, Weber-Carstens S, Westhoff M, Windisch W. Prolonged Weaning: S2k Guideline Published by the German Respiratory Society. Respiration 2020; 99:1-102. [PMID: 33302267 DOI: 10.1159/000510085] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 01/28/2023] Open
Abstract
Mechanical ventilation (MV) is an essential part of modern intensive care medicine. MV is performed in patients with severe respiratory failure caused by respiratory muscle insufficiency and/or lung parenchymal disease; that is, when other treatments such as medication, oxygen administration, secretion management, continuous positive airway pressure (CPAP), or nasal high-flow therapy have failed. MV is required for maintaining gas exchange and allows more time to curatively treat the underlying cause of respiratory failure. In the majority of ventilated patients, liberation or "weaning" from MV is routine, without the occurrence of any major problems. However, approximately 20% of patients require ongoing MV, despite amelioration of the conditions that precipitated the need for it in the first place. Approximately 40-50% of the time spent on MV is required to liberate the patient from the ventilator, a process called "weaning". In addition to acute respiratory failure, numerous factors can influence the duration and success rate of the weaning process; these include age, comorbidities, and conditions and complications acquired during the ICU stay. According to international consensus, "prolonged weaning" is defined as the weaning process in patients who have failed at least 3 weaning attempts, or require more than 7 days of weaning after the first spontaneous breathing trial (SBT). Given that prolonged weaning is a complex process, an interdisciplinary approach is essential for it to be successful. In specialised weaning centres, approximately 50% of patients with initial weaning failure can be liberated from MV after prolonged weaning. However, the heterogeneity of patients undergoing prolonged weaning precludes the direct comparison of individual centres. Patients with persistent weaning failure either die during the weaning process, or are discharged back to their home or to a long-term care facility with ongoing MV. Urged by the growing importance of prolonged weaning, this Sk2 Guideline was first published in 2014 as an initiative of the German Respiratory Society (DGP), in conjunction with other scientific societies involved in prolonged weaning. The emergence of new research, clinical study findings and registry data, as well as the accumulation of experience in daily practice, have made the revision of this guideline necessary. The following topics are dealt with in the present guideline: Definitions, epidemiology, weaning categories, underlying pathophysiology, prevention of prolonged weaning, treatment strategies in prolonged weaning, the weaning unit, discharge from hospital on MV, and recommendations for end-of-life decisions. Special emphasis was placed on the following themes: (1) A new classification of patient sub-groups in prolonged weaning. (2) Important aspects of pulmonary rehabilitation and neurorehabilitation in prolonged weaning. (3) Infrastructure and process organisation in the care of patients in prolonged weaning based on a continuous treatment concept. (4) Changes in therapeutic goals and communication with relatives. Aspects of paediatric weaning are addressed separately within individual chapters. The main aim of the revised guideline was to summarize both current evidence and expert-based knowledge on the topic of "prolonged weaning", and to use this information as a foundation for formulating recommendations related to "prolonged weaning", not only in acute medicine but also in the field of chronic intensive care medicine. The following professionals served as important addressees for this guideline: intensivists, pulmonary medicine specialists, anaesthesiologists, internists, cardiologists, surgeons, neurologists, paediatricians, geriatricians, palliative care clinicians, rehabilitation physicians, intensive/chronic care nurses, physiotherapists, respiratory therapists, speech therapists, medical service of health insurance, and associated ventilator manufacturers.
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Rollnik JD, Brocke J, Gorsler A, Groß M, Hartwich M, Pohl M, Schmidt-Wilcke T, Platz T. [Weaning in neurological and neurosurgical early rehabilitation-Results from the "WennFrüh" study of the German Society for Neurorehabilitation]. DER NERVENARZT 2020; 91:1122-1129. [PMID: 32776234 PMCID: PMC7416590 DOI: 10.1007/s00115-020-00976-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Neurologisch-neurochirurgische Frührehabilitanden sind klinisch oft so schwer betroffen, dass sie neben der frührehabilitativen Behandlung auch von der mechanischen Beatmung entwöhnt werden müssen. In einer Umfrage der Deutschen Gesellschaft für Neurorehabilitation (DGNR) wurden neurologische Weaningzentren gebeten, Informationen zu Strukturmerkmalen ihrer Einrichtung, ihrer personellen und apparativen Ausstattung sowie basierend auf anonymen Daten zu Fallzahl und Behandlungsergebnis zur Verfügung zu stellen. Es nahmen 36 Weaningeinheiten aus 11 Bundesländern mit insgesamt 496 Betten teil. Von 2516 erfassten Weaningfällen im Jahr 2019 wurden 2097 (83,3 %) primär erfolgreich entwöhnt und nur 120 (4,8 %) mussten mit Heimbeatmung entlassen werden. Die Mortalität in dieser Stichprobe lag bei 11,0 % (n = 276). Die Erhebung zeigt, dass das prolongierte Weaning in der neurologisch-neurochirurgischen Frührehabilitation ein wichtiger und erfolgreicher Bestandteil der Versorgung schwerstkranker Patienten darstellt.
