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Stroke rehabilitation

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https://www.readbyqxmd.com/read/28345373/infarct-topography-and-functional-outcomes
#1
Mark R Etherton, Natalia S Rost, Ona Wu
Acute ischemic stroke represents a major cause of long-term adult disability. Accurate prognostication of post-stroke functional outcomes is invaluable in guiding patient care, targeting early rehabilitation efforts, selecting patients for clinical research, and conveying realistic expectations to families. The involvement of specific brain regions by acute ischemia can alter post-stroke recovery potential. Understanding the influences of infarct topography on neurologic outcomes holds significant promise in prognosis of functional recovery...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28339828/single-session-of-functional-electrical-stimulation-assisted-walking-produces-corticomotor-symmetry-changes-related-to-changes-in-poststroke-walking-mechanics
#2
Jacqueline A Palmer, HaoYuan Hsiao, Tamara Wright, Stuart A Binder-Macleod
Background: Recent research demonstrated that symmetry of corticomotor drive to paretic and nonparetic plantarflexor muscles are related to the biomechanical ankle moment strategy that individuals with chronic stroke used to achieve their greatest walking speeds. Rehabilitation strategies that promote corticomotor balance could potentially improve post-stroke walking mechanics and enhance functional ambulation. Objective: To 1) test the effectiveness of a single session of gait training using functional electrical stimulation (FES) to improve plantarflexor corticomotor symmetry and plantarflexion ankle moment symmetry and 2) determine if changes in corticomotor symmetry relate to changes in ankle moment symmetry within the session...
February 23, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28337932/stroke-lesions-in-a-large-upper-limb-rehabilitation-trial-cohort-rarely-match-lesions-in-common-preclinical-models
#3
Matthew A Edwardson, Ximing Wang, Brent Liu, Li Ding, Christianne J Lane, Caron Park, Monica A Nelsen, Theresa A Jones, Steven L Wolf, Carolee J Winstein, Alexander W Dromerick
BACKGROUND: Stroke patients with mild-moderate upper extremity motor impairments and minimal sensory and cognitive deficits provide a useful model to study recovery and improve rehabilitation. Laboratory-based investigators use lesioning techniques for similar goals. OBJECTIVE: To determine whether stroke lesions in an upper extremity rehabilitation trial cohort match lesions from the preclinical stroke recovery models used to drive translational research. METHODS: Clinical neuroimages from 297 participants enrolled in the Interdisciplinary Comprehensive Arm Rehabilitation Evaluation (ICARE) study were reviewed...
January 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28337129/novel-neuromodulation-techniques-to-assess-interhemispheric-communication-in-neural-injury-and-neurodegenerative-diseases
#4
REVIEW
Samuel S Shin, Galit Pelled
Interhemispheric interaction has a major role in various neurobehavioral functions. Its disruption is a major contributor to the pathological changes in the setting of brain injury such as traumatic brain injury, peripheral nerve injury, and stroke, as well as neurodegenerative diseases. Because interhemispheric interaction has a crucial role in functional consequence in these neuropathological states, a review of noninvasive and state-of-the-art molecular based neuromodulation methods that focus on or have the potential to elucidate interhemispheric interaction have been performed...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28335701/the-effect-of-a-whole-body-vibration-therapy-on-the-sitting-balance-of-subacute-stroke-patients-a-randomized-controlled-trial
#5
Jong Hwa Lee, Sang Beom Kim, Kyeong Woo Lee, Sook Joung Lee, Hyuntae Park, Dong Won Kim
BACKGROUND: The use of a whole-body vibration (WBV) therapy has recently been applied and investigated as a rehabilitation method for subacute stroke patients. OBJECTIVE: To evaluate the effects of a WBV therapy on recovery of balance in subacute stroke patients who were unable to gain sitting balance. METHODS: The conventional rehabilitation group (CG) received conventional physical therapy, including sitting balance training by a physical therapist, for 30 min a one session, for twice a day for five days a week for two weeks...
