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Cardioembolic stroke

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https://www.readbyqxmd.com/read/29235504/the-%C3%AE-fibrinogen-gene-455g-a-polymorphism-associated-with-cardioembolic-stroke-in-atrial-fibrillation-with-low-cha2ds2-vasc-score
#1
Xiaofeng Hu, Junjun Wang, Yaguo Li, Jiong Wu, Song Qiao, Shanhu Xu, Jun Huang, Linhui Chen
Previous work has suggested that ischemic stroke (IS) may be more likely to occur in individuals with a genetic predisposition. In this study, we investigated the potential association of IS-relevant genetic risk factors with cardioembolic stroke (CES) in atrial fibrillation (AF) patients with low CHA2DS2-VaSc score. Genotyping was performed using the GenomeLab SNPstream genotyping platform for five IS-relevant SNPs (MMP-9 C1562T, ALOX5AP SG13S114A/T, MTHFR 677 C/T, FGB 455 G/A, and eNOS G298A) in 479 AF patients with CES and 580 age and sex-matched AF patients without CES...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29227258/-causes-of-lethality-of-ischemic-stroke-and-ways-to-improve-prevention-methods
#2
Y Uteuliyev, K Konysbayeva, L Tekebaeva, B Alibekov, G Tokmurziyeva
In this article, the authors conduct an in-depth analysis of the causes of mortality from ischemic stroke in Almaty city of the Republic of Kazakhstan. Based on the materials of the city pathoanatomical bureau for 2015, 2016, and nine months of 2017. Autopsy materials and results of histological examination were analyzed. The materials of the study were processed using the methods of applied biostatistics. According to the results of the study, the authors came to the conclusion that the greatest number of patients who died of this pathology is in men aged 51 and older than 80 years, and in women 61 and older...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29225622/correlation-between-ch2ds2-vasc-score-and-serum-leptin-levels-in-cardioembolic-stroke-patients-the-impact-of-metabolic-syndrome
#3
Anna Szczepańska-Szerej, Jacek Kurzepa, Aneta Grabarska, Joanna Bielewicz, Ewa Wlizło-Dyś, Konrad Rejdak
Objective: To determine adipokines levels in patients with different etiologic subtypes of acute ischemic stroke (AIS) and metabolic syndrome (MetS) status. Methods: Serum adiponectin, leptin, and resistin levels were determined by ELISA in 99 AIS patients and 59 stroke-free control group subjects. Stroke patients were grouped based on MetS, modified TOAST classification, and CHA2DS2-VASc scale in case of cardioembolic stroke following atrial fibrillation. Results: No differences were found in all adipokine serum levels between AIS patients and appropriately matched control group...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29221869/characteristics-of-hospitalizations-due-to-acute-stroke-in-the-silesian-province-poland-between-2009-and-2015
#4
Anna Starostka-Tatar, Beata Łabuz-Roszak, Michał Skrzypek, Anetta Lasek-Bal, Mariusz Gąsior, Marek Gierlotka
INTRODUCTION: The available data on acute stroke (AS) in Poland come mainly from non-representative cohorts or are outdated. Therefore, the current study was done to access the most recent data on AS in the industrial region that covers 12% (4.6mln) of the country's population. OBJECTIVE: To evaluate the epidemiological data of AS in the Silesian Province, Poland. PATIENTS AND METHODS: Analysis of the data from stroke questionnaires, obligatory for all patients hospitalized due to AS and administered by the only public health insurer in Poland (the National Health Fund) between 2009 and 2015 (n=81,193)...
November 27, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29218790/embolic-strokes-of-undetermined-source-in-young-adults-baseline-characteristics-and-long-term-outcome
#5
Nicolas Martinez-Majander, Karoliina Aarnio, Jani Pirinen, Tuomas Lumikari, Tuomo Nieminen, Mika Lehto, Juha Sinisalo, Markku Kaste, Turgut Tatlisumak, Jukka Putaala
BACKGROUND: Embolic strokes of undetermined source (ESUS) is a recent entity, not yet thoroughly investigated in young stroke patients. We compared clinical characteristics and long-term risks of vascular events and all-cause mortality between young-onset ESUS and other etiological subgroups. METHODS: Among the 1008 patients aged 15 to 49 years with first-ever ischemic stroke in Helsinki Young Stroke Registry, we identified ESUS patients, and defined primary endpoints as recurrent stroke, composite vascular events, and all-cause mortality...
