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Ischemic stroke

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https://www.readbyqxmd.com/read/28822239/ischemic-stroke-rates-decline-in-patients-with-atrial-fibrillation-as-anticoagulants-uptake-improves-a-swedish-cohort-study
#1
Natalia Mochalina, Nazim Isma, Peter J Svensson, Anders Själander, Maj Carlsson, Tord Juhlin, Mattias Wieloch
INTRODUCTION: The impact of the increased anticoagulants uptake on incidence rate of ischemic stroke is largely unknown. We assessed time trends in rates of ischemic stroke in patients with incident atrial fibrillation (AF) diagnosed between 2011 and 2013. MATERIALS AND METHODS: Population-based retrospective registry study of all 11,500 adults diagnosed with incident non-valvular atrial fibrillation in 2011-2013 in primary and secondary care and receiving oral anticoagulants (n=4847), aspirin (n=2850) or no treatment (n=3766) in Skåne County, Sweden...
August 11, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28821628/frontline-adapt-therapy-to-treat-patients-with-symptomatic-m2-and-m3-occlusions-in-acute-ischemic-stroke-initial-experience-with-the-penumbra-ace-and-3max-reperfusion-system
#2
Jens Altenbernd, Oliver Kuhnt, Svenja Hennigs, Ruediger Hilker, Christian Loehr
BACKGROUND: After a series of positive studies for mechanical thrombectomy in large vessel occlusion acute ischemic stroke, the question remains, can symptomatic patients with distal vessel occlusion benefit from mechanical thrombectomy? PURPOSE: To assess the safety and efficacy of the 3MAX reperfusion system as frontline therapy for M2 and M3 occlusions. METHODS: This study retrospectively collected data on 58 patients treated for M2 and M3 occlusions between January and September 2016...
August 18, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28821377/ischemic-stroke-and-impact-of-thyroid-profile-at-presentation-a-systematic-review-and-meta-analysis-of-observational-studies
#3
Rashmi Dhital, Dilli Ram Poudel, Niranjan Tachamo, Bishal Gyawali, Sijan Basnet, Pragya Shrestha, Paras Karmacharya
BACKGROUND: Stroke is the fifth leading cause of mortality in the United States and a leading cause of disability. A complex relationship between thyroid hormone levels and severity of, and outcome after, stroke has been described. AIM: Our objective is to identify the association between baseline thyroid function profile and outcome after acute ischemic stroke. METHODS: Studies looking at the association between thyroid function and functional stroke outcomes were identified from available electronic databases from inception to December 16, 2016...
August 15, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28821337/intraoperative-cerebral-perfusion-disturbances-during-transcatheter-aortic-valve-replacement
#4
Jonathon P Fanning, Darren L Walters, Allan J Wesley, Chris Anstey, Samuel Huth, Judith Bellapart, Caroline Collard, Ivan L Rapchuk, Sarvesh Natani, Michael Savage, John F Fraser
BACKGROUND: Transcatheter aortic valve replacement entails profound and unavoidable hemodynamic perturbations that may contribute to the neurological injury associated with the procedure. METHODS: Thirty-one patients were monitored with cerebral oximetry as a surrogate marker of perfusion while undergoing transcatheter aortic valve replacement via a transfemoral approach under general anesthesia to detect intraoperative hypoperfusion insult. Serial neurologic, cognitive, and cerebral magnetic resonance imaging assessments were administered to objectively quantify perioperative neurologic injury and ascertain any association with significant cerebral oximetry disturbances...
August 16, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28820880/knock-out-of-a-mitochondrial-sirtuin-protects-neurons-from-degeneration-in-caenorhabditis-elegans
#5
Rachele Sangaletti, Massimo D'Amico, Jeff Grant, David Della-Morte, Laura Bianchi
Sirtuins are NAD⁺-dependent deacetylases, lipoamidases, and ADP-ribosyltransferases that link cellular metabolism to multiple intracellular pathways that influence processes as diverse as cell survival, longevity, and cancer growth. Sirtuins influence the extent of neuronal death in stroke. However, different sirtuins appear to have opposite roles in neuronal protection. In Caenorhabditis elegans, we found that knock-out of mitochondrial sirtuin sir-2.3, homologous to mammalian SIRT4, is protective in both chemical ischemia and hyperactive channel induced necrosis...
