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Transient ischemic stroke

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https://www.readbyqxmd.com/read/28919819/migraine-and-risk-of-stroke-and-acute-coronary-syndrome-in-two-case-control-studies-in-the-danish-population
#1
Merete Osler, Ida Kim Wium-Andersen, Martin Balslev Jørgensen, Terese Sara Høj Jørgensen, Marie Kim Wium-Andersen
INTRODUCTION: Migraine has consistently been associated with increased risk of ischemic stroke, while the evidence for a relation with other types of stroke or coronary outcomes is limited. We examined the association between migraine and stroke and acute coronary syndrome (ACS) subtypes and the influence of potential confounding factors. METHODS: All first-time hospital contacts for stroke (n=155,216) or ACS (n=97,799) were identified in Danish National Patient Registers and matched with 2 control groups of the background population...
2017: Clinical Epidemiology
https://www.readbyqxmd.com/read/28917562/an-updated-meta-analysis-of-novel-oral-anticoagulants-versus-vitamin-k-antagonists-for-uninterrupted-anticoagulation-in-atrial-fibrillation-catheter-ablation
#2
Rhanderson Cardoso, Leonardo Knijnik, Aditya Bhonsale, Guilherme Nasi, Manuel Rivera, Vanessa Blumer, Hugh Calkins
BACKGROUND: Catheter ablation is recommended as a first or second-line rhythm control therapy for selected patients with atrial fibrillation (AF). There is a wide variability in the periprocedural management of oral anticoagulation for patients undergoing AF ablation. OBJECTIVE: We aimed to perform an updated meta-analysis of novel oral anticoagulants (NOACs) vs. vitamin K antagonists (VKAs) as uninterrupted anticoagulation for patients undergoing AF ablation. METHODS: Databases and conference abstracts were searched...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28916673/radiographic-and-clinical-brain-infarcts-in-cardiac-and-diagnostic-procedures-a-systematic-review-and-meta-analysis
#3
Sung-Min Cho, Abhishek Deshpande, Vinay Pasupuleti, Adrian V Hernandez, Ken Uchino
BACKGROUND AND PURPOSE: The incidence of periprocedural brain infarcts varies among cardiovascular procedures. In a systematic review, we compared the ratio of radiographic brain infarcts (RBI) to strokes and transient ischemic attacks across cardiac and vascular procedures. METHODS: We searched MEDLINE and 5 other databases for brain infarcts in aortic valve replacement, coronary artery bypass grafting, cardiac catheterization, and cerebral angiogram through September 2015...
September 15, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28915444/age-and-composite-end-point-events-in-medium-follow-up-of-patients-with-carotid-artery-total-occlusion-using-drug-therapy
#4
Huai Wu Yuan, Ren Jie Ji, An Ge Wang, Ya Jie Lin, Han Feng Chen, Zi Qi Xu, Zhi Yi Peng, Ben Yan Luo
BACKGROUND AND AIMS: The outcome of carotid artery total occlusion (CATO) is unclear. The aim of this study is to report the medium incidence of composite end-point events and risk factors (especially age), in patients with CATO, treated medically. METHODS: This was a single center retrospective study. Composite end-point events included death, ischemic stroke, transient ischemic attack, hemorrhagic stroke, myocardial infarction, or angina. Logistic regression analysis was used to analyze risk factors of composite end-point events...
September 6, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28913351/adequate-platelet-function-inhibition-confirmed-by-two-inductive-agents-predicts-lower-recurrence-of-ischemic-stroke-transient-ischemic-attack
#5
Lulu Zhang, Xiaowei Hu, Juehua Zhu, Xiuying Cai, Yan Kong, Hui Wang, Shanshan Diao, Hongru Zhao, Jianhua Jiang, Dapeng Wang, Quanquan Zhang, Yiren Qin, Wei Yue, Qi Fang
BACKGROUND: The correlation between platelet function and recurrent ischemic stroke or TIA remains uncertain. OBJECTIVE: To investigate two inductive agents to detect platelet functions and assess associations with recurrent ischemic stroke/TIA. METHOD: The study included 738 ischemic stroke/TIA patients. On days 0, 3, and 9 after antiplatelet therapy, platelet function tests were determined by maximum aggregation rate (MAR) using a PL-11 platelet function analyzer and phase matching reagents...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28912645/anti-inflammatory-effect-of-glucagon-like-peptide-1-receptor-agonist-exendin-4-through-modulation-of-ib1-jip1-expression-and-jnk-signaling-in-stroke
#6
Soojin Kim, Jaewon Jeong, Hye-Seon Jung, Bokyung Kim, Ye-Eun Kim, Da-Sol Lim, So-Dam Kim, Yun Seon Song
Glucagon like peptide-1 (GLP-1) stimulates glucose-dependent insulin secretion. Dipeptidyl peptidase-4 (DPP-4) inhibitors, which block inactivation of GLP-1, are currently in clinical use for type 2 diabetes mellitus. Recently, GLP-1 has also been reported to have neuroprotective effects in cases of cerebral ischemia. We therefore investigated the neuroprotective effects of GLP-1 receptor (GLP-1R) agonist, exendin-4 (ex-4), after cerebral ischemia-reperfusion injury. Transient middle cerebral artery occlusion (tMCAO) was induced in rats by intracerebroventricular (i...