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Yang J, Zhao Z, Du C, Wang W, Peng Q, Qiu J, Wang G. The realization of robotic neurorehabilitation in clinical: use of computational intelligence and future prospects analysis. Expert Rev Med Devices 2020; 17:1311-1322. [PMID: 33252284 DOI: 10.1080/17434440.2020.1852930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Introduction: Although there is a need for rehabilitation treatment with the increase in the aging population, the shortage of skilled physicians frustrates this necessity. Robotic technology has been advocated as one of the most viable methods with the potential to replace humans in providing physical rehabilitation of patients with neurological impairment. However, because the pioneering robot devices suffer several reservations such as safety and comfort concerns in clinical practice, there is an urgent need to provide upgraded replacements. The rapid development of intelligent computing has attracted the attention of researchers concerning the utilization of computational intelligence algorithms for robots in rehabilitation. Areas covered: This article reviews the state of the art and advances of robotic neurorehabilitation with computational intelligence. We classified advances into two categories: mechanical structures and control methods. Prospective outlooks of rehabilitation robots also have been discussed. Expert opinion: The aggravation of global aging has promoted the application of robotic technology in neurorehabilitation. However, this approach is not mature enough to guarantee the safety of patients. Our critical review summarizes multiple computation algorithms which have been proved to be valuable for better robotic use in clinical settings and guide the possible future advances in this industry.
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Bek J, Gowen E, Vogt S, Crawford TJ, Poliakoff E. Action observation and imitation in Parkinson's disease: The influence of biological and non-biological stimuli. Neuropsychologia 2020; 150:107690. [PMID: 33259870 DOI: 10.1016/j.neuropsychologia.2020.107690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 10/16/2020] [Accepted: 11/11/2020] [Indexed: 10/22/2022]
Abstract
Action observation and imitation have been found to influence movement in people with Parkinson's disease (PD), but simple visual stimuli can also guide their movement. To investigate whether action observation may provide a more effective stimulus than other visual cues, the present study examined the effects of observing human pointing movements and simple visual stimuli on hand kinematics and eye movements in people with mild to moderate PD and age-matched controls. In Experiment 1, participants observed videos of movement sequences between horizontal positions, depicted by a simple cue with or without a moving human hand, then imitated the sequence either without further visual input (consecutive task) or while watching the video again (concurrent task). Modulation of movement duration, in accordance with changes in the observed stimulus, increased when the simple cue was accompanied by the hand and in the concurrent task, whereas modulation of horizontal amplitude was greater with the simple cue alone and in the consecutive task. Experiment 2 compared imitation of kinematically-matched dynamic biological (human hand) and non-biological (shape) stimuli, which moved with a high or low vertical trajectory. Both groups exhibited greater modulation for the hand than the shape, and differences in eye movements suggested closer tracking of the hand. Despite producing slower and smaller movements overall, the PD group showed a similar pattern of imitation to controls across tasks and conditions. The findings demonstrate that observing human action influences aspects of movement such as duration or trajectory more strongly than non-biological stimuli, particularly during concurrent imitation.
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Boubour A, Mboma S, Võ T, Birbeck GL, Seydel KB, Mallewa M, Chinguo D, Gladstone M, Mohamed S, Thakur KT. "We can't handle things we don't know about": perceived neurorehabilitation challenges for Malawian paediatric cerebral malaria survivors. BMC Pediatr 2020; 20:503. [PMID: 33138796 PMCID: PMC7607705 DOI: 10.1186/s12887-020-02405-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 10/26/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We sought to identify perceptions of neurorehabilitation challenges for paediatric cerebral malaria (CM) survivors post-hospital discharge at Queen Elizabeth Central Hospital (QECH) in Blantyre, Malawi. METHODS An exploratory approach was used to qualitatively investigate the perceived neurorehabilitation challenges for paediatric CM survivors. Data were collected through semi-structured in-depth interviews (IDIs) and focus group discussions (FGDs). Eighteen data-gathering sessions were conducted with 38 total participants, including 3 FGDs with 23 primary caregivers, 11 IDIs with healthcare workers at QECH, and 4 IDIs with community-based rehabilitation workers (CRWs). RESULTS FGDs revealed that caregivers lack important knowledge about CM and fear recurrence of CM in their children. Post-CM children and families experience substantial stigma and sociocultural barriers to integrating into their community and accessing neurorehabilitative care. At a community-level, rehabilitation infrastructure, including trained staff, equipment, and programmes, is extremely limited. Rehabilitation services are inequitably accessible, and community-based rehabilitation remains largely unavailable. CONCLUSIONS There is an urgent need to establish further training of rehabilitation personnel at all levels and to build accessible rehabilitation infrastructure in Malawi for post-CM patients. Additional work is required to expand this study across multiple regions for a holistic understanding of neurorehabilitation needs.