December 7, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29218699/clinical-outcome-of-cardioembolic-stroke-treated-by-intravenous-thrombolysis
#6
D Vaclavik, A Vilionskis, D Jatuzis, M A Karlinski, Z Gdovinova, J Kõrv, G Tsivgoulis, R Mikulik
INTRODUCTION: Cardioembolic stroke (CS) in patients without thrombolytic treatment is associated with a worse clinical outcome and higher mortality compared to other types of stroke. The aim of this study was to determine the clinical outcome of CS in patients treated by intravenous thrombolysis (IVT). MATERIAL AND METHODOLOGY: Data of patients from the SITS-EAST register (Safe Implementation of Treatments in Stroke) were analyzed in patients who received IVT treatment from 2000 to April 2014...
December 8, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29216218/stroke-subtype-classification-by-geometrical-descriptors-of-lesion-shape
#7
Bastian Cheng, Christian Knaack, Nils Daniel Forkert, Renate Schnabel, Christian Gerloff, Götz Thomalla
BACKGROUND AND PURPOSE: Inference of etiology from lesion pattern in acute magnetic resonance imaging is valuable for management and prognosis of acute stroke patients. This study aims to assess the value of three-dimensional geometrical lesion-shape descriptors for stroke-subtype classification, specifically regarding stroke of cardioembolic origin. METHODS: Stroke Etiology was classified according to ASCOD in retrospectively selected patients with acute stroke...
2017: PloS One
https://www.readbyqxmd.com/read/29212745/factors-associated-with-focal-computed-tomographic-perfusion-abnormalities-in-supratentorial-transient-ischemic-attacks
#8
Ivo A Meyer, Carlo W Cereda, Pamela N Correia, Jean-Baptiste Zerlauth, Francesco Puccinelli, David C Rotzinger, Michael Amiguet, Philippe Maeder, Reto A Meuli, Patrik Michel
BACKGROUND AND PURPOSE: Computed tomographic perfusion (CTP) is useful in diagnosis of patients with transient focal neurological symptoms. In acute imaging of patients with a suspected transient ischemic attack (TIA), it remains unclear which patients develop focal perfusion abnormalities (FPA), that is, hypoperfusion or hyperperfusion. We aimed at determining independent factors associated with FPA in patients with supratentorial TIAs. METHODS: We prospectively collected consecutive patients with supratentorial TIAs defined by the traditional time-based definition who underwent CTP within 24 hours of symptom onset...
December 6, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29212738/stroke-incidence-by-major-pathological-type-and-ischemic-subtypes-in-the-auckland-regional-community-stroke-studies-changes-between-2002-and-2011
#9
Rita V Krishnamurthi, Suzanne Barker-Collo, Varsha Parag, Priyakumari Parmar, Emma Witt, Amy Jones, Susan Mahon, Craig S Anderson, P Alan Barber, Valery L Feigin
BACKGROUND AND PURPOSE: Major pathological stroke types (ischemic stroke [IS], primary intracerebral hemorrhage [ICH], and subarachnoid hemorrhage) and IS subtypes, have differing risk factors, management, and prognosis. We report changes in major stroke types and IS subtypes incidence during 10 years using data from the ARCOS (Auckland Regional Community Stroke Study) III performed during 12 months in 2002 to 2003 and the fourth ARCOS study (ARCOS-IV) performed in 2011 to 2012. METHODS: ARCOS-III and ARCOS-IV were population-based registers of all new strokes in the greater Auckland region (population aged >15 years, 1 119 192)...
December 6, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29212188/baseline-platelet-parameters-for-predicting-early-platelet-response-and-clinical-outcomes-in-patients-with-non-cardioembolic-ischemic-stroke-treated-with-clopidogrel
#10
Wenxian Li, Xiaomei Xie, Di Wei, Shijun Zhang, Yuanling Wu, Xuejun Fu, Zhen Jing, Weibiao Lu, Xinqiang Lai, Li'an Huang
Purpose: The present study investigated whether routine baseline platelet parameters(BPPs) detected before clopidogrel therapy in acute non-cardioembolic ischemic stroke(NCIS) could predict early platelet response and future clinical outcomes. Results: The CYP2C19 polymorphisms constituted independent risk factors for LCR. The number of female patients, the incidence of diabetes mellitus (DM), the level of low-density lipoprotein(LDL) cholesterol, and the neutrophil-to-lymphocyte ratio(NLR) were significantly high in the clinical clopidogrel resistance (CCR) group...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29203579/heads-and-tails-of-natriuretic-peptides-neuroprotective-role-of-brain-natriuretic-peptide
#11
Héctor Fernández-Susavila, Manuel Rodríguez-Yáñez, Antonio Dopico-López, Susana Arias, María Santamaría, Paulo Ávila-Gómez, Juan M Doval-García, Tomás Sobrino, Ramón Iglesias-Rey, José Castillo, Francisco Campos
BACKGROUND: Besides the relevant role of brain-type natriuretic peptide (BNP) as biomarker of cardioembolic strokes, new experimental evidences suggest that this peptide may mediate neuroprotective effects. In this study, we have evaluated for the first time the clinical association between BNP (by means of proBNP) and good outcome in ischemic stroke patients, and analyzed the effect of blood BNP increase in an ischemic animal model. METHODS AND RESULTS: A retrospective study with 2 different cohorts (262 patients in cohort I and 610 in cohort II) from the same prospective stroke registry was performed...
