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https://www.readbyqxmd.com/read/28431056/long-term-outcome-of-transvenous-pacemaker-implantation-in-infants-a-retrospective-cohort-study
#1
Laura M Vos, Janneke A E Kammeraad, Matthias W Freund, Andreas C Blank, Johannes M P J Breur
Aim: Evaluation of long-term outcome of transvenous pacemaker (PM) implantation in infants. Methods and Results: A retrospective analysis of all transvenous PM implantations in infants <10 kg between September 1997 and October 2001 was made. Indications for PM implantation, age at implantation, and determinants of long-term outcome including cardiac function, PM function, and PM (system) complications were noted. Seven patients underwent transvenous VVI(R) PM implantation...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28429529/impaired-left-atrial-function-predicts-inappropriate-shocks-in-primary-prevention-implantable-cardioverter-defibrillator-candidates
#2
Susumu Tao, Hiroshi Ashikaga, Luisa A Ciuffo, Kihei Yoneyama, Joao A C Lima, Terry F Frank, Robert G Weiss, Gordon F Tomaselli, Katherine C Wu
INTRODUCTION: Inappropriate implantable cardioverter-defibrillator (ICD) shocks, commonly caused by atrial fibrillation (AF), are associated with an increased mortality. Because impaired left atrial (LA) function predicts development of AF, we hypothesized that impaired LA function predicts inappropriate shocks beyond a history of AF. METHODS AND RESULTS: We prospectively analyzed the association between LA function and incident inappropriate shocks in primary prevention ICD candidates...
April 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28419217/shock-efficacy-of-single-and-dual-coil-electrodes-new-insights-from-the-nordic-icd-trial
#3
Dietmar Bänsch, Hendrik Bonnemeier, Johan Brandt, Frank Bode, Jesper Hastrup Svendsen, Oliver Ritter, Johannes Aring, Klaus-Jürgen Gutleben, Ralph Schneider, Angelika Felk, Tino Hauser, Anika Buchholz, Gerhard Hindricks, Karl Wegscheider
Aims: Dual coil (DC) electrodes are preferred to single coil (SC) electrodes because of an assumed higher shock efficacy. However, DC-electrodes may be associated with an increased difficulty and risk of lead extraction. We aimed to compare SC- and DC-electrodes with respect to the first shock efficacy (FSE) after implantable cardioverter defibrillator (ICD) implantation. Methods and results: One thousand and seventy-seven patients of the NORDIC ICD trial were randomly assigned to first time ICD implantation with or without defibrillation (DF) testing...
April 13, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28396781/life-threatening-and-life-saving-inappropriate-implantable-cardioverter-defibrillator-shocks
#4
Jordi Pérez-Rodon, David Doiny, Berta Miranda, Nuria Rivas-Gandara, Ivo Roca-Luque, Jaume Francisco-Pascual, Rosa Maria Lidón, David García-Dorado, Angel Moya Mitjans
An implantable cardioverter defibrillator (ICD) lead dislodgement into the right atrium is a dangerous situation, particularly in patients in atrial fibrillation because atrial fibrillation can be sensed as ventricular fibrillation and true ventricular fibrillation induced with an inappropriate shock. In the presence of shocks, ICD interrogation should be performed as soon as possible.
April 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28395893/occurrence-and-natural-history-of-clinically-silent-episodes-of-atrial-fibrillation-in-hypertrophic-cardiomyopathy
#5
Ethan J Rowin, Alexander Orfanos, N A Mark Estes, Wendy Wang, Mark S Link, Martin S Maron, Barry J Maron
Overt symptomatic atrial fibrillation (AF) occurs in over 20% of patients with hypertrophic cardiomyopathy (HC) leading to impaired quality of life, loss of productivity, and the risk for embolic stroke. However, the overall burden presented by AF in the HC population is unresolved due to the unknown frequency of silent asymptomatic episodes that do not necessarily achieve clinical recognition but nevertheless may have important disease-related implications. Therefore, stored electrograms were analyzed retrospectively for AF in 75 consecutive patients with HC (without AF history) implanted with dual-chamber cardioverter-defibrillators...
