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https://www.readbyqxmd.com/read/28432264/prediction-of-stroke-subtype-and-recanalization-using-susceptibility-vessel-sign-on-susceptibility-weighted-magnetic-resonance-imaging
#1
Dong-Wan Kang, Han-Gil Jeong, Do Yeon Kim, Wookjin Yang, Seung-Hoon Lee
BACKGROUND AND PURPOSE: The susceptibility vessel sign (SVS) is a hypointense signal visualized because of the susceptibility effect of thrombi, sensitively detected on susceptibility-weighted magnetic resonance imaging. The relationship of SVS parameters with the stroke subtype and recanalization status after endovascular treatment remains uncertain. METHODS: The data from 89 patients with acute stroke caused by anterior circulation infarcts who underwent susceptibility-weighted magnetic resonance imaging before endovascular treatment were examined...
April 21, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28431475/validation-of-the-essen-stroke-risk-score-in-different-subtypes-of-ischemic-stroke
#2
Yi Liu, Yongjun Wang, William A Li, Aoshuang Yan, Yilong Wang
OBJECTIVE: Predictive scores are important tools for stratifying patients based on their risk of future vascular events and for selecting preventive therapies. The aim of this study is to validate the Essen Stroke Risk Score (ESRS) for stratifying stroke recurrence in different subtypes of non-atrial fibrillation ischemic stroke in a large Chinese cohort. METHODS: Data were derived from the Blood pressure and clinical Outcome in Stroke Survivors registry, which includes a cohort of 2204 stroke patients...
April 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28429604/intra-arterial-verapamil-post-thrombectomy-is-feasible-safe-and-neuroprotective-in-stroke
#3
Justin F Fraser, Michael Maniskas, Amanda Trout, Doug Lukins, Lindsey Parker, W Lane Stafford, Abdulnasser Alhajeri, Jill Roberts, Gregory J Bix
Large vessel ischemic stroke represents the most disabling subtype. While t-PA and endovascular thrombectomy can recanalize the occluded vessel, good clinical outcomes are not uniformly achieved. We propose that supplementing endovascular thrombectomy with superselective intra-arterial (IA) verapamil immediately following recanalization could be safe and effective. Verapamil, a calcium channel blocker, has been shown to be an effective IA adjunct in a pre-clinical mouse focal ischemia model. To demonstrate translational efficacy, mechanism, feasibility, and safety, we conducted a group of translational experiments...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28428978/20th-workshop-of-the-international-stroke-genetics-consortium-november-3-4-2016-milan-italy-2016-036-isgc-research-priorities
#4
Daniel Woo, Stephanie Debette, Christopher Anderson
OBJECTIVE: To develop a research priority list for the International Stroke Genetics Consortium (ISGC). BACKGROUND: Previously, stroke progress review groups and other activities provided an opportunity for members within the field to develop priorities for research. These filtered into larger categories which then published the top research priorities of their given field. However, these review groups are no longer forming and thus there has been no clear direction on what the research priorities and needs for stroke genetics research...
March 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28427162/effect-of-age-on-long-term-outcomes-after-stroke-with-atrial-fibrillation-a-hospital-based-follow-up-study-in-china
#5
Tao Wang, Bin Li, Hongfei Gu, Yongzhong Lou, Xianjia Ning, Jinghua Wang, Zhongping An
Atrial fibrillation (AF) is an established predictor of poor outcomes after stroke. We aimed to assess the effect of age on outcomes at 1 year and 3 years in stroke patients with AF.We recruited acute ischemic stroke patients with AF between January 2006 and September 2014 in Tianjin, China. Clinical features and outcomes at 1 year and 3 years after stroke were compared between younger group and elderly group. Overall, 951 consecutive stroke patients with AF were included in this study. There was a higher mortality and dependency rate in the elderly group than in the young group at both 1 and 3 years after stroke...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28409234/clinical-role-of-von-willebrand-factor-in-acute-ischemic-stroke
#6
Marija Menih, Miljenko Križmarić, Tanja Hojs Fabjan
BACKGROUND: An elevated level of von Willebrand factor (VWF) is associated with an increased risk for coronary heart disease and ischemic stroke. The objective of the study was to determine whether the level of VWF is associated with the cardioembolic subtype of ischemic stroke, stroke severity, and clinical outcome. PATIENTS AND METHODS: In this study 108 patients suffering from acute ischemic stroke (AIS) were included. According to the etiology of the stroke, patients were classified into the subtype of cardioembolic (CE) stroke and the group with non-CE stroke...