March 23, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28335630/the-design-prototyping-and-formative-evaluation-of-an-assistive-robotic-table-art-for-stroke-patients
#6
Anthony L Threatt, Jessica Merino, Johnell O Brooks, Stan Healy, Constance Truesdail, Joseph Manganelli, Ian Walker, Keith Evan Green
OBJECTIVE: This article presents the results of an exploratory study in which 14 healthcare subject matter experts (H-SMEs) in addition to four research and design subject matter experts (RD-SMEs) at a regional rehabilitation hospital engaged in a series of complementary, participatory activities in order to design an assistive robotic table (ART). BACKGROUND: As designers, human factor experts, and healthcare professionals continue to work to integrate assistive human-robot technologies in healthcare, it is imperative to understand how the technology affects patient care from clinicians' perspectives...
April 2017: HERD
https://www.readbyqxmd.com/read/28334882/decreased-integration-and-information-capacity-in-stroke-measured-by-whole-brain-models-of-resting-state-activity
#7
Mohit H Adhikari, Carl D Hacker, Josh S Siegel, Alessandra Griffa, Patric Hagmann, Gustavo Deco, Maurizio Corbetta
While several studies have shown that focal lesions affect the communication between structurally normal regions of the brain, and that these changes may correlate with behavioural deficits, their impact on brain's information processing capacity is currently unknown. Here we test the hypothesis that focal lesions decrease the brain's information processing capacity, of which changes in functional connectivity may be a measurable correlate. To measure processing capacity, we turned to whole brain computational modelling to estimate the integration and segregation of information in brain networks...
February 20, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28329000/trajectory-formation-principles-are-the-same-after-mild-or-moderate-stroke
#8
Denis Mottet, Liesjet Elisabeth Henriette van Dokkum, Jérôme Froger, Abdelkader Gouaïch, Isabelle Laffont
When we make rapid reaching movements, we have to trade speed for accuracy. To do so, the trajectory of our hand is the result of an optimal balance between feed-forward and feed-back control in the face of signal-dependant noise in the sensorimotor system. How far do these principles of trajectory formation still apply after a stroke, for persons with mild to moderate sensorimotor deficits who recovered some reaching ability? Here, we examine the accuracy of fast hand reaching movements with a focus on the information capacity of the sensorimotor system and its relation to trajectory formation in young adults, in persons who had a stroke and in age-matched control participants...
2017: PloS One
https://www.readbyqxmd.com/read/28327054/effects-of-low-frequency-repetitive-transcranial-magnetic-stimulation-and-neuromuscular-electrical-stimulation-on-upper-extremity-motor-recovery-in-the-early-period-after-stroke-a-preliminary-study
#9
Aliye Tosun, Sabiha Türe, Ayhan Askin, Engin Ugur Yardimci, Secil Umit Demirdal, Tülay Kurt Incesu, Ozgur Tosun, Hikmet Kocyigit, Galip Akhan, Fazıl Mustafa Gelal
OBJECTIVE: To assess the efficacy of inhibitory repetitive transcranial magnetic stimulation (rTMS) and neuromuscular electrical stimulation (NMES) on upper extremity motor function in patients with acute/subacute ischemic stroke. METHODS: Twenty-five ischemic acute/subacute stroke subjects were enrolled in this randomized controlled trial. Experimental group 1 received low frequency (LF) rTMS to the primary motor cortex of the unaffected side + physical therapy (PT) including activities to improve strength, flexibility, transfers, posture, balance, coordination, and activities of daily living, mainly focusing on upper limb movements; experimental group 2 received the same protocol combined with NMES to hand extensor muscles; and the control group received only PT...
