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Michael J Ackerman, Silvia G Priori, Anne Dubin, Peter Kowey, Nicholas J Linker, David Slotwiner, John Triedman, George F Van Hare, Michael R Gold
No abstract text is available yet for this article.
September 19, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Guido E Pieles, Victoria Husk, Teresa Blackwell, Deirdre Wilson, Simon M Collin, Craig A Williams, A Graham Stuart
Theme park operators and medical professionals advise children with heart conditions against using rollercoaster rides, but these recommendations are not evidence-based. The underlying assumption is that the combination of adrenergic stimulation through stress and acceleration might trigger arrhythmias in susceptible individuals. We conducted a cross-sectional observational study to assess heart rate and rhythm in healthy children during commercial rollercoaster rides. Twenty healthy children (9 male) aged 11-15 (mean 13...
September 21, 2016: Pediatric Cardiology
Ravi B Patel, M V Moorthy, Stephanie E Chiuve, Aruna D Pradhan, Nancy R Cook, Christine M Albert
BACKGROUND: Sudden cardiac death (SCD) is often the first manifestation of cardiovascular disease (CVD), and preventive strategies within this broad population are lacking. Patients with diabetes represent a high-risk subgroup, but few data exist regarding whether measures of glycemia mediate risk and/or add to SCD risk stratification. OBJECTIVE: The purpose of this study was to examine the association between hemoglobin A1c (HbA1c) and SCD. METHODS: We performed a case-control analysis among individuals enrolled in 6 prospective cohort studies...
August 31, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Craig T January, L Samuel Wann, Joseph S Alpert, Hugh Calkins, Joaquin E Cigarroa, Joseph C Cleveland, Jamie B Conti, Patrick T Ellinor, Michael D Ezekowitz, Michael E Field, Katherine T Murray, Ralph L Sacco, William G Stevenson, Patrick J Tchou, Cynthia M Tracy, Clyde W Yancy
No abstract text is available yet for this article.
December 2, 2014: Journal of the American College of Cardiology
Bryant Priromprintr, Michael J Silka, Jonathan Rhodes, Anjan S Batra
BACKGROUND: Although percutaneous Melody valve implant has become an accepted alternative to surgical pulmonary valve replacement in patients with congenital heart disease (CHD), the benefit regarding frequency and severity of arrhythmias remains undefined. OBJECTIVE: This study evaluated the impact of Melody valve implant on the type and frequency of arrhythmias during cardiopulmonary exercise testing (CPET) and subsequent clinical outcome. METHODS: As part of the phase I Melody valve clinical trial, 136 patients with CHD underwent prospective serial evaluation including CPET prior to, 6 months after, and annually for 5 years...
July 21, 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Iqbal El-Assaad, Sadeer G Al-Kindi, JoEllyn Abraham, Shubhayan Sanatani, David J Bradley, Colby Halsey, Ian H Law, Seshadri Balaji, Ira Shetty, Peter F Aziz
BACKGROUND: Arrhythmia management has become the major treatment challenge in adult patients with congenital heart disease (ACHD). OBJECTIVE: We sought to investigate the utility and safety profile of dofetilide for atrial arrhythmias in ACHD. METHODS: A retrospective chart review was performed. We included patients (age ≥18 years) with congenital heart disease who had atrial fibrillation (AF) or intra-atrial reentrant tachycardia treated with dofetilide...
October 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Jiuann-Huey I Lin, Adam C Kean, Timothy M Cordes
Atrial flutter or fibrillation (AFF) remains a major chronic complication of the Fontan procedure. This complication further predisposes this patient population to thromboembolic events. However, the incidence of thromboembolic complications in Fontan patients with AFF prior to or acutely after electrical cardioversion is unknown. This study aimed to characterize the risk of post-cardioversion thromboembolic events in this population. We performed a retrospective medical record review of all patients with a history of Fontan operation treated with direct current cardioversion for AFF at Riley Children's Hospital between June 1992 and March 2014...
October 2016: Pediatric Cardiology
Charles Antzelevitch, Gan-Xin Yan, Michael J Ackerman, Martin Borggrefe, Domenico Corrado, Jihong Guo, Ihor Gussak, Can Hasdemir, Minoru Horie, Heikki Huikuri, Changsheng Ma, Hiroshi Morita, Gi-Byoung Nam, Frederic Sacher, Wataru Shimizu, Sami Viskin, Arthur A M Wilde
No abstract text is available yet for this article.
