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Pacing and Clinical Electrophysiology: PACE

Yousef H Darrat, Francis Benn, Mohsin Salih, Jignesh Shah, Kevin Parrott, Gustavo X Morales, John Gurley, Samy-Claude Elayi
BACKGROUND: Subcutaneous implantable cardioverter defibrillators (S-ICDs) have gained increasing popularity because of certain advantages over transvenous ICDs. However, while conventional ICDs require a single surgical incision to implant, S-ICDS need two or three incisions, making them less appealing. OBJECTIVE: This study sought out to investigate the feasibility of using a single incision technique to implant S-ICDs. METHODS: Patients qualifying for S-ICDs were considered for a single incision...
September 22, 2018: Pacing and Clinical Electrophysiology: PACE
Antonio Frontera, Masateru Takigawa, Michel Haïssaguerre, Nicolas Derval, Pierre Jaïs
We present the case of a localized reentry circuit which developed 24h after RF ablation of atrial fibrillation. The circuit was of interest because it overlapped with sites of previous defragmentation during AF. The circuit presented a small funnel which measured only 1.4 mm at its narrowest segment. Fractionated signals, which codify for slow conduction zones, corresponded to the isthmus site. Ablation at this site interrupted the atrial tachycardia. This article is protected by copyright. All rights reserved...
September 18, 2018: Pacing and Clinical Electrophysiology: PACE
Michael J Zhang, Nicholas S Roetker, Aaron R Folsom, Alvaro Alonso, Susan R Heckbert, Lin Y Chen
Asymptomatic and undetected "silent" atrial fibrillation (AF) is an important public health problem because it is often detected only after a stroke 1 and its prevalence in the general population is not precisely known. This article is protected by copyright. All rights reserved.
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Luca Rossi, Diego Penela, Lorenzo Doni, Raffaella Marazzi, Velia Napoli, Leonardo Napoli, Manola Vilotta, Giovanni Quinto Villani, Roberto De Ponti
BACKGROUND: A new three-dimensional heart anatomical simulator (3D HAS) has been created combining a physical heart model with an electroanatomic mapping (EAM) system. The aim of this study is to describe the development and the validation process of this device. METHODS: We developed the 3D HAS combining a physical heart model with an EAM system. This simulator was then validated by ten electrophysiologists subdivided in two groups based on their experience in electrophysiology procedures...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Fahad Alqahtani, Ahmed Almustafa, Kuldeep Shah, Yasir Akram, Danish Abbasi, Rohit Rattan, Navin Subrayappa, Mohamad Alkhouli, Muhammad Bilal Munir
BACKGROUND: Sudden cardiac arrest (SCA) is frequently encountered in end stage renal disease (ESRD) patients on dialysis. There is dearth of national data on SCA associated outcomes in this specific patient population. The aim of the present study is to study these parameters from a nationally representative United States (U.S.) population. METHODS: Data were extracted from National Inpatient Sample database from October 2005 to December 2014. All patients with clinical encounter of dialysis during the study period was enrolled in study period...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Xiaole Liu, Dehui Kong, Yanbo Liu, Jia Fu, Peng Gao, Taibo Chen, Quan Fang, Kang'an Cheng, Zhongjie Fan
BACKGROUND: atrial fibrillation (AF) is an important arrhythmia associated with cardiovascular morbidity and mortality. This study is focused on exploring the potential relationship between short-term air pollution exposure and occurrence of AF. METHODS: a case-crossover design was used to investigate the effect of pollutants on AF occurrence among 100 patients from 2013 to 2014. The air pollutants included ambient particulate matter less than 2.5 μm in aerodynamic diameter (PM2...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Michael Mirro, Carly Daley, Shauna Wagner, Romisa Rohani Ghahari, Michelle Drouin, Tammy Toscos
BACKGROUND: This study presents findings on the impact of providing patients with their implantable device data on patients' satisfaction, engagement, healthcare utilization and provider's perceptions of this practice. Remote monitoring of implantable cardioverter defibrillators (ICDs) improves patient care through timely delivery of ICD data to the clinic. However, patients usually do not receive their ICD data. Providers are concerned that messaging patients with their device data could increase clinical workload...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Dimitrios Asvestas, Konstantinos Vlachos, George Bazoukis, Claire A Martin, Konstantinos P Letsas, Antigoni Sakellaropoulou, Charalampos Kossyvakis, Athanasios Saplaouras, Efstathia Prappa, Christina Goga, Vassilios Vassilikos, Kosmas Valkanas, Spiridon Deftereos, Antonios Sideris, Michael Efremidis
