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supraventricular arrhythmias

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https://www.readbyqxmd.com/read/29776964/arrhythmias-in-adult-patients-with-congenital-heart-disease-and-pulmonary-arterial-hypertension
#1
Maria Drakopoulou, Heba Nashat, Aleksander Kempny, Rafael Alonso-Gonzalez, Lorna Swan, Stephen J Wort, Laura C Price, Colm McCabe, Tom Wong, Michael A Gatzoulis, Sabine Ernst, Konstantinos Dimopoulos
OBJECTIVES: Approximately 5%-10% of adults with congenital heart disease (CHD) develop pulmonary arterial hypertension (PAH), which affects life expectancy and quality of life. Arrhythmias are common among these patients, but their incidence and impact on outcome remains uncertain. METHODS: All adult patients with PAH associated with CHD (PAH-CHD) seen in a tertiary centre between 2007 and 2015 were followed for new-onset atrial or ventricular arrhythmia. Clinical variables associated with arrhythmia and their relation to mortality were assessed using Cox analysis...
May 18, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29759619/catheter-ablation-for-cardiac-arrhythmias-utilization-and-in-hospital-complications-2000-to-2013
#2
Seyed Mohammadreza Hosseini, Guy Rozen, Ahmed Saleh, Jeena Vaid, Yitschak Biton, Kasra Moazzami, E Kevin Heist, Moussa C Mansour, M Ihsan Kaadan, Mark Vangel, Jeremy N Ruskin
OBJECTIVES: This study sought to investigate the utilization of and in-hospital complications in patients undergoing catheter ablation in the United States from 2000 to 2013 by using the National Inpatient Sample and Nationwide Inpatient Sample. BACKGROUND: Catheter ablation has become a mainstay in the treatment of a wide range of cardiac arrhythmias. METHODS: This study identified patients 18 years of age and older who underwent inpatient catheter ablation from 2000 to 2013 and had 1 primary diagnosis of any of the following arrhythmias: atrial fibrillation, atrial flutter, supraventricular tachycardia, or ventricular tachycardia...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759488/neuromuscular-disorders-and-the-role-of-the-clinical-electrophysiologist
#3
REVIEW
Haisam Ismail, Elizabeth Raynor, Peter Zimetbaum
Cardiac involvement is common and may be the presenting or predominant manifestation in a variety of neuromuscular disorders, most notably the inherited muscle disorders, or muscular dystrophies. Cardiac manifestations of the neuromuscular disorders result from pathological involvement of the myocardium and the cardiac conduction system, with resulting cardiomyopathy or rhythm disturbances including supraventricular arrhythmias, life-threatening ventricular arrhythmias, and sudden cardiac death. Many of these neuromuscular disorders are rare and may be unrecognized by even experienced specialists in internal and cardiovascular medicine...
October 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29752389/pregnancy-in-women-with-a-fontan-circulation-a-systematic-review-of-the-literature
#4
Alvaro Garcia Ropero, Shankar Baskar, Jolien W Roos Hesselink, Andrea Girnius, Dominica Zentner, Lorna Swan, Magalie Ladouceur, Nicole Brown, Gruschen R Veldtman
BACKGROUND: The Fontan operation has provided life-saving palliation and adult survival for individuals born with single ventricle physiology. Many now seek advice about safe pregnancy. Little data are, however, available, consisting mainly of anecdotal experience and small series. This article seeks to review the published literature and identify lessons learnt from this collective experience. METHODS AND RESULTS: We conducted a systematic review to evaluate maternal and fetal outcomes of pregnancy in women with a Fontan circulation...
May 2018: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29752376/effects-of-prolonged-spaceflight-on-atrial-size-atrial-electrophysiology-and-risk-of-atrial-fibrillation
#5
Htet W Khine, Katarina Steding-Ehrenborg, Jeffrey L Hastings, Jamie Kowal, James D Daniels, Richard L Page, Jeffery J Goldberger, Jason Ng, Beverley Adams-Huet, Michael W Bungo, Benjamin D Levine
BACKGROUND: The prevalence of atrial fibrillation (AF) in active astronauts is ≈5%, similar to the general population but at a younger age. Risk factors for AF include left atrial enlargement, increased number of premature atrial complexes, and certain parameters on signal-averaged electrocardiography, such as P-wave duration, root mean square voltage for the terminal 20 ms of the signal-averaged P wave, and P-wave amplitude. We aimed to evaluate changes in atrial structure, supraventricular beats, and atrial electrophysiology to determine whether spaceflight could increase the risk of AF...