December 4, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29198761/diagnostics-treatment-and-secondary-prevention-of-ischemic-stroke-in-the-silesian-province-poland-between-2009-and-2015
#12
Beata Łabuz-Roszak, Anna Starostka-Tatar, Anetta Lasek-Bal, Marek Gierlotka, Mariusz Gąsior, Michał Skrzypek
BACKGROUND: The available data on diagnostics and treatment of ischemic stroke (IS) in Poland come mainly from non-representative cohorts or are outdated. OBJECTIVE: Therefore, the current study was done to access the most recent data on IS in the industrial region that covers 12% of the country's population. MATERIALS & METHODS: Analysis of the data from stroke questionnaires, obligatory for all patients hospitalized due to acute stroke and administered by the National Health Fund (the only public health insurer in Poland) between 2009 and 2015 (n=81,193)...
November 14, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29181519/role-of-antiplatelet-therapy-in-stroke-prevention-in-patients-with-atrial-fibrillation
#13
Rohini Manaktala, Jeffrey Kluger
Patients with atrial fibrillation are at increased risk of having a cardioembolic stroke. The use of oral anticoagulation is now well established to prevent strokes in patients with atrial fibrillation and a CHA2DS2-VASc (congestive heart failure, hypertension, age ≥75 years [2 points], diabetes mellitus, prior stroke/transient ischemic attack or thromboembolism [2 points], vascular disease, age 65 to 74 years, and sex category) score of greater than 1, beyond sex. However, the role of antiplatelet therapy, specifically aspirin in low-risk patients or as an alternative to oral anticoagulation, remains controversial...
December 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/29177549/different-infarction-patterns-in-patients-with-aortic-atheroma-compared-to-those-with-cardioembolism-or-large-artery-atherosclerosis
#14
Seung Woo Kim, Young Dae Kim, Hyuk-Jae Chang, Geu-Ru Hong, Chi Young Shim, Seok Jong Chung, Jin Yong Hong, Tae-Jin Song, Dongbeom Song, Oh Young Bang, Ji Hoe Heo, Hyo Suk Nam
Aortic atheroma is a known cause of ischemic stroke. However, it is unclear whether ischemic stroke is caused by emboli from aortic atheroma or by accompanying atherosclerosis. In this study, we evaluated lesion patterns of patients with complex aortic plaque (CAP) to assume the underlying pathophysiology. Acute ischemic stroke patients who underwent transesophageal echocardiography were included. CAP was defined as a plaque in the proximal aorta ≥ 4 mm thick or with a mobile component. The diffusion-weighted imaging lesion patterns of patients with CAP were compared to those with large arterial atherosclerosis (LAA) or cardioembolism (CE)...
November 24, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29167390/early-elevated-troponin-levels-after-ischemic-stroke-suggests-a-cardioembolic-source
#15
Shadi Yaghi, Andrew D Chang, Brittany A Ricci, Mahesh V Jayaraman, Ryan A McTaggart, Morgan Hemendinger, Priya Narwal, Katarina Dakay, Brian MacGrory, Shawna M Cutting, Tina M Burton, Christopher Song, Emile Mehanna, Matthew Siket, Tracy E Madsen, Michael Reznik, Alexander E Merkler, Michael P Lerario, Hooman Kamel, Mitchell S V Elkind, Karen L Furie
BACKGROUND AND PURPOSE: Elevated cardiac troponin is a marker of cardiac disease and has been recently shown to be associated with embolic stroke risk. We hypothesize that early elevated troponin levels in the acute stroke setting are more prevalent in patients with embolic stroke subtypes (cardioembolic and embolic stroke of unknown source) as opposed to noncardioembolic subtypes (large-vessel disease, small-vessel disease, and other). METHODS: We abstracted data from our prospective ischemic stroke database and included all patients with ischemic stroke during a 22-month period...