AIMS: Atrial fibrosis is associated with the pathogenesis and progression of atrial fibrillation (AF). We sought to evaluate the extent of left atrial (LA) scarring in patients with paroxysmal AF (PAF) undergoing catheter ablation using a new impedance-based algorithm. METHODS: We prospectively enrolled 73 consecutive patients (43 males, 58 years) with PAF who underwent pulmonary vein antral isolation. We first performed high-density bipolar voltage mapping during sinus rhythm using Tissue Proximity Indicator (TPI), one of the features of the Confidense mapping module integrated in the electroanatomic mapping system...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Azam Shafquat, Nawal Salahuddin, Wafa Dawood, Khadija Al-Assas, Bandar Al-Ghamdi, Bahaa Al-Fadel
BACKGROUND: Dysfunction of native tricuspid valves (TV) due to transvenous pacing leads is well described. Patients with bio-prosthetic tricuspid valve (BTV) who need ventricular pacing are often advised epicardial lead placement to avoid potential damage to the BTV although there is no data to support this. OBJECTIVE: The aim of the study was to assess the frequency of (BTV) dysfunction in patients with permanent transvenous right ventricular pacemaker lead and compare it to patients with epicardial leads...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Rakesh Gopinathannair, Philip L Mar, Gaurang Gandhi, Amy Leiserowitz, Ajay Tripuraneni, Dhanunjaya Lakkireddy, Guanhua Chen, Eric Kreps, Luke Botting, Stephanie Copeland, Nancy Firsich, Kathy Kioussopoulos, Jerome E Granato
BACKGROUND: Patient characteristics, higher device cost, and vendor contracts likely prevent use of MRI- conditional pacemakers (MRC) in all pacemaker (PM) eligible patients. We sought to identify the incidence and predictors of MRI scan utilization in MRC recipients. METHODS: Patients receiving an MRC or non-MRI-conditional PM (NMRC) at 4 centers were included. Incidence of MRI scans following PM insertion was obtained from hospital records and patient phone calls...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Jem D Lane, Douglas Cannie, Elena Volkova, Adam Graham, Anthony Chow, Mark J Earley, Ross J Hunter, Fakhar Khan, Pier D Lambiase, Richard Schilling, Simon Sporton, Mehul Dhinoja
BACKGROUND: Many patients undergoing ventricular tachycardia (VT) or premature ventricular complex (PVC) ablation receive anti-thrombotic medications. Their uninterrupted use has the potential to affect complication rates. We assessed the incidence of complications in a large cohort of patients undergoing these procedures, according to anti-thrombotic medication use. METHODS: From June 2014 to June 2016, 201 VT and PVC ablations were performed at a single center...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Talal Alzahrani, Angelike P Liappis, Larry M Baddour, Pamela E Karasik
BACKGROUND: Cefazolin is used as standard preoperative prophylaxis for a variety of surgical procedures that involve the skin. In contrast, vancomycin is recommended for a minority of patients, specifically those with an IgE-mediated allergy to beta-lactams and considered in patients with known colonization with methicillin-resistant Staphylococcus aureus or at high risk for such. Vancomycin, however, has been overprescribed, has nephrotoxicity risk, and may be less effective due to its inferior coverage of methicillin-susceptible S...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
José Luis Martínez-Sande, Moisés Rodríguez-Mañero, Javier García-Seara, Mon Lago, Laila González-Melchor, Bahij Kreidieh, Saverio Iacopino, Valentina De Regibus, Yves De Greef, Schwagten Bruno, Antonio Curnis, Juan Sieira, Gian Battista Chierchia, Pedro Brugada, José Ramón González-Juanatey, Carlo de Asmundis
AIMS: Leadless pacemaker (LDP) allows implantation using a femoral approach. This access could be utilized for conventional atrioventricular nodal ablation (AVNA). It could facilitate unifying the two procedural components. Data regarding its feasibility and long-term outcomes remain lacking. We aim to evaluate the feasibility and long-term outcomes of sequential LDP and AVNA. METHODS: prospective, observational multicenter study including consecutive patients with indication for single-chamber pacemaker placement...
