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Journal J Cardiovasc Electrophysiol

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Single Ring Isolation For Atrial Fibrillation Ablation: Impact of the Learning Curve.

Anand Thiyagarajah, Rajiv Mahajan, Shinsuke Iwai, Aashray Gupta, Dominik Linz, Ivana Chim, Mehrdad Emami, Kadhim Kadhim, Catherine O'Shea, Melissa E Middeldorp, Dennis H Lau, Prashanthan Sanders,

<h4>Introduction</h4>Although single ring isolation is an accepted strategy for undertaking pulmonary vein (PV) and posterior wall isolation (PWI) during atrial fibrillation (AF) ablation, the learning curve associated with this technique as well as procedural and clinical success rates have not been widely reported.<h4>Methods and results</h4>Prospectively collected data from 250 consecutive ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Device-related Infection Associated with Increased Mortality Risk In De Novo Transvenous Implantable Cardioverter-Defibrillator Medicare Patients.

Mikhael F El-Chami, Yiyan Liu, Robert I Griffiths, Bradley P Knight, Raul Weiss, George E Mark, Mauro Biffi, Vincent Probst, Pier D Lambiase, Marc A Miller, Caroline M Jacobsen, Larry M Baddour,

<h4>Introduction</h4>Transvenous implantable cardioverter-defibrillators (TV-ICD) infection is a serious complication that frequently requires complete device removal for attempted cure, which can be associated with patient morbidity and mortality. The objective of this study is to assess mortality risk associated with TV-ICD infection in a large Medicare population with de novo TV-ICD ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Pulmonary vein isolation using Cryoballoon ablation versus RF ablation using ablation index following the CLOSE protocol: a Prospective Randomized Trial.

Cathrin Theis, Bastian Kaiser, Philipp Kaesemann, Felix Hui, Giancarlo Pirozzolo, Raffi Bekeredjian, Carola Huber,

<h4>Background</h4>The single procedure success rates of durable pulmonary vein isolation (PVI) for paroxysmal atrial fibrillation (AF) varies between 80 and 90 %. This prospective, randomized study investigated the efficacy of Cryoballoon PVI (CBA) versus pulmonary vein isolation with RF-energy following the CLOSE protocol (ablation index (AI), interlesion distance ≤ 6 ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Association between Left Atrial Appendage Fibrosis and Thrombus Formation: A Histological Approach.

Shunsuke Miyauchi, Takehito Tokuyama, Yukimi Uotani, Shogo Miyamoto, Yoshihiro Ikeuchi, Sho Okamura, Yousaku Okubo, Keijiro Katayama, Taiichi Takasaki, Nobuhiro Nakatani, Yorisato Matsudaira, Hisako Furusho, Mutsumi Miyauchi, Shinya Takahashi, Yukiko Nakano,

<h4>Introduction</h4>Although recent echocardiographic studies have suggested that left atrial appendage (LAA) remodeling contributes to the development of LAA thrombus (LAAT), histological evidence is absent. The objective of this study was to examine clinical parameters and histological findings to clarify the factors involved in LAAT formation.<h4>Methods</h4>A total of 64 patients (no ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Can Dark Core Lesions on Cardiac MRI Shed Some Light on Recurrence After VT Ablation?

Majd A El-Harasis, Travis D Richardson,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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The Future of Long-Term Monitoring After Catheter and Surgical Ablation for Atrial Fibrillation.

Jayson R Baman, Rod S Passman,

In recent years, there has been an emergence of long-term cardiac monitoring devices, particularly as they relate to non-prescribed, user-initiated, wearable- and/or smartphone-based devices. With these new available data, practitioners are challenged to interpret these data in the context of routine clinical decision-making. While there are many potential uses for ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Late Gadolinium Enhancement Cardiac Magnetic Resonance Imaging of Ablation Lesions after Post-Infarction Ventricular Tachycardia Ablation:Implications for VT Recurrence.

Michael Ghannam, Jackson Liang, Anil Attili, Hubert Cochet, Pierre Jais, Rakesh Latchamsetty, Krit Jongnarangsin, Fred Morady, Frank Bogun,

<h4>Background</h4>Late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) imaging distinguishes between intrinsic post-infarction scar and radiofrequency ablation lesion related scar (dark core lesions (DCLs)) in patients with prior ventricular tachycardia (VT) ablation procedures.<h4>Objective</h4>To combine LGE-CMR and electroanatomic mapping data to describe the relationship between DCLs and recurrent VT among patients undergoing ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Steroid Use for Recovery of advanced atrioVentricular block Immediately after VALvular surgery (SURVIVAL): a preliminary randomized clinical trial.