October 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Grasiele Bess de Oliveira, Fábio Silveira de Oliveira, Ana Paula Susin Osório, Alexandre Kreling Medeiros, João Ricardo Michielin Sant'anna, Tiago Luiz Luz Leiria
Isolated congenital atrioventricular block (ICAVB) is a rare, and pacemaker implantation is the only effective treatment. We sought to identify the predictive factors of adverse events related to pacemaker implantation in ICAVB. This is a cohort study of patients diagnosed with ICAVB who underwent pacemaker implantation from 1980 to 2014 in a single center. During the studied period, a total of 647 patients underwent implantation of their first permanent cardiac pacemaker before 30 years of age. Of these, only 62 (9...
October 2016: Pediatric Cardiology
Adam R M Herman, Martin Gardner, Christian Steinberg, John A Yeung-Lai-Wah, Jeff S Healey, Peter Leong-Sit, Andrew D Krahn, Santabhanu Chakrabarti
BACKGROUND: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a progressive disease characterized by replacement of normal myocardium by fibrofatty tissue. The right ventricular (RV) apex is the typical target for implantable cardioverter-defibrillator (ICD) lead placement, raising concerns for suboptimal lead performance in medium- to long-term follow-up. OBJECTIVE: The purpose of this study was to determine whether placement of ICD leads at the RV apex was associated with performance deterioration of medium-term leads in ARVC patients compared to non-ARVC patients...
October 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Mei-Hwan Wu, Hui-Chi Chen, Feng-Yu Kao, San-Kuei Huang
BACKGROUND: Supraventricular tachycardia (SVT) is a common pediatric tachycardia, but the true incidence is unknown. OBJECTIVE: We sought to investigate the true postnatal incidence and its medical needs. METHODS: We derived a birth cohort comprised children born between 2000 and 2008 who had complete postnatal medical data in the Taiwan National Health Insurance Database for the period from 2000 to 2014. RESULTS: From 1,967,911 live births, we identified 2021 patients with SVT (51...
October 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Jana-Katharina Dieks, Sophia Klehs, Matthias J Müller, Thomas Paul, Ulrich Krause
BACKGROUND: Treatment of congenital junctional ectopic tachycardia (JET) is often challenging. In the majority of patients affected, a combination of ≥2 antiarrhythmic drugs is required for JET control. OBJECTIVE: The purpose of this study was to assess the efficacy and safety of adjunctive ivabradine therapy for pediatric congenital JET. METHODS: Since January 2015, 5 consecutive patients aged 10 days to 3.5 years (median 8 weeks) were treated with adjunctive ivabradine for congenital JET...
June 2016: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Peter J Kudenchuk, Siobhan P Brown, Mohamud Daya, Thomas Rea, Graham Nichol, Laurie J Morrison, Brian Leroux, Christian Vaillancourt, Lynn Wittwer, Clifton W Callaway, James Christenson, Debra Egan, Joseph P Ornato, Myron L Weisfeldt, Ian G Stiell, Ahamed H Idris, Tom P Aufderheide, James V Dunford, M Riccardo Colella, Gary M Vilke, Ashley M Brienza, Patrice Desvigne-Nickens, Pamela C Gray, Randal Gray, Norman Seals, Ron Straight, Paul Dorian
BACKGROUND: Antiarrhythmic drugs are used commonly in out-of-hospital cardiac arrest for shock-refractory ventricular fibrillation or pulseless ventricular tachycardia, but without proven survival benefit. METHODS: In this randomized, double-blind trial, we compared parenteral amiodarone, lidocaine, and saline placebo, along with standard care, in adults who had nontraumatic out-of-hospital cardiac arrest, shock-refractory ventricular fibrillation or pulseless ventricular tachycardia after at least one shock, and vascular access...
May 5, 2016: New England Journal of Medicine
David Backhoff, Sophia Klehs, Matthias J Müller, Heike Schneider, Thomas Kriebel, Thomas Paul, Ulrich Krause
Accessory atrioventricular pathways (AP) are the most common substrate for paroxysmal supraventricular tachycardia in infants and small children. Up-to-date data on AP ablation in infants and small children are limited. The aim of the present study was to gain additional insight into radiofrequency (RF) catheter ablation of AP in infants and toddlers focusing on efficacy and safety in patients with a body weight of ≤ 15 kg. Since 10/2002, RF ablation of AP was performed in 281 children in our institution...
