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https://www.readbyqxmd.com/read/29350775/randomized-trial-of-transcranial-dc-stimulation-for-post-stroke-dysphagia
#1
Sonja Suntrup-Krueger, Corinna Ringmaier, Paul Muhle, Andreas Wollbrink, Andre Kemmling, Uta Hanning, Inga Claus, Tobias Warnecke, Inga Teismann, Christo Pantev, Rainer Dziewas
OBJECTIVE: We evaluated whether transcranial direct current stimulation (tDCS) is able to enhance dysphagia rehabilitation following stroke. Besides relating clinical effects with neuroplastic changes in cortical swallowing processing we aimed to identify factors influencing treatment success. METHODS: In this double-blind, randomized study 60 acute dysphagic stroke patients received contralesional anodal (1 mA, 20 min) or sham tDCS on four consecutive days. Swallowing function was thoroughly assessed before and after the intervention using the validated Fiberoptic Endoscopic Dysphagia Severity Scale (FEDSS) and clinical assessment...
January 19, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29348677/the-proliferation-capacity-of-cultured-neural-stem-cells-promoted-by-csf-collected-from-sah-patients-correlates-to-clinical-outcome
#2
Yun-An Chen, Kuo-Chuan Wang, Der-Zen Liu, Tai-Horng Young, Li-Kai Tsai
Neurogenesis from endogenous neural stem cells (NSCs) might contribute to functional recovery after stroke based on animal studies; however, the relationship between neurogenesis and post-stroke outcome has rarely been demonstrated in humans. We prospectively collected cerebrospinal fluid (CSF) from 36 patients with subarachnoid hemorrhage (SAH). The CSF was added to the culture medium of the rat NSCs to test the effects on proliferation (proliferation index [PI], percentage of Ki-67 immunoreactive cells). We correlated the PI with functional outcome based on the modified Rankin Scale at 3 months post-SAH...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348323/epothilone-b-benefits-nigrostriatal-pathway-recovery-by-promoting-microtubule-stabilization-after-intracerebral-hemorrhage
#3
Yang Yang, Xuan Zhang, Hongfei Ge, Wei Liu, Eryi Sun, Yuanyuan Ma, Hengli Zhao, Rongwei Li, Weixiang Chen, Jichao Yuan, Qianwei Chen, Yujie Chen, Xin Liu, John H Zhang, Rong Hu, Xiaotang Fan, Hua Feng
BACKGROUND: Many previous clinical studies have demonstrated that the nigrostriatal pathway, which plays a vital role in movement adjustment, is significantly impaired after stroke, according to medical imaging and autopsies. However, the basic pathomorphological changes have been poorly investigated to date. This study was designed to explore the pathomorphological changes, mechanism, and therapeutic method of nigrostriatal impairment after intracerebral hemorrhage (ICH). METHODS AND RESULTS: Intrastriatal injection of autologous blood or microtubule depolymerization reagent nocodazole was performed to mimic the pathology of ICH in C57/BL6 mice...
January 18, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29346320/c-phycocyanin-and-phycocyanobilin-as-remyelination-therapies-for-enhancing-recovery-in-multiple-sclerosis-and-ischemic-stroke-a-preclinical-perspective
#4
REVIEW
Giselle Pentón-Rol, Javier Marín-Prida, Viviana Falcón-Cama
Myelin loss has a crucial impact on behavior disabilities associated to Multiple Sclerosis (MS) and Ischemic Stroke (IS). Although several MS therapies are approved, none of them promote remyelination in patients, limiting their ability for chronic recovery. With no available therapeutic options, enhanced demyelination in stroke survivors is correlated with a poorer behavioral recovery. Here, we show the experimental findings of our group and others supporting the remyelinating effects of C-Phycocyanin (C-PC), the main biliprotein of Spirulina platensis and its linked tetrapyrrole Phycocyanobilin (PCB), in models of these illnesses...
January 18, 2018: Behavioral Sciences
https://www.readbyqxmd.com/read/29345501/-it-s-nothing-you-could-ever-prepare-anyone-for-the-experiences-of-young-people-and-their-families-following-parental-stroke
#5
Clare Coppock, Scott Ferguson, Anna Green, David Winter
AIMS: This study sought to explore the experiences of young people (aged 8-16) and their families following parental acquired brain injury (ABI), with the aim of developing an understanding of the ways in which members of a family make sense of events post-injury, and to consider the implications of different perspectives on adjustment and coping. DESIGN: The study applied a qualitative approach using a thematic analysis methodology. PROCEDURE: Individual semi-structured interviews were conducted with 10 individuals from three families affected by parental stroke...