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van Kammen K, Reinders-Messelink HA, Elsinghorst AL, Wesselink CF, Meeuwisse-de Vries B, van der Woude LHV, Boonstra AM, den Otter R. Amplitude and stride-to-stride variability of muscle activity during Lokomat guided walking and treadmill walking in children with cerebral palsy. Eur J Paediatr Neurol 2020; 29:108-117. [PMID: 32900595 DOI: 10.1016/j.ejpn.2020.08.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 08/09/2020] [Accepted: 08/18/2020] [Indexed: 11/15/2022]
Abstract
BACKGROUND The Lokomat is a commercially available exoskeleton for gait training in persons with cerebral palsy (CP). Because active contributions and variability over movement repetitions are determinants of training effectiveness, we studied muscle activity in children with CP, and determined (i) differences between treadmill and Lokomat walking, and (ii) the effects of Lokomat training parameters, on the amplitude and the stride-to-stride variability. METHODS Ten children with CP (age 13.2 ± 2.9, GMFCS level II(n = 6)/III(n = 4)) walked on a treadmill (±1 km/h; 0% bodyweight support(BWS)), and in the Lokomat (50% and 100% guidance; ±1 km/h and ±2 km/h; 0% and 50% BWS). Activity was recorded from Gluteus Medius (GM), Vastus Lateralis (VL), Biceps Femoris (BF), Medial Gastrocnemius (MG) and Tibialis Anterior (TA) of the most affected side. The averaged amplitude per gait phase, and the second order coefficient of variation was used to determine the active contribution and stride-to-stride variability, respectively. RESULTS Generally, the amplitude of activity was lower in the Lokomat than on the treadmill. During Lokomat walking, providing guidance and BWS resulted in slightly lower amplitudes whereas increased speed was associated with higher amplitudes. No significant differences in stride-to-stride variability were observed between Lokomat and treadmill walking, and in the Lokomat only speed (MG) and guidance (BF) affected variability. CONCLUSIONS Lokomat walking reduces muscle activity in children with CP, whereas altering guidance or BWS generally does not affect amplitude. This urges additional measures to encourage active patient contributions, e.g. by increasing speed or through instruction.
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Mishra R, Florez-Perdomo WA, Shrivatava A, Chouksey P, Raj S, Moscote-Salazar LR, Rahman MM, Sutar R, Agrawal A. Role of Music Therapy in Traumatic Brain Injury: A Systematic Review and Meta-analysis. World Neurosurg 2020; 146:197-204. [PMID: 33130286 DOI: 10.1016/j.wneu.2020.10.130] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/24/2020] [Accepted: 10/24/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Music therapy has promising results in improving rehabilitation outcomes of patients with various neurologic disorders; however, its effectiveness in patients with traumatic brain injury (TBI) is not clear. METHODS A search that compared the effect of music therapy as rehabilitation to controls in motor and cognitive outcomes in patients with TBI was carried out. The outcome of interest were gait velocity, stride length, and cadence to determine the motor outcome. Memory and executive function were the main cognitive outcome measures assessed. Two authors independently abstracted data using a data collection form. Results from the studies were then pooled when appropriate for the meta-analysis. RESULTS Of 102 studies, 6 studies were identified for systematic review and meta-analysis after inclusion and exclusion criteria. The effect of music therapy had a pooled mean difference in improvement in gait velocity by 12.29 cm/second (95% confidence interval 2.31-22.27;), cadence by 7.19 steps/minute (95% confidence interval -25.35 to 39.73;), and stride length by 0.19 meters (95% confidence interval 0.13-0.12;). No serious side effects were noticed, however, one of the studies reported a decrease in memory function after music therapy. CONCLUSIONS Pooled results from 6 studies demonstrated statistically significant improvement in the stride length and executive function outcome in patients with TBI after music therapy rehabilitation. The improvement effect on cadence and gait velocity was not statistically significant and no significant effect of music therapy was found on memory in these patients.
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Laxe S, Ferri J, Juárez-Belaunde A, Ríos-Lago M, Rodríguez-Duarte R, Murie-Fernández M. Neurorehabilitation in the times of Covid-19: insights from the Spanish Neurorehabilitation Society (SENR). Brain Inj 2020; 34:1691-1692. [PMID: 33104386 DOI: 10.1080/02699052.2020.1830172] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The entire world is experiencing an unprecedented global health crisis and Spain has been one of the most heavily affected countries within Europe. Unexpected rapid changes and reorganization of medical services that occurred during the pandemic lead to an impact in the practice of neurorehabilitation. The idiosyncrasies typical of neurorehabilitation management, specially in acute facilities, that makes it susceptible as a vector of dissemination of Covid but also because of the need of finding new wards and intensive care units for Covid patients, the interventions in neurorehabilitation has suffered enormous changes. There is a need for rethinking the future to treat a new wave of patients with neurorehabilitation necessities such as those recovering from Covid 19 with neurological sequelae but also of those neurorehab patients who were unable to access the health system during the locke down period. This article is intended to invite to reflect on and discuss the redesign of our current neurorehabilitation plans after the experience on the Covid 19 pandemic.