June 2016: Pediatric Cardiology
Doaa El Amrousy, Walid Elshehaby, Wael El Feky, Nagat S Elshmaa
Postoperative arrhythmia is a common complication after open heart surgery in children. JET is the most common and dangerous arrhythmia. We aimed to assess safety and efficacy of prophylactic amiodarone in preventing JET in children underwent cardiac surgery and to assess risk factors for JET among our patients. In total, 117 children who underwent cardiac surgery for CHD at Tanta University Hospital from October 2011 to April 2015 were divided in two groups; amiodarone group (65 patients) was given prophylactic amiodarone intraoperatively and placebo group (52 patients)...
April 2016: Pediatric Cardiology
Gareth J Padfield, Carolina A Escudero, Astrid M DeSouza, Christian Steinberg, Karen Gibbs, Joseph H Puyat, Pei Yoong Lam, Shubhayan Sanatani, Elizabeth Sherwin, James E Potts, George Sandor, Andrew D Krahn
BACKGROUND: Patients with anorexia nervosa exhibit abnormal myocardial repolarization and are susceptible to sudden cardiac death. Exercise testing is useful in unmasking QT prolongation in disorders associated with abnormal repolarization. We characterized QT adaptation during exercise in anorexia. METHODS AND RESULTS: Sixty-one adolescent female patients with anorexia nervosa and 45 age- and sex-matched healthy volunteers performed symptom-limited cycle ergometry during 12-lead ECG monitoring...
February 9, 2016: Circulation
Maalika M Banerjee, V Ramesh Iyer, Deipanjan Nandi, Victoria L Vetter, Anirban Banerjee
In the outpatient setting, children who present with syncope routinely undergo electrocardiograms (ECG). Because of concerns for hypertrophic cardiomyopathy, children with syncope meeting ECG criteria for left ventricular hypertrophy (LVH) will frequently undergo an echocardiogram. Our objectives were to determine whether Davignon criteria for ECG waves overestimate LVH in children presenting with syncope, and to study the usefulness of echocardiography in these children. We hypothesize that the Davignon criteria presently used for interpretation of ECGs overestimate LVH, resulting in unnecessary echocardiography in this clinical setting...
April 2016: Pediatric Cardiology
George Hayashi, Kenichi Kurosaki, Shigeyuki Echigo, Hideki Kado, Norihide Fukushima, Michio Yokota, Kouichirou Niwa, Tokuko Shinohara, Makoto Nakazawa
Early results of the arterial switch operation (ASO) for transposition of the great arteries (TGA) are good, but there are few mid- and long-term data on postoperative arrhythmias, especially in Japan. In this study, clinical data on 624 1-year survivors who had an ASO between 1976 and 1995 were collected from six institutes in Japan up to October 2002. Sixty (9.6%) 1-year survivors had significant arrhythmias. Bradycardia occurred in 22 patients, including complete atrioventricular block (CAVB) in 12, sick sinus syndrome (SSS) in 6, and second-degree atrioventricular block in 4...
November 2006: Pediatric Cardiology
Carolyn M Wilhelm, Diane Paulus, Clifford L Cua, Naomi J Kertesz, John P Cheatham, Mark Galantowicz, Richard P Fernandez
Post-operative arrhythmias are common in pediatric patients following cardiac surgery. Following hybrid palliation in single ventricle patients, a comprehensive stage II palliation is performed. The incidence of arrhythmias in patients following comprehensive stage II palliation is unknown. The purpose of this study is to determine the incidence of arrhythmias following comprehensive stage II palliation. A single-center retrospective chart review was performed on all single ventricle patients undergoing a comprehensive stage II palliation from January 2010 to May 2014...
March 2016: Pediatric Cardiology
Sana M Al-Khatib, Aysha Arshad, Ethan M Balk, Sandeep R Das, Jonathan C Hsu, Josè A Joglar, Richard L Page
OBJECTIVE: To review the literature systematically to determine whether noninvasive or invasive risk stratification, such as with an electrophysiological study of patients with asymptomatic pre-excitation, reduces the risk of arrhythmic events and improves patient outcomes. METHODS: PubMed, EMBASE, and the Cochrane Central Register of Controlled Trials (all January 1, 1970, through August 31, 2014) were searched for randomized controlled trials and cohort studies examining noninvasive or invasive risk stratification in patients with asymptomatic pre-excitation...
April 5, 2016: Circulation
2015-09-27 02:59:43
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