March 16, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28388657/clinical-decision-tool-for-crt-p-vs-crt-d-implantation-findings-from-prose-icd
#6
Victor Nauffal, Yiyi Zhang, Tanyanan Tanawuttiwat, Elena Blasco-Colmenares, John Rickard, Joseph E Marine, Barbara Butcher, Sanaz Norgard, Timm-Michael Dickfeld, Kenneth A Ellenbogen, Eliseo Guallar, Gordon F Tomaselli, Alan Cheng
BACKGROUND: Cardiac resynchronization therapy (CRT) devices reduce mortality through pacing-induced cardiac resynchronization and implantable cardioverter defibrillator (ICD) therapy for ventricular arrhythmias (VAs). Whether certain factors can predict if patients will benefit more from implantation of CRT pacemakers (CRT-P) or CRT defibrillators (CRT-D) remains unclear. METHODS AND RESULTS: We followed 305 primary prevention CRT-D recipients for the two primary outcomes of HF hospitalization and ICD therapy for VAs...
2017: PloS One
https://www.readbyqxmd.com/read/28373784/left-ventricular-noncompaction-a-rare-form-of-cardiomyopathy-revelation-modes-and-predictors-of-mortality-in-adults-through-23-cases
#7
Iliyasse Asfalou, Sanae Boulaamayl, Maha Raissouni, Najat Mouine, Mohamed Sabry, Jamal Kheyi, Nawal Doghmi, Aatif Benyass
OBJECTIVES: To describe modes of clinical presentation and echocardiographic, angiographic, and rhythmic features, and prognostic characteristics of left ventricular noncompaction cardiomyopathy (LVNC) in North African adults, through one of the first series in Morocco. BACKGROUND: LVNC is a rare congenital disorder, described for the first time by Engberding in 1984. The suspected diagnosis in thromboembolic, hemodynamic, or rhythm events requires both echocardiography and cardiovascular magnetic resonance (CMR)...
April 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28371141/design-of-the-effect-of-adaptive-servo-ventilation-on-survival-and-cardiovascular-hospital-admissions-in-patients-with-heart-failure-and-sleep-apnoea-the-advent-hf-trial
#8
Owen D Lyons, John S Floras, Alexander G Logan, Robert Beanlands, Joaquin Durán Cantolla, Michael Fitzpatrick, John Fleetham, R John Kimoff, Richard S T Leung, Geraldo Lorenzi Filho, Pierre Mayer, Lisa Mielniczuk, Debra L Morrison, Clodagh M Ryan, Frederic Series, George A Tomlinson, Anna Woo, Michael Arzt, Sairam Parthasarathy, Stefania Redolfi, Takatoshi Kasai, Gianfranco Parati, Diego H Delgado, T Douglas Bradley
INTRODUCTION: Both types of sleep-disordered breathing (SDB), obstructive and central sleep apnoea (OSA and CSA, respectively), are common in patients with heart failure and reduced ejection fraction (HFrEF). In such patients, SDB is associated with increased cardiovascular morbidity and mortality but it remains uncertain whether treating SDB by adaptive servo-ventilation (ASV) in such patients reduces morbidity and mortality. AIM: ADVENT-HF is designed to assess the effects of treating SDB with ASV on morbidity and mortality in patients with HFrEF...
April 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28365182/hopes-and-disappointments-with-antiarrhythmic-drugs
#9
A John Camm
Ventricular arrhythmias such as sustained ventricular tachycardia and ventricular fibrillation account for two thirds of sudden cardiac deaths. Most ventricular tachyarrhythmias have well understood mechanisms such that it is theoretically possible to conceive of an antiarrhythmic drug-based intervention that would prevent arrhythmias that cause sudden cardiac death. Pharmaceutical agents which interfere with ion channel activity are known as antiarrhythmic drugs. Acute experiments showing antiarrhythmic effects in the basic science laboratory have often not translated into clinical effectiveness...
March 16, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28341360/use-of-antiarrhythmic-medications-in-medicare-part-d-patients-with-an-implantable-cardioverter-defibrillator-and-ventricular-tachycardia
#10
Sean D Pokorney, Xiaojuan Mi, Bradley G Hammill, Nancy M Allen LaPointe, Lesley H Curtis, Sana M Al-Khatib
Ventricular tachycardia (VT) is common in cardiomyopathy patients with an implantable cardioverter-defibrillator. This analysis evaluated antiarrhythmic medication use and change in use over time in patients with VT and structural heart disease. Query of Medicare claims identified patients with an implantable cardioverter-defibrillator and VT. Patients with atrial fibrillation or supraventricular tachycardia were excluded. Two cohorts were created of patients enrolled in Medicare Part D for the 12 months before 2007 and 2012...
