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Stroke neurorehabilitation

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https://www.readbyqxmd.com/read/29115485/effect-of-willed-movement-training-on-neurorehabilitation-after-focal-cerebral-ischemia-and-on-the-neural-plasticity-associated-signaling-pathway
#1
Zhi-Wen Zhou, Qi-Dong Yang, Qing-Ping Tang, Jie Yang, Rong-Jing Guo, Wen Jiang
Neurorehabilitation training is a therapeutic intervention for the loss of neural function induced by focal cerebral ischemia, however, the effect varies depending on the neurorehabilitation exercises. Willed movement (WM) training is defined as task‑oriented training, which increases enthusiasm of patients to accomplish a specific task. The current study was performed to the evaluate effect of WM training on neurorehabilitation following focal cerebral ischemia, and further investigate the influence on neural plasticity‑associated signaling pathway...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29105605/the-feasibility-of-an-acute-high-intensity-exercise-bout-to-promote-locomotor-learning-after-stroke
#2
Charalambos C Charalambous, Erin E Helm, Kristin A Lau, Susanne M Morton, Darcy S Reisman
BACKGROUND: People post-stroke can learn a novel locomotor task but require more practice to do so. Implementing an approach that can enhance locomotor learning may therefore improve post-stroke locomotor recovery. In healthy adults, an acute high-intensity exercise bout before or after a motor task may improve motor learning and has thus been suggested as a method that could be used to improve motor learning in neurorehabilitation. However, it is unclear whether an acute high-intensity exercise bout, which stroke survivors can feasibly complete in neurorehabilitation session, would generate comparable results...
November 5, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29072042/active-exergames-to-improve-cognitive-functioning-in-neurological-disabilities-a-systematic-review-and-meta-analysis
#3
Gioia Mura, Mauro G Carta, Federica Sancassiani, Sergio Machado, Luca Prosperini
INTRODUCTION: Exergames represent a way to perform physical activity through active video games, serving as potentially useful tool in the field of neurorehabilitation. However, little is known regarding the possible role of exergames in improving cognitive functions in persons suffering from neurological disabilities. EVIDENCE ACQUISITION: A search for relevant articles was carried out on PubMed/Medline, Scopus, PEDro, and Google Scholar. Only randomized controlled studies and non-randomized but controlled studies were retained...
October 25, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29055718/online-detection-of-amplitude-modulation-of-motor-related-eeg-desynchronization-using-a-lock-in-amplifier-comparison-with-a-fast-fourier-transform-a-continuous-wavelet-transform-and-an-autoregressive-algorithm
#4
Kenji Kato, Kensho Takahashi, Nobuaki Mizuguchi, Junichi Ushiba
BACKGROUND: Neurofeedback of event-related desynchronization (ERD) in electroencephalograms (EEG) of the sensorimotor cortex (SM1) using a brain-computer interface (BCI) paradigm is a powerful tool to promote motor recovery from post-stroke hemiplegia. However, the feedback delay attenuates the degree of motor learning and neural plasticity. NEW METHOD: The present study aimed to shorten the delay time to estimate amplitude modulation of the motor-imagery-related alpha and beta SM1-ERD using a lock-in amplifier (LIA) algorithm...
October 20, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29018503/parameters-influencing-tracheostomy-decannulation-in-patients-undergoing-rehabilitation-after-severe-acquired-brain-injury-sabi
#5
Cecilia Perin, Roberto Meroni, Vincenzo Rega, Giacomo Braghetto, Cesare Giuseppe Cerri
Introduction  Tracheostomy weaning in patients who suffered a severe acquired brain injury is often a challenge and decannulation failures are not uncommon. Objective  Our study objective is to describe the decannulation failure rate in patients undergoing rehabilitation following a severe acquired brain injury (sABI); to describe the factors associated with a successful tube weaning. Methods  We conduct a retrospective analysis of charts, consecutively retrieved considering a 3-year window. Variables analyzed were: age, sex, body mass index (BMI), Glasgow Coma Scale (GCS), cause of hospitalization (stroke, trauma, cardiac arrest), date of the pathological event, gap between the index event and the first day of hospitalization, duration of Neurorehabilitation Ward hospitalization, comorbidities, chest morphological alteration, kind of tracheostomy tube used (overall dimension, cap, fenestration), SpO2, presentation and quantification of pulmonary secretion, maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP), respiratory frequency and pattern, cardiac frequency, presence of spontaneous cough, cough strength, and blood gas analysis...