January 18, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29341345/increase-in-neutrophil-after-r-tpa-thrombolysis-predicts-poor-functional-outcome-of-ischemic-stroke-a-longitudinal-study
#6
Jijun Shi, Hao Peng, Shoujiang You, Yuanyuan Liu, Jiaping Xu, Yingying Xu, Huihui Liu, Rongfang Shi, Yongjun Cao, Chun-Feng Liu
BACKGROUND: Neutrophil, a pivotal immune responder to ischemic brain insult, has been involved in neuroplasticity and increases after stroke. r-tPA, a promising treatment improving neuroplasticity, promotes neutrophil degranulation. However, the dynamic profile of neutrophil after r-tPA treatment and its effect on neurological recovery after stroke is not well studied. METHODS: We measured cell counts of neutrophil, lymphocyte, and their ratio (NLR) on admission and 24 hours after r-tPA infusion in 372 consecutively recruited acute ischemic stroke patients (mean age 64 years)...
January 17, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29340965/emotional-and-social-characteristics-of-stroke-patients-with-low-verbal-memory
#7
Ewa Zawadzka, Łucja Domańska
BACKGROUND: Cognitive deficits, especially problems with memory observed after stroke often coexist with patients' experience of difficulties in everyday life situations. AIMS: The purposes of the study were to explore the relationships between verbal memory, emotional functioning and social competence in stroke patients, and to examine the emotional and social condition of stroke patients with low verbal memory. METHODS: Ninety-five participants were assessed with the Rey Auditory Verbal Learning Test, the Neuropsychology Behavior and Affect Profile, and the Social Competency Questionnaire...
January 17, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29340071/hypoxia-inducible-factor-1%C3%AE-regulates-microglial-functions-affecting-neuronal-survival-in-the-acute-phase-of-ischemic-stroke-in-mice
#8
Seoyeon Bok, Young-Eun Kim, Youngsik Woo, Soeun Kim, Suk-Jo Kang, Yoontae Lee, Sang Ki Park, Irving L Weissman, G-One Ahn
Cells universally adapt to ischemic conditions by turning on a transcription factor hypoxia-inducible factor (HIF), in which its role is known to differ widely across many different types of cells. Given that microglia have been reported as an essential mediator of neuroinflammation in many brain diseases, we examined the role of HIF in microglia in the progression of an acute phase of ischemic stroke by challenging our novel strains of myeloid-specific Hif-1α or Hif-2α knockout (KO) mice created by Cre-loxP system via middle cerebral artery occlusion (MCAO)...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339985/butterfly-sprint-swimming-technique-analysis-of-somatic-and-spatial-temporal-coordination-variables
#9
Marek Strzała, Arkadiusz Stanula, Piotr Krężałek, Andrzej Ostrowski, Marcin Kaca, Grzegorz Głąb
The aim of this study was to investigate somatic properties and force production of leg extensor muscles measured in the countermovement jump test (CMJ), as well as to analyse kinematic variables of sprint surface butterfly swimming. Thirty-four male competitive swimmers were recruited with an average age of 19.3 ± 1.83 years. Their average body height (BH) was 183.7 ± 5.93 cm, body fat content 10.8 ± 2.64% and body mass (BM) 78.3 ± 5.0 kg. Length measurements of particular body segments were taken and a counter movement jump (CMJ) as well as an all-out 50 m butterfly speed test were completed...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29339771/etiology-of-language-network-changes-during-recovery-of-aphasia-after-stroke
#10
Casper A M M van Oers, H Bart van der Worp, L Jaap Kappelle, Mathijs A H Raemaekers, Willem M Otte, Rick M Dijkhuizen
Knowledge of spatiotemporal patterns of language network changes may help in predicting outcome in aphasic stroke patients. Here we assessed language function and performed functional MRI four times during one year to measure language network activation and cerebrovascular reactivity (with breath-holding) in twelve left-hemispheric stroke patients, of whom two dropped out before the final measurement, and eight age-matched controls. Language outcome was related to increase of activation in left and right posterior inferior temporal gyrus over the first year, while activation increase in right inferior frontal gyrus was inversely correlated to language recovery...