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Zhang D, Lu Y, Zhao X, Zhang Q, Li L. Aerobic exercise attenuates neurodegeneration and promotes functional recovery - Why it matters for neurorehabilitation & neural repair. Neurochem Int 2020; 141:104862. [PMID: 33031857 DOI: 10.1016/j.neuint.2020.104862] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 09/28/2020] [Accepted: 09/29/2020] [Indexed: 12/19/2022]
Abstract
Aerobic exercise facilitates optimal neurological function and exerts beneficial effects in neurologic injuries. Both animal and clinical studies have shown that aerobic exercise reduces brain lesion volume and improves multiple aspects of cognition and motor function after stroke. Studies using animal models have proposed a wide range of potential molecular mechanisms that underlie the neurological benefits of aerobic exercise. Furthermore, additional exercise parameters, including time of initiation, exercise dosage (exercise duration and intensity), and treatment modality are also critical for clinical application, as identifying the optimal combination of parameters will afford patients with maximal functional gains. To clarify these issues, the current review summarizes the known neurological benefits of aerobic exercise under both physiological and pathological conditions and then considers the molecular mechanisms underlying these benefits in the contexts of stroke-like focal cerebral ischemia and cardiac arrest-induced global cerebral ischemia. In addition, we explore the key roles of exercise parameters on the extent of aerobic exercise-induced neurological benefits to elucidate the optimal combination for aerobic exercise intervention. Finally, the current challenges for aerobic exercise implementation after stroke are discussed.
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Berns C, Brüchle W, Scho S, Schneefeld J, Schneider U, Rosenkranz K. Intensity dependent effect of cognitive training on motor cortical plasticity and cognitive performance in humans. Exp Brain Res 2020; 238:2805-2818. [PMID: 33025030 PMCID: PMC7644474 DOI: 10.1007/s00221-020-05933-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 09/24/2020] [Indexed: 01/28/2023]
Abstract
Intervention-induced neuroplastic changes within the motor or cognitive system have been shown in the human brain. While cognitive and motor brain areas are densely interconnected, it is unclear whether this interconnectivity allows for a shared susceptibility to neuroplastic changes. Using the preparation for a theoretical exam as training intervention that primarily engages the cognitive system, we tested the hypothesis whether neuroplasticity acts across interconnected brain areas by investigating the effect on excitability and synaptic plasticity in the motor cortex. 39 healthy students (23 female) underwent 4 weeks of cognitive training while revision time, physical activity, concentration, fatigue, sleep quality and stress were monitored. Before and after cognitive training, cognitive performance was evaluated, as well as motor excitability using transcranial magnetic stimulation and long-term-potentiation-like (LTP-like) plasticity using paired-associative-stimulation (PAS). Cognitive training ranged individually from 1 to 7 h/day and enhanced attention and verbal working memory. While motor excitability did not change, LTP-like plasticity increased in an intensity-depending manner: the longer the daily revision time, the smaller the increase of neuroplasticity, and vice versa. This effect was not influenced by physical activity, concentration, fatigue, sleep quality or stress. Motor cortical plasticity is strengthened by a behavioural intervention that primarily engages cognitive brain areas. We suggest that this effect is due to an enhanced susceptibility to LTP-like plasticity, probably induced by heterosynaptic activity that modulates postsynaptic excitability in motorcortical neurones. The smaller increase of PAS efficiency with higher cognitive training intensity suggests a mechanism that balances and stabilises the susceptibility for synaptic potentiation.
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Specificities of acute phase stroke management in the elderly. Rev Neurol (Paris) 2020; 176:684-691. [PMID: 32980154 DOI: 10.1016/j.neurol.2020.07.006] [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: 10/25/2019] [Revised: 06/22/2020] [Accepted: 07/06/2020] [Indexed: 11/21/2022]
Abstract
Health professionals are currently facing the challenge of managing an increasing number of old patients presenting with acute stroke, due to rapid aging of the population. Compared to their younger counterparts, elderly patients differ in many ways in the setting of acute stroke. Apart from a striking high stroke incidence, which increases exponentially as age increases, cardioembolism also becomes, as patients age, the main cause of ischemic stroke. Delirium, which can challenge the diagnosis, is frequent at the acute phase of stroke, and may be related to an underlying dementia, which is almost exclusively observed in the elderly during stroke. At all levels, management of elderly stroke patients is suboptimal, especially when they are cognitively impaired, with insufficiencies including admission to stroke units, applying standards of care and investigation, reperfusion therapy for ischemic stroke, and finally transfer to rehabilitation centers. A paradigm shift must take place to limit age-related discrimination for acute-phase management of stroke.
