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Atrial fibrillation stroke

Konstadinos Plestis, Oleg Orlov, Vishal N Shah, Joshua Wong, Matthew Thomas, Alon Aharon, Cinthia Orlov, Georgia Panagopoulos, Scott Goldman
OBJECTIVES: Minimally invasive aortic valve replacement (MIAVR) can be technically demanding and may lead to prolonged operative time. We evaluated the intraoperative and postoperative patient outcomes following implementation of 2 facilitating technologies (FT) in MIAVR: the Cor-Knot titanium fastener and Custodiol-histidine-tryptophan-ketoglutarate solution. METHODS: A total of 299 patients underwent MIAVR from 2008 to 2016; 172 (57.5%) patients were included in the FT group and 127 (42...
March 14, 2018: Interactive Cardiovascular and Thoracic Surgery
Lisette Wintgens, Aleksandr Romanov, Karen Phillips, Gabriel Ballesteros, Martin Swaans, Richard Folkeringa, Ignacio Garcia-Bolao, Evgeny Pokushalov, Lucas Boersma
Aims: Long-term freedom from atrial fibrillation (AF) after catheter ablation (CA) and consequently the potential for stroke reduction remain unpredictable. Percutaneous left atrial appendage closure (LAAC) is an effective mechanical alternative to oral anticoagulation (OAC) for stroke prevention in AF patients. This study aims to evaluate long-term clinical results of combined CA and LAAC in one single procedure. Methods and results: Patients with non-valvular AF who underwent combined CA and LAAC procedure were included in the retrospective compilation of independent prospective general LAAC registries at the individual centres...
March 13, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Cheng Jin, Jianjiang Feng, Lei Wang, Heng Yu, Jiang Liu, Jiwen Lu, Jie Zhou
In this paper, we present an approach for left atrial appendage (LAA) multi-phase fast segmentation and quantitative assisted diagnosis of atrial fibrillation (AF) based on 4D-CT data. We take full advantage of the temporal dimension information to segment the living, flailed LAA based on a parametric max-flow method and graph-cut approach to build 3-D model of each phase. To assist the diagnosis of AF, we calculate the volumes of 3-D models, and then generate a "volume-phase" curve to calculate the important dynamic metrics: ejection fraction, filling flux, and emptying flux of the LAA's blood by volume...
March 9, 2018: Computers in Biology and Medicine
William F McIntyre, David Conen, Brian Olshansky, Jonathan L Halperin, Emil Hayek, Menno V Huisman, Gregory Y H Lip, Shihai Lu, Jeff S Healey
BACKGROUND: Antithrombotic prophylaxis with oral anticoagulation (OAC) substantially reduces stroke and mortality in patients with atrial fibrillation (AF). HYPOTHESIS: Analysis of data in GLORIA-AF, an international, observational registry of patients with newly-diagnosed AF, can identify factors associated with treatment decisions and outcomes. METHODS: Multivariable regression identified patient, physician, and temporal factors associated with OAC prescription, versus management with antiplatelet drugs or no antithrombotic drugs in North American patients enrolled between November 2011 and February 2014...
March 15, 2018: Clinical Cardiology
S Arques
Cardiovascular diseases are the leading cause of death worldwide. Conceptually, endothelial dysfunction, inflammatory status and oxidative stress are at the forefront in the onset and development of most cardiovascular diseases, particularly coronary artery disease and heart failure. Serum albumin, the most abundant plasma protein, has many physiological properties, including anti-inflammatory, antioxidant and antiplatelet aggregation activity. It also plays an essential role in the fluid exchange across the capillary membrane...
March 12, 2018: Annales de Cardiologie et D'angéiologie
Eva Gerdts, Raffaele Izzo, Costantino Mancusi, Maria Angela Losi, Maria Virginia Manzi, Grazia Canciello, Nicola De Luca, Bruno Trimarco, Giovanni de Simone
BACKGROUND: In general, women have lower risk for cardiovascular disease. We tested whether this sex-specific protection persists also in the presence of hypertensive left ventricular hypertrophy (LVH). METHODS: 12,329 women and men with hypertension and free from prevalent cardiovascular disease enrolled in the prospective Campania Salute Network registry were followed over a median of 4.1years. Subjects were grouped according to the absence or the presence of LVH identified by echocardiography using validated sex-specific cut-off values of LV mass index (>47g/m2...
May 1, 2018: International Journal of Cardiology
Pil Hyung Lee, Jae-Kwan Song, Jong S Kim, Ran Heo, Sahmin Lee, Dae-Hee Kim, Jong-Min Song, Duk-Hyun Kang, Sun U Kwon, Dong-Wha Kang, Dongwhane Lee, Hyuk Sung Kwon, Sung-Cheol Yun, Byung Joo Sun, Jae-Hyeong Park, Jae-Hwan Lee, Hye Seon Jeong, Hee-Jung Song, Jei Kim, Seung-Jung Park
BACKGROUND: Recent reports showing the favorable role of patent foramen ovale (PFO) closure in patients with cryptogenic stroke have raised the issue of selecting optimal candidates. OBJECTIVES: We evaluated whether the benefits of PFO closure can be determined based on the morphologic characteristics of the PFO, as evaluated by transesophageal echocardiography. METHODS: Patients with cryptogenic stroke and high-risk PFO were divided between a transcatheter PFO closure and a medication-only group...
