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Patient characteristics, predictors and outcome of pacemaker patients upgraded to an implantable cardioverter defibrillator Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-24 Samuel H. Baldinger, Désirée Burren, Fabian Noti, Helge Servatius, Jens Seiler, Antonio Madaffari, Babken Asatryan, Hildegard Tanner, Tobias Reichlin, Andreas Haeberlin, Laurent Roten
AimsPacemaker (PM) patients may require a subsequent upgrade to an implantable cardioverter defibrillator (ICD). Limited data exists on this patient population. We sought to characterize this population, to assess predictors for ICD upgrade, and to report the outcome.MethodsFrom our prospective PM and ICD implantation registry, all patients who underwent PM and/or ICD implantations at our center were
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A highly symptomatic loss of CRT: What is the mechanism? Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-22 Pierre Ollitrault, Jonaz Font, Virginie Ferchaud, Mayane Al Khoury, Arnaud Pellissier, Paul Milliez, Laure Champ‐Rigot
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Out with the old: Single center experience with transvenous extraction of leads older than 15 years Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-20 Francis Phan, Saket Sanghai, Uday Sandhu, Chris Verdick, Angela Krebsbach, Castigliano M. Bhamidipati, Frederick A. Tibayan, Peter Jessel, Charles A. Henrikson
BackgroundLead dwell time is the single strongest predictor of failure and complications in transvenous lead extraction.ObjectivesTo report the success rate and complications of transvenous lead extractions with implant dwell time of at least 15 years.MethodsProcedural and patient data were prospectively collected into a database. The excimer laser was the primary method for lead extraction with the
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Outcomes of combined left bundle branch area pacing with atrioventricular nodal ablation in patients with atrial fibrillation and pulmonary disease Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-20 Christopher Sefton, Christine Tanaka‐Esposito, Thomas Dresing, Justin Lee, Roy Chung
IntroductionConcomitant left bundle branch area pacing (LBBAP) with atrioventricular (AV) nodal ablation is emerging as a viable management option in atrial fibrillation refractory to medical management. Its viability in patients with pulmonary disease and atrial fibrillation is unknown.Methods and resultsThis is a retrospective, observational cohort study in consecutive patients who underwent concomitant
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Ventricular response as a predictor of the termination of sustained paroxysmal atrial fibrillation Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-17 Jen‐Hung Huang, Yung‐Kuo Lin, Ming‐Hsiung Hsieh, Shih‐Ann Chen, Yi‐Jen Chen
BackgroundAtrial fibrillation (AF) is the most common sustained atrial arrhythmia. Accurate detection of the timing and possibility of AF termination is vital for optimizing rhythm and rate control strategies. The present study evaluated whether the ventricular response (VR) in AF offers a distinctive electrocardiographic indicator for predicting AF termination.MethodsPatients experiencing sustained
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Rates of pulmonary vein reconnection at repeat ablation for recurrent atrial fibrillation and its impact on outcomes among females and males Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-12 Ruina Zhang, Kabir V. Malkani, James K. Gabriels, Elizabeth Reznik, Han A. Li, Ari G. Mandler, Veronica Qu, James E. Ip, George Thomas, Christopher F. Liu, Steven M. Markowitz, Bruce B Lerman, Jim W. Cheung
BackgroundSeveral studies have demonstrated that females have a higher risk of arrhythmia recurrence after pulmonary vein (PV) isolation for atrial fibrillation (AF). There are limited data on sex‐based differences in PV reconnection rates at repeat ablation. We aimed to investigate sex‐based differences in electrophysiological findings and atrial arrhythmia recurrence after repeat AF ablationMethodsWe
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Aligning goals with care: Advance directives in older adults with implantable cardioverter‐defibrillators Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-10 Warren D. Backman, Michael V. DiCaro, Xintong Zuo, Adelqui Peralta, Ariela R. Orkaby
BackgroundPatients ≥80 with implantable cardioverter‐defibrillators (ICDs) have high rates of hospitalization and mortality, yet few have documented advance directives. We sought to determine the prevalence of advance directives in adults ≥80 years with ICDs, focusing on those with frailty and cognitive impairment.MethodsProspective cohort study (July 2016–May 2019) in an electrophysiology clinic.