August 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/28912200/development-and-validation-of-electronic-quality-measures-to-assess-care-for-patients-with-transient-ischemic-attack-and-minor-ischemic-stroke
#7
Dawn M Bravata, Laura J Myers, Eric Cheng, Mathew Reeves, Fitsum Baye, Zhangsheng Yu, Teresa Damush, Edward J Miech, Jason Sico, Michael Phipps, Alan Zillich, Jason Johanning, Seemant Chaturvedi, Curt Austin, Jared Ferguson, Bailey Maryfield, Kathy Snow, Susan Ofner, Glenn Graham, Rachel Rhude, Linda S Williams, Greg Arling
BACKGROUND: Despite interest in using electronic health record (EHR) data to assess quality of care, the accuracy of such data is largely unknown. We sought to develop and validate transient ischemic attack and minor ischemic stroke electronic quality measures (eQMs) using EHR data. METHODS AND RESULTS: A random sample of patients with transient ischemic attack or minor ischemic stroke, cared for in Veterans Health Administration facilities (fiscal year 2011), was identified...
September 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28911268/apathy-not-depressive-symptoms-as-a-predictor-of-semantic-and-phonemic-fluency-task-performance-in-stroke-and-transient-ischemic-attack
#8
Keera N Fishman, Andrea R Ashbaugh, Krista L Lanctôt, Megan L Cayley, Nathan Herrmann, Brian J Murray, Michelle Sicard, Karen Lien, Demetrios J Sahlas, Richard H Swartz
OBJECTIVES: This study examined the relationship between apathy and cognition in patients with cerebrovascular disease. Apathy may result from damage to frontal subcortical circuits causing dysexecutive syndromes, but apathy is also related to depression. We assessed the ability of apathy to predict phonemic fluency and semantic fluency performance after controlling for depressive symptoms in 282 individuals with stroke and/or transient ischemic attack. METHOD: Participants (N = 282) completed the Phonemic Fluency Test, Semantic Fluency Test, Center for Epidemiologic Studies Depression Scale, and Apathy Evaluation Scale...
September 15, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28906206/anatomical-characteristics-of-the-styloid-process-in-internal-carotid-artery-dissection-case-control-study
#9
José M Amorim, Daniela Pereira, Marta G Rodrigues, José Beato-Coelho, Margarida Lopes, André Cunha, Sofia Figueiredo, Mafalda Mendes-Pinto, Carla Ferreira, João Sargento-Freitas, Sérgio Castro, João Pinho
Introduction Pathophysiology of cervical artery dissection is complex and poorly understood. In addition to well-known causative and predisposing factors, including major trauma and monogenic connective tissue disorders, morphological characteristics of the styloid process have been recently recognized as a possible risk factor for cervical internal carotid artery dissection. Aims To study the association of the anatomical characteristics of styloid process with internal carotid artery dissection. Methods Retrospective, multicenter, case-control study of patients with internal carotid artery dissection and age- and sex-matched controls...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28904234/fibrin-clot-permeability-as-a-predictor-of-stroke-and-bleeding-in-anticoagulated-patients-with-atrial-fibrillation
#10
Leszek Drabik, Paweł Wołkow, Anetta Undas
BACKGROUND AND PURPOSE: Formation of denser fiber networks has been reported in atrial fibrillation and ischemic stroke. In this longitudinal cohort study, we evaluated whether fibrin clot density may predict thromboembolic and bleeding risk in patients with atrial fibrillation on vitamin K antagonists. METHODS: In 236 patients with atrial fibrillation receiving vitamin K antagonists treatment, we measured ex vivo plasma clot permeability (Ks), a measure of the pore size in fibrin networks...