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Kusec A, Murphy FC, Peers PV, Lawrence C, Cameron E, Morton C, Bateman A, Watson P, Manly T. Mood, Activity Participation, and Leisure Engagement Satisfaction (MAPLES): a randomised controlled pilot feasibility trial for low mood in acquired brain injury. Pilot Feasibility Stud 2020; 6:135. [PMID: 32974044 PMCID: PMC7507282 DOI: 10.1186/s40814-020-00660-8] [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: 02/06/2020] [Accepted: 08/03/2020] [Indexed: 11/22/2022] Open
Abstract
Background Acquired brain injury (ABI) affects approximately 79.3 million individuals annually and is linked with elevated rates of depression and low mood. Existing methods for treating depression in ABI have shown mixed efficacy. Behavioural activation (BA) is a potentially promising intervention. Its premise is that individuals with low mood avoid planning and engaging in activities due to low expectations of a positive outcome. Consequently, their exposure to positive reinforcement is reduced, exacerbating low mood. BA aims to break this cycle by encouraging activity planning and engagement. It is unknown whether cognitive demands of traditional BA may undermine efficacy in ABI. Here, we assess the feasibility and acceptability of two groups designed to increase activity engagement. In the activity planning group (traditional BA), the importance of meaningful and positive activity will be discussed and participants encouraged to plan/engage in activities in everyday life. The activity engagement group (experiential BA) instead focuses on engagement in positive experiences (crafts, games, discussion) within the group. The primary aims are to evaluate the feasibility and acceptability of the two groups in ABI. A secondary aim is to explore relative efficacy of the groups compared to an equivalent period of waitlist controls. Method This study outlines a parallel-arm pilot feasibility trial for individuals with low mood and ABI that compares a traditional vs experiential BA group vs waitlist controls. Adults (≥ 18 years) will be recruited from local ABI services and randomised to condition. Feasibility and acceptability will be assessed via recruitment, retention, attendance and participant feedback. Groups will be compared (pre- and post-intervention and 1 month follow-up) by assessing self-reported activity engagement. Secondary outcomes include self-report measures of depression, anxiety, post-traumatic distress related to the ABI, motivation, participation and sense of control over one’s life. Ethics and dissemination The trial has been approved by the Health Research Authority of the NHS in the UK (East of England—Cambridge Central, REF 18/EE/0305). Results will inform future research on interventions for mood in ABI and be disseminated broadly via peer-reviewed journals, conference presentations and social media. Trial registration ClinicalTrials.gov, NCT03874650 pre-results. Protocol version 2.1, March 5, 2019
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Shibata T, Urata A, Kawahara K, Furuya K, Ishikuro K, Hattori N, Kuroda S. Therapeutic Effects of Diagonal-Transcranial Direct Current Stimulation on Functional Recovery in Acute Stroke: A Pilot Study. J Stroke Cerebrovasc Dis 2020; 29:105107. [PMID: 32912556 DOI: 10.1016/j.jstrokecerebrovasdis.2020.105107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/23/2020] [Accepted: 06/26/2020] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Peak neurologic recovery from acute stroke occurs within the first 3 months, and continues at a slower pace for 6 months. OBJECTIVE/HYPOTHESIS The aim of this pilot study is to clarify the safety and feasibility of multiple diagonal-transcranial direct current stimulation (d-tDCS) sessions up to 3 months with electrodes placed diagonally over the lesional dorsolateral prefrontal cortex and contralesional primary motor cortex for upper limb hemiparesis in acute stroke. METHODS Five patients with acute stroke (2 with intracerebral hemorrhage and 3 with cerebral infarction) with upper limb paresis participated. d-tDCS (1 mA, 20 min per day) combined with conventional rehabilitation was given starting 7-21 days after stroke onset. Each session consisted of 10 d-tDCS over 2 weeks and patients received 2 sessions in the acute phase and 2 sessions in the subacute phase for a total 40 treatments. Motor function was assessed using Fugl-Meyer Assessment for upper extremity (FMA-UE) before and after each session, and the period to achieve 70% of maximal potential recovery in FMA-UE was evaluated. RESULTS All 5 patients completed the intervention and showed no adverse effects throughout the protocol. Of these, 3 (60%) achieved 70% predicted scores within 2 months. Regarding therapeutic gains of FMA-UE in each of the 10 sessions in the acute phase, 4 sessions showed great recovery, 3 sessions showed moderate recovery, and 3 sessions showed poor recovery. CONCLUSION These findings suggest that d-tDCS over 3 months may be safe and feasible for acute stroke patients in the acute to subacute phases and have therapeutic potential to promote recovery of upper limb function, although further randomized, double-blind, sham-controlled trial is warranted with larger sample size.