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Temporary pacing through umbilical venous route for neonatal heart failure due to complete atrioventricular block Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-10 Abhinav B. Anand, Ankita A. Kulkarni, Gaurav D. Jaju, Girish R. Sabnis, Ajay U. Mahajan
We present a case of a neonate who presented with worsening heart failure due to congenital complete atrioventricular (AV) block, secondary to maternal anti Ro/SSA and anti‐LA/SSB antibodies. The patient was implanted a temporary pacemaker in view of hemodynamic deterioration and subsequently was weaned off ionotropic support and referred for permanent epicardial pacemaker implantation. We report temporary
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Functional substrate mapping of atrium in patients with atrial scar: A novel method to predict critical isthmus of atrial tachycardia Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-07 Hikmet Yorgun, Cem Coteli, Gül Sinem Kılıç, Kudret Aytemir
Atrial tachycardia (AT) is a common rhythm disorder, especially in patients with atrial structural abnormalities. Although voltage mapping can provide a general picture of structural alterations which are mainly secondary to prior ablations, surgery or pressure/volume overload, data is scarce regarding the functional characteristics of low voltage regions in the atrium to predict critical isthmus of
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2:1 electronic AV block due to inappropriate automatic post‐ventricular atrial refractory period extension Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-07 Pasquale Crea, Paolo Bellocchi, Federica Cocuzza, Antonino Micari, Lilia Oreto
A 16‐year‐old female with dual‐chamber pacemaker (Medtronic Azure XT DR), due to symptomatic third‐degree congenital atrioventricular (AV) block, presented to our ambulatory with dizziness and presyncopal episodes preceded by prodromes, occurring over the last few months. The device was programmed in DDD mode with an upper rate of 150 bpm. A head‐up Tilt Test (HUTT) revealed the unexpected emergence
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Successful prediction of left bundle branch block‐induced cardiomyopathy and treatment effect by artificial intelligence‐enabled electrocardiogram Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-07 Rahul Dhawan, Mohamed Omer, Caitlin Carpenter, Paul A. Friedman, Xiaoke Liu
BackgroundLeft bundle branch block (LBBB) induced cardiomyopathy is an increasingly recognized disease entity. However, no clinical testing has been shown to be able to predict such an occurrence.Case reportA 70‐year‐old male with a prior history of LBBB with preserved ejection fraction (EF) and no other known cardiovascular conditions presented with presyncope, high‐grade AV block, and heart failure
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Autonomic modulation of heart rate during physical activity in pregnant women: A systematic review of literature Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-05 Lucas Alves Jaques, Pedro Rafael Rocha Stermer, Ana Karoline Brito de Oliveira, Vera Regina Fernandes da Silva Marães, Raquel Henriques Jácomo, Aline Teixeira Alves, Katiane da Costa Cunha, Marianne Lucena da Silva
BackgroundThere are important physiological changes in the heart rate autonomic modulation in pregnant women and these changes may affect the way their bodies respond to exercise stimulus. The objective of this review is to verify the physical exercise influence on autonomic modulation of heart rate in pregnant women.MethodsThis study is a Systematic Review. The electronic databases used to search
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His potential injury as the end point of screwing by a continuous recording technique in His bundle pacing: A case report Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-05 Jinyan Zhong, Longfu Jiang
BackgroundHis bundle pacing (HBP) engaged electrical activation of both ventricles by stimulating the His‐Purkinje network, which could avoid marked ventricles dyssynchrony. The lead was given three to five clockwise rotations at the site with the His potential to anchor the interventricular septum. In 2018, the Multicenter His Bundle Pacing Collaborative Working Group recommended that the His bundle
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Pacing‐induced R‐on‐T phenomenon: What is the mechanism? Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-02 Sudipta Mondal, Jyothi Vijay, Narayanan Namboodiri
CONFLICT OF INTEREST STATEMENT The authors declare no conflicts of interest.