May 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29734666/cardiac-arrhythmia-classification-by-multi-layer-perceptron-and-convolution-neural-networks
#6
Shalin Savalia, Vahid Emamian
The electrocardiogram (ECG) plays an imperative role in the medical field, as it records heart signal over time and is used to discover numerous cardiovascular diseases. If a documented ECG signal has a certain irregularity in its predefined features, this is called arrhythmia, the types of which include tachycardia, bradycardia, supraventricular arrhythmias, and ventricular, etc. This has encouraged us to do research that consists of distinguishing between several arrhythmias by using deep neural network algorithms such as multi-layer perceptron (MLP) and convolution neural network (CNN)...
May 4, 2018: Bioengineering
https://www.readbyqxmd.com/read/29730348/epicardial-intraoperative-3-d-mapping-of-wolff-parkinson-white-in-a-child-with-ebstein-s-anomaly
#7
James C Perry, Andras Bratincsak, Suzanne Shepard, Matthew R Williams, Joseph Loslo, Raghav Murthy, John J Lamberti
Catheter ablation of arrhythmias in small patients has inherent significant risk due to patient, catheter, and lesion size. Heart block, perforation and coronary damage may occur. This report shows adaptation of a 3-D electroanatomic mapping system for intraoperative use in a small patient with Ebstein's anomaly undergoing Cone procedure and bidirectional Glenn. Use of this technique gave clear identification of the epicardial insertion points of two accessory pathways causing Wolff-Parkinson-White and resistant episodes of supraventricular tachycardia...
May 3, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29721674/use-of-the-wearable-cardioverter-defibrillator-wcd-and-wcd-based-remote-rhythm-monitoring-in-a-real-life-patient-cohort
#8
Maura M Zylla, Henrike A K Hillmann, Tanja Proctor, Meinhard Kieser, Eberhard Scholz, Edgar Zitron, Hugo A Katus, Dierk Thomas
The wearable cardioverter-defibrillator (WCD) was introduced to provide protection from sudden cardiac death (SCD) in patients with transiently elevated risk or during ongoing risk stratification. Benefits and clinical characteristics of routine WCD use remain to be assessed in larger patient populations. This study aims to identify determinants of WCD compliance, therapies, and inappropriate alarms in a real-life cohort. A total of 106 cases (68.9% male) were included between 11/2010 and 04/2016. WCD therapies, automatically recorded arrhythmia episodes, inappropriate WCD alarms, patient compliance, and outcome after WCD prescription were analyzed...
May 2, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29703454/wide-complex-tachycardia-discrimination-using-dynamic-time-warping-of-ecg-beats
#9
F Niknejad Mazandarani, M Mohebbi
BACKGROUND AND OBJECTIVE: Automatic processing and accurate diagnosis of wide complex tachycardia (WCT) arrhythmia groups using electrocardiogram signals (ECG) remains a challenge. WCT arrhythmia consists of two main groups: ventricular tachycardia (VT) and supraventricular tachycardia with aberrancy (SVT-A). These two groups have similar morphologies in the realm of ECG signals. VT and SVT-A arrhythmias originate from the ventricle and atrium, respectively. Hence, inaccurate diagnosis of SVT-A instead of VT can be fatal...
April 20, 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29698683/anticancer-drug-induced-cardiac-rhythm-disorders-current-knowledge-and-basic-underlying-mechanisms
#10
REVIEW
Joachim Alexandre, Javid Moslehi, Kevin R Bersell, Christian Funck-Brentano, Dan M Roden, Joe-Elie Salem
Significant advances in cancer treatment have resulted in decreased cancer related mortality for many malignancies with some cancer types now considered chronic diseases. Despite these improvements, there is increasing recognition that many cancer patients or cancer survivors can develop cardiovascular diseases, either due to the cancer itself or as a result of anticancer therapy. Much attention has focused on heart failure; however, other cardiotoxicities, notably cardiac rhythm disorders, can occur without underlying cardiomyopathy...