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Grechuta K, Rubio Ballester B, Espín Munné R, Usabiaga Bernal T, Molina Hervás B, Mohr B, Pulvermüller F, San Segundo RM, Verschure PFMJ. Multisensory cueing facilitates naming in aphasia. J Neuroeng Rehabil 2020; 17:122. [PMID: 32907594 PMCID: PMC7487671 DOI: 10.1186/s12984-020-00751-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 08/27/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Impaired naming is a ubiquitous symptom in all types of aphasia, which often adversely impacts independence, quality of life, and recovery of affected individuals. Previous research has demonstrated that naming can be facilitated by phonological and semantic cueing strategies that are largely incorporated into the treatment of anomic disturbances. Beneficial effects of cueing, whereby naming becomes faster and more accurate, are often attributed to the priming mechanisms occurring within the distributed language network. OBJECTIVE We proposed and explored two novel cueing techniques: (1) Silent Visuomotor Cues (SVC), which provided articulatory information of target words presented in the form of silent videos, and (2) Semantic Auditory Cues (SAC), which consisted of acoustic information semantically relevant to target words (ringing for "telephone"). Grounded in neurophysiological evidence, we hypothesized that both SVC and SAC might aid communicative effectiveness possibly by triggering activity in perceptual and semantic language regions, respectively. METHODS Ten participants with chronic non-fluent aphasia were recruited for a longitudinal clinical intervention. Participants were split into dyads (i.e., five pairs of two participants) and required to engage in a turn-based peer-to-peer language game using the Rehabilitation Gaming System for aphasia (RGSa). The objective of the RGSa sessions was to practice communicative acts, such as making a request. We administered SVCs and SACs in a pseudorandomized manner at the moment when the active player selected the object to be requested from the interlocutor. For the analysis, we compared the times from selection to the reception of the desired object between cued and non-cued trials. RESULTS Naming accuracy, as measured by a standard clinical scale, significantly improved for all stimuli at each evaluation point, including the follow-up. Moreover, the results yielded beneficial effects of both SVC and SAC cues on word naming, especially at the early intervention sessions when the exposure to the target lexicon was infrequent. CONCLUSIONS This study supports the efficacy of the proposed cueing strategies which could be integrated into the clinic or mobile technology to aid naming even at the chronic stages of aphasia. These findings are consistent with sensorimotor accounts of language processing, suggesting a coupling between language, motor, and semantic brain regions. TRIAL REGISTRATION NCT02928822 . Registered 30 May 2016.
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Platz T, Bender A, Dohle C, Gorsler A, Knecht S, Liepert J, Mokrusch T, Sailer M. German hospital capacities for prolonged mechanical ventilator weaning in neurorehabilitation - results of a representative survey. Neurol Res Pract 2020; 2:18. [PMID: 32835164 PMCID: PMC7326531 DOI: 10.1186/s42466-020-00065-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/19/2020] [Indexed: 11/14/2022] Open
Abstract
A brief survey among members of the German Neurorehabilitation Society aimed to document the hospital capacities (“beds”) for prolonged weaning from a mechanical ventilator for patients with neuro-disabilities that require simultaneous multi-professional neurorehabilitation treatment. Sixty-eight institutions declared to have capacities with a broad distribution across Germany and its federal states. Overall, 1094 “beds” for prolonged weaning (and neurorehabilitation) were reported, 871 together with further information regarding their identification and hence regional location. These units had on average 16.1 beds for prolonged weaning (95% confidence interval 12.6 to 19.6) with a range from 2 to 68 beds per organization. The data indicate substantial capacities for the combined prolonged weaning and neurorehabilitation treatment in Germany. For most “beds” included in this analysis a basic validation was possible. While a reasonable coverage of these specialized service capacities by the survey is likely, the number reported could still be biased by underreporting by non-response. Both the broad variation of number of “beds” for prolonged weaning per unit and their unequal geographical distribution across federal states (per capita rate) warrant a more refined follow-up survey that will provide insights into reasons for the observed pattern of variation for these specialized hospital capacities.