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Asymmetric dimethylarginine correlates with indicators of prethrombotic state in patients with nonvalvular atrial fibrillation Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-02 Zhaona Du, Wenbo Jiang, Chengyun Yu, Ming Zhang, Wei Xia
ObjectiveThe mechanism of asymmetric dimethylarginine (ADMA) in thrombosis in patients with nonvalvular atrial fibrillation (NVAF) is still unclear. Our aim was to investigate the relationship between ADMA and indicators of prethrombotic state in NVAF patients and to analyze the predictive role of ADMA in NVAF thrombosis.MethodsA total of 192 NVAF patients were continuously selected from January 2023
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Informational letters or postcards to initiate remote monitoring among veterans with pacemakers and implantable cardioverter‐defibrillators: A randomized, controlled trial Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-01 Allison Kratka, Thomas L. Rotering, Merritt H. Raitt, Mary A. Whooley, Sanket S. Dhruva
BackgroundRemote monitoring (RM) of pacemakers and implantable cardioverter‐defibrillators (ICDs) is a Class 1, Level of Evidence A recommendation because of its multitude of clinical benefits. However, RM adherence rates are suboptimal, precluding patients from achieving these benefits. There is a need for direct‐to‐patient efforts to improve adherence.MethodsIn this national randomized, controlled
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Prevention of esophageal lesions during atrial fibrillation catheter ablation using esophageal temperature monitoring: A systematic review and meta‐analysis Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-04-01 Adil Salihu, Henri Lu, Niccolo Maurizi, Georgios Tzimas, Claudia Herrera Siklody, Mathieu Le Bloa, Giulia Domenichini, Cheryl Teres, Sarah Hugelshofer, Pierre Monney, Etienne Pruvot, Olivier Muller, Panagiotis Antiochos, Patrizio Pascale
IntroductionThe use of esophageal temperature monitoring (ETM) for the prevention of esophageal injury during atrial fibrillation (AF) ablation is often advocated. However, evidence supporting its use is scarce and controversial. We therefore aimed to review the evidence assessing the efficacy of ETM for the prevention of esophageal injury.MethodsWe performed a meta‐analysis and systematic review of
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Why subcutaneous ICD does not record pause events? Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-29 Pasquale Crea, Antonino Micari, Giuseppe Dattilo
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Elucidating left atrial electrical potential with microelectrode catheter: A case of coronary sinus ostial atresia with small persistent left superior vena cava Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-29 Kohki Kimura, Takeshi Harita, Tetsuya Haruna
A 51‐year‐old woman presented with recurring palpitations. Electrocardiography revealed narrow QRS tachycardia with short RP configuration. Computed tomography showed coronary sinus (CS) ostial atresia along with a small persistent left superior vena cava (PLSVC). Electrophysiological study identified the retrograde earliest atrial activation site (EAAS) at the CS ostium without decremental properties
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Transvenous lead advancement in pediatric pacing to overcome growth‐induced lead straightening and stretching Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-29 Massimo Stefano Silvetti, Luigina Porco, Marta Campisi, Vincenzo Pazzano, Ilaria Tamburri, Fabio Anselmo Saputo, Giacomo Silvetti, Lucilla Ravà, Fabrizio Drago
BackgroundThe stretching of the lead caused by somatic growth may lead to complications (dislodgement, fracture, failure) of transvenous leads implanted in pediatric patients. Atrial loop and absorbable ligatures may prevent it. Periodical lead advancement with lead pushing from the pocket may be an option to growth‐induced stretching. Our aim was to analyze retrospectively the outcome of periodical
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Different methods of 3D QRS area calculation from vectorcardiographic X, Y, and Z Leads Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-26 Amit Noheria, Christian Toquica, Uzair A. Mahmood, Ashley DeBauge, Tucker Morey, Christopher J. Harvey
3DQRSarea is a strong marker for cardiac resynchronization therapy and can be obtained by taking the (i) summation or the (ii) difference of the areas subtended by positive and negative deflections in X, Y, Z vectorcardiographic electrocardiogram (ECG) leads. We correlated both methods with the instantaneous‐absolute‐3D‐voltage‐time‐integral (VTIQRS‐3D). 3DQRSarea consistently underestimated the VTIQRS‐3D
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Meta‐analysis of pulsed‐field ablation versus cryoablation for atrial fibrillation Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-25 Hehua Zhang, Hua Zhang, Heng Lu, Yinjun Mao, Jianxing Chen
PurposeThe available data on the treatment strategy of pulsed field ablation (PFA) for patients with atrial fibrillation (AF) is limited. This study aims to provide a comparative analysis of the efficacy, safety, and procedural efficiency between PFA and cryoballoon ablation (CBA) for AF.MethodsWe conducted a comprehensive search of the EMBASE, PubMed, Cochrane Library, and ClinicalTrials.gov databases