Saeed Ghodsi, Farzad Masoudkabir, Zahra Hosseini, Tahereh Davarpasand, Negin Yavari, Mehrnaz Mohebi, Azita Haj Hossein Talasaz, Arash Jalali, Seyed Hossein Ahmadi Tafti, Jamshid Bagheri, Hakimeh Hasanzadeh,

<h4>Background</h4>Atrioventricular block (AVB) is an important complication following valvular surgery. Several factors including inflammation-mediated injury might trigger AVB.<h4>Methods</h4>Patients with advanced postoperative AVB were randomly assigned to receive either dexamethasone (0.4 mg /kg, maximum 30 mg /day) intravenously for three days or conservative care only. Primary endpoint was recovery rate in ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Split Accessory Pathway Potentials in a Patient with Antidromic AVRT.

Weizhuo Liu, Wentao Gu, Xinping Luo, Jian Li, Nanqing Xiong,

A 27-year-old female presenting with palpitation underwent electrophysiology study, who had mild preexcitation in surface ECG. An accessory pathway with weak anterograde conduction was found. During isoproterenol infusion, the delta wave promptly became prominent, an antidromic AV reentrant tachycardia was then induced. When the pathway was mapped, widely split double ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Pacemakers After Valve Replacement: Just Because We Can, Should We?

Michael S Lloyd,

implantation after heart This article is protected by copyright. All rights reserved. ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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An apparent 2:1 atrial tachycardia: What is the mechanism?

Giovanni Coluccia, Michele Accogli, Alessandro Guido, Alessio Scarascia, Pietro Palmisano,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Persistent Phrenic Nerve Palsy after Atrial Fibrillation Ablation: Follow-up Data from the Netherlands Heart Registration.

Daniel Mol, Lisanne Renskers, Jippe C Balt, Rohit E Bhagwandien, Yuri Blaauw, Vincent J H M van Driel, Antoine H G Driessen, Arif Elvan, Richard Folkeringa, Rutger Hassink, Bart Hooft van Huysduynen, Justin G L M Luermans, Jeroen Y Stevenhagen, Pepijn H van der Voort, Sjoerd W Westra, Joris R de Groot, Jonas S S G de Jong, ,

<h4>Background</h4>Persistent phrenic nerve palsy (PNP) is an established complication of atrial fibrillation (AF) ablation, especially during cryoballoon and thoracoscopic ablation. Data on persistent PNP reversibility is limited because most patients recover <24hours. This study aims to investigate persistent PNP recovery, freedom of PNP-related symptoms after AF ablation and identify baseline ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Fibrosis: A Nexus Between Atrial Fibrillation And Left Atrial Appendage Thrombosis.

Yaacoub Chahine, Nazem Akoum,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Comparison of Ablation Index versus Time-Guided Radiofrequency Energy Dosing using Normal and Half-normal Saline Irrigation in a Porcine Left Ventricular Model.

Timothy Larsen, Jeanne M Du-Fay-de-Lavallaz, Jeffrey R Winterfield, Venkatesh Ravi, Paul Rhodes, Jeremiah Wasserlauf, Richard G Trohman, Parikshit S Sharma, Henry D Huang,

<h4>Background</h4>Ablation Index (AI) is a multi-parametric quality marker to assess durability of radiofrequency (RF) lesions. The comparative effectiveness and safety of AI versus time-based energy dosing for ablation of ventricular arrhythmias is unknown.<h4>Objective</h4>We compared AI and time-based RF dosing strategies in left ventricles of freshly harvested porcine hearts.<h4>Methods</h4>Ablation was performed ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Ablation Index to Guide Radiofrequency Ablation in the Left Ventricle: Are We There Yet?

Weeranun Bode, Pasquale Santangeli,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Outcome and safety of intracardiac echocardiography guided left atrial appendage closure within zero-fluoroscopy atrial fibrillation ablation procedures.

Yi-He Chen, Liang-Guo Wang, Xiao-Dong Zhou, Ying Fang, Lan Su, Sheng-Jie Wu, Wei-Jian Huang, Fang-Yi Xiao,

<h4>Background</h4>Simultaneous atrial fibrillation (AF) catheter ablation and left atrial appendage closure (LAAC) are sometimes recommended for both rhythm control and stroke prevention. However, the advantages of intracardiac echocardiography (ICE) guidance for this combined procedure have been scarcely reported. We aim to evaluate the clinical outcomes and safety of ICE-guided LAAC ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Location and coupling interval of an ectopic excitation determine the initiation of atrial fibrillation from the pulmonary veins.