August 18, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28820296/long-term-hemodynamic-changes-and-blood-pressure-in-atherosclerotic-major-cerebral-artery-disease
#6
Hiroshi Yamauchi, Shinya Kagawa, Masaaki Takahashi, Tatsuya Higashi
In patients with major cerebral artery disease, lower blood pressure might reduce blood flow in the collateral pathways, thereby impairing the growth of cerebral collaterals, inhibiting hemodynamic improvement. We evaluated the hemodynamic status twice using positron emission tomography and (15)O-gas, over time, in 89 medically treated patients with atherosclerotic internal carotid artery or middle cerebral artery disease that had no ischemic episodes during follow-up (mean, 28 ± 23 months). Changes in the mean hemispheric values of hemodynamic parameters in the territory of the diseased artery at follow-up were correlated with the mean blood pressure values at the baseline and follow-up examinations...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28820284/bnip3l-nix-mediated-mitophagy-protects-against-ischemic-brain-injury-independent-of-park2
#7
Yang Yuan, Yanrong Zheng, Xiangnan Zhang, Ying Chen, Xiaoli Wu, Jiaying Wu, Zhe Shen, Lei Jiang, Lu Wang, Wei Yang, Jianhong Luo, Zhenghong Qin, Weiwei Hu, Zhong Chen
Cerebral ischemia induces massive mitochondrial damage. These damaged mitochondria are cleared, thus attenuating brain injury, by mitophagy. Here, we identified the involvement of BNIP3L/NIX in cerebral ischemia-reperfusion (I-R)-induced mitophagy. Bnip3l knockout (bnip3l(-/-)) impaired mitophagy and aggravated cerebral I-R injury in mice, which can be rescued by BNIP3L overexpression. The rescuing effects of BNIP3L overexpression can be observed in park2(-/-) mice, which showed mitophagy deficiency after I-R...
August 18, 2017: Autophagy
https://www.readbyqxmd.com/read/28820038/comparison-of-clevidipine-and-nicardipine-for-acute-blood-pressure-reduction-in-patients-with-stroke
#8
Teresa A Allison, Stephanie Bowman, Brian Gulbis, Heather Hartman, Sara Schepcoff, Kiwon Lee
OBJECTIVE: The aim of this study was to determine whether clevidipine (CLEV) achieved faster blood pressure control compared to nicardipine (NIC) in patients presenting with either an acute ischemic stroke (AIS) or a spontaneous intracerebral hemorrhage (ICH). METHODS: This was a retrospective, observational, cohort study conducted in patients with AIS or ICH admitted to the emergency department of a Comprehensive Stroke Center from November 2011 to June 2013 who received CLEV or NIC continuous infusion for acute blood pressure management...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28818864/palliative-care-for-hospitalized-patients-with-stroke-results-from-the-2010-to-2012-national-inpatient-sample
#9
Tarvinder Singh, Steven R Peters, David L Tirschwell, Claire J Creutzfeldt
BACKGROUND AND PURPOSE: Substantial variability exists in the use of life-prolonging treatments for patients with stroke, especially near the end of life. This study explores patterns of palliative care utilization and death in hospitalized patients with stroke across the United States. METHODS: Using the 2010 to 2012 nationwide inpatient sample databases, we included all patients discharged with stroke identified by International Classification of Diseases-Ninth Revision codes...
August 17, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28818863/detection-of-left-ventricular-thrombus-by-cardiac-magnetic-resonance-in-embolic-stroke-of-undetermined-source
#10
Junji Takasugi, Hiroshi Yamagami, Teruo Noguchi, Yoshiaki Morita, Tomotaka Tanaka, Yoshinori Okuno, Satoshi Yasuda, Kazunori Toyoda, Yasufumi Gon, Kenichi Todo, Manabu Sakaguchi, Kazuyuki Nagatsuka
BACKGROUND AND PURPOSE: We aimed to use contrast-enhanced cardiac magnetic resonance (CE-CMR) imaging to elucidate the prevalence of left ventricular (LV) thrombus in patients suspected of embolic stroke of undetermined source (ESUS) with previous myocardial infarction or LV dysfunction (LV ejection fraction [LVEF] <50%). METHODS: We prospectively investigated 797 consecutive patients who presented to our hospital with acute ischemic stroke between 2014 and 2015...