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Cryoballoon pulmonary vein isolation versus radiofrequency ablation of the pulmonary veins and left atrial posterior wall: Patient‐reported outcomes Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-25 Medhat Farwati, Lorenzo Braghieri, Farah A. Abdulhai, Marwan Dabbagh, Firas A. Alkhalaileh, Arwa Younis, Chadi Tabaja, Amr Farwati, Mustapha Amin, Pasquale Santangeli, Hiroshi Nakagawa, Walid I. Saliba, Mohamed Kanj, Thomas D. Callahan, Mandeep Bhargava, Bryan Baranowski, John Rickard, Jakub Sroubek, Justin Lee, Patrick J. Tchou, Oussama M. Wazni, Ayman A. Hussein
BackgroundData are lacking on patient‐reported outcomes (PRO) following cryoballoon ablation (CBA) versus radiofrequency ablation (RFA). We sought to evaluate QoL and clinical outcomes of cryoballoon pulmonary vein isolation only (CRYO‐PVI‐ONLY) versus RFA with PVI and posterior wall isolation (RF‐PVI+PWI) in a large prospective PRO registry.MethodsPatients who underwent AF ablation (2013–2016) at
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Iatrogenic vertebral artery injury during catheter ablation treated using coil embolization Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-25 Tsukasa Oshima, Kenichiro Yamagata, Yu Shimizu, Satoshi Koizumi, Katsuhito Fujiu, Issei Komuro
The internal jugular vein (IJV) is occasionally used for blood access during catheter ablation. Additionally, accidental injury of the vertebral artery during an IJV puncture is a rare complication that can result in catastrophic events, such as death. However, vascular access complications cannot be completely prevented despite the introduction of ultrasound‐guided punctures. Here, we present a case
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Intracardiac echocardiography‐guided catheter ablation of highly symptomatic accelerated idioventricular rhythm originating from the right ventricular apical diverticulum Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-19 Sen Yang, Sui Li, Shaolong Li, Qiwei Liao, Deyong Long, Mengmeng Li, Chengde He
Ventricular diverticula are saccule‐like structures formed by the protrusion of the ventricular myocardium from the endocardial surface towards the free wall. Most diverticula are muscular structures, and patients usually have no obvious clinical symptoms. However, diverticula may contribute to arrhythmogenesis due to localized myocardial structural disturbances. Right ventricular apical diverticulum
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Adherence to adhesive patch electrocardiographic monitoring among adults with disabilities Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-16 Patricia A. Patrick, Andrew J. Flatley, Izel Steinmann Obermeyer, Ian A. Lentnek
BackgroundIndividuals with developmental and/or intellectual disabilities (I/DD) are at a greater risk for atrial fibrillation (AF), the most common type of cardiac arrhythmia. AF is associated with heart failure, stroke, poor mental health, and reduced quality of life. Management and treatment decisions are based on the ability to detect AF; however, noninvasive, remote cardiac monitoring may not
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Cardiac sarcoidosis with extensive and heterogeneous left ventricular FDG uptake in absence of guidelines indication for an implantable defibrillator: Ventricular tachycardia precipitated by immunosuppressive therapy, should we have done differently? Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-16 Emile Voisine, Sylvain Lemay, Jonathan Beaudoin, Philippe Jacob, François Philippon, Laurie Marchand, Bastien Vallée‐Marcotte, Florence Bernier, Claudine Laliberté, Sophie Fortin, Marie‐Ève Komlosy, David H. Birnie, Mario Sénéchal
A 40‐year‐old man, newly diagnosed with cardiac sarcoidosis (CS) presented with symptomatic ventricular tachycardia three days after starting steroid‐based immunosuppressive therapy (IT). There was no clear guideline indication for implantable cardioverter‐defibrillator (ICD) before the initiation of IT. Shortly after ICD implantation and the initiation of anti‐arrhythmic drugs, recurring ventricular
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Permanent junctional reciprocating tachycardia due to an atypical retrograde slow conducting decremental left posterolateral accessory pathway and tachycardia‐induced cardiomyopathy in a pregnant adolescent Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-16 Utkarsh Kohli, Sohail Hassan, Christopher Mercer, Larry Rhodes
Permanent junctional reciprocating tachycardia (PJRT) is a rare form of supraventricular tachycardia (SVT) due to a retrograde slow conducting decremental accessory pathway (AP) which is often incessant and can lead to tachycardia‐induced cardiomyopathy (TIC). We report the challenging clinical course of a pregnant adolescent with PJRT due to an atypical retrograde slow conducting decremental left
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Long‐term outcomes with abandoning versus extracting sterile leads: A 10‐year population‐based study Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-16 Justin Z Lee, Fahimeh Talaei, Min‐Choon Tan, Komandoor Srivathsan, Dan Sorajja, Arturo Valverde, Luis Scott, Samuel J Asirvatham, Fred Kusumoto, Siva K Mulpuru, Yong‐Mei Cha
