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Translational stroke

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https://www.readbyqxmd.com/read/29451587/diagnosing-dementia-in-lower-educated-older-persons-validation-of-a-brazilian-portuguese-version-of-the-rowland-universal-dementia-assessment-scale-rudas
#1
Narahyana B de Araujo, Thomas R Nielsen, Knut Engedal, Maria L Barca, Evandro S Coutinho, Jerson Laks
OBJECTIVE: To validate the Rowland Universal Dementia Assessment Scale for use in Brazil (RUDAS-BR). METHODS: We first completed an English-Brazilian Portuguese translation and back-translation of the RUDAS. A total of 135 subjects over 60 years of age were included: 65 cognitively healthy and 70 with Alzheimer's disease (AD) according to the DSM-IV and Neurological and Communicative Disorders and Stroke/Alzheimer's Disease and Related Disorders Association (NINCDS-ADRDA) criteria...
February 15, 2018: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/29448967/facial-nerve-stimulation-in-normal-pigs-and-healthy-human-volunteers-transitional-development-of-a-medical-device-for-the-emergency-treatment-of-ischemic-stroke
#2
Olivia Sanchez, Andrea García, Fernando Castro-Prado, Miriam Perez, Rafael Lara-Estrada, Martin Ramirez-Meza, Montserrat Godinez, Michael L Coco, Joaquín Azpiroz, Mark K Borsody, Emilio Sacristán
BACKGROUND: Magnetic stimulation of the facial nerve has been tested in preclinical studies as a new, non-invasive emergency treatment of ischemic stroke that acts by increasing cerebral blood flow (CBF). The objective of the studies reported herein was to identify minimal stimulation parameters that increase CBF in large animals and then test those stimulation parameters in healthy volunteers for safety, tolerability, and effectiveness at increasing CBF. This translational research is necessary preparation for clinical studies in ischemic stroke patients...
February 15, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29429886/sex-differences-in-stroke-attack-incidence-and-mortality-rates-in-northern-france
#3
Aline Meirhaeghe, Dominique Cottel, Béatrice Cousin, Marie-Pierre Dumont, Nadine Marécaux, Philippe Amouyel, Jean Dallongeville
BACKGROUND: Age and sex have a major impact on stroke onset. AIMS: We aimed to compare the attack, incidence, and 28-day mortality rate for stroke as well as risk factors in men and women aged 35 and over. METHODS: Data were obtained between 2008 and 2015 from the stroke population-based registry covering the city of Lille (northern France). RESULTS: A total of 2426 strokes (1917 incident strokes) were recorded. The number of strokes was lower in women than in men when considering individuals under the age of 75 but was twice as high when considering individuals aged 75 or over...
February 8, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29421932/the-70-kda-heat-shock-protein-hsp70-as-a-therapeutic-target-for-stroke
#4
Jong Youl Kim, Yeonseung Han, Jong Eun Lee, Midori A Yenari
The 70-kDa heat shock protein (Hsp70) is a cytosolic chaperone which facilitates protein folding, degradation, complex assembly, and translocation. Following stroke, these functions have the potential to lead to cytoprotection, and this has been demonstrated using genetic mutant models, direct gene transfer or the induction of Hsp70 via heat stress, approaches which limit its translational utility. Recently, the investigation of Hsp70-inducing pharmacological compounds, which, through their ability to inhibit Hsp90, has obvious clinical implications in terms of potential therapies to mitigate cell death and inflammation, and lead to neuroprotection from brain injury...
February 8, 2018: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/29420965/environmental-noise-and-the-cardiovascular-system
#5
REVIEW
Thomas Münzel, Frank P Schmidt, Sebastian Steven, Johannes Herzog, Andreas Daiber, Mette Sørensen
Noise has been found associated with annoyance, stress, sleep disturbance, and impaired cognitive performance. Furthermore, epidemiological studies have found that environmental noise is associated with an increased incidence of arterial hypertension, myocardial infarction, heart failure, and stroke. Observational and translational studies indicate that especially nighttime noise increases levels of stress hormones and vascular oxidative stress, which may lead to endothelial dysfunction and arterial hypertension...