August 17, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28818261/contemporary-medical-therapies-of-atherosclerotic-carotid-artery-disease
#11
Suk F Cheng, Martin M Brown
Contemporary medical therapy consists of identification and treatment of all patient-modifiable vascular risk factors. Specific atherosclerotic disease therapies are designed to reduce the risk of thrombosis, and the disease progression in order to reduce the risk of future cardiovascular events. Contemporary medical management emphasizes the need to support the patient in achieving lifestyle modifications and to adjust medication to achieve individualized target values for specific quantifiable risk factors...
March 2017: Seminars in Vascular Surgery
https://www.readbyqxmd.com/read/28818202/risk-of-arterial-thromboembolism-in-patients%C3%A2-with%C3%A2-cancer
#12
Babak B Navi, Anne S Reiner, Hooman Kamel, Costantino Iadecola, Peter M Okin, Mitchell S V Elkind, Katherine S Panageas, Lisa M DeAngelis
BACKGROUND: The risk of arterial thromboembolism in patients with cancer is incompletely understood. OBJECTIVES: The authors aimed to better define this epidemiological relationship, including the effects of cancer stage. METHODS: Using the Surveillance Epidemiology and End Results-Medicare linked database, the authors identified patients with a new primary diagnosis of breast, lung, prostate, colorectal, bladder, pancreatic, or gastric cancer or non-Hodgkin lymphoma from 2002 to 2011...
August 22, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28817502/stroke-related-disease-comorbidity-and-secondary-stroke-prevention-practices-among-young-stroke-survivors
#13
Gayenell S Magwood, Brandi M White, Charles Ellis
BACKGROUND: Although ischemic stroke incidence has been in decline over the past 60 years, the same has not been observed among individuals younger than 55 years. Recent reports have shown a substantial increase in young stroke incidence, yet little is known about young stroke survivors. OBJECTIVE: The aim of this study was to examine the disease comorbidity profile and secondary prevention practices in stroke survivors younger than 50 years. METHODS: This study used a retrospective data analysis of secondary stroke prevention practices among young stroke survivors using data from the 2015 National Health Interview Survey...
August 16, 2017: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/28817120/the-erythropoietin-derived-peptide-mk-x-and-erythropoietin-have-neuroprotective-effects-against-ischemic-brain-damage
#14
Seung-Jun Yoo, Bongki Cho, Deokho Lee, Gowoon Son, Yeong-Bae Lee, Hyung Soo Han, Eunjoo Kim, Chanil Moon, Cheil Moon
Erythropoietin (EPO) has been well known as a hematopoietic cytokine over the past decades. However, recent reports have demonstrated that EPO plays a neuroprotective role in the central nervous system, and EPO has been considered as a therapeutic target in neurodegenerative diseases such as ischemic stroke. Despite the neuroprotective effect of EPO, clinical trials have shown its unexpected side effects, including undesirable proliferative effects such as erythropoiesis and tumor growth. Therefore, the development of EPO analogs that would confer neuroprotection without adverse effects has been attempted...
August 17, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28816542/the-fate-of-asymptomatic-severe-carotid-stenosis-in-the-era-of-best-medical-therapy
#15
Rodolfo Pini, Gianluca Faggioli, Andrea Vacirca, Laura Maria Cacioppa, Enrico Gallitto, Mauro Gargiulo, Andrea Stella
BACKGROUND: Medical therapy for asymptomatic carotid artery stenosis (ACAS) may obviate the carotid revascularization, according to recent literature reports, but many studies also considered moderate carotid artery stenosis (50-69% NASCET). This study reviews the most recent series of ACAS focusing on ipsilateral transient ischemic attack (TIA) stroke and annual risk of stroke in patients with ACAS ≥70%, thereby also evaluating the adherence to best medical therapy (BMT). METHODS: A systematic review consisting of all the series of patients with ACAS being treated medically was performed, which was published after 2005...