October 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28966585/combination-treatment-of-low-frequency-repetitive-transcranial-magnetic-stimulation-and-intensive-occupational-therapy-for-ataxic-hemiparesis-due-to-thalamic-hemorrhage
#6
Naoki Urushidani, Takatsugu Okamoto, Shoji Kinoshita, Shingo Yamane, Hiroaki Tamashiro, Wataru Kakuda, Masahiro Abo
BACKGROUND: Both low-frequency repetitive transcranial magnetic stimulation (LF-rTMS) and intensive occupational therapy (OT) are clinically beneficial for post-stroke patients with upper-limb hemiparesis. However, the usefulness of LF-rTMS and intensive OT for ataxic hemiparesis (AH) is unknown. METHODS: The study subjects included 7 patients with AH. All patients had ataxia and mild hemiparesis without a sensory disturbance that was due to thalamic hemorrhage...
May 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28963057/timing-independent-spatial-motor-sequence-learning-is-preserved-in-left-hemisphere-stroke
#7
Anna Dovern, Eva Niessen, Jana M Ant, Jochen Saliger, Hans Karbe, Gereon R Fink, Iring Koch, Peter H Weiss
During neurorehabilitation, the re-learning of motor sequences is crucial for patients with motor deficits, enabling them to master again complex movements. A recent study showed that patients with left hemisphere (LH) stroke exhibited preserved motor sequence learning (as assessed by the serial reaction time (SRT) task) when the timing of the stimuli was comparable in the training and later test phase. However, patients showed significantly smaller learning scores as compared to healthy controls when the temporal delay between the patient's motor response and the following stimulus was randomized in the test phase...
September 28, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28958737/changes-in-spectroscopic-biomarkers-after-transcranial-direct-current-stimulation-in-children-with-perinatal-stroke
#8
Helen L Carlson, Patrick Ciechanski, Ashley D Harris, Frank P MacMaster, Adam Kirton
BACKGROUND: Perinatal stroke causes lifelong motor disability, affecting independence and quality of life. Non-invasive neuromodulation interventions such as transcranial direct current stimulation (tDCS) combined with intensive therapy may improve motor function in adult stroke hemiparesis but is under-explored in children. Measuring cortical metabolites with proton magnetic resonance spectroscopy (MRS) can inform cortical neurobiology in perinatal stroke but how these change with neuromodulation is yet to be explored...
September 13, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28958616/effect-of-subtypes-of-neglect-on-functional-outcome-in-stroke-patients
#9
Simona Spaccavento, Fara Cellamare, Rosanna Falcone, Anna Loverre, Roberto Nardulli
OBJECTIVE: Because of the loss of autonomy in daily-life activities, spatial neglect after stroke is one of the main causes of disability. According to the spatial domains, neglect can be divided into personal (body), peripersonal (reaching) and extrapersonal (far) space. We evaluated the effect of these subtypes of neglect on functional outcome of rehabilitation in stroke patients. METHODS: A total of 1350 stroke patients were consecutively admitted into our neurorehabilitation unit from 2002 to 2016...