BackgroundLong‐term outcomes of sterile lead management strategies of lead abandonment (LA) or transvenous lead extraction (TLE) remain unclear.MethodsWe performed a retrospective study of a population residing in southeastern Minnesota with follow‐up at the Mayo Clinic and its health systems. Patients who underwent LA or TLE of sterile leads from January 1, 2000, to January 1, 2011, and had follow‐up
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Should left atrial appendage closure be considered in resistant left atrial appendage thrombus cases? ‘Former Foe, New Ally’ Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-13 Ahmet Hakan Ates, Ahmet Kivrak, Ugur Nadir Karakulak, Cem Coteli, Hikmet Yorgun, Mehmet Levent Sahiner, Ergun Barıs Kaya, Kudret Aytemir
The study explores left atrial appendage closure (LAAC) as a safe and effective alternative to anticoagulation for atrial fibrillation (AF) patients at high bleeding risk. Complications, such as cardioembolic events due to left atrial appendage thrombus (LAAT), highlight the need for alternative stroke prevention strategies.
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Determination of sensed and paced atrial-ventricular delay in cardiac resynchronization therapy Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-13 Alan J. Bank, Christopher D. Brown, Kevin V. Burns, Katie M. Johnson
Optimization of atrial-ventricular delay (AVD) during atrial sensing (SAVD) and pacing (PAVD) provides the most effective cardiac resynchronization therapy (CRT). We demonstrate a novel electrocardiographic methodology for quantifying electrical synchrony and optimizing SAVD/PAVD.
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Subcutaneous air entrapment after subcutaneous implantable cardioverter defibrillator implantation evaluated by computed tomography Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-10 Yuka Taguchi, Toshiyuki Ishikawa, Katsumi Matsumoto, Masatoshi Narikawa, Yoshinori Okazaki, Shuichi Miyagawa, Akira Horigome, Junya Hosoda
Inappropriate shock (IAS) caused by subcutaneous air entrapment (AE) in an early period after subcutaneous implantable cardioverter defibrillator (S-ICD) implantation has been reported, however, no detailed data on air volume are available. We evaluated the subcutaneous air volume after implantation and its absorption rate one week after implantation.
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Heart rate score in remote monitoring: An additional tool for predicting outcomes in heart failure with reduced ejection fraction Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-10 Maria Inês Barradas, Inês Coutinho dos Santos, Fabiana Duarte, André Viveiros Monteiro, Anabela Tavares, Dinis Martins
Heart rate score (HRS) ≥ 70% has been associated with arrhythmic events and mortality but these studies were not specific for heart failure (HF) patients. We hypothesized that HRS ≥ 70% obtained from remote monitoring (RM) is associated with HF hospitalizations and arrhythmic events in HF with reduced ejection fraction (HFrEF).
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Clinical implication of persistent left superior vena cava isolation for atrial fibrillation: Author's reply Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-02 Yue Qiu, Hongwu Chen, Minglong Chen
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The optimal slow pathway ablation site in atrioventricular nodal reentrant tachycardia cases with an inferiorly located His bundle Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-02 Ryoya Takizawa, Yosuke Nakatani, Yutaka Take, Kohki Kimura, Yumiko Haraguchi, Wataru Sasaki, Shohei Kishi, Shingo Yoshimura, Takehito Sasaki, Koji Goto, Yuko Miki, Kenichi Kaseno, Kohki Nakamura, Shigeto Naito
The optimal slow pathway (SP) ablation site in cases with an inferiorly located His bundle (HIS) remains unclear.
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Electrophysiological evidence of right atrial epicardial connections in a case with recurrent common atrial flutter Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-03-02 Masaya Shinohara, Tadashi Fujino, Hosei Kikushima, Ryo Wada, Shintaro Yao, Kensuke Yano, Katsuya Akitsu, Takanori Ikeda
The majority of the cavotricuspid isthmus (CTI) region consists of discretely arranged muscle bundles separated by connective tissue. Heterogeneity in the anatomic arrangement of the muscle bundles results in differences in the endocardial and epicardial activation patterns. We present a case of recurrent atrial flutter (AFL) despite the presence of a complete endocardial CTI block. We found epicardial‐endocardial
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Atrioventricular block secondary to transient causes and long-term recurrence after an index event Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 João Grade Santos, Mariana Martinho, Bárbara Ferreira, Diogo Cunha, Alexandra Briosa, Rita Miranda, Sofia Almeida, Hélder Pereira, Luís Brandão
Atrioventricular block (AVB) secondary to transient causes can recover with its correction. However, studies assessing predictors of recovery and long-term recurrence are lacking.