April 24, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29680382/phenotypic-description-of-cardiac-findings-in-a-population-of-dogue-de-bordeaux-with-an-emphasis-on-atrial-fibrillation
#11
G McAulay, K Borgeat, J Sargent, P Mõtsküla, J Neves, J Dukes-McEwan, V Luis Fuentes
The aim of this study was to describe the clinical phenotype of Dogue de Bordeaux (DdB) referred for cardiac investigation, with particular reference to the prevalence of atrial fibrillation and associated features. Review of canine medical records of two United Kingdom veterinary referral hospitals identified 64 DdB with available echocardiographic and electrocardiographic (ECG)/Holter data. Atrial fibrillation was documented in 25 (39%) dogs and supraventricular tachycardia was recorded in five (7.8%) dogs...
April 2018: Veterinary Journal
https://www.readbyqxmd.com/read/29679302/association-of-abnormal-serum-potassium-levels-with-arrhythmias-and-cardiovascular-mortality-a-systematic-review-and-meta-analysis-of-observational-studies
#12
REVIEW
Liesa K Hoppe, Dana C Muhlack, Wolfgang Koenig, Prudence R Carr, Hermann Brenner, Ben Schöttker
PURPOSE: To provide the first systematic review and meta-analysis of observational studies on the association of abnormal serum potassium and cardiovascular outcomes. METHODS: Medline and ISI Web of Knowledge were systematically searched from inception until November 24, 2017. Data synthesis of relevant studies was performed using random effects model meta-analyses. RESULTS: Meta-analyses included 310,825 participants from 24 studies. In the older general population, low serum potassium was associated with a 1...
April 20, 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29668588/a-delayed-diagnosis-of-catecholaminergic-polymorphic-ventricular-tachycardia-with-a-mutant-of-ryr2-at-c-7580t-g-for-6-years-in-a-9-year-old-child
#13
Hongyu Duan, Yongyi Lu, Song Yan, Lina Qiao, Yimin Hua, Yifei Li, Kaiyu Zhou, Chuan Wang
RATIONALE: Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare but potentially lethal inherited arrhythmia syndrome induced by adrenergic stress. Due to the atypical clinical manifestations in early age, limited recognition and experience of pediatric cardiologists, and low awareness of the significance of genetic diagnosis in some underdeveloped areas in China, a delayed or missed diagnosis of CPVT in children is common and concerning. PATIENT CONCERNS: A 9-year and 3-month male child with recurrent exercise-induced syncope accompanied by convulsion was initially misdiagnosed as epilepsy since the first manifestation at the age of 3 years...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29649029/dexmedetomidine-sedation-for-paroxysmal-supraventricular-tachycardia-ablation-is-not-associated-with-alteration-of-arrhythmia-inducibility
#14
Andrew M Slupe, Jessica Minnier, Merritt H Raitt, Ignatius Gerardo E Zarraga, Karen S MacMurdy, Peter M Jessel
BACKGROUND: Dexmedetomidine (Dex) is an attractive agent for procedural sedation due to its unique pharmacodynamic profile, specifically affording predictable sedation without concurrent respiratory depression. However, Dex has previously been reported to prevent or terminate arrhythmias. The purpose of this study was to investigate paroxysmal supraventricular tachycardia (PSVT) inducibility and homeostatic stability during electrophysiology studies (EPSs) and ablation when a standardized Dex protocol was used as the primary sedation agent...
