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atrial fibrillation guidelines

Benjamin A Steinberg
Atrial fibrillation (AF) is the most common cardiac arrhythmia, and conveys a significant risk of morbidity and mortality due to related stroke and systemic embolism. Oral anticoagulation (OAC) is the mainstay of thromboembolism prevention and management of anticoagulation can be challenging. For patients without significant valvular disease, decisions around anticoagulation therapy are first based on the presence of additional stroke risk factors, as measured by the CHA2DS2-VASc score. Patients with increased CHA2DS2-VASc scores (by regional guidelines) should next be evaluated to determine if they are candidates for non-vitamin K antagonist oral anticoagulant (NOAC) therapy...
October 25, 2016: Blood
Pupalan Iyngkaran, Samia R Toukhsati, Merlin C Thomas, Michael V Jelinek, David L Hare, John D Horowitz
BACKGROUND: Beta-blockers (BBs) are the mainstay prognostic medication for all stages of chronic heart failure (CHF). There are many classes of BBs, each of which has varying levels of evidence to support its efficacy in CHF. However, most CHF patients have one or more comorbid conditions such as diabetes, renal impairment, and/or atrial fibrillation. Patient enrollment to randomized controlled trials (RCTs) often excludes those with certain comorbidities, particularly if the symptoms are severe...
2016: Clinical Medicine Insights. Cardiology
C Narasimhan, Jagmohan Singh Verma, A G Ravi Kishore, Balbir Singh, Sameer Dani, Kamaldeep Chawala, Azizul Haque, Aftab Khan, Mohan Nair, Amit Vora, V Rajasekhar, Joy M Thomas, Anoop Gupta, Ajay Naik, V S Prakash, Lisa Naditch, P Gabriel Steg
BACKGROUND: Atrial fibrillation (AF) is the most common sustained arrhythmia with high risk for many cardiovascular (CV) complications. Adherence to recommended management guidelines is important to avoid complications. In India, there is little knowledge on how AF is managed in real world. METHODS: This is a cross-sectional study of patients in India enrolled in RealiseAF survey between February 2010 and March 2010 with a diagnosis of AF within the last 12 months...
September 2016: Indian Heart Journal
Zixiao Li, Chunjuan Wang, Xingquan Zhao, Liping Liu, Chunxue Wang, Hao Li, Haipeng Shen, Li Liang, Janet Bettger, Qing Yang, David Wang, Anxin Wang, Yuesong Pan, Yong Jiang, Xiaomeng Yang, Changqing Zhang, Gregg C Fonarow, Lee H Schwamm, Bo Hu, Eric D Peterson, Ying Xian, Yilong Wang, Yongjun Wang
BACKGROUND AND PURPOSE: Stroke is a leading cause of death in China. Yet the adherence to guideline-recommended ischemic stroke performance metrics in the past decade has been previously shown to be suboptimal. Since then, several nationwide stroke quality management initiatives have been conducted in China. We sought to determine whether adherence had improved since then. METHODS: Data were obtained from the 2 phases of China National Stroke Registries, which included 131 hospitals (12 173 patients with acute ischemic stroke) in China National Stroke Registries phase 1 from 2007 to 2008 versus 219 hospitals (19 604 patients) in China National Stroke Registries phase 2 from 2012 to 2013...
October 6, 2016: Stroke; a Journal of Cerebral Circulation
Matthew L Maciejewski, Xiaojuan Mi, Lesley H Curtis, Judy Ng, Samuel C Haffer, Bradley G Hammill
BACKGROUND: Despite the persistence of significant disparities, few evaluations examine disparities in laboratory testing by race/ethnicity, age, sex, Medicaid eligibility, and number of chronic conditions for Medicare fee-for-service beneficiaries' newly prescribed medications. In Medicare beneficiaries initiating diuretics or digoxin, this study examined disparities in guideline-appropriate baseline laboratory testing and abnormal laboratory values. METHODS AND RESULTS: To evaluate guideline-concordant testing for serum creatinine and serum potassium within 180 days before or 14 days after the index prescription fill date, we constructed retrospective cohorts from 10 states of 99 711 beneficiaries who had heart failure or hypertension initiating diuretic in 2011 and 8683 beneficiaries who had heart failure or atrial fibrillation initiating digoxin...