April 13, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28408613/air-pollution-and-the-incidence-of-ischaemic-and-haemorrhagic-stroke-in-the-south-london-stroke-register-a-case-cross-over-analysis
#7
B K Butland, R W Atkinson, S Crichton, B Barratt, S Beevers, A Spiridou, U Hoang, F J Kelly, C D Wolfe
BACKGROUND: Few European studies investigating associations between short-term exposure to air pollution and incident stroke have considered stroke subtypes. Using information from the South London Stroke Register for 2005-2012, we investigated associations between daily concentrations of gaseous and particulate air pollutants and incident stroke subtypes in an ethnically diverse area of London, UK. METHODS: Modelled daily pollutant concentrations based on a combination of measurements and dispersion modelling were linked at postcode level to incident stroke events stratified by haemorrhagic and ischaemic subtypes...
April 13, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28393932/anti-high-mobility-group-box-1-hmgb1-antibody-inhibits-hemorrhage-induced-brain-injury-and-improved-neurological-deficits-in-rats
#8
Dengli Wang, Keyue Liu, Hidenori Wake, Kiyoshi Teshigawara, Shuji Mori, Masahiro Nishibori
As one of the most lethal stroke subtypes, intracerebral hemorrhage (ICH) is acknowledged as a serious clinical problem lacking effective treatment. Available evidence from preclinical and clinical studies suggests that inflammatory mechanisms are involved in the progression of ICH-induced secondary brain injury. High mobility group box-1 (HMGB1) is a ubiquitous and abundant nonhistone DNA-binding protein, and is also an important proinflammatory molecule once released into the extracellular space from the nuclei...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28392099/cerebrovascular-dissemination-in-time-and-space-as-a-predictor-of-cardioembolism
#9
João André Sousa, Mafalda Mendes-Pinto, João Sargento-Freitas, Fernando Silva, Carla Cecília, Carmo Macário, Ana Gouveia, Cristina Machado, Bruno Rodrigues, Gustavo C Santo, Ana Lima, Ricardo Veiga, Luís Cunha, António Freire-Gonçalves
BACKGROUND: Cardioembolism has tendency to recur and cause lesions in distinct cerebrovascular territories. Using the imaging characteristics of cerebral lesions to determine dissemination in time and space (DTS) is a concept already used in other neurologic conditions; however, it has never been applied as a diagnostic tool in ischemic stroke etiology. AIM: This study aimed to assess DTS as a diagnostic marker of cardioembolism. METHODS: We enrolled consecutive patients with acute ischemic stroke of various etiologies admitted in a cerebrovascular disease nursery from a university hospital in a retrospective cohort study...
April 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28390251/increased-circulating-leukocyte-derived-microparticles-in-ischemic-cerebrovascular-disease
#10
Zhangping He, Yanyan Tang, Chao Qin
OBJECTIVES: Circulating leukocyte-derived microparticles act as proinflammatory mediators that reflect vascular inflammation. In this study, we examined the hypothesis that the quantity of leukocyte-derived microparticles is increased in patients with ischemic cerebrovascular diseases, and investigated utility of various phenotypes of leukocyte-derived microparticles as specific biomarkers of vascular inflammation injury. Additionally we focused on identifying leukocyte-derived microparticles that may be correlated with stroke severity in acute ischemic stroke patients...