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Neurocognitive robot-assisted rehabilitation of hand function: a randomized control trial on motor recovery in subacute stroke. J Neuroeng Rehabil 2020; 17:115. [PMID: 32831097 PMCID: PMC7444058 DOI: 10.1186/s12984-020-00746-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 08/11/2020] [Indexed: 01/10/2023] Open
Abstract
Background Hand function is often impaired after stroke, strongly affecting the ability to perform daily activities. Upper limb robotic devices have been developed to complement rehabilitation therapy offered to persons who suffered a stroke, but they rarely focus on the training of hand sensorimotor function. The primary goal of this study was to evaluate whether robot-assisted therapy of hand function following a neurocognitive approach (i.e., combining motor training with somatosensory and cognitive tasks) produces an equivalent decrease in upper limb motor impairment compared to dose-matched conventional neurocognitive therapy, when embedded in the rehabilitation program of inpatients in the subacute stage after stroke. Methods A parallel-group, randomized controlled trial was conducted on subjects with subacute stroke receiving either conventional or robot-assisted neurocognitive hand therapy using a haptic device. Therapy was provided for 15, 45-min sessions over four weeks, nested within the standard therapy program. Primary outcome was the change from baseline in the upper extremity part of the Fugl-Meyer Assessment (FMA-UE) after the intervention, which was compared between groups using equivalence testing. Secondary outcome measures included upper limb motor, sensory and cognitive assessments, delivered therapy dose, as well as questionnaires on user technology acceptance. Results Thirty-three participants with stroke were enrolled. 14 subjects in the robot-assisted and 13 subjects in the conventional therapy group completed the study. At the end of intervention, week 8 and week 32, the robot-assisted/conventional therapy group improved by 7.14/6.85, 7.79/7.31, and 8.64/8.08 points on the FMA-UE, respectively, establishing that motor recovery in the robot-assisted group is non-inferior to that in the control group. Conclusions Neurocognitive robot-assisted therapy of hand function allows for a non-inferior motor recovery compared to conventional dose-matched neurocognitive therapy when performed during inpatient rehabilitation in the subacute stage. This allows the early familiarization of subjects with stroke to the use of such technologies, as a first step towards minimal therapist supervision in the clinic, or directly at home after hospital discharge, to help increase the dose of hand therapy for persons with stroke. Trial registration EUDAMED database (CIV-13-02-009921), clinicaltrials.gov (NCT02096445). Registered 26 March 2014 – Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT02096445
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Ghosal A, Saha S, Das S, Gangopadhyay S, Sengupta M. The ring in the neck-managing paraparesis in cervical intramedullary tuberculoma: Inputs from a neurorehabilitation desk. Indian J Tuberc 2020; 68:298-302. [PMID: 33845971 DOI: 10.1016/j.ijtb.2020.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 08/03/2020] [Indexed: 11/16/2022]
Abstract
Central nervous system (CNS) tuberculosis is a less common entity even in endemic countries like India. Involvement of spine is much less frequent than brain, but concurrent involvement of brain and spine by tuberculoma is rare. A 23-year-old female with paraparesis was diagnosed as having cervical ring enhancing lesion in MRI suggesting intramedullary tuberculoma along with long segment cervicodorsal edema. On brain screening she had multiple intracerebral tuberculomas without any evidence of tuberculosis elsewhere in the body. She was treated with a multidisciplinary approach including neurological management and neurorehabilitation, with remarkable clinical recovery. In presence of acute neurological deficit, early start of rehabilitation along with medical management can give outstanding results in terms of neuro-recovery and improvement of residual neurodeficits. Surgical intervention can be avoided in many cases.
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Fong J, Crocher V, Klaic M, Davies K, Rowse A, Sutton E, Tan Y, Oetomo D, Brock K, Galea MP. Promoting clinical best practice in a user-centred design study of an upper limb rehabilitation robot. Disabil Rehabil Assist Technol 2020; 17:531-538. [PMID: 32608290 DOI: 10.1080/17483107.2020.1785567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Purpose: Despite their promise to increase therapy intensity in neurorehabilitation, robotic devices have not yet seen mainstream adoption. Whilst there are a number of contributing factors, it is obvious that the treating clinician should have a clear understanding of the objectives and limitations of robotic device use. This study sought to explore how devices can be developed to support a clinician in providing clinical best practice.Methods and Materials: A user-centred design study of a robotic device was conducted, involving build-then-use iterations, where successive iterations are built based on feedback from the use cycle. This work reports results of an analysis of qualitative and quantitative data describing the use of the robotic device in the clinical sessions, and from a focus group with the treating clinicians.Results and Conclusions: The data indicated that use of the device did not result in patient goal-setting and may have resulted in poor movement quality. Therapists expected a higher level of autonomy from the robotic device, and this may have contributed to the above problems. These problems can and should be addressed through modification of both the study design and device to provide more explicit instructions to promote clinical best practice.IMPLICATIONS FOR REHABILITATIONEncouraging clinical best practice when using evaluating prototype devices within a clinical setting is important to ensure that best practice is maintained - and can be achieved through both study and device designSupport from device developers can significantly improve the confidence of therapists during the use of that device in rehabilitation, particularly with new or prototype devicesEnd effector-based robotic devices for rehabilitation show potential for a wide variety of patient presentations and capabilities.