February 28, 2018: Journal of the American College of Cardiology
Hua Gao, Xiaolong Sun, Wen Li, Qiong Gao, Jing Zhang, Yi Zhang, Yue Ma, Xiai Yang, Xiaogang Kang, Wen Jiang
Objective Stroke due to atrial fibrillation (AF) is common and frequently devastating. However, there is no specific tool to accurately estimate the risk of mortality. This study aims to develop and validate a comprehensive risk score for predicting 30-day mortality in the patients with AF-related stroke. Methods A retrospective multi-center clinical study was performed based on the data from the project of secondary prevention of stroke in patients with nonvalvular AF in Shaanxi province, China. A total of 1077 consecutive patients were randomly classified into derivation (66...
March 16, 2018: Neurological Research
Alexander Buchholz, Laura Ueberham, Kaja Gorczynska, Borislav Dinov, Sebastian Hilbert, Nikolaos Dagres, Daniela Husser, Gerhard Hindricks, Andreas Bollmann
BACKGROUND: Apixaban is a non-vitamin K oral anticoagulant and has been approved for prevention of stroke and systemic embolism in patients with non-valvular atrial fibrillation (AF). Current labelling recommends dose reduction based on patients age, weight and renal function. OBJECTIVES: The aim of this study was to analyze adherence to current labeling instructions concerning initial apixaban dosing in clinical practice and to identify factors associated with inappropriate dose reduction...
March 15, 2018: Clinical Cardiology
Sylvie Perreault, Payman Shahabi, Robert Côté, Stéphanie Dumas, Étienne Rouleau-Mailloux, Yassamin Feroz Zada, Sylvie Provost, Ian Mongrain, Marc Dorais, Thao Huynh, Simon Kouz, Ariel Diaz, Mark Blostein, Simon de Denus, Jacques Turgeon, Jeffrey Ginsberg, Jacques Lelorier, Lyne Lalonde, Lambert Busque, Jeannine Kassis, Mario Talajic, Jean-Claude Tardif, Marie-Pierre Dubé
BACKGROUND: Over- and under-coagulation with warfarin is associated with hemorrhagic and thromboembolic events, respectively. Genetic and clinical factors affect warfarin response, and the causes of this variability remain unclear. We present descriptive statistics and test for predictors of poor anticoagulation control. METHODS: The Quebec Warfarin Cohort (QWC) comprises 1,059 new warfarin users, with prospective follow up using telephone questionnaires every 3 months for one year, and using healthcare administrative databases (RAMQ and Med-Echo) for 5-year prior to cohort entry and up to 10-years following active patient participation...
March 15, 2018: Clinical Cardiology
Emmanuel Teiger, Jean-Benoit Thambo, Pascal Defaye, Jean-Sylvain Hermida, Sélim Abbey, Didier Klug, Jean-Michel Juliard, Jean-Luc Pasquie, Gilles Rioufol, Antoine Lepillier, Meyer Elbaz, Jerome Horvilleur, Philippe Brenot, Bertrand Pierre, Philippe Le Corvoisier
BACKGROUND: Percutaneous left atrial appendage (LAA) closure is an emerging option for patients with atrial fibrillation at high risk for cerebrovascular events. The multicenter FLAAC registry (French Nationwide Observational LAA Closure Registry) was established to assess LAA closure outcomes in everyday practice. METHODS AND RESULTS: Four hundred thirty-six patients referred from April 2013 to September 2015 to 33 French interventional cardiology centers for percutaneous LAA closure were included prospectively in the FLAAC registry...
March 2018: Circulation. Cardiovascular Interventions
Emma L Veale, Adrian J Stewart, Alistair Mathie, Satvinder K Lall, Melanie Rees-Roberts, Vilius Savickas, Sukvinder K Bhamra, Sarah A Corlett
INTRODUCTION: Atrial fibrillation (AF) affects >6% of people aged 65 years or older. Left undetected and untreated, patients may develop significant cardiovascular complications and have a fivefold increased risk of suffering a stroke. For 40% of all sufferers, AF can be asymptomatic. Every year in the UK, £2.2 billion is spent on AF-related strokes, so there is an urgent need to improve early detection of AF. This study aims to determine the feasibility of using trained clinical pharmacists based in general practices, to screen for AF, using pulse palpation and a single-lead ECG device on participants aged 65 years or older, attending influenza vaccination clinics...
March 14, 2018: BMJ Open
Arnaud Bisson, Alexandre Bodin, Nicolas Clementy, Anne Bernard, Dominique Babuty, Gregory Y H Lip, Laurent Fauchier
AIMS: We compared thromboembolic (TE) and bleeding risks in patients with atrial fibrillation (AF) according to the new 'Evaluated Heartvalves, Rheumatic or Artificial' (EHRA) valve classification. METHODS: Patients were divided into 3 categories: (i) EHRA type 1 corresponds to the previous 'valvular' AF patients, with either rheumatic mitral valve stenosis or mechanical prosthetic heart valves; (ii) EHRA type 2 includes AF patients with other valvular heart disease (VHD) and valve bioprosthesis or repair; and (iii) 'non-VHD controls' i...