February 13, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29415282/delivering-intensive-rehabilitation-in-stroke-factors-influencing-implementation
#6
Louise A Connell, Tara D Klassen, Jessie Janssen, Clare Thetford, Janice J Eng
Background: The evidence-base for stroke rehabilitation recommends intensive and repetitive task-specific practice, as well as aerobic exercise. However, translating these evidence-based interventions from research into clinical practice remains a major challenge. Objective: The objective of this study was to investigate factors influencing implementation of higher intensity activity in stroke rehabilitation settings. Design: This qualitative study used a cross-sectional design...
February 5, 2018: Physical Therapy
https://www.readbyqxmd.com/read/29412241/oral-anticoagulation-in-atrial-fibrillation-development-and-evaluation-of-a-mobile-health-application-to-support-shared-decision-making
#7
Laura Siga Stephan, Eduardo Dytz Almeida, Raphael Boesche Guimarães, Antonio Gaudie Ley, Rodrigo Gonçalves Mathias, Maria Valéria Assis, Tiago Luiz Luz Leiria
BACKGROUND: Atrial fibrillation is responsible for one in four strokes, which may be prevented by oral anticoagulation, an underused therapy around the world. Considering the challenges imposed by this sort of treatment, mobile health support for shared decision-making may improve patients' knowledge and optimize the decisional process. OBJECTIVE: To develop and evaluate a mobile application to support shared decision about thromboembolic prophylaxis in atrial fibrillation...
February 1, 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29412119/sodium-glucose-cotransporter-2-inhibitors-and-ischemic-stroke
#8
Dimitrios Milonas, Konstantinos Tziomalos
BACKGROUND: Type 2 diabetes mellitus (T2DM) is associated with substantially increased risk for cardiovascular events, including ischemic stroke. In turn, ischemic stroke represents a leading cause of mortality and long-term disability worldwide. The newest class of glucose-lowering agents is sodium-glucose cotransporter 2 (SGLT-2) inhibitors, which act through inhibition of glucose reabsorption in the kidney, resulting in glucose excretion without stimulating insulin release. Accumulating data suggests that these agents improve multiple risk factors for ischemic stroke except their glucose-lowering effect...
February 6, 2018: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/29405840/changes-in-transcranial-ultrasound-velocities-in-children-with-sickle-cell-disease-undergoing-adenotonsillectomy
#9
Griffin Santarelli, Sarah C DeShields, Stacey L Ishman, Michael Randall, Tina D Cunningham, Cristina M Baldassari
Objectives (1) To assess for changes in cerebral blood flow velocity in children with sickle cell disease and obstructive sleep apnea (OSA) following adenotonsillectomy. (2) To determine if clinical factors such as OSA severity affect cerebral blood flow velocity values. Study Design Case series with chart review over 10 years. Settings Two tertiary children's hospitals. Subjects and Methods Children aged 2 to 18 years with a history of sickle cell disease and OSA, as defined by an apnea hypopnea index (AHI) >1 on polysomnography, were eligible for inclusion...
January 1, 2018: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29405553/fractional-flow-reserve-guided-percutaneous-coronary-intervention-results-in-reduced-ischemic-myocardium-and-improved-outcomes
#10
Abhishek C Sawant, Aishwarya Bhardwaj, Kinjal Banerjee, Yash Jobanputra, Arnav Kumar, Parth Parikh, Krishna C Kandregula, Kanhaiya Poddar, Stephen G Ellis, Ravi Nair, John Corbelli, Samir Kapadia
OBJECTIVES: To determine if fractional flow reserve guided percutaneous coronary intervention (FFR-guided PCI) is associated with reduced ischemic myocardium compared with angiography-guided PCI. BACKGROUND: Although FFR-guided PCI has been shown to improve outcomes, it remains unclear if it reduces the extent of ischemic myocardium at risk compared with angiography-guided PCI. METHODS: We evaluated 380 patients (190 FFR-guided PCI cases and 190 propensity-matched controls) who underwent PCI from 2009 to 2014...
