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Atrial Flutter

Jin Kyung Hwang, Hye Bin Gwag, Seung-Jung Park, Young Keun On, June Soo Kim, Kyoung-Min Park
BACKGROUND: The clinical significance of atrial premature complexes (APCs) during exercise is unclear. HYPOTHESIS: Frequent APCs during exercise provides prognostic information. METHODS: A total of 998 patients were divided into 2 groups based on the presence of frequent APCs during treadmill testing (>5 beats per stage): the FAPC group (n = 128) vs the non-FAPC group (n = 870). The primary outcome was new-onset atrial fibrillation or flutter (AF/AFL) during follow-up period (356...
April 17, 2018: Clinical Cardiology
Leonardo Liberman, Thomas J Starc, Eric S Silver
A high dose of oral flecainide has been used for acute termination of atrial fibrillation (AF) and atrial flutter or intra-atrial re-entry tachycardia (AFL-IART) in adults. The use of flecainide for these conditions in children has not been well described. We describe our institutional experience on acute termination of AF or AFL-IART in children with a single high dose of oral flecainide in a hospital setting. All patients who received a single high dose of oral flecainide from 2009 to 2016 who were <21 years of age were included...
March 21, 2018: American Journal of Cardiology
Lars Folkestad
Ostegenesis imperfecta (OI) is a hereditary disease of the connective tissue caused by mutations to, mainly, the genes that are involved in the biosynthesis of collagen type 1. Patients are grouped according to clinical severity and mode of inheritance according to Sillence's classification (originally 1979, updated 2014). According to our data, the population prevalence of OI in Denmark was 10.3 per 100,000, with 575 patients registered with an OI diagnosis in the National Patient Register and alive at the end of 2012 out of a total population of 5,602,628 persons...
April 2018: Danish Medical Journal
Marcin Grabowski, Monika Gawałko, Marcin Michalak, Andrzej Cacko, Michał Kowara, Agnieszka Kołodzińska, Łukasz Januszkiewicz, Paweł Balsam, Laura Vitali Serdoz, Joachim Winter, Grzegorz Opolski
BACKGROUND: The recent introduction of an entirely subcutaneous implantable cardioverter-defibrillator (S-ICD) represents an important progress in the defibrillation technology towards a less invasive approach. This is a single-center observational study of S-ICD implantations in Poland. METHODS: The S-ICD was implanted in 11 patients with standard indications for an ICD. Patients in whom the device was implanted were evaluated for adverse events and device function at hospital discharge...
April 3, 2018: Cardiology Journal
Laurent M Haegeli, Linda Stutz, Mohammed Mohsen, Thomas Wolber, Corinna Brunckhorst, Chol-Jun On, Firat Duru
BACKGROUND: Awareness of risks associated with radiation exposure to patients and medical staff has significantly increased. It has been reported before that the use of advanced three-dimensional electro-anatomical mapping (EAM) system significantly reduces fluoroscopy time, however this study aimed for zero or near zero fluoroscopy ablation to assess its feasibility and safety in ablation of atrial fibrillation (AF) and other tachyarrhythmias in a "real world" experience of a single tertiary care center...
April 3, 2018: Cardiology Journal
Dan-Nicolae Tesloianu, Mihaela Chioarta, Dana Corduneanu, Andreea-Mihaela Ignat, Antoniu Octavian Petris, Anda Tesloianu
Localized interlobar effusion in congestive heart failure (known as phantom tumor or vanishing tumor of the lung) is an uncommon entity. We report a case of a 61-year-old man who presented to the Emergency Departament with a two week history of dyspnoea, palpitations, dry cough and intermitent anterior chest pain. A posteroanterior chest radiography showed a nodular mass in the medium third of the right hemithorax suggestive of a pulmonary tumor. With this supposition of diagnosis, the patient was admitted to the Pneumology Departament for further investigations...
December 2017: Mædica
Michael Wu, James Gabriels, Mohammad Khan, Nada Shaban, Salvatore D'Amato, Christopher F Liu, Steven M Markowitz, James E Ip, George Thomas, Parmanand Singh, Bruce Lerman, Apoor Patel, Jim W Cheung
BACKGROUND: Left atrial thrombus (LAT) and dense spontaneous echocardiographic contrast (SEC) detected by transesophageal echocardiography (TEE) in patients on continuous direct oral anticoagulants (DOAC) therapy before catheter ablation of atrial fibrillation (AF) or atrial flutter (AFL) have been described. OBJECTIVE: We sought to compare rates of TEE-detected LAT and dense SEC among patients taking different DOACs. METHODS: We evaluated 609 consecutive patients from 3 tertiary hospitals (median age 65 years; interquartile range 58-71 years; 436 (72%) men) who were on ≥4 weeks of continuous DOAC therapy (dabigatran, n = 166 [27%]; rivaroxaban, n = 257 [42%]; or apixaban, n = 186 [31%]) undergoing TEE before catheter ablation of AF/AFL...