November 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28946588/changing-the-culture-of-neurodisability-through-language-and-sensitivity-of-providers-creating-a-safe-place-for-lgbtqia-people
#10
Alexander Moreno, Ari Laoch, Nathan D Zasler
BACKGROUND: There is an increasing interest in sexual and gender diversity in neurorehabilitation. Healthcare professionals wanting to improve their practice know the importance of understanding the needs and expectations of specific communities. OBJECTIVE: To critically review the literature about neurological disorders in people who identify as lesbian, gay, bisexual, transgender, queer, intersex, asexual, and people with other sexual orientations and forms of gender expression (LGBTQIA+)...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28934918/standardized-measurement-of-sensorimotor-recovery-in-stroke-trials-consensus-based-core-recommendations-from-the-stroke-recovery-and-rehabilitation-roundtable
#11
Gert Kwakkel, Natasha A Lannin, Karen Borschmann, Coralie English, Myzoon Ali, Leonid Churilov, Gustavo Saposnik, Carolee Winstein, Erwin E H van Wegen, Steven L Wolf, John W Krakauer, Julie Bernhardt
Finding, testing and demonstrating efficacy of new treatments for stroke recovery is a multifaceted challenge. We believe that to advance the field, neurorehabilitation trials need a conceptually rigorous starting framework. An essential first step is to agree on definitions of sensorimotor recovery and on measures consistent with these definitions. Such standardization would allow pooling of participant data across studies and institutions aiding meta-analyses of completed trials, more detailed exploration of recovery profiles of our patients and the generation of new hypotheses...
September 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28926593/target-directed-motor-imagery-of-the-lower-limb-enhances-event-related-desynchronization
#12
Kosuke Kitahara, Yoshikatsu Hayashi, Shiro Yano, Toshiyuki Kondo
Event-related desynchronization/synchronization (ERD/S) is an electroencephalogram (EEG) feature widely used as control signals for Brain-Computer Interfaces (BCIs). Nevertheless, the underlying neural mechanisms and functions of ERD/S are largely unknown, thus investigating them is crucial to improve the reliability of ERD/S-based BCIs. This study aimed to identify Motor Imagery (MI) conditions that enhance ERD/S. We investigated following three questions: 1) whether target-directed MI affects ERD/S, 2) whether MI with sound imagery affects ERD/S, and 3) whether ERD/S has a body part dependency of MI...
2017: PloS One
https://www.readbyqxmd.com/read/28856960/task-oriented-training-and-evaluation-at-home
#13
Veronica T Rowe, Marsha Neville
Principles of experience-dependent plasticity, motor learning theory, and the theory of Occupational Adaptation coalesce into a translational model for practice in neurorehabilitation. The objective of this study was to explore the effectiveness of a Task Oriented Training and Evaluation at Home (TOTE Home) program completed by people with subacute stroke, and whether effects persisted 1 month after this training. A single-subject design included a maximum of 30, 1hour sessions of training conducted in participants' homes...
August 1, 2017: OTJR: Occupation, Participation and Health
https://www.readbyqxmd.com/read/28841920/ipsilateral-eeg-mu-rhythm-reflects-the-excitability-of-uncrossed-pathways-projecting-to-shoulder-muscles
#14
Keita Hasegawa, Shoko Kasuga, Kenichi Takasaki, Katsuhiro Mizuno, Meigen Liu, Junichi Ushiba
BACKGROUND: Motor planning, imagery or execution is associated with event-related desynchronization (ERD) of mu rhythm oscillations (8-13 Hz) recordable over sensorimotor areas using electroencephalography (EEG). It was shown that motor imagery involving distal muscles, e.g. finger movements, results in contralateral ERD correlating with increased excitability of the contralateral corticospinal tract (c-CST). Following the rationale that purposefully increasing c-CST excitability might facilitate motor recovery after stroke, ERD recently became an attractive target for brain-computer interface (BCI)-based neurorehabilitation training...
August 25, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28830433/transcranial-direct-current-stimulation-as-a-motor-neurorehabilitation-tool-an-empirical-review
#15
Ana Sánchez-Kuhn, Cristian Pérez-Fernández, Rosa Cánovas, Pilar Flores, Fernando Sánchez-Santed
The present review collects the most relevant empirical evidence available in the literature until date regarding the effects of transcranial direct current stimulation (tDCS) on the human motor function. tDCS in a non-invasive neurostimulation technique that delivers a weak current through the brain scalp altering the cortical excitability on the target brain area. The electrical current modulates the resting membrane potential of a variety of neuronal population (as pyramidal and gabaergic neurons); raising or dropping the firing rate up or down, depending on the nature of the electrode and the applied intensity...