April 4, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28385306/detection-of-atherosclerotic-inflammation-by-68-ga-dotatate-pet-compared-to-18-f-fdg-pet-imaging
#11
Jason M Tarkin, Francis R Joshi, Nicholas R Evans, Mohammed M Chowdhury, Nichola L Figg, Aarti V Shah, Lakshi T Starks, Abel Martin-Garrido, Roido Manavaki, Emma Yu, Rhoda E Kuc, Luigi Grassi, Roman Kreuzhuber, Myrto A Kostadima, Mattia Frontini, Peter J Kirkpatrick, Patrick A Coughlin, Deepa Gopalan, Tim D Fryer, John R Buscombe, Ashley M Groves, Willem H Ouwehand, Martin R Bennett, Elizabeth A Warburton, Anthony P Davenport, James H F Rudd
BACKGROUND: Inflammation drives atherosclerotic plaque rupture. Although inflammation can be measured using fluorine-18-labeled fluorodeoxyglucose positron emission tomography ([(18)F]FDG PET), [(18)F]FDG lacks cell specificity, and coronary imaging is unreliable because of myocardial spillover. OBJECTIVES: This study tested the efficacy of gallium-68-labeled DOTATATE ((68)Ga-DOTATATE), a somatostatin receptor subtype-2 (SST2)-binding PET tracer, for imaging atherosclerotic inflammation...
April 11, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28382869/the-role-of-autophagy-in-subarachnoid-hemorrhage-an-update
#12
Yuanjian Fang, Sheng Chen, Cesar Reis, Jianmin Zhang
Autophagy is an extensive self-degradation process for the disposition of cytosolic aggregated or misfolded proteins and defective organelles. Due to different cytosolic components, autophagy pathway executes the functions of pro-survival and pro-death to maintain cellular homeostasis. The pathway plays essential roles in several neurological disorders. Subarachnoid Hemorrhage (SAH) is a devastating subtype of hemorrhagic stroke with high risk of neurological deficit and high mortality. Early brain injury (EBI) plays a role in the poor clinical course and outcome after SAH...
April 6, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28381507/integrity-of-normal-appearing-white-matter-and-functional-outcomes-after-acute-ischemic-stroke
#13
Mark R Etherton, Ona Wu, Pedro Cougo, Anne-Katrin Giese, Lisa Cloonan, Kaitlin M Fitzpatrick, Allison S Kanakis, Gregoire Boulouis, Hasan H Karadeli, Arne Lauer, Jonathan Rosand, Karen L Furie, Natalia S Rost
OBJECTIVE: To characterize the effect of white matter microstructural integrity on cerebral tissue and long-term functional outcomes after acute ischemic stroke (AIS). METHODS: Consecutive AIS patients with brain MRI acquired within 48 hours of symptom onset and 90-day modified Rankin Scale (mRS) score were included. Acute infarct volume on diffusion-weighted imaging (DWIv) and white matter hyperintensity volume (WMHv) on T2 fluid-attenuated inversion recovery MRI were measured...
April 5, 2017: Neurology
https://www.readbyqxmd.com/read/28381199/2014-chinese-guidelines-for-secondary-prevention-of-ischemic-stroke-and-transient-ischemic-attack
#14
Yongjun Wang, Ming Liu, Chuanqiang Pu
Ischemic stroke and transient ischemic attack (TIA) are the most common cerebrovascular disorder and leading cause of death in China. The Effective secondary prevention is the vital strategy for reducing stroke recurrence. The aim of this guideline is to provide the most updated evidence-based recommendation to clinical physicians from the prior version. Control of risk factors, intervention for vascular stenosis/occlusion, antithrombotic therapy for cardioembolism, and antiplatelet therapy for noncardioembolic stroke are all recommended, and the prevention of recurrent stroke in a variety of uncommon causes and subtype provided as well...
April 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28380323/a-retrospective-analysis-of-254-acute-stroke-cases-admitted-to-two-university-hospitals-in-beirut-classification-and-associated-factors
#15
N Lahoud, Marie-Helene Abbas, Pascale Salameh, N Saleh, Samer Abes, Hassan Hosseini, Souheil Gebeily
Lebanon is a developing country where the prevalence of stroke subtypes and their correlation with risk factors have not been studied, even though stroke management is an ongoing major national healthcare challenge. In a retrospective study conducted in two university hospitals, data were collected on all stroke cases admitted in 2012 and 2013. Ischemic strokes were then classified according to a modified TOAST classification. A total of 254 inpatients (mean age 68.41 years ±13.34, 55.1% males) was included in the study; of these, 15% had had a hemorrhagic stroke and was therefore excluded...