November 22, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29163351/computed-tomography-perfusion-alberta-stroke-program-early-computed-tomography-score-is-associated-with-hemorrhagic-transformation-after-acute-cardioembolic-stroke
#16
Lan Liu, Bo Wu, Jinglong Zhao, Yanyan Cao, Nikita Dedhia, Louis R Caplan, Qiaoshu Wang
Alberta Stroke Program Early Computed Tomography (CT) score (ASPECTS) has been applied to CT perfusion (CTP) with good interrater agreement to predict early ischemic stroke, and it can be useful in decision making in acute ischemic stroke. The aim of the present study was to assess the predictive value of CTP ASPECTS of hemorrhagic transformation (HT) in acute cardioembolic stroke. This is a single-enter, retrospective study. All patients hospitalized with acute cardioembolic stroke from January 2008 to September 2013 were included...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29161693/long-term-outcomes-of-ischemic-stroke-of-undetermined-mechanism-a-population-based-prospective-cohort
#17
Negar Morovatdar, Amanda G Thrift, Moira K Kapral, Réza Behrouz, Hamidreza Saber, Amin Amiri, Mohammad Taghi Farzadfard, Naghmeh Mokhber, Saverio Stranges, Mahmoud Reza Azarpazhooh
BACKGROUND AND PURPOSE: Little is known about the short- and long-term outcomes of ischemic stroke of undetermined mechanism (ISUM). METHODS: Subjects were recruited from the Mashhad Stroke Incidence Study. Ischemic stroke (IS) was classified on the basis of the TOAST criteria. We further categorized patients with ISUM into ISUMneg (negative clinical/test results for large artery, small artery) and ISUMinc (incomplete investigations). Cox proportional hazard models and the competing-risk regression model were used to compare 1 and 5 years mortality (all-causes) and recurrent rate among IS subtypes...
November 21, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/29142621/mechanical-thrombectomy-with-solitaire-stent-retrieval-for-acute-cardioembolic-stroke
#18
Hokyun Han, Hyunho Choi, Keun-Tae Cho, Byong-Cheol Kim
Objective: Few studies have reported the outcome of mechanical thrombectomy with Solitaire stent retrival (MTSR) in subtypes of acute ischemic stroke. The purpose of this study was to evaluate the efficacy and result of MTSR in acute cardioembolic stroke. Methods: Twenty consecutive patients with acute cardioembolic stroke were treated by MTSR. The angiographic outcome was assessed by thrombolysis in cerebral infarction (TICI) grade. TICI grade 2a, 2b, or 3 with a measurable thrombus that was retrieved was considered as a success when MTSR was performed in the site of primary vessel occlusion, and TICI grade 2b or 3 was considered as a success when final result was reported...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29138753/lesion-pattern-mechanisms-and-long-term-prognosis-in-patients-with-monoparetic-stroke-a-comparison-with-nonmonoparetic-stroke
#19
Seung-Jae Lee, Dong-Geun Lee, Hye-Jin Moon, Tae-Kyeong Lee
Background: Monoparetic stroke is rare but could be misdiagnosed as peripheral neuropathy. We investigated the prevalence, lesion pattern, stroke mechanism, and long-term prognosis in patients with monoparetic stroke. Methods: 586 acute ischemic stroke patients (including 31 with monoparesis) were studied. Monoparetic stroke was defined as a motor deficit in either an arm or a leg but without facial weakness or speech disturbance. Median follow-up period was 32...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29131288/mechanisms-of-cardioembolic-stroke-revisited-atrial-cardiopathy
#20
Justyna Mączyńska, Iwona Kurkowska-Jastrzębska, Rafał Dąbrowski
There has been only moderate progress in our understanding of potential relation between atrial arrhythmia and stroke over years. Current approach is still based on a hypothesis that atrial contractile dysfunction due to fibrillation causes blood stasis, which accompanied by other factors acting together as Virchow's triad produces thrombus and embolism to the brain. In this review we would like to discuss a relatively new concept of atrial cardiopathy. It assumes that risk of thromboembolism is increased regardless of atrial rhythm, being largely driven by atrial tissue abnormalities, such as fibrosis, endothelial and myocytes dysfunction and atrial dilatation...
November 13, 2017: Kardiologia Polska
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