August 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28815788/association-between-radioiodine-treatment-for-thyroid-cancer-and-risk-of-stroke
#16
Chun-Yi Lin, Cheng-Li Lin, Yi-Chen Lo, Chia-Hung Kao
BACKGROUND: The purpose of this study was to evaluate the association between radioiodine (I-131) therapy for thyroid cancer and the risk of stroke in Taiwan. METHODS: A total of 10 104 of the patients aged 20 years or older, who were newly diagnosed with thyroid cancer during 2000-2010, were recruited and classified into 2 cohorts according to whether they received I-131 therapy through 1:1 propensity score matching. The cumulative Kaplan-Meier curves for the incidence of stroke in the 2 cohorts were compared using the log-rank test...
August 16, 2017: Head & Neck
https://www.readbyqxmd.com/read/28815654/early-predictors-of-psychosocial-functioning-5-years-after-paediatric-stroke
#17
Mardee Greenham, Vicki Anderson, Anna Cooper, Stephen Hearps, Michael Ditchfield, Lee Coleman, Rod W Hunt, Mark T Mackay, Paul Monagle, Anne L Gordon
AIM: Little is known about psychological and social outcomes after paediatric stroke. This study aimed to evaluate psychosocial outcomes in children 5 years after paediatric stroke and explore the contribution of early presenting factors. METHOD: Thirty-one children (19 males and 12 females) with arterial ischemic stroke were involved in this prospective, longitudinal study. Children underwent intellectual assessment at 12 months poststroke and parents completed questionnaires rating their own mental health and their child's functioning at 12 months and 5 years poststroke...
August 17, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28815625/association-of-transcallosal-motor-fibres-with-function-of-both-hands-after-unilateral-neonatal-arterial-ischemic-stroke
#18
Samuel Groeschel, Lucie Hertz-Pannier, Matthieu Delion, Sébastien Loustau, Béatrice Husson, Manoelle Kossorotoff, Cyrille Renaud, Sylvie Nguyen The Tich, Stéphane Chabrier, Mickael Dinomais
AIM: The objective of this study was to investigate the involvement of the motor fibres of the corpus callosum after unilateral neonatal arterial ischemic stroke (NAIS) of the middle cerebral artery territory and the relationship to both ipsilesional and contralesional hand function. METHOD: Using high-resolution structural magnetic resonance imaging (MRI), functional MRI, and magnetic resonance diffusion-tractography, we compared the midsagittal area of the motor part of the corpus callosum (defined by the fibres connecting the precentral gyri) between 33 7-year-old children after unilateral NAIS and 31 typically developing 7-year-old children...
August 17, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28815313/epidemiology-and-cerebrovascular-events-related-to-cervical-and-intracranial-arteries-dissection-the-experience-of-the-city-of-pisa
#19
N Giannini, L Ulivi, M Maccarrone, V Montano, G Orlandi, E Ferrari, C Cravcenco, U Bonuccelli, M Mancuso
Spontaneous dissection of cervical arteries (sCAD) is a major cause of ischemic stroke in young patients, with an incidence varying from 1.7 to 3/100,000/year for extracranial internal carotid artery (ICAD) and 1 to 1.9/100,000/year for extracranial vertebral artery (VAD). Reliable epidemiological data on stroke incidence related to sCAD are scarce in Italy. This study aims to evaluate the incidence, clinical features, and outcome of cerebrovascular events related to sCAD and spontaneous intracranial arteries dissections (sIAD) in the city of Pisa (Italy)...
August 16, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28815120/integrating-temporal-pattern-mining-in-ischemic-stroke-prediction-and-treatment-pathway-discovery-for-atrial-fibrillation
#20
Shijing Guo, Xiang Li, Haifeng Liu, Ping Zhang, Xin Du, Guotong Xie, Fei Wang
Atrial fibrillation (AF) is associated with an increased risk of acute ischemic stroke (AIS). Accurately predicting AIS and planning effective treatment pathways for AIS prevention are crucial for AF patients. Because of the temporality of patients' disease progressions, sequential disease and treatment patterns have the potential to improve risk prediction performance and contribute to effective treatment pathways. This paper integrates temporal pattern mining into the AF study of AIS prediction and treatment pathway discovery...
2017: AMIA Summits on Translational Science Proceedings
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