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Stroke neurorehabilitation

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https://www.readbyqxmd.com/read/28345282/neuroplasticity-of-language-in-left-hemisphere-stroke-evidence-linking-subsecond-electrophysiology-and-structural-connections
#1
Vitória Piai, Lars Meyer, Nina F Dronkers, Robert T Knight
The understanding of neuroplasticity following stroke is predominantly based on neuroimaging measures that cannot address the subsecond neurodynamics of impaired language processing. We combined behavioral and electrophysiological measures and structural-connectivity estimates to characterize neuroplasticity underlying successful compensation of language abilities after left-hemispheric stroke. We recorded the electroencephalogram from patients with stroke lesions to the left temporal lobe and from matched controls during context-driven word retrieval...
March 27, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28302915/sex-differences-in-ischaemic-stroke-potential-cellular-mechanisms
#2
REVIEW
Anjali Chauhan, Hope Moser, Louise D McCullough
Stroke remains a leading cause of mortality and disability worldwide. More women than men have strokes each year, in part because women live longer. Women have poorer functional outcomes, are more likely to need nursing home care and have higher rates of recurrent stroke compared with men. Despite continued advancements in primary prevention, innovative acute therapies and ongoing developments in neurorehabilitation, stroke incidence and mortality continue to increase due to the aging of the U.S. POPULATION: Sex chromosomes (XX compared with XY), sex hormones (oestrogen and androgen), epigenetic regulation and environmental factors all contribute to sex differences...
April 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28293701/diffusion-tensor-imaging-as-a-prognostic-biomarker-for-motor-recovery-and-rehabilitation-after-stroke
#3
REVIEW
Josep Puig, Gerard Blasco, Gottfried Schlaug, Cathy M Stinear, Pepus Daunis-I-Estadella, Carles Biarnes, Jaume Figueras, Joaquín Serena, Maria Hernández-Pérez, Angel Alberich-Bayarri, Mar Castellanos, David S Liebeskind, Andrew M Demchuk, Bijoy K Menon, Götz Thomalla, Kambiz Nael, Max Wintermark, Salvador Pedraza
PURPOSE: Despite improved acute treatment and new tools to facilitate recovery, most patients have motor deficits after stroke, often causing disability. However, motor impairment varies considerably among patients, and recovery in the acute/subacute phase is difficult to predict using clinical measures alone, particularly in severely impaired patients. Accurate early prediction of recovery would help rationalize rehabilitation goals and improve the design of trials testing strategies to facilitate recovery...
March 14, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28286474/parameters-and-measures-in-assessment-of-motor-learning-in-neurorehabilitation-a-systematic-review-of-the-literature
#4
REVIEW
Nataliya Shishov, Itshak Melzer, Simona Bar-Haim
Upper limb function, essential for daily life, is often impaired in individuals after stroke and cerebral palsy (CP). For an improved upper limb function, learning should occur, and therefore training with motor learning principles is included in many rehabilitation interventions. Despite accurate measurement being an important aspect for examination and optimization of treatment outcomes, there are no standard algorithms for outcome measures selection. Moreover, the ability of the chosen measures to identify learning is not well established...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28280482/using-biophysical-models-to-understand-the-effect-of-tdcs-on-neurorehabilitation-searching-for-optimal-covariates-to-enhance-poststroke-recovery
#5
Paola Malerba, Sofia Straudi, Felipe Fregni, Maxim Bazhenov, Nino Basaglia
Stroke is a leading cause of worldwide disability, and up to 75% of survivors suffer from some degree of arm paresis. Recently, rehabilitation of stroke patients has focused on recovering motor skills by taking advantage of use-dependent neuroplasticity, where high-repetition of goal-oriented movement is at times combined with non-invasive brain stimulation, such as transcranial direct current stimulation (tDCS). Merging the two approaches is thought to provide outlasting clinical gains, by enhancing synaptic plasticity and motor relearning in the motor cortex primary area...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28272726/-measurement-of-the-outcomes-in-acquired-brain-injury-in-a-neurorehabilitation-unit-a-long-term-study
#6
V Cruz-Guisado, P Diaz-Borrego, B Romero-Romero, M Rodriguez-Pinero Duran
INTRODUCTION: Following sudden brain damage, there is a loss of capabilities that affects the person's autonomy. Recovery from the physical, psychic and cognitive sequelae requires the application of multiple therapies, the outcomes of which need to be measured objectively. Our aim is to analyse the application of standardised instruments in determining the therapeutic outcomes in acquired brain injury. PATIENTS AND METHODS: We conducted a retrospective descriptive observational study lasting 13 months...