April 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Ivo Roca-Luque, Nuria Rivas-Gándara, Laura Dos-Subirà, Jaume Francisco-Pascual, Antònia Pijuan-Domenech, Jordi Pérez-Rodon, Alba Santos-Ortega, Ferran Roses-Noguer, Ignacio Ferreira-Gonzalez, David García-Dorado García, Angel Moya Mitjans
BACKGROUND: Intra-atrial re-entrant tachycardia (IART) in patients with congenital heart disease (CHD) increases morbidity and mortality. Radiofrequency catheter ablation has evolved as the first-line treatment. The aim of this study was to analyze the acute success and to identify predictors of failed IART radiofrequency catheter ablation in CHD. METHODS AND RESULTS: The observational study included all consecutive patients with CHD who underwent a first ablation procedure for IART at a single center from January 2009 to December 2015 (94 patients, 39...
March 30, 2018: Journal of the American Heart Association
Philippe Taghji, Milad El Haddad, Thomas Phlips, Michael Wolf, Sebastien Knecht, Yves Vandekerckhove, Rene Tavernier, Hiroshi Nakagawa, Mattias Duytschaever
OBJECTIVES: This study sought to evaluate the safety and the acute and 1 year outcomes of an ablation protocol aiming to enclose the PV with a contiguous and optimized RF circle by targeting region-specific criteria for lesion depth assessed by ablation index and interlesion distance. BACKGROUND: Reconnections after pulmonary vein (PV) isolation are explained by insufficient lesion depth and/or discontiguity of radiofrequency (RF) lesions. METHODS: A total of 130 consecutive patients with paroxysmal atrial fibrillation (AF) underwent PV encircling using a contact force-sensing catheter...
January 2018: JACC. Clinical Electrophysiology
Bart Maesen, Laurent Pison, Mindy Vroomen, Justin G Luermans, Kevin Vernooy, Jos G Maessen, Harry J Crijns, Mark La Meir
OBJECTIVES: The single-step hybrid atrial fibrillation (AF) ablation procedure combines a transvenous endocardial and thoracoscopic epicardial approach in 1 procedure. Short-term results are encouraging, but long-term outcome data are not available. METHODS: Hybrid AF ablation was successfully performed in 64 consecutive patients (53% with persistent AF). The mean follow-up period was 1732 ± 353 days. Perprocedural endocardial touch-up of incomplete epicardial lesions was performed in 17 (26%) patients...
April 1, 2018: European Journal of Cardio-thoracic Surgery
J William Schleifer, Kevin K Manocha, Samuel J Asirvatham, Peter A Noseworthy, Rajiv Gulati, Paul A Friedman, Malini Madhavan, Thomas M Munger, Leslie T Cooper, Guy S Reeder, David R Holmes, Suraj Kapa
In patients with unexplained cardiomyopathy, electroanatomical mapping can identify abnormal tissue to target during electrophysiology-guided endomyocardial biopsy (EP-guided EMB). The objective of this study is to determine whether catheter ablation performed in the same setting as EP-guided EMB increases procedural risk. Sixty-seven patients (mean age 54.4 ± 13.8, 57% male) undergoing EP-guided EMB were included. Radiofrequency catheter ablation was performed in 17 patients (25%) for ventricular arrhythmias and in 2 (3%) for typical atrial flutter...
March 5, 2018: American Journal of Cardiology
João Mesquita, António Miguel Ferreira, Diogo Cavaco, Pedro Carmo, Márcio Madeira, Pedro Freitas, Francisco Moscoso Costa, Francisco Morgado, Miguel Mendes, Pedro Adragão
INTRODUCTION: PVI is a well-established therapy for patients with drug refractory atrial fibrillation (AF). However, it remains unclear whether prophylactic cavotricuspid isthmus (CTI) ablation at the time of PVI improves long-term freedom from AF. OBJECTIVE: To compare the outcomes of patients who underwent PVI alone vs. PVI + prophylactic CTI ablation. METHODS: Propensity score (PS) matching analysis based on a registry dataset of 1931 consecutive patients who underwent a first AF catheter ablation...
May 15, 2018: International Journal of Cardiology
Adrien Moreau, Alexandre Janin, Gilles Millat, Philippe Chevalier
Aims: Cardiac atrial arrhythmias are the most common type of heart rhythm disorders. Its genetic elucidation remains challenging with poor understanding of cellular and molecular processes. These arrhythmias usually affect elderly population but in rare cases, young children may also suffer from such electrical diseases. Severe complications, including stroke, are commonly age related. This study aims to identify a genetic link between electro-mechanic atrial dysfunction and stroke in children...