February 10, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28340223/implantation-of-cardiac-resynchronization-therapy-devices-using-three-leads-by-cephalic-vein-dissection-approach
#11
Alexios Hadjis, Riccardo Proietti, Vidal Essebag
Aims: Percutaneous subclavian, axillary, and cephalic vein access are all used in conjunction for atrial and ventricular lead implantation, though no standard approach for cardiac resynchronization therapy (CRT) device implantation has been established. We describe an effective and a safe technique for implanting three leads via cephalic vein for CRT pacemaker and/or defibrillator implantations. Methods and results: A total of 171 consecutive patients undergoing de novo implantation of CRT pacemaker or defibrillator were included...
March 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340057/long-term-outcome-of-pulmonary-vein-isolation-in-patients-with-paroxysmal-atrial-fibrillation-and-brugada-syndrome
#12
Giacomo Mugnai, Burak Hünük, Erwin Ströker, Diego Ruggiero, Hugo Enrique Coutino-Moreno, Ken Takarada, Valentina De Regibus, Rajin Choudhury, Juan Pablo Abugattas de Torres, Darragh Moran, Saverio Iacopino, Pasquale Filannino, Giulio Conte, Juan Sieira, Jan Poelaert, Stefan Beckers, Pedro Brugada, Carlo de Asmundis, Gian-Battista Chierchia
Aims: The therapeutical management of atrial fibrillation (AF) in the setting of Brugada syndrome (BS) might be challenging as many antiarrhythmic drugs (AADs) with sodium channel blocking properties might lead to to the development of ventricular arrhythmias. This study sought to evaluate the clinical outcome in a consecutive series of patients with BS having undergone pulmonary vein (PV) isolation by means of radiofrequency (RF) or cryoballoon (CB) ablation and the efficacy of catheter ablation for preventing inappropriate interventions delivered by implantable cardioverter defibrillators (ICD) on a 3-year follow up...
March 9, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339758/safety-and-efficacy-of-the-new-bidirectional-rotational-evolution%C3%A2-mechanical-lead-extraction-sheath-results-from-a-multicentre-italian-registry
#13
Patrizio Mazzone, Federico Migliore, Emanuele Bertaglia, Domenico Facchin, Elisabetta Daleffe, Vittorio Calzolari, Martino Crosato, Francesco Melillo, Francesco Peruzza, Alessandra Marzi, Nicoleta Sora, Paolo Della Bella
Aims: The aim of this prospective multicentre study is to evaluate safety and efficacy of the new bidirectional rotational mechanical lead extraction (LE) sheath (Evolution RL, Cook Medical, USA) in chronically implanted leads (>1-year-old leads). Methods and results: Between September 2013 and June 2016, a total of 238 leads in 124 consecutive patients were removed by using the new Evolution RL rotational mechanical sheath. Indications for LE were cardiac device infection in 63 (50...
February 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28326565/erroneous-magnet-positioning-leads-to-failure-of-inhibition-of-inappropriate-shock-during-fast-conducting-atrial-fibrillation-episodes
#14
Hans Römers, Vincent VAN Dijk, Jippe Balt
We present the case of a 75-year-old patient with a single-chamber St. Jude Medical internal cardioverter defibrillator (ICD; St. Jude Medical, St. Paul, MN, USA) for primary prevention, who was admitted with 39 inappropriate ICD shocks because of atrial fibrillation with rapid ventricular frequention, despite magnet placement. Review of the device manual and literature revealed that apart from different responses to magnet placement programmed for the various manufacturers, the type of magnet and the positioning can be of specific interest...
February 3, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28287212/-the-pacemaker-and-implantable-cardioverter-defibrillator-registry-of-the-italian-association-of-arrhythmology-and-cardiac-pacing-annual-report-2015
#15
Alessandro Proclemer, Massimo Zecchin, Antonio D'Onofrio, Giuseppe Boriani, Giovanni Luca Botto, Domenico Facchin, Luca Rebellato, Marco Ghidina, Giulia Bianco, Emanuela Bernardelli, Elsa Pucher, Dario Gregori
BACKGROUND: The pacemaker (PM) and implantable cardioverter-defibrillator (ICD) Registry of the Italian Association of Arrhythmology and Cardiac Pacing (AIAC) monitors the main epidemiological data in real-world practice. The survey for the 2015 activity collects information about demographics, clinical characteristics, main indications for PM/ICD therapy and device types from the Italian collaborating centers. METHODS: The Registry collects prospectively national PM and ICD implantation activity on the basis of European cards...
