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https://www.readbyqxmd.com/read/28523236/left-atrial-size-and-risk-of-recurrent-ischemic-stroke-in-a-chinese-population
#1
Jie Xue, Yuanshao Lin, Wensi Huang, Xiaoli Chen, Qian Li, Zhengyi Cai, Wanli Zhang, Yuansheng Ye, Bei Shao
BACKGROUND: Although a number of studies have reported the role of an increased left atrial (LA) size on stroke, limited data are collected about the relationship between LA enlargement and recurrent ischemic stroke in the Chinese population. Our aim was to assess the association of LA size with the risk of stroke recurrence, particularly with recurrent cardioembolic or cryptogenic stroke in ischemic stroke patients. METHODS: The study recruited 313 consecutive patients with acute first-ever ischemic stroke...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28522230/cortical-microinfarcts-in-patients-with-middle-cerebral-artery-stenosis
#2
Xinyi Leng, Hui Fang, Yuehua Pu, Xinying Zou, Yuesong Pan, Yannie O Y Soo, Yuming Xu, Chunxue Wang, Xingquan Zhao, Yilong Wang, Yongjun Wang, David S Liebeskind, Lawrence K S Wong, Thomas W Leung, Liping Liu
BACKGROUND: Cortical microinfarcts (CMIs) have been correlated to cognitive decline and dementia. It was previously considered only visible on microscope, but was recently reported to be visible on 3.0 Tesla magnetic resonance imaging (MRI) and linked to presence of intracranial stenosis. We aimed to investigate CMIs on 3.0 Tesla MRI in patients with M1 middle cerebral artery (MCA-M1) stenosis. METHODS: Patients with a recent non-cardioembolic ischemic stroke or transient ischemic attack and an atherosclerotic MCA-M1 stenosis were recruited...
May 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28515342/clinical-presentations-and-epidemiology-of-vascular-dementia
#3
REVIEW
Eric E Smith
Cerebrovascular and cardiovascular diseases cause vascular brain injury that can lead to vascular cognitive impairment (VCI). VCI is the second most common neuropathology of dementia and mild cognitive impairment (MCI), accounting for up to one-third of the population risk. It is frequently present along with other age-related pathologies such as Alzheimer's disease (AD). Multiple etiology dementia with both VCI and AD is the single most common cause of later life dementia. There are two main clinical syndromes of VCI: post-stroke VCI in which cognitive impairment is the immediate consequence of a recent stroke and VCI without recent stroke in which cognitive impairment is the result of covert vascular brain injury detected only on neuroimaging or neuropathology...
June 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28505525/thrombin-generation-and-intracranial-atherosclerotic-disease-in-patients-with-a-transient-ischaemic-attack
#4
Elisabetta Favaretto, Michelangelo Sartori, Cristina Legnani, Francesca Rondelli, Michela Cini, Maria Guarino, Benilde Cosmi
BACKGROUND: Intracranial atherosclerotic disease (ICAD) is responsible for at least 10% of transient ischaemic attacks (TIA). Thrombin generation has been shown to be associated with several atherosclerotic conditions and may be relevant in the pathogenesis of TIA from ICAD. OBJECTIVE: To evaluate the association between thrombin generation and ICAD in patients with TIA. MATERIALS AND METHODS: Consecutive patients with confirmed diagnosis of TIA by vascular neurologist were enrolled...
May 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28502918/ability-of-the-ankle-brachial-index-and-brachial-ankle-pulse-wave-velocity-to-predict-the-3-month-outcome-in-patients-with-non-cardioembolic-stroke
#5
Hayato Matsushima, Naohisa Hosomi, Naoyuki Hara, Takeshi Yoshimoto, Shuichiro Neshige, Ryuhei Kono, Takahiro Himeno, Shinichi Takeshima, Kazuhiro Takamatsu, Yutaka Shimoe, Taisei Ota, Hirofumi Maruyama, Toshiho Ohtsuki, Masaru Kuriyama, Masayasu Matsumoto
AIM: Both the ankle brachial index (ABI) and brachial-ankle pulse wave velocity (baPWV) are surrogates for atherosclerosis. In this study, we aimed to evaluate the ability of ABI and baPWV to predict stroke outcome in patients with first-ever non-cardioembolic stroke. METHODS: This study included consecutive patients with first-ever non-cardioembolic stroke admitted within 1 week after onset to Ota Memorial Hospital between January 2011 and December 2013. Baseline characteristics and National Institutes of Health stroke scale scores at admission were noted...