January 2017: Functional Neurology
https://www.readbyqxmd.com/read/28377383/risk-of-stroke-in-patients-with-heart-failure-a-population-based-30-year-cohort-study
#16
Kasper Adelborg, Szimonetta Szépligeti, Jens Sundbøll, Erzsébet Horváth-Puhó, Victor W Henderson, Anne Ording, Lars Pedersen, Henrik Toft Sørensen
BACKGROUND AND PURPOSE: The long-term risk of specific stroke subtypes among heart failure patients is largely unknown. We examined short-term and long-term risk of ischemic stroke, intracerebral hemorrhage (ICH), and subarachnoid hemorrhage (SAH) in heart failure patients and in a general population comparison cohort. METHODS: In this nationwide cohort study (1980-2012), we used Danish population-based medical registries to identify and follow (1) all patients hospitalized for the first time with heart failure and (2) a birth year-, sex-, and calendar year-matched general population comparison cohort...
April 4, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28367734/early-life-characteristics-social-mobility-during-childhood-and-risk-of-stroke-in-later-life-findings-from-a-swedish-cohort
#17
Amy Heshmati, M Pia Chaparro, Anna Goodman, Ilona Koupil
AIMS: To investigate if early life characteristics and social mobility during childhood are associated with incident thrombotic stroke (TS), haemorrhagic stroke (HS) and other stroke (OS). METHODS: Our study population consists of all live births at Uppsala University Hospital in 1915-1929 (Uppsala Birth Cohort; n = 14,192), of whom 5532 males and 5061 females were singleton births and lived in Sweden in 1964. We followed them from 1 January 1964 until first diagnosis of stroke (in the National Patient Register or Causes of Death Register), emigration, death, or until 31 December 2008...
March 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28363975/fine-particulate-matter-exposure-and-incidence-of-stroke-a-cohort-study-in-hong-kong
#18
Hong Qiu, Shengzhi Sun, Hilda Tsang, Chit-Ming Wong, Ruby Siu-Yin Lee, C Mary Schooling, Linwei Tian
OBJECTIVE: We aimed to assess the association of long-term residential exposure to fine particulate matter (PM) with aerodynamic diameter less than 2.5 μm (PM2.5) with the incidence of stroke and its major subtypes. METHODS: We ascertained the first occurrence of emergency hospital admission for stroke in a Hong Kong Chinese cohort of 66,820 older people (65+ years) who enrolled during 1998-2001 (baseline) and were followed up to December 31, 2010. High-resolution (1 × 1 km) yearly mean concentrations of PM2...
March 31, 2017: Neurology
https://www.readbyqxmd.com/read/28362967/anticoagulation-vs-antiplatelet-treatment-in-patients-with-carotid-and-vertebral-artery-dissection-a-study-of-370-patients-and-literature-review
#19
Badih Daou, Christine Hammer, Nikolaos Mouchtouris, Robert M Starke, Sravanthi Koduri, Steven Yang, Pascal Jabbour, Robert Rosenwasser, Stavropoula Tjoumakaris
BACKGROUND: Dissection of the carotid and vertebral arteries is an important cause of stroke in young patients. OBJECTIVE: The objective of this study is to compare antithrombotic treatments in patients with carotid and vertebral dissections. METHODS: Three hundred seventy patients with carotid and vertebral artery dissections were included. Univariate and multivariate analyses were conducted to analyze the association between treatment and new or recurrent events and clinical outcome...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28360808/ischemic-stroke-in-the-elderly-septuagenarians-versus-octogenarians
#20
Birgül Baştan, Sefer Günaydin, Fatma Belgin Balci, Hürtan Acar, Aytül Mutlu, Feriha Özer, Özlem Çokar
INTRODUCTION: Stroke prevalence is known to increase with age. Approximately 50% of acute ischemic stroke patients are aged between 70 and 89 years. METHODS: In this study, records of 770 ischemic stroke patients who were 70-89 years old were retrospectively examined (407 septuagenarians and 363 octogenarians). The demographics, comorbid conditions, ischemic stroke type, and stroke outcome for the two age groups were analyzed. RESULTS: Comorbid hypertension, diabetes mellitus, and HbA1c levels of ≥6...
December 2016: Noro Psikiyatri Arsivi
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