March 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28270632/-rehabilitation-using-repetitive-transcranial-magnetic-stimulation
#7
Naoyuki Takeuchi, Shin-Ichi Izumi
Various novel stroke rehabilitative methods have been developed based on findings in basic science and clinical research. Recently, many reports have shown that repetitive transcranial magnetic stimulation (rTMS) improves function in stroke patients by altering the excitability of the human cortex. The interhemispheric competition model proposes that deficits in stroke patients are due to reduced output from the affected hemisphere and excessive interhemispheric inhibition from the unaffected hemisphere to the affected hemisphere...
March 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28268752/design-and-optimization-of-partner-a-parallel-actuated-robotic-trainer-for-neurorehabilitation
#8
Hossein Taheri, Stephen A Goodwin, James A Tigue, Joel C Perry, Eric T Wolbrecht
Robotic devices are a promising and dynamic tool in the realm of post-stroke rehabilitation. Researchers are still investigating how the use of robots affects motor learning and what design characteristics best encourage recovery. We present a parallel-actuated, end-effector robot designed to provide spatial assistance for upper-limb therapy while exhibiting low impedance and high backdrivability. A gradient based optimization was performed to find an optimal design that accounted for force isotropy, mechanical advantage, workspace size, and counter-balancing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226940/design-and-optimization-of-partner-a-parallel-actuated-robotic-trainer-for-neurorehabilitation
#9
Hossein Taheri, Stephen A Goodwin, James A Tigue, Joel C Perry, Eric T Wolbrecht, Hossein Taheri, Stephen A Goodwin, James A Tigue, Joel C Perry, Eric T Wolbrecht, James A Tigue, Joel C Perry, Hossein Taheri, Stephen A Goodwin, Eric T Wolbrecht
Robotic devices are a promising and dynamic tool in the realm of post-stroke rehabilitation. Researchers are still investigating how the use of robots affects motor learning and what design characteristics best encourage recovery. We present a parallel-actuated, end-effector robot designed to provide spatial assistance for upper-limb therapy while exhibiting low impedance and high backdrivability. A gradient based optimization was performed to find an optimal design that accounted for force isotropy, mechanical advantage, workspace size, and counter-balancing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222551/the-top-100-cited-neurorehabilitation-papers
#10
Jeffrey S Kreutzer, Amma A Agyemang, David Weedon, Nathan Zasler, Melissa Oliver, Aaron A Sorensen, Saskia van Wijngaarden, Eileen Leahy
BACKGROUND: Neurorehabilitation covers a large range of disorders, treatment approaches and methods. There have been previous citation analyses of rehabilitation and of its subfields. However, there has never been a comprehensive citation analysis in neurorehabilitation. OBJECTIVE: The present study reports findings from a citation analysis of the top 100 most cited neurorehabilitation papers to describe the research trends in the field. METHODS: A de-novo keyword search of papers indexed in the Web of Science Core Collection database yielded 52,581 papers...
January 7, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28194413/patient-centered-robot-aided-passive-neurorehabilitation-exercise-based-on-safety-motion-decision-making-mechanism
#11
Lizheng Pan, Aiguo Song, Suolin Duan, Zhuqing Yu
Safety is one of the crucial issues for robot-aided neurorehabilitation exercise. When it comes to the passive rehabilitation training for stroke patients, the existing control strategies are usually just based on position control to carry out the training, and the patient is out of the controller. However, to some extent, the patient should be taken as a "cooperator" of the training activity, and the movement speed and range of the training movement should be dynamically regulated according to the internal or external state of the subject, just as what the therapist does in clinical therapy...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28191352/hybrid-assistive-neuromuscular-dynamic-stimulation-therapy-a-new-strategy-for-improving-upper-extremity-function-in-patients-with-hemiparesis-following-stroke
#12
REVIEW
Toshiyuki Fujiwara, Michiyuki Kawakami, Kaoru Honaga, Michi Tochikura, Kaoru Abe
Hybrid Assistive Neuromuscular Dynamic Stimulation (HANDS) therapy is one of the neurorehabilitation therapeutic approaches that facilitates the use of the paretic upper extremity (UE) in daily life by combining closed-loop electromyography- (EMG-) controlled neuromuscular electrical stimulation (NMES) with a wrist-hand splint. This closed-loop EMG-controlled NMES can change its stimulation intensity in direct proportion to the changes in voluntary generated EMG amplitudes recorded with surface electrodes placed on the target muscle...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28190440/neurologic-complications-in-critically-ill-pregnant-patients
#13
W L Wright
Neurologic complications in a critically ill pregnant woman are uncommon but some of the complications (such as eclampsia) are unique to pregnancy and the puerperal period. Other neurologic complications (such as seizures in the setting of epilepsy) may worsen during pregnancy. Clinical signs and symptoms such as seizure, headache, weakness, focal neurologic deficits, and decreased level of consciousness require careful consideration of potential causes to ensure prompt treatment measures are instituted to prevent ongoing neurologic injury...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28091936/task-specific-motor-rehabilitation-therapy-after-stroke-improves-performance-in-a-different-motor-task-translational-evidence
#14
M El Amki, P Baumgartner, O Bracko, A R Luft, S Wegener
While the stroke survivor with a motor deficit strives for recovery of all aspects of daily life movements, neurorehabilitation training is often task specific and does not generalize to movements other than the ones trained. In rodent models of post-stroke recovery, this problem is poorly investigated as the training task is often the same as the one that measures motor function. The present study investigated whether motor training by pellet reaching translates into enhancement of different motor functions in rats after stroke...