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An interesting dynamic retrograde His bundle potential during the transventricular‐septal process for left bundle branch pacing in a patient with right bundle branch block: A case report Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 Xinhui Peng, Longfu Jiang, Sujun Chen, Haiming Feng
A 67‐year‐old male presented with symptomatic bradycardia caused by atrial fibrillation and underwent His bundle pacing (HBP) and left bundle branch pacing (LBBP). Electrocardiography (ECG) revealed a complete right bundle branch block (RBBB). John Jiang's connecting cable was used during the transventricular septal process. An interesting dynamic retrograde His bundle potential (RHP) was recorded
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Successful direct pacing of the left bundle branch area with ICD lead using steerable delivery sheath Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 Mitsuru Yoshino, Kanade Yanagihara, Tokuma Kawabata, Kenta Yoshida, Hiroshi Tasaka
Recently, conduction system pacing has been performed in patients with impaired cardiac function. We report a case in which a DF4 implantable cardioverter defibrillator lead was screwed directly into the left bundle branch area with the support of a steerable delivery sheath.
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Evaluation of an algorithm-guided photoplethysmography for atrial fibrillation burden using a smartwatch Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 Zixu Zhao, Qifan Li, Sitong Li, Qi Guo, Xiaowen Bo, Xiangyi Kong, Shijun Xia, Xin Li, Wenli Dai, Lizhu Guo, Xiaoxia Liu, Chao Jiang, Xueyuan Guo, Nian Liu, Songnan Li, Song Zuo, Caihua Sang, Deyong Long, Jianzeng Dong, Changsheng Ma
Wearable devices based on the PPG algorithm can detect atrial fibrillation (AF) effectively. However, further investigation of its application on long-term, continuous monitoring of AF burden is warranted.
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Powering the future: Exploring self-charging cardiac implantable electronic devices and the Qi revolution Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 Maham Bilal, Noem Najam Syed, Yumna Jamil, Areesha Tariq, Habib Rehman Khan
The incidence and prevalence of cardiovascular diseases (CVD) have risen over the last few decades worldwide, resulting in a cost burden to healthcare systems and increasingly complex procedures. Among many strategies for treating heart diseases, treating arrhythmias using cardiac implantable electronic devices (CIEDs) has been shown to improve quality of life and reduce the incidence of sudden cardiac
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Catheter ablation of atrial fibrillation in patients with left bundle branch block Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 Ri-Bo Tang, Wen-He Lv, De-Yong Long, Jian-Zeng Dong, Xin Du, Cai-Hua Sang, Rong-Hui Yu, Liu He, Chen-Xi Jiang, Song-Nan Wen, Nian Liu, Song-Nan Li, Wei Wang, Xue-Yuan Guo, Xin Zhao, Xiao-Ying Liu, Ze-Yang Wu, Yu-Kun Li, Xue-Si Wang, Zhuo-Hang Du, Chang-Sheng Ma
Left bundle branch block (LBBB) and atrial fibrillation (AF) are commonly coexisting conditions. The impact of LBBB on catheter ablation of AF has not been well determined. This study aims to explore the long-term outcomes of patients with AF and LBBB after catheter ablation.
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Cost-utility of VISITAG SURPOINT in catheter ablation of atrial fibrillation Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-26 Tom De Potter, Cindy Tong, Sonia Maccioni, Maria Velleca, Thibaut Galvain
Clinical studies have demonstrated the safety, efficacy, and efficiency of VISITAG SURPOINT® (VS), which provides important lesion markers during catheter ablation (CA) of atrial fibrillation (AF). The present study evaluated the cost-effectiveness of CA with VS compared to CA without VS in AF from the publicly-funded German and Belgium healthcare perspectives.