March 22, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28325382/-motor-rehabilitation-of-a-child-after-a-stroke
#10
Cordelia Jouishomme, Pascaline Kehlhoffner, Clara Ros Julia
The rehabilitation of a child after a stroke is different from that of an adult. The child is in the process of growth, brain maturation and psychomotor development. A multidisciplinary rehabilitation team works to ensure the best possible neuromotor recovery. To be effective, the rehabilitation must be adapted to the child, his or her age, the age at which the stroke occurred and also take into account his or her environment.
March 2017: Soins. Pédiatrie, Puériculture
https://www.readbyqxmd.com/read/28325379/-diagnosis-and-emergency-treatment-of-stroke-in-children
#11
Gaëlle Gousse, Stéphane Chabrier, Manoëlle Kossorotoff
The sudden occurrence of a focal neurological deficit, sometimes transitory and fluctuating, must lead to a suspicion of a stroke, including in a child. The preferred examination is magnetic resonance imaging with magnetic resonance angiography in an emergency. The sequelae of stroke are common and severe. Urgent diagnosis and adapted care can help to improve morbidity-mortality. Rehabilitation starts early and must systematically screen for cognitive or language impairment. The management of a stroke in a child must be planned for in multi-disciplinary protocols established before the patient's arrival at hospital...
March 2017: Soins. Pédiatrie, Puériculture
https://www.readbyqxmd.com/read/28325101/-i-had-no-idea-what-a-complicated-business-eating-is%C3%A2-a-qualitative-study-of-the-impact-of-dysphagia-during-stroke-recovery
#12
Jennifer Moloney, Margaret Walshe
AIM: Persons with dysphagia following stroke may experience uncomfortable symptoms such as persistent coughing, choking and poor salivary management. They may also spend long periods of time unable to eat or drink or with restrictions on oral intake. Experiences of dysphagia post-stroke are richly described in unsolicited narratives such as autobiographies on the stroke event, which often include details of the author's journey through their stroke recovery. The aim of this study is to use autobiographical accounts to explore the experiences of those living with dysphagia following stroke...
March 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28325013/mirror-therapy-combined-with-functional-electrical-stimulation-for-rehabilitation-of-stroke-survivors-ankle-dorsiflexion
#13
Ghadir Salhab, Ahmad Rifaii Sarraj, Soha Saleh
This study investigates the effect of combining both mirror therapy with Electrical Stimulation (ES) on improvement of the function of lower extremity compared to conventional therapy. 18 stroke survivors (sub acute stage) were recruited, 9 of them were randomly assigned to receive conventional treatment and another 9 started the mirror therapy combined with ES treatment. Duration of each session in both interventions was 50 minutes, done 4 times per week over two weeks. After 2 weeks, subjects took one week rest before switching they type of treatment; those started with conventional therapy continued with mirror therapy combined with ES, and vice versa...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324999/surface-electromyography-based-muscle-fatigue-analysis-for-stroke-patients-at-different-brunnstrom-stages
#14
Yinjun Tu, Zhe Zhang, Xudong Gu, Qiang Fang
Muscle fatigue analysis has been an important topic in sport and rehabilitation medicine due to its role in muscle performance evaluation and pathology investigation. This paper proposes a surface electromyography (sEMG) based muscle fatigue analysis approach which was specifically designed for stroke rehabilitation applications. 14 stroke patients from 5 different Brunnstrom recovery stage groups were involved in the experiment and features including median frequency and mean power frequency were extracted from the collected sEMG samples for investigation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324974/altered-viscoelastic-properties-of-stroke-affected-muscles-estimated-using-ultrasound-shear-waves-preliminary-data
#15
Ghulam Rasool, Allison B Wang, William Z Rymer, Sabrina S M Lee