September 17, 2018: Pacing and Clinical Electrophysiology: PACE
Luigi Di Biase, Jorge Romero
No abstract text is available yet for this article.
September 8, 2018: Pacing and Clinical Electrophysiology: PACE
Xiaoke Liu, James Palmer
INTRODUCTION: A technique was developed to eliminate radiation exposure for routine atrial fibrillation (AF) ablation, to simplify the procedure and to achieve cost effectiveness. We here report the outcomes of this approach. METHODS: 200 consecutive AF ablations (55% paroxysmal) were performed by a single operator. Pulmonary vein isolation (PVI) was achieved by antral ablation without left atrial anatomic mapping, guided by contact force sensing and intracardiac echocardiogram (ICE)...
September 8, 2018: Pacing and Clinical Electrophysiology: PACE
Roger A Winkle
No abstract text is available yet for this article.
September 7, 2018: Pacing and Clinical Electrophysiology: PACE
Liyu Deng, Ying Xiao, Huashan Hong
BACKGROUND: The best anticoagulation therapy for atrial fibrillation (AF) after radiofrequency catheter ablation (RFCA) remains a challenge. METHODS: A systematic search of PubMed, Ovid, and Cochrane Library was conducted identifying at clinical trials which evaluated the differences between thromboembolism (TE) and hemorrhage in an off-oral anticoagulants (OACs) treatment group (the observation group) and an on-OACs treatment group (the control group), at 3 months after successful RFCA...
September 7, 2018: Pacing and Clinical Electrophysiology: PACE
Marek Jastrzębski, Paweł Moskal, Agnieszka Bednarek, Grzegorz Kiełbasa, Danuta Czarnecka
BACKGROUND: His-bundle (HB) pacing is the most physiological method of ventricular pacing. However, it is also considered a demanding procedure with a low success rate and has suboptimal pacing parameters. There is a scarcity of data concerning HB pacing as a standard approach in patients with symptomatic bradycardia. Our goal was to compare acute and chronic results of two approaches to pacing in patients with permanent atrial fibrillation, narrow QRS complexes, and symptomatic bradycardia: right ventricular myocardial pacing versus HB pacing...
September 7, 2018: Pacing and Clinical Electrophysiology: PACE
Laurie Bossory, Scott Schubert, Muhammad R Afzal, Raul Weiss, Jaret Tyler, Steven Kalbfleisch, Ralph Augostini, John Hummel, Toshimasa Okabe, Emile G Daoud, Mahmoud Houmsse
BACKGROUND: A wearable cardioverter defibrillator (WCD) is an alternative for patients who are not immediate candidates for an implantable cardioverter defibrillator (ICD). METHODS: Retrospective analysis of 242 patients prescribed a WCD from January 2014 through March 2015 with one-year follow up. RESULTS: A WCD was prescribed to 242 patients during the fifteen-month period. Forty-one patients were excluded due to lack of complete follow-up...
September 7, 2018: Pacing and Clinical Electrophysiology: PACE
Marek Jastrzębski
No abstract text is available yet for this article.
September 7, 2018: Pacing and Clinical Electrophysiology: PACE
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