January 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28275066/cardioversion-efficacy-using-pulsed-biphasic-or-biphasic-truncated-exponential-waveforms-a-randomized-clinical-trial
#16
Anders S Schmidt, Kasper G Lauridsen, Kasper Adelborg, Peter Torp, Leif F Bach, Simon M Jepsen, Nete Hornung, Charles D Deakin, Hans Rickers, Bo Løfgren
BACKGROUND: Several different defibrillators are currently used for cardioversion and defibrillation of cardiac arrhythmias. The efficacy of a novel pulsed biphasic (PB) waveform has not been compared to other biphasic waveforms. Accordingly, this study aims to compare the efficacy and safety of PB shocks with biphasic truncated exponential (BTE) shocks in patients undergoing cardioversion of atrial fibrillation or -flutter. METHODS AND RESULTS: This prospective, randomized study included patients admitted for elective direct current cardioversion...
March 8, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28259551/diagnostic-yield-of-device-interrogation-in-the-evaluation-of-syncope-in-an-elderly-population
#17
Robert N D'Angelo, Christopher C Pickett
BACKGROUND: Device interrogation has become a standard part of the syncope evaluation for patients admitted with permanent pacemakers (PPM) or implantable cardiac defibrillators (ICD), although few studies have shown interrogation yields clinically useful data. The purpose of this study is to determine the diagnostic yield of device interrogation as well as other commonly performed tests in the workup of unexplained syncope in patients with previously implanted PPMs or ICDs. METHODS: We retrospectively reviewed records of 88 patients admitted to our medical center for syncope with previously implanted pacemakers between January 1, 2005 and January 1, 2015 using ICD-9 billing data...
February 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28258846/seasonal-trends-in-atrial-fibrillation-episodes-and-physical-activity-collected-daily-with-a-remote-monitoring-system-for-cardiac-implantable-electronic-devices
#18
Federica Censi, Giovanni Calcagnini, Eugenio Mattei, Leonardo Calò, Antonio Curnis, Antonio D'Onofrio, Diego Vaccari, Gabriele Zanotto, Loredana Morichelli, Nicola Rovai, Alessio Gargaro, Renato Pietro Ricci
BACKGROUND: Remote monitoring (RM) of cardiac implantable electronic devices is an ideal experimental model to evaluate long-term trends of physiological and clinical data automatically collected from large patient cohorts. OBJECTIVES: We studied data of atrial fibrillation (AF) and physical activity (PA) transmitted daily during 3.5years from a subgroup of patients enrolled in the HomeGuide trial, a previously conducted study on patients routinely followed with a RM system transmitting clinical and diagnostic data daily...
May 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28258679/-predictive-parameters-of-occurrence-of-adequate-interventions-in-patients-with-implanted-cardioverter-defibrillators-with-or-without-resynchronisation-therapy-in-primary-prevention-of-sudden-cardiac-death-in-dilated-cardiomyopathy
#19
Jacek Lelakowski, Anna Rydlewska, Maria Lelakowska, Joanna Pudło, Justyna Piekarz
The task of the ICD is to detect ventricular arrhythmias and treatment of its adequate intervention. The task of the CRTD in addition to the above tasks is the treatment of heart failure. AIM: The aim of the study was to assess the predictive parameters of adequate interventions in patients with an ICD and CRTD. MATERIALS AND METHODS: The study consisted of 273 patients (230 M, mean age 65±11 years) with ICD and/or CRTD. The inclusion criteria were: left ventricle ejection fraction (LVEF) ≤ 35%, NYHA class ≥ II, implantation in primary SCD prevention and in case of CRTD additionally LBBB with wide QRS ≥ 120ms...
February 20, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28255547/unexpected-challenging-case-of-coronary-sinus-lead-extraction
#20
Luca Bontempi, Donatella Tempio, Raffaella De Vito, Manuel Cerini, Francesca Salghetti, Niccolò Dasseni, Clara Villa, Abdallah Raweh, Lorenza Inama, Francesca Vassanelli, Mario Luzi, Antonio Curnis
An 84-year-old woman implanted with cardiac resynchronization therapy defibrillator underwent transvenous lead extraction 4 mo after the implant due to pocket infection. Atrial and right ventricular leads were easily extracted, while the attempt to remove the coronary sinus (CS) lead was unsuccessful. A few weeks later a new extraction procedure was performed in our center. A stepwise approach was used. Firstly, manual traction was unsuccessfully attempted, even with proper-sized locking stylet. Secondly, mechanical dilatation was used with a single inner sheath placed close to the CS ostium...
February 16, 2017: World Journal of Clinical Cases
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