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Novel scoring system derived from meta-analysis and validated in cohort population for predicting 1-year atrial fibrillation recurrence after cryoballoon catheter ablation: The HeLPS-Cryo score Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-24 Yoga Waranugraha, Jung-Chi Hsu, Ting-Tse Lin, Li-Ting Ho, Chih-Chieh Yu, Yen-Bin Liu, Lian-Yu Lin
Atrial fibrillation (AF) recurrence rates in 1 year after cryoballoon ablation catheter (CBCA) are still high. We purposed to identify strong predictors for AF recurrence after the successful CBCA procedure and develop a new scoring system based only on pre-procedural parameters.
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Ion channel dysfunction and fibrosis in atrial fibrillation: Two sides of the same coin Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-20 Gianmarco Arabia, Maria Giulia Bellicini, Angelica Cersosimo, Maurizio Memo, Francesco Mazzarotto, Riccardo Maria Inciardi, Manuel Cerini, Lin Yee Chen, Mohamed Aboelhassan, Patrizia Benzoni, Gianfranco Mitacchione, Luca Bontempi, Antonio Curnis
Atrial fibrillation (AF) is a common heart rhythm disorder that is associated with an increased risk of stroke and heart failure (HF). Initially, an association between AF and ion channel dysfunction was identified, classifying the pathology as a predominantly electrical disease. More recently it has been recognized that fibrosis and structural atrial remodeling play a driving role in the development
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Ser194Leu DSG2 mutation, associated with arrhythmogenic left ventricular cardiomyopathy and ventricular tachycardia Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-20 Miry Blich, Yaniv Zohar, Victoria Cohen-Kaplan, Irina Minkov, Rabea Asleh, Smadar Horowitz-Cederboim, Karin Weiss, Tamar Paperna, Jonathan Lessick, Sobhi Abadi, Asaad Khoury, Lior Gepstein, Mahmud Suleiman, Oren Caspi
Arrhythmogenic cardiomyopathy (AC) is an inherited cardiomyopathy characterized by fibro-fatty replacement of cardiomyocytes, leading to life-threatening ventricular arrhythmia and heart failure. Pathogenic variants of desmoglein2 gene (DSG2) have been reported as genetic etiologies of AC. In contrast, many reported DSG2 variants are benign or variants of uncertain significance. Correct genetic variant
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Cannon A wave validation as a diagnostic tool in paroxysmal supraventricular tachycardias Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-13 David González-Casal, Alberto Pérez-Castellanos, Nina Soto Flores, Alejandro Carta-Bergaz, Esteban González-Torrecilla, Vanesa Bruña Fernández, Pablo Ávila, Felipe Atienza, Ángel Arenal, Jorge González-Panizo, Francisco Fernández-Avilés, José Angel Cabrera, Tomás Datino
The presence of cannon A waves, the so called “frog sign”, has traditionally been considered diagnostic of atrioventricular nodal re-entrant tachycardia (AVNRT). Nevertheless, it has never been systematically evaluated. The aim of this study is to assess the independent diagnostic utility of cannon A waves in the differential diagnosis of supraventricular tachycardias (SVTs).
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Proceed with caution: Standard protocol exercise stress tests fail to replicate the diagnostic utility of supine-stand tests for long QT syndrome Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-13 Alexa M. Pinsky, Veda K. Kulkarni, J. Martijn Bos, Raquel Neves, Thomas G. Allison, Michael J. Ackerman
Long QT syndrome (LQTS) is a sudden death predisposing condition characterized by ECG-derived prolongation of the QT interval. Previous studies have demonstrated that the supine-stand test may aid in the diagnosis of LQTS as patients fail to shorten their QT interval in response to standing up. The aim of this study was to evaluate the diagnostic accuracy of ECG data derived from standard protocol
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Permanent pacemaker implantation with hybrid endocardial perventricular approach in infancy: May be an alternative route in the absence of epicardial lead Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Yakup Ergul, Gulhan Tunca Sahin, Hasan Candas Kafali, Ismihan Selen Onan
Despite the advancements in technology, establishing the optimal implantation technique for pediatric patients with a pacemaker (PM) indication remains challenging. Although the implantation of an epicardial PM is recommended, especially in children weighing less than 10 kg, transventricular placement of endocardial leads can be performed safely, offering a practical substitute for an epicardial pacing
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Aveir retrievable, 38-mm length, leadless pacemaker implantation in a 23-kg pediatric patient with congenital heart disease Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Jacob Rodriguez, Daniel Cortez
Complications are more prevalent in pediatric patients receiving pacemaker implants.