March 7, 2018: International Journal of Cardiology
Markus Kneihsl, Christian Enzinger, Kurt Niederkorn, Gerit Wünsch, Lisa Müller, Valeriu Culea, Andreas Lueger, Franz Fazekas, Thomas Gattringer
BACKGROUND: Stroke has become a treatable condition with increasing evidence of treatment benefits in older people. However, stroke mimics in geriatric patients are especially prevalent, causing incorrect suspicion and consecutive burden to patients and emergency room resources. We therefore examined the dimension of this problem by investigating emergency room admissions from nursing homes for suspected stroke. METHODS: We performed a retrospective cohort study of all nursing home residents who were admitted to the neurological emergency room of our primary and tertiary care university hospital between 2013 and 2015...
March 14, 2018: Cerebrovascular Diseases
Paolo Di Giosia, Paolo Giorgini, Claudio Ferri
No abstract text is available yet for this article.
February 2018: Journal of Cardiovascular Medicine
Matej Samoš, Tomáš Bolek, Lucia Stančiaková, Ingrid Škorňová, Peter Bánovčin, František Kovář, Ján Staško, Peter Galajda, Peter Kubisz, Marián Mokáň
: The number of patients with nonvalvular atrial fibrillation (NV-AF) who require long-term anticoagulation and also have a higher risk of bleeding is increasing. Recently, there is no information regarding real on-treatment anti-Xa activity in patients with NV-AF and a higher risk of bleeding who receive oral factor Xa inhibitors. The aim of this study was to determine trough and peak anti-Xa activity in these patients. This single-centre pilot study enrolled 41 patients with NV-AF and a higher risk of bleeding defined as Hypertension, Abnormal Renal/Liver Function, Stroke, Bleeding History or Predisposition, Labile INR, Elderly, Drugs/Alcohol Concomitantly score at least 3 points...
March 13, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
I Indurawa, E Amis, N Hannon, K Khadjooi
Background Atrial fibrillation is a major risk factor for ischaemic stroke. We investigated whether active screening for atrial fibrillation in secondary care, followed by careful evaluation of risk factors and communication to general practitioners from stroke specialists, could increase appropriate anticoagulation prescription. Methods Between 1/9/14 and 28/2/15 all acute medical admissions were screened for atrial fibrillation at Cambridge University Hospital. Individualised letters were sent to the general practitioners of patients who it was felt would benefit from anticoagulation...
December 2017: Journal of the Royal College of Physicians of Edinburgh
Hooman Kamel, Traci M Bartz, Mitchell S V Elkind, Peter M Okin, Evan L Thacker, Kristen K Patton, Phyllis K Stein, Christopher R deFilippi, Rebecca F Gottesman, Susan R Heckbert, Richard A Kronmal, Elsayed Z Soliman, W T Longstreth
BACKGROUND AND PURPOSE: Emerging evidence suggests that an underlying atrial cardiopathy may result in thromboembolism before atrial fibrillation (AF) develops. We examined the association between various markers of atrial cardiopathy and the risk of ischemic stroke. METHODS: The CHS (Cardiovascular Health Study) prospectively enrolled community-dwelling adults ≥65 years of age. For this study, we excluded participants diagnosed with stroke or AF before baseline...
March 13, 2018: Stroke; a Journal of Cerebral Circulation
Evan D Muse, Nathan E Wineinger, Emily G Spencer, Melissa Peters, Riley Henderson, Yunyue Zhang, Paddy M Barrett, Steven P Rivera, Jay G Wohlgemuth, James J Devlin, Dov Shiffman, Eric J Topol
BACKGROUND: Atrial fibrillation (AF) is the most commonly encountered arrhythmia and is associated with an elevated risk of stroke. Improving the identification of patients with the highest risk for AF to enable appropriate surveillance and treatment, if necessary, is critical to reducing AF-associated morbidity and mortality. Multiple common single nucleotide polymorphisms (SNPs) are unequivocally associated with the lifetime risk of AF. In the current study we aimed to prospectively validate an AF genetic risk score (GRS) in previously undiagnosed patients at risk for AF...
March 2018: PLoS Medicine
Lars O Karlsson, Staffan Nilsson, Magnus Bång, Lennart Nilsson, Emmanouil Charitakis, Magnus Janzon
BACKGROUND: Atrial fibrillation (AF) is associated with substantial morbidity, in particular stroke. Despite good evidence for the reduction of stroke risk with anticoagulant therapy, there remains significant undertreatment. The main aim of the current study was to investigate whether a clinical decision support tool (CDS) for stroke prevention integrated in the electronic health record could improve adherence to guidelines for stroke prevention in patients with AF. METHODS AND FINDINGS: We conducted a cluster-randomized trial where all 43 primary care clinics in the county of Östergötland, Sweden (population 444,347), were randomized to be part of the CDS intervention or to serve as controls...
March 2018: PLoS Medicine
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