March 22, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Leonidas Palaiodimos, Damianos G Kokkinidis, Robert T Faillace, T Raymond Foley, George D Dangas, Matthew J Price, Ioannis Mastoris
BACKGROUND: Patients with history of cryptogenic stroke are more likely to have a patent foramen ovale (PFO) and should be managed with antithrombotic agents, while the alternative option is percutaneous closure of PFOs. Our aim was to perform a meta-analysis of randomized controlled trials (RCTs) comparing percutaneous closure vs. medical treatment for patients with PFO and prior cryptogenic stroke. METHODS: Medline, Scopus and Cochrane databases were reviewed...
March 2, 2018: Cardiovascular Revascularization Medicine: Including Molecular Interventions
Dieudonné Gnonlonfoun, Constant Adjien, Ronald Gnimavo, Gérard Goudjinou, Corine Hotcho, Jennifer Nyangui Mapaga, Arlos Sowanou, Pupchen Gnigone, Rodrigue Domingo, Dismand Houinato
INTRODUCTION: Poor access to cardiovascular checkups is a major cause of ignorance of embolic heart diseases as the etiology for ischemic stroke. OBJECTIVE: Study ischemic strokes due to embolic heart diseases and their associated factors. METHOD: It was a cross-sectional, prospective, descriptive and analytical study conducted from November 1, 2014 to August 31, 2015 on 104 patients with ischemic stroke confirmed through brain imaging. Embolic heart diseases included arrhythmia due to atrial fibrillation (AF), atrial flutter, myocardial infarction (MI), heart valve diseases and atrial septal aneurysm (ASA)...
April 15, 2018: Journal of the Neurological Sciences
Alexander Romanov, Evgeny Pokushalov, Sevda Bayramova, Dmitry Ponomarev, Vitaliy Shabanov, Denis Losik, Ilya Stenin, Dmitry Elesin, Igor Mikheenko, Jonathan S Steinberg
INTRODUCTION: The PREVENT AF I study demonstrated that prophylactic pulmonary vein isolation (PVI) in patients with pure typical atrial flutter (AFL) resulted in substantial reduction of new onset atrial fibrillation (AF) during 1-year follow-up as assessed by continuous implantable cardiac monitor (ICM). The objective of this study was to assess 3-year outcomes. METHODS AND RESULTS: Fifty patients with documented AFL were randomized to either cavotricuspid isthmus (CTI) ablation alone (n = 25) or CTI with concomitant PVI (n = 25)...
March 23, 2018: Journal of Cardiovascular Electrophysiology
Taihei Itoh, Yukihiko Yoshida, Itsuro Morishima, Takumi Yamada
PURPOSE: Focal atrial tachycardias (ATs) from the septal cavotricuspid isthmus (CTI) occurring after successful CTI ablation can mimic typical atrial flutter (tAFL). This study investigated the incidence, and electrocardiographic and electrophysiological characteristics of these ATs. METHODS: Among 1082 consecutive patients undergoing successful CTI ablation without any congenital heart diseases, 7 were diagnosed with focal ATs originating from the septal CTI that occurred a median of 74 days after the CTI ablation...
March 22, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
Linda B Thompson, Michael C Kurz
No abstract text is available yet for this article.
March 2018: Western Journal of Emergency Medicine
David R Vinson, E Margaret Warton, Dustin G Mark, Dustin W Ballard, Mary E Reed, Uli K Chettipally, Nimmie Singh, Sean Z Bouvet, Bory Kea, Patricia C Ramos, David S Glaser, Alan S Go
Introduction: Many patients with atrial fibrillation or atrial flutter (AF/FL) who are high risk for ischemic stroke are not receiving evidence-based thromboprophylaxis. We examined anticoagulant prescribing within 30 days of receiving dysrhythmia care for non-valvular AF/FL in the emergency department (ED). Methods: This prospective study included non-anticoagulated adults at high risk for ischemic stroke (ATRIA score ≥7) who received emergency AF/FL care and were discharged home from seven community EDs between May 2011 and August 2012...
March 2018: Western Journal of Emergency Medicine
Jes M Sanders, Alexandra B Steverson, Anna E Pawlowski, Daniel Schneider, Chad J Achenbach, Donald M Lloyd-Jones, Matthew J Feinstein
BACKGROUND: Human Immunodeficiency Virus-Infected (HIV+) persons have elevated risks for various manifestations of cardiovascular disease (CVD). No studies to our knowledge have compared atrial fibrillation (AF) and atrial flutter (AFL) prevalence and associated characteristics for HIV+ persons and matched uninfected controls. METHODS AND FINDINGS: Persons with diagnoses of HIV receiving care at a large urban academic medical center were frequency-matched 1:2 on age, sex, race, zip code, and clinic location with uninfected persons...
2018: PloS One
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