October 18, 2016: Circulation. Cardiovascular Quality and Outcomes
Ömer Erküner, Roy Claessen, Ron Pisters, Germaine Schulmer, Roos Ramaekers, Laura Sonneveld, Elton Dudink, Theo Lankveld, Ione Limantoro, Bob Weijs, Laurent Pison, Yuri Blaauw, Cees B de Vos, Harry Jgm Crijns
BACKGROUND: Patients undergoing elective electrical cardioversion (ECV) for atrial fibrillation have a temporarily increased risk of thromboembolism. Current guidelines recommend adequate anticoagulation for ≥3 consecutive weeks precardioversion, i.e. consecutive INR values 2.0-3.0 in patients with vitamin K antagonists (VKA). We aimed to evaluate the occurrence and impact of subtherapeutic INRs precardioversion and to study factors associated with these unwanted fluctuations. METHODS: We recruited 346 consecutive patients undergoing elective ECV in the Maastricht University Medical Centre between 2008 and 2013...
October 11, 2016: International Journal of Cardiology
Michael L James, Margueritte Cox, Ying Xian, Eric E Smith, Deepak L Bhatt, Phillip J Schulte, Adrian Hernandez, Gregg C Fonarow, Lee H Schwamm
BACKGROUND: Compared to ischemic stroke, sex differences in response to intracerebral hemorrhage (ICH) are largely unexplored, and their potential interactions with patient age have not been examined. This study hypothesized that risk for poor outcome is greater in women with increasing age. METHODS AND RESULTS: The Get With The Guidelines(®)-Stroke database was used to assess differences between men and women with ICH. Data from 192,826 ICH patients admitted from January 1, 2009 through March 31, 2014 to 1,728 fully participating sites were analyzed using logistic regression to test interactions between age/sex and outcome...
October 18, 2016: Journal of Women's Health
Jürgen Bohlender, Jürg Nussberger, Beate Bohlender
OBJECTIVE: In elderly hypertensive patients, systolic blood pressure (sBP) goals recommended by US and European guidelines (ESH) for the initiation of treatment are more liberal than in younger patients because of an increased risk of treatment-associated side-effects and hypotension. Carotid stenosis increases with age and poses a risk of brain ischemia if hypotension occurs. Its relevance for the routine care of elderly hypertensives, however, remains unclear. We analyzed data on precerebral artery morphology and BP evolution from a survey of aged hospitalized patients...
September 2016: Journal of Hypertension
Özcan Başaran, Volkan Dogan, Osman Beton, Mehmet Tekinalp, Ahmet Cağri Aykan, Ezgi Kalaycioğlu, Ismail Bolat, Onur Taşar, Özgen Şafak, Macit Kalcik, Mehmet Yaman, Sinan İnci, Bernas Altintaş, Sedat Kalkan, Cevat Kirma, Murat Biteker
This study aimed to investigate the potential misuse of novel oral anticoagulants (NOACs) and the physicians' adherence to current European guideline recommendations in real-world using a large dataset from Real-life Multicenter Survey Evaluating Stroke Prevention Strategies in Turkey (RAMSES Study).RAMSES study is a prospective, multicenter, nationwide registry ( identifier NCT02344901). In this subgroup analysis of RAMSES study, patients who were on NOACs were classified as appropriately treated (AT), undertreated (UT), and overtreated (OT) according to the European Society of Cardiology (ESC) guidelines...