As a result of a brain injury such as stroke, the skeletal muscles may undergo numerous structural and functional alterations. These abnormal changes are linked to muscle weakness, joint contracture, and abnormal muscle tone and eventually, result in motor impairment. A subset of these alterations affects passive muscle stiffness, i.e., viscoelastic properties. However, in vivo estimation of changes in viscoelastic properties is a challenging task. Here, we used the shear wave velocity, estimated through ultrasound SuperSonic imaging (SSI), as a surrogate for viscoelastic properties...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324971/a-small-portable-battery-powered-brain-computer-interface-system-for-motor-rehabilitation
#16
Colin M McCrimmon, Ming Wang, Lucas Silva Lopes, Po T Wang, Alireza Karimi-Bidhendi, Charles Y Liu, Payam Heydari, Zoran Nenadic, An H Do
Motor rehabilitation using brain-computer interface (BCI) systems may facilitate functional recovery in individuals after stroke or spinal cord injury. Nevertheless, these systems are typically ill-suited for widespread adoption due to their size, cost, and complexity. In this paper, a small, portable, and extremely cost-efficient (<;$200) BCI system has been developed using a custom electroencephalographic (EEG) amplifier array, and a commercial microcontroller and touchscreen. The system's performance was tested using a movement-related BCI task in 3 able-bodied subjects with minimal previous BCI experience...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324934/hand-rehabilitation-after-stroke-using-a-wearable-high-dof-spring-powered-exoskeleton
#17
Tianyao Chen, Peter S Lum
Stroke patients often have inappropriate finger flexor activation and finger extensor weakness, which makes it difficult to open their affected hand for functional grasp. The goal was to develop a passive, lightweight, wearable device to enable improved hand function during performance of activities of daily living. The device, HandSOME II, assists with opening the patient's hand using 11 elastic actuators that apply extension torques to finger and thumb joints. Device design and initial testing are described...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28323013/electroencephalographic-sensorimotor-rhythms-are-modulated-in-the-acute-phase-following-focal-vibration-in-healthy-subjects
#18
Susanna Lopez, Fabiano Bini, Claudio Del Percio, Franco Marinozzi, Claudia Celletti, Antonio Suppa, Raffaele Ferri, Emanuela Staltari, Filippo Camerota, Claudio Babiloni
Few minutes of focal vibration (FV) on limb muscles can improve motor control in neurological (stroke, Parkinson) patients for unknown underlying neurophysiological mechanisms. Here we hypothesized that in healthy volunteers this FV would increase excitability in the primary sensorimotor cortex (S1-M1) during an isometric contraction of the stimulated muscle. The design included an initial control condition with no FV stimulation (Baseline) as well as three short experimental sessions of FV and a Sham (fake) session in a pseudo-random order...
March 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28322920/stem-cell-transplantation-therapy-for-multifaceted-therapeutic-benefits-after-stroke
#19
REVIEW
Ling Wei, Zheng Z Wei, Michael Qize Jiang, Osama Mohamad, Shan Ping Yu
One of the exciting advances in modern medicine and life science is cell-based neurovascular regeneration of damaged brain tissues and repair of neuronal structures. The progress in stem cell biology and creation of adult induced pluripotent stem (iPS) cells has significantly improved basic and pre-clinical research in disease mechanisms and generated enthusiasm for potential applications in the treatment of central nervous system (CNS) diseases including stroke. Endogenous neural stem cells and cultured stem cells are capable of self-renewal and give rise to virtually all types of cells essential for the makeup of neuronal structures...
March 16, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28322130/motor-recovery-in-post-stroke-patients-with-aphasia-the-role-of-specific-linguistic-abilities
#20
Valeria Ginex, Laura Veronelli, Nicola Vanacore, Eleonora Lacorte, Alessia Monti, Massimo Corbo
BACKGROUND: Aphasia is a serious consequence of stroke but aphasics patients have been routinely excluded from participation in some areas of stroke research. OBJECTIVE: To assess the role of specific linguistic and non-verbal cognitive abilities on the short-term motor recovery of patients with aphasia due to first-ever stroke to the left hemisphere after an intensive rehabilitation treatment. METHODS: 48 post-acute aphasic patients, who underwent physiotherapy and speech language therapy, were enrolled for this retrospective cohort-study...
March 21, 2017: Topics in Stroke Rehabilitation
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