February 6, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29401502/attenuation-of-reactive-gliosis-in-stroke-injured-mouse-brain-does-not-affect-neurogenesis-from-grafted-human-ipsc-derived-neural-progenitors
#11
Cecilia Laterza, Naomi Uoshima, Daniel Tornero, Ulrika Wilhelmsson, Anna Stokowska, Ruimin Ge, Milos Pekny, Olle Lindvall, Zaal Kokaia
Induced pluripotent stem cells (iPSCs) or their progeny, derived from human somatic cells, can give rise to functional improvements after intracerebral transplantation in animal models of stroke. Previous studies have indicated that reactive gliosis, which is associated with stroke, inhibits neurogenesis from both endogenous and grafted neural stem/progenitor cells (NSPCs) of rodent origin. Here we have assessed whether reactive astrocytes affect the fate of human iPSC-derived NSPCs transplanted into stroke-injured brain...
2018: PloS One
https://www.readbyqxmd.com/read/29400653/short-term-dual-antiplatelet-therapy-after-interventional-left-atrial-appendage-closure-with-different-devices
#12
Felix K Weise, Stefano Bordignon, Laura Perrotta, Athanasios Konstantinou, Fabrizio Bologna, Takahiko Nagase, Shaojie Chen, K R Julian Chun, Boris Schmidt
AIMS: We aimed to assess the feasibility, efficacy and safety of short-term dual antiplatelet therapy (DAPT) for 6 weeks after left atrial appendage closure (LAAC). METHODS AND RESULTS: Data of the Cardioangiologisches Centrum Bethanien-LAAC registry were analysed. DAPT (aspirin 100mg plus clopidogrel 75mg) was administered until transoesophageal echocardiography (TEE) evaluation 6 weeks after LAAC. In the absence of significant peri-device flow or device-related thrombus (DRT) the medication was decreased to single antiplatelet therapy (SAPT)...
February 6, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29400592/movement-goals-encoded-within-the-cortex-and-muscle-synergies-to-reduce-redundancy-pre-and-post-stroke-the-relevance-for-gait-rehabilitation-and-the-prescription-of-walking-aids-a-literature-review-and-scholarly-discussion
#13
Clare C Maguire, Judith M Sieben, Robert A De Bie
Current knowledge of neural and neuromuscular processes controlling gait and movement as well as an understanding of how these mechanisms change following stroke is an important basis for the development of effective rehabilitation interventions. To support the translation of findings from basic research into useful treatments in clinical practice, up-to-date neuroscience should be presented in forms accessible to all members of the multidisciplinary team. In this review we discuss aspects of cortical control of gait and movement, muscle synergies as a way of translating cortical commands into specific muscle activity and as an efficient means of reducing neural and musculoskeletal redundancy...
February 5, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29400089/what-are-the-images-used-to-diagnose-and-assess-suspected-strokes-a-systematic-literature-review-of-care-in-four-european-countries
#14
Anne-Claire Peultier, Ken Redekop, Emmanuel Coche, Johan L Severens
The cost-effectiveness of clinical interventions is often assessed using current care as comparator. However, evidence suggests practice variation in stroke imaging across countries. For the purpose of feeding into cost-effectiveness analysis, this research aims to describe the patterns of stroke imaging, examine practice variations across countries and, as such, obtain results reflecting current care. Areas covered: A systematic literature review was conducted to identify original studies reporting the imaging workup used in acute stroke care in clinical practice in Hungary, Germany, Sweden and the UK...
February 5, 2018: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/29399739/icam-1null-c57bl-6-mice-are-not-protected-from-experimental-ischemic-stroke
#15
Gaby U Enzmann, Sofia Pavlidou, Markus Vaas, Jan Klohs, Britta Engelhardt
Accumulation of neutrophils in the brain is a hallmark of cerebral ischemia and considered central in exacerbating tissue injury. Intercellular adhesion molecule (ICAM)-1 is upregulated on brain endothelial cells after ischemic stroke and considered pivotal in neutrophil recruitment as ICAM-1-deficient mouse lines were found protected from experimental stroke. Translation of therapeutic inhibition of ICAM-1 into the clinic however failed. This prompted us to investigate stroke pathogenesis in Icam1tm1Alb C57BL/6 mutants, a true ICAM-1null mouse line...
February 4, 2018: Translational Stroke Research
https://www.readbyqxmd.com/read/29397392/experimental-models-of-focal-and-multifocal-cerebral-ischemia-a-review
#16
Kristy L Meadows
Rodent and rabbit stroke models have been instrumental in our current understanding of stroke pathophysiology; however, translational failure is a significant problem in preclinical ischemic stroke research today. There are a number of different focal cerebral ischemia models that vary in their utility, pathophysiology of causing disease, and their response to treatments. Unfortunately, despite active preclinical research using these models, treatment options for ischemic stroke have not significantly advanced since the food and drug administration approval of tissue plasminogen activator in 1996...