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The Promotoer, a brain-computer interface-assisted intervention to promote upper limb functional motor recovery after stroke: a study protocol for a randomized controlled trial to test early and long-term efficacy and to identify determinants of response. BMC Neurol 2020; 20:254. [PMID: 32593293 PMCID: PMC7320550 DOI: 10.1186/s12883-020-01826-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 06/10/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Stroke is a leading cause of long-term disability. Cost-effective post-stroke rehabilitation programs for upper limb are critically needed. Brain-Computer Interfaces (BCIs) which enable the modulation of Electroencephalography (EEG) sensorimotor rhythms are promising tools to promote post-stroke recovery of upper limb motor function. The "Promotoer" study intends to boost the application of the EEG-based BCIs in clinical practice providing evidence for a short/long-term efficacy in enhancing post-stroke hand functional motor recovery and quantifiable indices of the participants response to a BCI-based intervention. To these aims, a longitudinal study will be performed in which subacute stroke participants will undergo a hand motor imagery (MI) training assisted by the Promotoer system, an EEG-based BCI system fully compliant with rehabilitation requirements. METHODS This longitudinal 2-arm randomized controlled superiority trial will include 48 first ever, unilateral, subacute stroke participants, randomly assigned to 2 intervention groups: the BCI-assisted hand MI training and a hand MI training not supported by BCI. Both interventions are delivered (3 weekly session; 6 weeks) as add-on regimen to standard intensive rehabilitation. A multidimensional assessment will be performed at: randomization/pre-intervention, 48 h post-intervention, and at 1, 3 and 6 month/s after end of intervention. Primary outcome measure is the Fugl-Meyer Assessment (FMA, upper extremity) at 48 h post-intervention. Secondary outcome measures include: the upper extremity FMA at follow-up, the Modified Ashworth Scale, the Numeric Rating Scale for pain, the Action Research Arm Test, the National Institute of Health Stroke Scale, the Manual Muscle Test, all collected at the different timepoints as well as neurophysiological and neuroimaging measures. DISCUSSION We expect the BCI-based rewarding of hand MI practice to promote long-lasting retention of the early induced improvement in hand motor outcome and also, this clinical improvement to be sustained by a long-lasting neuroplasticity changes harnessed by the BCI-based intervention. Furthermore, the longitudinal multidimensional assessment will address the selection of those stroke participants who best benefit of a BCI-assisted therapy, consistently advancing the transfer of BCIs to a best clinical practice. TRIAL REGISTRATION Name of registry: BCI-assisted MI Intervention in Subacute Stroke (Promotoer). TRIAL REGISTRATION NUMBER NCT04353297 ; registration date on the ClinicalTrial.gov platform: April, 15/2020.
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Chen WG, Li R, Zhang Y, Hao JH, Du JB, Guo AS, Song WQ. Recovery from prolonged disorders of consciousness: A dual-center prospective cohort study in China. World J Clin Cases 2020; 8:2520-2529. [PMID: 32607329 PMCID: PMC7322439 DOI: 10.12998/wjcc.v8.i12.2520] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 04/24/2020] [Accepted: 05/20/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Recent innovations in intensive care have improved the prognosis of patients with severe brain injuries and brought more patients with disorders of consciousness (DoC). Data are lacking regarding the long-term outcomes of those patients in China. It is necessary to study the long-term outcomes of patients with prolonged DoC in light of many factors likely to influence crucial decisions about their care and their life.
AIM To present the preliminary results of a DoC cohort.
METHODS This was a two-center prospective cohort study of inpatients with vegetative state (VS)/unresponsive wakefulness syndrome (UWS). The study outcomes were the recovery from VS/UWS to minimally conscious state (MCS) and the long-term status of patients with prolonged DoC considered in VS/UWS or MCS for up to 6 years. The patients were evaluated using the Glasgow coma scale, coma recovery scale-revised, and Glasgow outcome scale. The endpoint of follow-up was recovery of full consciousness or death. The changes in the primary clinical outcome improvement in clinical diagnosis were evaluated at 12 mo compared with baseline.
RESULTS The study population included 93 patients (62 VS/UWS and 31 MCS). The post-injury interval range was 28-634 d. Median follow-up was 20 mo (interquartile range, 12-37 mo). At the endpoint, 33 transitioned to an emergence from MCS or full consciousness, eight had a locked-in syndrome, and there were 35 patients remaining in a VS/UWS and 11 in an MCS. Seven (including one locked-in syndrome) patients (7.5%) died within 12 mo of injury. Compared with the unresponsive group (n = 52) at 12 mo, the responsive group (n = 41) had a higher proportion of males (87.8% vs 63.5%, P = 0.008), shorter time from injury (median, 40.0 d vs 65.5 d, P = 0.006), higher frequency of vascular etiology (68.3% vs 38.5%, P = 0.007), higher Glasgow coma scale score at admission (median, 9 vs 6, P < 0.001), higher coma recovery scale-revised score at admission (median, 9 vs 2.5, P < 0.001), at 1 mo (median, 14 vs 5, P < 0.001), and at 3 mo (median, 20 vs 6, P < 0.001), lower frequency of VS/UWS (36.6% vs 90.0%, P < 0.001), and more favorable Glasgow outcome scale outcome (P < 0.001).
CONCLUSION Patients with severe DoC, despite having strong predictors of poor prognosis, might recover consciousness after a prolonged time of rehabilitation. An accurate initial diagnosis of patients with DoC is critical for predicting outcome and a long-term regular follow-up is also important.
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