May 15, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28483775/age-specific-vascular-risk-factor-profiles-according-to-stroke-subtype
#6
Allard J Hauer, Ynte M Ruigrok, Ale Algra, Ewoud J van Dijk, Peter J Koudstaal, Gert-Jan Luijckx, Paul J Nederkoorn, Robert J van Oostenbrugge, Marieke C Visser, Marieke J Wermer, L Jaap Kappelle, Catharina J M Klijn
BACKGROUND: Ischemic and hemorrhagic stroke are increasingly recognized as heterogeneous diseases with distinct subtypes and etiologies. Information on variation in distribution of vascular risk factors according to age in stroke subtypes is limited. We investigated the prevalence of vascular risk factors in stroke subtypes in relation to age. METHODS AND RESULTS: We studied a prospective multicenter university hospital-based cohort of 4033 patients. For patients with ischemic stroke caused by large artery atherosclerosis, small vessel disease, or cardioembolism and for patients with spontaneous intracerebral hemorrhage or aneurysmal subarachnoid hemorrhage, we calculated prevalences of vascular risk factors in 4 age groups: <55, 55 to 65, 65 to 75, and ≥75 years, and mean differences with 95% CIs in relation to the reference age group...
May 8, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28468926/atrial-fibrillation-genetic-risk-and-ischemic-stroke-mechanisms
#7
Steven A Lubitz, Owen E Parsons, Christopher D Anderson, Emelia J Benjamin, Rainer Malik, Lu-Chen Weng, Martin Dichgans, Cathie L Sudlow, Peter M Rothwell, Jonathan Rosand, Patrick T Ellinor, Hugh S Markus, Matthew Traylor
BACKGROUND AND PURPOSE: Atrial fibrillation (AF) is a leading cause of cardioembolic stroke, but the relationship between AF and noncardioembolic stroke subtypes are unclear. Because AF may be unrecognized, and because AF has a substantial genetic basis, we assessed for predisposition to AF across ischemic stroke subtypes. METHODS: We examined associations between AF genetic risk and Trial of Org 10172 in Acute Stroke Treatment stroke subtypes in 2374 ambulatory individuals with ischemic stroke and 5175 without from the Wellcome Trust Case-Control Consortium 2 using logistic regression...
May 3, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28465991/the-evolving-role-and-use-of-echocardiography-in-the-evaluation-of-cardiac-source-of-embolism
#8
REVIEW
Fabrizio Celeste, Manuela Muratori, Massimo Mapelli, Mauro Pepi
This report will review the role of echocardiography in the diagnosis of cardiac sources of embolism. Embolism of cardiac origin accounts for around 15%-30% of ischemic strokes. The diagnosis of a cardioembolic source of stroke is frequently uncertain and relies on the identification of a potential cardiac source of embolism in the absence of significant autochthonous cerebrovascular occlusive disease. Transthoracic and/or transesophageal echocardiography serves as a cornerstone in the evaluation, diagnosis, and management of these patients...
April 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28458927/papillary-fibroelastoma-as-a-cause-of-cardiogenic-embolic-stroke-in-a-%C3%AE-thalassemia-patient-case-report-and-literature-review
#9
Re-I Chin, John J Monda, Maulik Sheth, William Ogle, Gloria Merenda, Debapriya De
We describe a case of a young male without stroke risk factors who presented with a sudden onset of left-sided weakness, left hand numbness, and left eye blurriness. CT scan of the head without contrast and diffusion-weighted MRI of the brain with contrast revealed an ischemic stroke in the right middle cerebral artery distribution. Transesophageal echocardiography (TEE) revealed a mobile pedunculated mass on the posterior surface of the mitral valve. This mass was resected and pathology showed a cardiac papillary fibroelastoma (CPFE), which was determined to be the cause of the patient's cardioembolic stroke...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28439774/albumin-induced-neuroprotection-in-focal-cerebral-ischemia-in-the-alias-trial-does-severity-mechanism-and-time-of-infusion-matter
#10
Rakesh Khatri, Mohammad Rauf Afzal, Gustavo J Rodriguez, Alberto Maud, Muhammad Shah Miran, Mohtashim Arbaab Qureshi, Salvador Cruz-Flores, Adnan I Qureshi
OBJECTIVE: To determine whether there is any differential benefit of albumin administration within 2 h of onset of ischemia and in settings (severe ischemia with reperfusion in cardioembolic strokes with National Institutes of Health Stroke Scale [NIHSS] ≥15), most representative of experimental models of cerebral ischemia in which albumin was effective in reducing neurological injury. BACKGROUND: High-dose intravenous (IV) albumin treatment for acute ischemic stroke (ALIAS) trial did not show overall clinical benefit in ischemic stroke patients in contrast to preclinical studies; however, models of preclinical studies were not completely followed...