February 5, 2018: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29395705/assessment-and-management-of-the-left-atrial-appendage-thrombus-in-patients-with-nonvalvular-atrial-fibrillation
#17
REVIEW
Yang Zhan, Jacqueline Joza, Mohamed Al Rawahi, Rodrigo S Barbosa, Michelle Samuel, Martin Bernier, Thao Huynh, George Thanassoulis, Vidal Essebag
BACKGROUND: Intracardiac thrombi arising in the left atrial appendage (LAA) are the principal cause of stroke in nonvalvular atrial fibrillation (AF). Predicting the presence of LAA thrombi is of vital importance in stratifying patients that would need further LAA imaging prior to cardioversion or AF ablation. METHODS: We comprehensively searched PubMed from its inception to November 2017 for randomized controlled trials, cohort and case control studies, as well as for case series on LAA thrombi risk factors, imaging, prevention, and anticoagulation management in atrial fibrillation...
December 15, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29394876/the-development-of-biological-therapies-for-neurological-diseases-moving-on-from-previous-failures
#18
Hisham Qosa, Donna A Volpe
Although years of research have expanded the use of biologics for several clinical conditions, such development has not yet occurred in the treatment of neurological diseases. With the advancement of biologic technologies, there is promise for these therapeutics as novel therapeutic approaches for neurological diseases. Areas covered: In this article, the authors review the therapeutic potential of different types of biologics for the treatment of neurological diseases. Preclinical and clinical studies that investigate the efficacy and safety of biologics in the treatment of neurological diseases, namely Alzheimer's disease, amyotrophic lateral sclerosis, Parkinson disease, multiple sclerosis, and stroke, were reviewed...
February 2, 2018: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29385837/verification-of-a-proteomic-biomarker-panel-to-diagnose-minor-stroke-and-transient-ischaemic-attack-phase-1-of-spectra-a-large-scale-translational-study
#19
Andrew M Penn, Maximilian B Bibok, Viera K Saly, Shelagh B Coutts, Mary L Lesperance, Robert F Balshaw, Kristine Votova, Nicole S Croteau, Anurag Trivedi, Angela M Jackson, Janka Hegedus, Evgenia Klourfeld, Amy Y X Yu, Charlotte Zerna, Christoph H Borchers
OBJECTIVE: To derive a plasma biomarker protein panel from a list of 141 candidate proteins which can differentiate transient ischaemic attack (TIA)/minor stroke from non-cerebrovascular ('mimic') conditions in emergency department (ED) settings. DESIGN: Prospective clinical study (#NCT03050099) with up to three timed blood draws no more than 36 hours following symptom onset. Plasma samples analysed by multiple reaction monitoring-mass spectrometry (MRM-MS). PARTICIPANTS: 545 participants suspected of TIA enrolled in the EDs of two urban medical centres...
February 1, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29379275/real-life-experience-of-quality-of-life-treatment-satisfaction-and-adherence-in-patients-receiving-oral-anticoagulants-for-atrial-fibrillation
#20
Michaël Benzimra, Béatrix Bonnamour, Martin Duracinsky, Christophe Lalanne, Jean-Pierre Aubert, Olivier Chassany, Isabelle Aubin-Auger, Isabelle Mahé
Introduction: Direct oral anticoagulants (DOACs) have shown noninferiority to vitamin K antagonists (VKA) in stroke prevention in patients with atrial fibrillation. DOAC treatment may be less demanding than VKA, improving quality of life. To date, there have been no studies of the real-life experience of outpatients receiving anticoagulation therapy for atrial fibrillation in France. Methods: An observational descriptive real-life epidemiological study used three validated questionnaires (EQ-5D, PACT-Q2, and MMAS-8 French Translation) to assess quality of life, treatment satisfaction, and adherence, respectively, in 200 patients managed on an outpatient basis for atrial fibrillation who were receiving anticoagulation therapy by VKA or DOAC for at least 3 months...
2018: Patient Preference and Adherence
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