September 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28902807/external-validation-of-pooled-cohort-risk-equations-to-predict-1-year-clinical-outcome-in-ischemic-stroke-patients
#11
Haiyan Li, Runhua Zhang, Gaifen Liu, Liping Liu, Yilong Wang, Yongjun Wang
BACKGROUND The present study aimed to validate the pooled cohort risk (PCR) equations in a Chinese ischemic stroke population and to explore its prognostic value in predicting stroke recurrence, coronary heart disease, and vascular death. MATERIAL AND METHODS Patients were selected from the China National Stroke Registry. The C statistic was used to examine the clinical prediction of the scores. To analyze the relevant risk factors, univariate and multivariate logistic regressions were performed. RESULTS Out of a total of 22 216 patients, 8287 patients (including 7652 acute ischemic stroke [AIS] and 635 transient ischemic attack [TIA] patients) were selected and enrolled in the study...
September 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28899866/subacute-endovascular-recanalization-of-symptomatic-cerebral-artery-occlusion-a-propensity-score-matched-analysis
#12
Sang Hun Lee, Dae Chul Suh, Su Hee Cho, Jae Jon Sheen, Deok Hee Lee, Jong S Kim
BACKGROUND: The interval between the onset of cerebral vessel occlusion and recanalization has been shown to be an independent predictor of poor outcomes. However, endovascular recanalization of symptomatic cerebral vessel occlusion in the subacute period has not been well documented. We investigated the safety and efficacy of subacute recanalization of occluded cerebral vessels in patients with ischemic stroke or transient ischemic attacks (TIAs). METHODS: Between 2014 and 2015, 98 patients were admitted to the emergency room for ischemic stroke or TIA with a small infarct core, which was defined as modest early ischemic change on non-contrast CT or overt diffusion-perfusion mismatch...
September 12, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28899525/restless-legs-syndrome-after-high-risk-tia-and-minor-stroke-association-with-reduced-quality-of-life
#13
Mark I Boulos, Anthony Wan, Sandra E Black, Andrew S Lim, Richard H Swartz, Brian J Murray
BACKGROUND: Restless legs syndrome (RLS) is a movement disorder that is associated with poor quality of life and depressive symptoms in the general population. Emerging evidence suggests that RLS is closely associated with cerebrovascular disease. We assessed the effect of RLS on quality of life after stroke and transient ischemic attack (TIA). METHODS: In this single-center prospective study, we recruited patients within 14 days of high-risk TIA or minor stroke...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28895771/platelet-reactivity-adjusted-antiplatelet-therapy-in-patients-with-percutaneous-coronary-intervention-a-meta-analysis-of-randomized-controlled-trials
#14
Zhenhua Xing, Liang Tang, Zhaowei Zhu, Jiabing Huang, Xiaofan Peng, Xinqun Hu
Numerous number of evidences show that high on-treatment platelet reactivity is a well-known risk factor for adverse events in patients after percutaneous coronary intervention (PCI). Controversial situations still exist regarding the effectiveness of tailoring antiplatelet therapy according to platelet function monitoring. The PubMed, Embase, and Cochrane Central databases were searched for randomized trials comparing platelet reactivity-adjusted antiplatelet therapy with conventional antiplatelet therapy in patients undergoing PCI...
September 12, 2017: Platelets
https://www.readbyqxmd.com/read/28894414/hemodynamic-perturbations-in-deep-brain-stimulation-surgery-first-detailed-description
#15
Tumul Chowdhury, Marshall Wilkinson, Ronald B Cappellani
Background: Hemodynamic perturbations can be anticipated in deep brain stimulation (DBS) surgery and may be attributed to multiple factors. Acute changes in hemodynamics may produce rare but severe complications such as intracranial bleeding, transient ischemic stroke and myocardium infarction. Therefore, this retrospective study attempts to determine the incidence of hemodynamic perturbances (rate) and related risk factors in patients undergoing DBS surgery. Materials and Methods: After institutional approval, all patients undergoing DBS surgery for the past 10 years were recruited for this study...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28893572/reduced-severity-of-outcome-of-recurrent-ipsilateral-transient-cerebral-ischemia-compared-with-contralateral-transient-cerebral-ischemia-in-rats
#16
Chenyu Fan, Li Zhang, Zhijie He, Peng Shao, Li Ding, Guili Wang, Wenxiu Niu, Jie Jia
BACKGROUND: To investigate whether prior transient ischemic attack (TIA) had a preconditioning effect on subsequent cerebral infarction in a rat model using middle cerebral artery occlusion (MCAO). METHODS: Thirty-six adult male Sprague-Dawley rats were divided into 3 groups: those with transient (5 minutes) left MCAO (left TIA) (n = 15), those with transient right MCAO (right TIA) (n = 15), and a sham operation group (n = 6). Seven days after the initial transient MCAO, rats in all groups underwent permanent left MCAO...