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Wide QRS tachycardia: What is the mechanism? Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Krishna Kishore Umapathi, Hemal M. Nayak, Utkarsh Kohli
CONFLICT OF INTEREST STATEMENT All authors have reported that they have no relationships relevant to the contents of this paper to disclose.
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Utility of routine follow-up defibrillation safety margin testing in young patients with epicardial implantable cardioverter-defibrillators Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Tomas Leng, Elaine Griffeth, Elizabeth H. Stephens, Joseph A. Dearani, Bryan C. Cannon, Michael J. Ackerman, Philip L. Wackel
Routine defibrillation threshold testing (DFT) of transvenous implantable defibrillators (ICDs) has largely been in decline. In patients with non-transvenous ICDs that utilize subcutaneous and pleural ICD leads, serial DFT testing can detect a significant number of failures. Data about the utility of follow-up defibrillation safety margin testing (DSM) testing in pediatric patients and young adults
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False-positive alarms in patients with implantable loop recorder followed by remote monitoring: A systematic review Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Simona Covino, Vincenzo Russo
Remote Monitoring (RM) has been shown to provide useful information about arrhythmic events in patients with implantable loop recorders (ILRs), however there is few and conflicting data about the false positive (FP) alarms burden and characteristics among ILR recipients. The aim of the present systematic review was to evaluate incidence and characteristics of FP alarms among ILR patients followed by
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Efficacy and safety of pulsed field ablation for atrial fibrillation: A systematic review and meta-analysis Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Usama Qamar, Siddharth Agarwal, Satyam Krishan, Abhishek Deshmukh, Christopher V. DeSimone, Stavros Stavrakis, Jonathan P. Piccini, Zain Ul Abideen Asad
CONFLICT OF INTEREST STATEMENT None of the authors have conflict of interest related to this manuscript.
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Histological and functional assessment of a Takotsubo cardiomyopathy model established by immobilization stress Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-11 Quanwei Pei, Jiemei Yang, Bin Li, Pengqi Lin, Lina Zou, Junpei Zhang, Hongpeng Yin, Jingmei Sun, Xin Wang, Nevzorova Vera A, Zengxiang Dong, Dechun Yin
Takotsubo cardiomyopathy (TTC), also known as stress-induced cardiomyopathy, resembles acute heart failure syndrome but lacks disease-specific diagnosis and treatment strategies. TTC accounts for approximately 5–6% of all suspected cases of acute coronary syndrome in women. At present, animal models of TTC are often created by large amounts of exogenous catecholamines such as isoproterenol. However
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A case of atrial tachycardia originating from the left atrial roof successfully ablated via the pulmonary artery approach Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-06 Wenwu Liu, Qitong Zhang, Xiaoyu Wu, Longzhe Gao, Yong Wei, Shaowen Liu, Genqing Zhou
A 60-year-old male patient suffered from frequent episodes of atrial tachycardia (AT), after the index procedure of catheter ablation for paroxysmal atrial fibrillation. During the repeat procedure, the activation map showed that the earliest activation site was located at the roof of left atrium. Multiple ablations at the earliest activation site on the roof failed to terminate the AT; however, ablation
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Chronic phase subcutaneous implantable cardioverter defibrillator lead dislodgement in a patient with arrhythmogenic right ventricular cardiomyopathy Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-06 Ryuki Chatani, Hiroshi Tasaka, Atsushi Sakata, Mitsuru Yoshino, Kazushige Kadota
The subcutaneous implantable cardioverter defibrillator (S-ICD) is often used in young patients such as arrhythmogenic right ventricular cardiomyopathy (ARVC) and Brugada syndrome due to long-term lead durability issues. Although S-ICD lead dislodgement is rare, we encountered such an incident in a young ARVC patient during the chronic phase following the two-incision technique. Remote monitoring system
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Effect of age on in-hospital outcomes of transvenous lead extraction for infected cardiac implantable electronic device Pacing Clin. Electrophysiol. (IF 1.8) Pub Date : 2024-02-06 Min Choon Tan, Qi Xuan Ang, Yong Hao Yeo, Jia Yean Thong, Aneesh Tolat, Luis R. Scott, Justin Z. Lee
The real-world data on the safety profile of transvenous lead extraction (TLE) for infected cardiac implantable electronic devices (CIED) among elderly patients is not well-established. This study aimed to evaluate the hospital outcomes between patients of different age groups who underwent TLE for infected CIED.