Shunsuke Kawai, Yasushi Mukai, Shujiro Inoue, Daisuke Yakabe, Kazuhiro Nagaoka, Kazuo Sakamoto, Susumu Takase, Akiko Chishaki, Hiroyuki Tsutsui,

<h4>Introduction</h4>Ectopic beats originating from the pulmonary vein (PV) trigger atrial fibrillation (AF). The purpose of this study was to clarify the electrophysiological determinant of AF initiation from the PVs.<h4>Methods</h4>Pacing studies were performed with a single extra stimulus mimicking an ectopic beat in the left superior PVs (LSPVs) in 62 patients ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Wide QRS tachycardia in a young patient. What is the mechanism?

Dinakar Bootla, Ashish Jain, Raja J Selvaraj,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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The electrophysiological characteristics of the initiation of atrial fibrillation from the pulmonary veins.

Koji Kumagai,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Patients' and Family Members' Views on Pacemaker Reuse: an International Survey.

Andrew B Hughey, Palaniappan Muthappan, Auroa Badin, Timir Baman, Naila Baig-Ansari, Fayez Jawed, Abdul B Khan, Qingmei Jiang, Katherine L Hughey, Rolando Jirón Toruño, Christian Machado, Marwan M Refaat, Patrick Zakka, Mostafa Hotait, Kim A Eagle, Thomas C Crawford,

<h4>Introduction</h4>The reuse of cardiac implantable electronic devices may help increase access to these therapies in low- and middle-income countries (LMICs). No published data exist regarding the views of patients and family members in LMICs regarding this practice.<h4>Methods and results</h4>A paper questionnaire eliciting attitudes regarding pacemaker reuse was administered to ambulatory ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Postmortem pacemaker reuse: Charity for most but not all.

Sunil K Sinha, Ebubechukwu O Ezeh, Joseph E Marine,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Selection and outcome of implantable cardioverter-defibrillator patients with and without cardiac resynchronization therapy: Comparison of 4384 patients from the German Device Registry to randomized controlled trials.

Julia Köbe, Kevin Willy, Jochen Senges, Matthias Hochadel, Thomas Kleemann, Stefan G Spitzer, Dietrich Andresen, Joachim Jehle, Gerhard Steinbeck, Istvan Szendey, Christian Butter, Johannes Brachmann, Ellen Hoffmann, Lars Eckardt,

<h4>Background</h4>Registry data add important information to randomized controlled trials (RCT) on real-life aspects of implantable cardioverter-defibrillator (ICD) patients with and without cardiac resynchronization therapy (CRT-D). This analysis of the prospectively conducted German Device Registry aims at comparing mortality rates, comorbidities, complication rates to results from RCT.<h4>Methods</h4>The German Device registry (DEVICE) ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Conduction system pacing after septal myectomy: Obstruction of just-His.

Weeranun D Bode, Robert D Schaller,

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2022, :]

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Comparison of radiofrequency ablation from the coronary cusps and endocardial left ventricular outflow tract for left ventricular summit ventricular arrhythmias in a porcine and infrared thermal model.

Timothy Larsen, Jeffrey Winterfield, Venkatesh Ravi, Jeanne M Du-Fey-de-Lavallaz, Jeremiah Wasserlauf, Richard G Trohman, Parikshit S Sharma, Henry D Huang,

<h4>Introduction</h4>The coronary cusps (CCs) are utilized as an alternative vantage point for radiofrequency catheter ablation (RFCA) of left ventricular summit ventricular arrhythmias but are sometimes a challenge despite favorable activation timing and pace mapping.<h4>Methods</h4>Ex vivo experiments were performed in 12 intact porcine hearts submerged in a 37°C saline bath. Radiofrequency (RF) ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
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Atrial Fibrillation Ablation in Chronic Kidney Disease - Lessons from Large Datasets.

Christopher F Liu,

Outcomes data regarding atrial fibrillation (AF) treatment in chronic kidney disease (CKD) are lacking. Available data and unanswered questions in this realm will be discussed, along with how the present manuscript fits into the overall literature of this field. This article is protected by copyright. All rights reserved. ... Read more >>

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