August 2016: Medicine (Baltimore)
Michał Mazurek, Menno V Huisman, Gregory Y H Lip
BACKGROUND: Recent improvements in atrial fibrillation diagnosis and management have prompted the initiation of various registries, predominantly to assess adherence to new guidelines, but also to address the pending questions of safety and effectiveness of newly introduced management options in 'real world' clinical practice settings. In this review we appraise antithrombotic treatment patterns for stroke prevention in atrial fibrillation registries. METHODS AND RESULTS: We searched PubMed, Science Direct and the Cochrane databases for registries focusing on stroke thromboprophylaxis in atrial fibrillation...
October 13, 2016: American Journal of Medicine
Sotirios Nedios, Emmanuel Koutalas, Philipp Sommer, Arash Arya, Sascha Rolf, Daniela Husser, Andreas Bollmann, Gerhard Hindricks, Ole-Alexander Breithardt
AIMS: The association between anatomical left atrial (LA) remodelling and ventricular diastolic dysfunction (DD) in atrial fibrillation (AF) patients is not well studied. We aimed to examine the effect of DD on anatomic LA remodelling and their relation with ablation outcomes. METHODS AND RESULTS: In 104 patients (58 ± 10 years, 69% male) referred for AF ablation, LA volume (LAV) was determined by computed tomography. A cutting plane, between the pulmonary vein (PV) ostia and the appendage and parallel to the posterior wall, divided LAV into anterior- (LA-A) and posterior-LA parts...
October 12, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Joris Komen, Tomas Forslund, Paul Hjemdahl, Morten Andersen, Björn Wettermark
AIMS: To assess the effect of policy interventions, i.e. reimbursement decisions, guidelines, and regional recommendations, on the prescribing of oral anticoagulant treatment in patients with atrial fibrillation (AF). METHODS: Interrupted time series analyses using monthly data on all patients with a recorded diagnosis of AF newly initiated (both switchers and anticoagulant naïve patients) on either warfarin, dabigatran, rivaroxaban or apixaban in the Stockholm region from April 2011 until February 2016...
October 11, 2016: British Journal of Clinical Pharmacology
Flemming Javier Olsen, Litten Bertelsen, Martina Chantal de Knegt, Thomas Emil Christensen, Niels Vejlstrup, Jesper Hastrup Svendsen, Jan Skov Jensen, Tor Biering-Sørensen
Several cardiac imaging modalities are able to visualize the left atrium (LA) and, therefore, allow for quantification of both structural and functional properties of this cardiac chamber. In echocardiography, only the maximal LA volume is included in the assessment of diastolic function at the current moment. Numerous studies, however, have shown that functional measures may be superior to the maximal LA volume in several aspects and to possess clinical value even in the absence of structural abnormalities...
October 2016: Circulation. Cardiovascular Imaging
Igor Diemberger, Giulia Massaro, Maria Letizia Bacchi Reggiani, Stefano Lorenzetti, Mauro Biffi, Matteo Ziacchi, Cristian Martignani, Giuseppe Boriani
Dronedarone was found to have divergent safety profiles in randomized controlled trials (RCT) in term of cardiac death and overall mortality. We decided to evaluate all available evidence on the cardiovascular safety of this drug. A systematic search was made of the MEDLINE and the Cochrane Central Register of Controlled Trials from January 2003 through April 2016 for RCT comparing dronedarone to placebo/active control, to provide the most accurate estimate of the effects of this agent and observational cohort studies (OBS) reporting clinical outcomes in patients treated with dronedarone, according to current guidelines, to obtain a real-life comparator for the findings summarized by RTC analysis...
October 6, 2016: Current Pharmaceutical Design
Federico Guerra, Lorena Scappini, Alessandro Maolo, Gianluca Campo, Rita Pavasini, Matilda Shkoza, Alessandro Capucci
BACKGROUND: Stroke is a rare but serious complication of acute coronary syndrome. At present, no specific score exists to identify patients at higher risk. The aim of the present study is to test whether each clinical variable included in the CHA2DS2-VASc score retains its predictive value in patients with recent acute coronary syndrome, irrespective of atrial fibrillation. METHODS: The meta-analysis was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and Meta-analysis of Observational Studies in Epidemiology (MOOSE) guidelines...