January 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29338060/biofeedback-effect-of-hybrid-assistive-limb-in-stroke-rehabilitation-a-proof-of-concept-study-using-functional-near-infrared-spectroscopy
#11
Kazuya Saita, Takashi Morishita, Hisatomi Arima, Koichi Hyakutake, Toshiyasu Ogata, Kenji Yagi, Etsuji Shiota, Tooru Inoue
INTRODUCTION: Robot-assisted rehabilitation has been increasingly drawing attention in the field of neurorehabilitation. The hybrid assistive limb (HAL) is an exoskeleton robot developed based on the "interactive biofeedback" theory, and several studies have shown its efficacy for patients with stroke. We aimed to investigate the mechanisms of the facilitative effect of neurorehabilitation using a single-joint HAL (HAL-SJ) and functional near-infrared spectroscopy (fNIRS). MATERIALS AND METHODS: Subacute stroke patients admitted to our hospital were assessed in this study for HAL eligibility...
2018: PloS One
https://www.readbyqxmd.com/read/29338007/bilateral-changes-in-afterhyperpolarization-duration-of-spinal-motoneurones-in-post-stroke-patients
#12
Bożenna Kuraszkiewicz, Jia-Jin Jason Chen, Hanna Goszczyńska, Yu-Lin Wang, Maria Piotrkiewicz
This paper extends the observations presented in the previously published work on the afterhyperpolarization (AHP) duration changes in motoneurones (MNs) on the paretic (more affected) side of 11 post-stroke patients by the same analysis on the non-paretic (less-affected) side. The estimated AHP duration for patients' MNs supplying more-affected muscles was significantly longer than control values and the elongation decreased with patient age and disorder duration. For MNs supplying less-affected muscles, dependency of AHP duration on age was closer to the control data, but the scatter was substantially bigger...
2018: PloS One
https://www.readbyqxmd.com/read/29337146/apelin-13-attenuates-er-stress-mediated-neuronal-apoptosis-by-activating-g%C3%AE-i-g%C3%AE-q-ck2-signaling-in-ischemic-stroke
#13
Fei Wu, Jian Qiu, Yang Fan, Qiuling Zhang, Baohua Cheng, Yili Wu, Bo Bai
Cerebral ischemia/reperfusion (I/R) injury-induced neuronal apoptosis contributes to the death and disability in patients with ischemic stroke. However, underlying mechanisms remain elusive and it lacks effective treatment. Here we reported that the expression of casein kinase 2 (CK2) was significantly reduced in brains of middle cerebral artery occlusion/reperfusion (MACO/R) model rats and oxygen-glucose deprivation/reperfusion (OGD/R) model neurons, which was associated with the activation of eIF2-ATF4-CHOP signaling pathway, leading to neuronal apoptosis...
January 11, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29334856/stroke-after-minor-head-trauma-in-infants-and-young-children-with-basal-ganglia-calcification-a-lenticulostriate-vasculopathy
#14
Jatinder Singh Goraya, Shivankshi Berry, Kavita Saggar, Archana Ahluwalia
The authors retrospectively reviewed charts of the children with basal ganglia stroke who either had preceding minor head injury or showed basal ganglia calcification on computed tomography (CT) scan. Twenty children, 14 boys and 6 girls were identified. Eighteen were aged between 7 months to 17 months. Presentation was with hemiparesis in 17 and seizures in 3. Preceding minor head trauma was noted in 18. Family history was positive in 1 case. Bilateral basal ganglia calcification on CT scan was noted in 18...
February 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29334831/does-stroke-rehabilitation-really-matter-part-b-an-algorithm-for-prescribing-an-effective-intensity-of-rehabilitation
#15
Matthew Strider Jeffers, Sudhir Karthikeyan, Mariana Gomez-Smith, Sarah Gasinzigwa, Jannis Achenbach, Astrid Feiten, Dale Corbett
BACKGROUND: The proportional recovery rule suggests that current rehabilitation practices may have limited ability to influence stroke recovery. However, the appropriate intensity of rehabilitation needed to achieve recovery remains unknown. Similarities between rodent and human recovery biomarkers may allow determination of rehabilitation thresholds necessary to activate endogenous biological recovery processes. OBJECTIVE: We determined the relative influence that clinically relevant biomarkers of stroke recovery exert on functional outcome...