August 18, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28813935/influence-of-artifacts-on-movement-intention-decoding-from-eeg-activity-in-severely-paralyzed-stroke-patients
#16
Eduardo Lopez-Larraz, Carlos Bibian, Niels Birbaumer, Ander Ramos-Murguialday
Brain-machine interfaces (BMI) can be used to control robotic and prosthetic devices for rehabilitation of motor disorders, such as stroke. The calibration of these BMI systems is of paramount importance in order to establish a precise contingent link between the brain activity related to movement intention and the peripheral feedback. However, electroencephalographic (EEG) activity, commonly used to build non-invasive BMIs, can be easily contaminated by artifacts of electrical or physiological origin. The way these interferences can affect the performance of movement intention decoders has not been deeply studied, especially when dealing with severely paralyzed patients, which often generate more artifacts by compensatory movements...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813931/making-neurorehabilitation-fun-multiplayer-training-via-damping-forces-balancing-differences-in-skill-levels
#17
Kilian Baur, Peter Wolf, Robert Riener, Jaime E Duarte
Multiplayer environments are thought to increase the training intensity in robot-aided rehabilitation therapy after stroke. We developed a haptic-based environment to investigate the dynamics of two-player training performing time-constrained reaching movements using the ARMin rehabilitation robot. We implemented a challenge level adaptation algorithm that controlled a virtual damping coefficient to reach a desired success rate. We tested the algorithm's effectiveness in regulating the success rate during game play in a simulation with computer-controlled players, in a feasibility study with six unimpaired players, and in a single session with one stroke patient...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813890/online-adaptive-assistance-control-in-robot-based-neurorehabilitation-therapy
#18
Fabio Stroppa, Simone Marcheschi, Nicola Mastronicola, Claudio Loconsole, Antonio Frisoli
Repetitive and task specific robot-based rehabilitation has been proved to be effective for motor recovery over time. During a therapy, the task should improve subject's impaired movements, but also enhance their efforts for a more effective recovery. This requires an accurate tuning of the task difficulty, which should be tailored directly to the patient. In this work, we propose a system for real-time assistance adaptation based on online performance evaluation for post-stroke subjects. In particular, the aim of the system is to implement the "assist-as-needed" paradigm based on actual patients' motor skills during a therapy session with an active upper-limb robotic exoskeleton...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813815/how-do-strength-and-coordination-recovery-interact-after-stroke-a-computational-model-for-informing-robotic-training
#19
Sumner L Norman, Joan Lobo-Prat, David J Reinkensmeyer
Robotic devices can train strength, coordination, or a combination of both. If a robotic device focuses on coordination, what happens to strength recovery, and vice versa? Understanding this interaction could help optimize robotic training. We developed a computational neurorehabilitation model to gain insight into the interaction between strength and coordination recovery after stroke. In the model, the motor system recovers by optimizing the activity of residual corticospinal cells (focally connected, excitatory and inhibitory) and reticulospinal cells (diffusely connected and excitatory) to achieve a motor task...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813811/a-multichannel-near-infrared-spectroscopy-triggered-robotic-hand-rehabilitation-system-for-stroke-patients
#20
Jongseung Lee, Nobutaka Mukae, Jumpei Arata, Hiroyuki Iwata, Keiji Iramina, Koji Iihara, Makoto Hashizume
There is a demand for a new neurorehabilitation modality with a brain-computer interface for stroke patients with insufficient or no remaining hand motor function. We previously developed a robotic hand rehabilitation system triggered by multichannel near-infrared spectroscopy (NIRS) to address this demand. In a preliminary prototype system, a robotic hand orthosis, providing one degree-of-freedom motion for a hand's closing and opening, is triggered by a wireless command from a NIRS system, capturing a subject's motor cortex activation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
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