October 5, 2016: European Heart Journal. Acute Cardiovascular Care
Zach Rozenbaum, Avishay Elis, Mony Shuvy, Dina Vorobeichik, Nir Shlomo, Meital Shlezinger, Ilan Goldenberg, Oded Kimhi, David Pereg
BACKGROUND: The CHA2DS2-VASc score has been recommended for the assessment of thromboembolic risk in patients with atrial fibrillation. HYPOTHESIS: The CHA2DS2-VASc score may be associated with adverse outcomes in patients with ACS. METHODS: Included were patients with ACS enrolled in the Acute Coronary Syndrome Israeli biennial Surveys (ACSIS) during 2000-2013. Patients were divided into 4 groups according to their CHA2DS2-VASc score (0 or 1, 2 or 3, 4 or 5, and >5)...
October 1, 2016: European Journal of Internal Medicine
Navkaranbir S Bajaj, Rajat Kalra, Nirav Patel, Taimoor Hashim, Hemant Godara, Sameer Ather, Garima Arora, Tilak Pasala, Thomas T Whitfield, David C McGiffin, Mustafa I Ahmed, Steven G Lloyd, Nita A Limdi, Pankaj Arora
BACKGROUND: Multiple novel oral anticoagulants and left atrial appendage closure devices (WATCHMAN) have been tested against dose-adjusted vitamin K antagonists in randomized controlled trials for stroke prophylaxis in non-valvular atrial fibrillation. No direct comparisons of these strategies are available from randomized controlled trials. We conducted the current analyses by combining efficacy and safety characteristics of all FDA approved stroke prophylaxis treatment strategies for patients with non-valvular atrial fibrillation...
2016: PloS One
E Pandya, B V Bajorek
WHAT IS KNOWN AND OBJECTIVE: The importance of 'shared decision-making' is much emphasized in recent clinical guidelines regarding stroke management in atrial fibrillation (AF), more so following the inclusion of non-vitamin K oral anticoagulants (NOACs) among the treatment options. It is important that patients are navigated through balanced and unbiased information about the available treatment options, so as to understand the risk and benefits associated with the therapies, and to enable them to accordingly communicate their concerns and views with their clinicians prior to therapy selection...
October 5, 2016: Journal of Clinical Pharmacy and Therapeutics
Emanuel Raschi, Matteo Bianchin, Walter Ageno, Roberto De Ponti, Fabrizio De Ponti
Since 2008, the direct-acting oral anticoagulants (DOACs) have expanded the therapeutic options of cardiovascular diseases with recognized clinical and epidemiological impact, such as non-valvular atrial fibrillation (NVAF) and venous thromboembolism (VTE), and also in the preventive setting of orthopedic surgical patients. The large body of evidence, not only from pivotal clinical trials but also from 'real-world' postmarketing observational findings (e.g. analytical epidemiological studies and registry data) gathered to date allow for a first attempt at verifying a posteriori whether or not the pharmacological advantages of the DOACs actually translate into therapeutic innovation, with relevant implications for clinicians, regulators and patients...
October 1, 2016: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
Reed A Siemieniuk, Thomas Agoritsas, Veena Manja, Tahira Devji, Yaping Chang, Malgorzata M Bala, Lehana Thabane, Gordon H Guyatt
OBJECTIVE:  To examine the effect of transcatheter aortic valve implantation (TAVI) versus surgical replacement of an aortic valve (SAVR) in patients with severe aortic stenosis at low and intermediate risk of perioperative death. DESIGN:  Systematic review and meta-analysis DATA SOURCES:  Medline, Embase, and Cochrane CENTRAL. STUDY SELECTION:  Randomized trials of TAVI compared with SAVR in patients with a mean perioperative risk of death <8%...
September 28, 2016: BMJ: British Medical Journal
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