April 11, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29623481/effect-of-antazoline-on-electrophysiological-properties-of-atrial-muscle-and-conduction-system-of-the-heart
#15
Bartłomiej Jacek Bińkowski, Marcin Makowski, Paweł Kubiński, Andrzej Lubiński
PURPOSE: Antazoline is a first-generation antihistaminic agent with additional anticholinergic properties and antiarrhythmic potential. Recent data shows its high effectiveness in sinus rhythm restoration among patients with paroxysmal atrial fibrillation. The effect of antazoline on electrophysiological parameters of the heart in vivo has not yet been examined. The aim of this study was to evaluate changes in electrophysiological parameters of the heart muscle and conduction system as a response to increasing doses of antazoline...
April 6, 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29618476/differentiating-ventricular-from-supraventricular-arrhythmias-using-the-postpacing-interval-after-failed-antitachycardia-pacing
#16
Matthew T Bennett, Nathan Leader, John Sapp, Ratika Parkash, Martin Gardner, Jeffrey S Healey, Bernard Thibault, Larry Sterns, Vidal Essebag, David Birnie, Soori Sivakumaran, Pablo Nery, Jason G Andrade, Andrew D Krahn, Anthony Tang
BACKGROUND: Implantable cardioverter defibrillator arrhythmia discrimination algorithms often are unable to discriminate ventricular from supraventricular arrhythmias. We sought to evaluate whether the response to antitachycardia pacing (ATP) in patients with an implantable cardioverter defibrillator could further discriminate ventricular from supraventricular arrhythmias in patients receiving ATP. METHODS AND RESULTS: All episodes of ventricular or supraventricular tachycardia where ATP was delivered in patients enrolled in RAFT (Cardiac-Resynchronization Therapy for Mild-to-Moderate Heart Failure Trial) were included...
April 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29590387/three-year-follow-up-of-hybrid-ablation-for-atrial-fibrillation
#17
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
https://www.readbyqxmd.com/read/29578424/influence-of-catheter-ablation-of-paroxysmal-supraventricular-tachycardia-on-patients-anxiety
#18
G Papiashvili, N Tabagari-Bregvadze, J Brugada
The aim of the study was to investigate the influence of catheter ablation of paroxysmal supraventricular tachycardia on patients' anxiety levels. We investigated 70 consecutive patients with paroxysmal supraventricular tachycardia (AV Nodal Reentrant Tachycardia (AVNRT), AV Reentrant Tachycardia (AVRT) or Atrial Tachycardia (AT)) who underwent a catheter ablation. The patients filled out the State and Trait Anxiety Inventory (STAI) before the ablation on the day of the procedure and after 3 months of a successful catheter ablation...
February 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29578423/impact-of-radiofrequency-catheter-ablation-on-health-related-quality-of-life-assessed-by-the-sf-36-questionnaire-in-patients-with-paroxysmal-supraventricular-tachycardia
#19
G Papiashvili, N Tabagari-Bregvadze, J Brugada
The aim of the study was to investigate the effect of catheter ablation on different aspects of health-related quality of life in association with patients' age, gender and the type of paroxysmal supraventricular tachycardia. We investigated 70 consecutive patients with paroxysmal supraventricular tachycardia (AV Nodal Reentrant Tachycardia (AVNRT), AV Reentrant Tachycardia (AVRT) or Atrial Tachycardia (AT)) who underwent a catheter ablation. The patients were asked to fill out the short form (SF-36) health questionnaire before the ablation on the day of the procedure and after 3 months of a successful catheter ablation and eight health concept scores (1...
February 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29561278/protective-ventilation-during-anaesthesia-reduces-major-postoperative-complications-after-lung-cancer-surgery-a-double-blind-randomised-controlled-trial
#20
Emmanuel Marret, Raphael Cinotti, Laurence Berard, Vincent Piriou, Jacques Jobard, Benoit Barrucand, Dragos Radu, Samir Jaber, Francis Bonnet
BACKGROUND: Thoracic surgery for lung resection is associated with a high incidence of postoperative pulmonary complications. Controlled ventilation with a large tidal volume has been documented to be a risk factor for postoperative respiratory complications after major abdominal surgery, whereas the use of low tidal volumes and positive end-expiratory pressure (PEEP) has a protective effect. OBJECTIVE: To evaluate the effects of ventilation with low tidal volume and PEEP on major complications after thoracic surgery...
March 19, 2018: European Journal of Anaesthesiology
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