January 14, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28050939/book-review-stroke-interventions-to-support-occupational-performance-neurorehabilitation-in-occupational-therapy-series-wolf-timothy-j-ed-2014-stroke-interventions-to-support-occupational-performance-neurorehabilitation-in-occupational-therapy-series-vol-2
#15
https://www.readbyqxmd.com/read/28009677/effectiveness-of-temporary-deafferentation-of-the-arm-on-somatosensory-and-motor-functions-following-stroke-a-systematic-review
#16
Emmanuelle Opsommer, Camille Zwissig, Natalya Korogod, Thomas Weiss
BACKGROUND: After stroke, regaining functional use of the upper limb can be challenging. Temporary deafferentation (TD) is a novel approach used in neurorehabilitation to voluntarily reduce the somatosensory input in a body part by temporary anesthesia; which has been shown to improve sensorimotor functions in the affected limb. OBJECTIVES: The primary objective of this systematic review was to present the best available evidence related to the effects of TD of the affected arm on the recovery of motor function and activity of the upper limb (arm and hand) following stroke...
December 2016: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28004991/bilateral-versus-ipsilesional-cortico-subcortical-activity-patterns-in-stroke-show-hemispheric-dependence
#17
A Cristina Vidal, Paula Banca, Augusto G Pascoal, Gustavo C Santo, João Sargento-Freitas, Ana Gouveia, Miguel Castelo-Branco
Background Understanding of interhemispheric interactions in stroke patients during motor control is an important clinical neuroscience quest that may provide important clues for neurorehabilitation. In stroke patients, bilateral overactivation in both hemispheres has been interpreted as a poor prognostic indicator of functional recovery. In contrast, ipsilesional patterns have been linked with better motor outcomes. Aim We investigated the pathophysiology of hemispheric interactions during limb movement without and with contralateral restraint, to mimic the effects of constraint-induced movement therapy...
January 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/27993584/functional-independence-a-comparison-of-the-changes-during-neurorehabilitation-between-patients-with-nontraumatic-subarachnoid-hemorrhage-and-patients-with-intracerebral-hemorrhage-or-acute-ischemic-stroke
#18
Henriette Holm Stabel, Asger Roer Pedersen, Søren Paaske Johnsen, Jørgen Feldbæk Nielsen
OBJECTIVE: To compare the changes in functional independence measured by the FIM after specialized neurorehabilitation between patients with nontraumatic subarachnoid hemorrhage (SAH) and patients with intracerebral hemorrhage (ICH) or acute ischemic stroke (AIS). DESIGN: Historical cohort study comparing changes in functional independence between patients with nontraumatic SAH and those with ICH/AIS, using FIM scores from a local database and clinical information from the Danish National Patient Registry...
December 16, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27988346/experiencing-a-reaching-task-passively-with-one-arm-while-adapting-to-a-visuomotor-rotation-with-the-other-can-lead-to-substantial-transfer-of-motor-learning-across-the-arms
#19
Shancheng Bao, Yuming Lei, Jinsung Wang
The extent of transfer following visuomotor adaptation across the arms is typically limited as compared to that within the same arm. However, we have demonstrated that interlimb transfer can occur nearly completely if one arm performs reaching movements associated with a desired trajectory repeatedly and actively during an initial training session in which the other arm adapts to a novel visuomotor adaptation. Based on that finding, we argued that the absence of instances associated with specific motor effectors is the major reason for limited interlimb transfer...
December 14, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27926448/increasing-self-directed-training-in-neurorehabilitation-patients-through-competition
#20
B Studer, H Van Dijk, R Handermann, S Knecht
This proof-of-concept study aimed to test whether competition could be a useful tool to increase intensity and amount of self-directed training in neurorehabilitation. Stroke patients undergoing inpatient neurorehabilitation (n=93) conducted self-directed endurance training on a (wheelchair-compatible) bicycle trainer under three experimental conditions: a "Competition" condition and two noncompetition control conditions (repeated randomized within-subject design). Training performance and perceived exertion were recorded and statistically analyzed...
2016: Progress in Brain Research
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