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Stroke neurorehabilitation

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https://www.readbyqxmd.com/read/28412953/quantification-of-task-dependent-cortical-activation-evoked-by-robotic-continuous-wrist-joint-manipulation-in-chronic-hemiparetic-stroke
#1
Martijn P Vlaar, Teodoro Solis-Escalante, Julius P A Dewald, Erwin E H van Wegen, Alfred C Schouten, Gert Kwakkel, Frans C T van der Helm
BACKGROUND: Cortical damage after stroke can drastically impair sensory and motor function of the upper limb, affecting the execution of activities of daily living and quality of life. Motor impairment after stroke has been thoroughly studied, however sensory impairment and its relation to movement control has received less attention. Integrity of the somatosensory system is essential for feedback control of human movement, and compromised integrity due to stroke has been linked to sensory impairment...
April 17, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28374692/-the-features-of-botulinum-therapy-for-different-patterns-of-poststroke-spasticity
#2
L V Krylova, D R Khasanova
AIM: To assess the efficacy of botulinum toxin therapy for different patterns of poststroke spasticity. MATERIAL AND METHODS: Thirty-nine patients with poststroke spasticity were examined. Rehabilitation included 4 treatment courses of inpatient rehabilitation during 9 month usinga multidisciplinary team approach. Botulinum toxin therapy was included in the program. The individual program was developed taking into account the dynamics of a pathological spastic pattern...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28367834/electroencephalographic-identifiers-of-motor-adaptation-learning
#3
Ozan Ozdenizci, Mustafa Yalcin, Ahmetcan Erdogan, Volkan Patoglu, Moritz Grosse-Wentrup, Mujdat Cetin
OBJECTIVE: Recent brain-computer interface (BCI) assisted stroke rehabilitation protocols tend to focus on sensorimotor activity of the brain. Relying on evidence claiming that a variety of brain rhythms beyond sensorimotor areas are related to the extent of motor deficits, we propose to identify neural correlates of motor learning beyond sensorimotor areas spatially and spectrally for further use in novel BCI-assisted neurorehabilitation settings. APPROACH: Electroencephalographic (EEG) data were recorded from healthy subjects participating in a physical force-field adaptation task involving reaching movements through a robotic handle...
April 3, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28360842/neuroplastic-changes-following-brain-ischemia-and-their-contribution-to-stroke-recovery-novel-approaches-in-neurorehabilitation
#4
REVIEW
Claudia Alia, Cristina Spalletti, Stefano Lai, Alessandro Panarese, Giuseppe Lamola, Federica Bertolucci, Fabio Vallone, Angelo Di Garbo, Carmelo Chisari, Silvestro Micera, Matteo Caleo
Ischemic damage to the brain triggers substantial reorganization of spared areas and pathways, which is associated with limited, spontaneous restoration of function. A better understanding of this plastic remodeling is crucial to develop more effective strategies for stroke rehabilitation. In this review article, we discuss advances in the comprehension of post-stroke network reorganization in patients and animal models. We first focus on rodent studies that have shed light on the mechanisms underlying neuronal remodeling in the perilesional area and contralesional hemisphere after motor cortex infarcts...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28356180/nocturnal-desaturation-is-associated-with-atrial-fibrillation-in-patients-with-ischemic-stroke-and-obstructive-sleep-apnea
#5
Chung-Yao Chen, Chien-Hui Ho, Chia-Ling Chen, Chung-Chieh Yu
STUDY OBJECTIVES: Both atrial fibrillation (AF) and obstructive sleep apnea (OSA) are risk factors for ischemic stroke. Previous studies suggested that OSA is associated with AF in individuals who have not had a stroke. For better secondary prevention of stroke, this study determined the association between OSA and AF among patients with ischemic stroke. METHODS: This cross-sectional study recruited consecutive patients with subacute ischemic stroke admitted for neurorehabilitation...
March 14, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28351495/ethical-considerations-in-providing-an-upper-limb-exoskeleton-device-for-stroke-patients
#6
Adriana E Bulboacă, Sorana D Bolboacă, Angelo C Bulboacă
The health care system needs to face new and advanced medical technologies that can improve the patients' quality of life by replacing lost or decreased functions. In stroke patients, the disabilities that follow cerebral lesions may impair the mandatory daily activities of an independent life. These activities are dependent mostly on the patient's upper limb function so that they can carry out most of the common activities associated with a normal life. Therefore, an upper limb exoskeleton device for stroke patients can contribute a real improvement of quality of their life...
April 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28351388/buyang-huanwu-decoction-facilitates-neurorehabilitation-through-an-improvement-of-synaptic-plasticity-in-cerebral-ischemic-rats
#7
Ruihuan Pan, Jun Cai, Lechang Zhan, Youhua Guo, Run-Yue Huang, Xiong Li, Mingchao Zhou, Dandan Xu, Jie Zhan, Hongxia Chen
BACKGROUND: Loss of neural function is a critical but unsolved issue after cerebral ischemia insult. Neuronal plasticity and remodeling are crucial for recovery of neural functions after brain injury. Buyang Huanwu decoction, which is a classic formula in traditional Chinese medicine, can positively alter synaptic plasticity. This study assessed the effects of Buyang Huanwu decoction in combination with physical exercise on neuronal plasticity in cerebral ischemic rats. METHODS: Cerebral ischemic rats were administered Buyang Huanwu decoction and participated in physical exercise after the induction of a permanent middle cerebral artery occlusion...
March 28, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28345282/neuroplasticity-of-language-in-left-hemisphere-stroke-evidence-linking-subsecond-electrophysiology-and-structural-connections
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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, assessment approaches and treatment 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...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28194413/patient-centered-robot-aided-passive-neurorehabilitation-exercise-based-on-safety-motion-decision-making-mechanism
#18
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
#19
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
#20
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
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