April 24, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28438866/soluble-urokinase-type-plasminogen-activator-receptor-predicts-all-cause-5-year-mortality-in-ischemic-stroke-and-tia
#11
Juha Onatsu, Mikko Taina, Pirjo Mustonen, Marja Hedman, Antti Muuronen, Otso Arponen, Miika Korhonen, Pekka Jäkälä, Ritva Vanninen, Kari Pulkki
AIM: We evaluated soluble urokinase-type plasminogen activator receptor (suPAR) levels in different stroke subtypes and assessed their prognostic value regarding 5-year outcomes. MATERIALS AND METHODS: The study included 117 stroke patients (81 males; mean=age 61±11 years) with suspected cardioembolic stroke whose plasma suPAR concentration was assessed. Altogether, 20 (17.1%) patients suffered from stroke as a result of cardioembolism, 12 (10.3%) from large-artery atherosclerosis, 9 (7...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28432712/stroke-etiology-and-collaterals-atheroembolic-strokes-have-greater-collateral-recruitment-than-cardioembolic-strokes
#12
L C Rebello, M Bouslama, D C Haussen, J A Grossberg, S Dehkharghani, A Anderson, S R Belagaje, N A Bianchi, M Grigoryan, M R Frankel, R G Nogueira
BACKGROUND AND PURPOSE: Chronic hypoperfusion from athero-stenotic lesions is thought to lead to better collateral recruitment compared to cardioembolic strokes. It was sought to compare collateral flow in stroke patients with atrial fibrillation (AF) versus stroke patients with cervical atherosclerotic steno-occlusive disease (CASOD). METHOD: This was a retrospective review of a prospectively collected endovascular database. Patients with (i) anterior circulation large vessel occlusion stroke, (ii) pre-treatment computed tomography angiography (CTA) and (iii) intracranial embolism from AF or CASOD were included...
April 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28432264/prediction-of-stroke-subtype-and-recanalization-using-susceptibility-vessel-sign-on-susceptibility-weighted-magnetic-resonance-imaging
#13
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...
June 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28428899/watershed-infarct-in-beta-thalassemia-major-patient
#14
Behnaz Ansari, Mohammad Saadatnia, Ali Asghar Okhovat
Background. The mechanism of stroke in beta-thalassemia was reported previously as cardioembolic and hypercoagulable state. However, there is no report of watershed infarct in beta-thalassemia anemia. Method. We present an adult β-thalassemia major patient with manifest asymptomatic chronic left carotid occlusion who suffered watershed infarct. Result. In the presence of asymptomatic chronic left internal carotid occlusion, we assumed that severe anemia (hemoglobin = 3) at admission leads to watershed infarct...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28415082/p210long-term-outcome-of-primary-mitral-valve-prolapse-results-from-a-population-of-250-patients-referred-to-a-tertiary-cardiovascular-center
#15
V Mecarocci, F Mori
Background: Outcome of Mitral Valve Prolapse (MVP) was controversial for long time. Many studies reported great differences in the incidence of cardiovascular events due, above all, to heterogeneous and small studied populations. Most of theme were also published to late '80 of the last century till early '00. Purpose: To make a contemporary survey on the incidence of cardiovascular events in a selected population of patients affected by primary MVP referred to a tertiary cardiovascular center for the medical and surgical care of valvular heart disease...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28409234/clinical-role-of-von-willebrand-factor-in-acute-ischemic-stroke
#16
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/28395781/pharmacological-secondary-prevention-in-patients-with-mesenterial-artery-atherosclerosis-and-arterial-embolism
#17
REVIEW
Anders Gottsäter
Visceral arteries such as the coeliac (CA), superior mesenteric (SMA), and the inferior mesenteric artery (IMA) might be affected by atherosclerotic occlusive lesions with or without thrombosis or embolization causing ischaemic symptoms from the gastrointestinal tract. After treatment of an acute event, these patients should be offered both non-pharmacological and pharmacological secondary prevention to reduce risk for future ischaemic arterial manifestations. Patients with mesenteric ischaemia caused by atherosclerosis should be evaluated concerning platelet antiaggregation with low dose aspirin or clopidogrel, and those with cardioembolic disease should be recommended anticoagulant treatment with either warfarin or one of the direct oral anticoagulants (DOAC; apixaban, dabigatran, edoxaban, or rivaroxaban)...
February 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28392099/cerebrovascular-dissemination-in-time-and-space-as-a-predictor-of-cardioembolism
#18
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/28385516/proximal-bright-vessel-sign-on-arterial-spin-labeling-magnetic-resonance-imaging-in-acute-cardioembolic-cerebral-infarction
#19
Ayumi Kato, Yuki Shinohara, Keita Kuya, Makoto Sakamoto, Hisanori Kowa, Toshihide Ogawa
BACKGROUND: The congestion of spin-labeled blood at large-vessel occlusion can present as hyperintense signals on perfusion magnetic resonance imaging with 3-dimensional pseudo-continuous arterial spin labeling (proximal bright vessel sign). The purpose of this study was to clarify the difference between proximal bright vessel sign and susceptibility vessel sign in acute cardioembolic cerebral infarction. METHODS: Forty-two patients with cardioembolic cerebral infarction in the anterior circulation territory underwent magnetic resonance imaging including diffusion-weighted imaging, 3-dimensional pseudo-continuous arterial spin labeling perfusion magnetic resonance imaging, T2*-weighted imaging, and 3-dimensional time-of-flight magnetic resonance angiography using a 3-T magnetic resonance scanner...
April 3, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28381199/2014-chinese-guidelines-for-secondary-prevention-of-ischemic-stroke-and-transient-ischemic-attack
#20
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
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