January 1, 2018: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/29334344/content-validity-and-satisfaction-with-a-caregiver-integrated-web-based-rehabilitation-intervention-for-persons-with-stroke
#16
Sarah Blanton, Sandra Dunbar, Patricia C Clark
Background Family members provide valuable contributions during rehabilitation after stroke, but frequently report higher incidences of burden, depression, and social isolation during caregiving. Thus, effective interventions to reduce stroke impact on the family are needed. Objectives To evaluate the content validity and satisfaction of a caregiver-focused web-based intervention designed to improve stroke survivor physical function while reducing caregiver negative outcomes. Methods Caregivers of individuals with stroke (N = 6) and expert rehabilitation researchers (N = 4) were presented with a novel, web-based intervention (CARE-CITE) designed to foster problem-solving and skill-building while facilitating caregiver involvement during constraint-induced movement therapy...
January 15, 2018: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29334274/an-overview-of-robotic-mechanical-devices-for-post-stroke-thumb-rehabilitation
#17
Marian Suarez-Escobar, Elizabeth Rendon-Velez
PURPOSE: This article aims to clarify the current state-of-the-art of robotic/mechanical devices for post-stroke thumb rehabilitation as well as the anatomical characteristics and motions of the thumb that are crucial for the development of any device that aims to support its motion. METHODS: A systematic literature search was conducted to identify robotic/mechanical devices for post-stroke thumb rehabilitation. Specific electronic databases and well-defined search terms and inclusion/exclusion criteria were used for such purpose...
January 15, 2018: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29333801/efficacy-of-the-regent-suit-based-rehabilitation-on-gait-emg-patterns-in-hemiparetic-subjects-a-pilot-study
#18
Luigi Iuppariello, Giovanni D'Addio, Maria Romano, Paolo Bifulco, Nicola Pappone, Bernardo Lanzillo, Mario Cesarelli
BACKGROUND: The recovery of the functional limb mobility of patients with cerebral damages can take great benefit of the role offered by proprioceptive rehabilitation. Recently have been developed a special Regent Suit (RS) for rehabilitative applications. Actually, there are preliminary studies which describes the effects of RS on gait recovery of stroke patients in acute stage, but none in chronic stage. Moreover, it is known that motor recovery does not always reflect improvements of the muscle activity and coactivity...
January 11, 2018: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29332564/mesenchymal-stem-cell-therapy-in-intracerebral-haemorrhagic-stroke
#19
Gloria Bedini, Anna Bersano, Elisa R Zanier, Francesca Pischiutta, Eugenio A Parati
BACKGROUND: Spontaneous intracerebral haemorrhage (ICH) is a relatively common fatal disease, with an overall global incidence estimated at 24.6 per 100,000 person-years. Given the high degree of morbidity and mortality associated with ICH, therapies that may have neuroprotective effects are of increasing interest to clinicians. In this last context, cell therapies offer the promise of improving the disease course which cannot be addressed adequately by existing treatments. OBJECTIVE: The aim of this review is to evaluate the protective effects and molecular mechanisms of mesenchymal stem cells (MSCs) on haemorrhagic brain following ICH...
January 10, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29331305/tigar-inhibits-ischemia-reperfusion-induced-inflammatory-response-of-astrocytes
#20
Jieyu Chen, Ding-Mei Zhang, Xing Feng, Jian Wang, Yuan-Yuan Qin, Tian Zhang, Qiao Huang, Rui Sheng, Zhong Chen, Mei Li, Zheng-Hong Qin
The inflammatory response of glial cells contributes to neuronal damage or repair after brain ischemia/reperfusion insult. We previously demonstrated a protective role of TP53-induced glycolysis and apoptosis regulator (TIGAR) in ischemic neuronal injury through increasing the flow of pentose phosphate pathway (PPP). The present study investigated the possible role of TIGAR in ischemia/reperfusion-induced inflammatory response of astrocytes. Male ICR mice were subjected to middle cerebral artery occlusion for 2 h followed by 24 h reperfusion and cultured primary astrocytes were subjected to oxygen glucose deprivation for 9 h followed by 24 h reoxygenation (OGD/R)...
January 10, 2018: Neuropharmacology
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