September 8, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28889789/blood-pressure-evolution-in-young-patients-with-acute-ischemic-stroke-a-new-model-for-understanding-the-natural-course-of-spontaneous-hypertension
#17
Pablo Bonardo, Fatima Pantiu, Anibal Chertcoff, Luciana Leon Cejas, Sol Pacha, Claudia Uribe Roca, Glenda Ernst, Manuel Fernandez Pardal, Ricardo Reisin
BACKGROUND: Approximately 80% of patients suffering an acute ischemic stroke develop transient hypertension. The physiopathological mechanism remains unclear. Due to the lack of vascular risk factors, young adults could be a useful model for understanding blood pressure (BP) evolution in this setting. METHODS: Patients between 18-55 years old admitted with an acute ischemic stroke were included. BP was evaluated during the following 48 h. Hypertension was defined as: systolic blood pressure (SBP) ≥ 140 mmHg or diastolic blood pressure (DBP) ≥ 90 mmHg...
September 9, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28888042/effect-of-a-multinutrient-intervention-after-ischemic-stroke-in-female-c57bl-6-mice
#18
Maximilian Wiesmann, Nienke M Timmer, Bastian Zinnhardt, Dirk Reinhard, Sarah Eligehausen, Anja Königs, Hasnae Ben Jeddi, Pieter J Dederen, Andreas H Jacobs, Amanda J Kiliaan
Stroke can affect females very differently from males, and therefore preclinical research on underlying mechanisms and the effects of interventions should not be restricted to male subjects, and treatment strategies for stroke should be tailored to benefit both sexes. Previously, we demonstrated that a multinutrient intervention (Fortasyn) improved impairments after ischemic stroke induction in male C57Bl/6 mice, but the therapeutic potential of this dietary treatment remained to be investigated in females...
September 9, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28886009/tau-mediated-iron-export-prevents-ferroptotic-damage-after-ischemic-stroke
#19
Q-Z Tuo, P Lei, K A Jackman, X-L Li, H Xiong, X-L Li, Z-Y Liuyang, L Roisman, S-T Zhang, S Ayton, Q Wang, P J Crouch, K Ganio, X-C Wang, L Pei, P A Adlard, Y-M Lu, R Cappai, J-Z Wang, R Liu, A I Bush
Functional failure of tau contributes to age-dependent, iron-mediated neurotoxicity, and as iron accumulates in ischemic stroke tissue, we hypothesized that tau failure may exaggerate ischemia-reperfusion-related toxicity. Indeed, unilateral, transient middle cerebral artery occlusion (MCAO) suppressed hemispheric tau and increased iron levels in young (3-month-old) mice and rats. Wild-type mice were protected by iron-targeted interventions: ceruloplasmin and amyloid precursor protein ectodomain, as well as ferroptosis inhibitors...
September 8, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28884653/smartphone-electrographic-monitoring-for-atrial-fibrillation-in-acute-ischemic-stroke-and-transient-ischemic-attack
#20
Hans T Tu, Ziyuan Chen, Corey Swift, Leonid Churilov, Ruibing Guo, Xinfeng Liu, Jim Jannes, Vincent Mok, Ben Freedman, Stephen M Davis, Bernard Yan
Rationale Paroxysmal atrial fibrillation is a common and preventable cause of devastating strokes. However, currently available monitoring methods, including Holter monitoring, cardiac telemetry and event loop recorders, have drawbacks that restrict their application in the general stroke population. AliveCor™ heart monitor, a novel device that embeds miniaturized electrocardiography (ECG) in a smartphone case coupled with an application to record and diagnose the ECG, has recently been shown to provide an accurate and sensitive single lead ECG diagnosis of atrial fibrillation...
October 2017: International Journal of Stroke: Official Journal of the International Stroke Society
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