Journals Pacing and Clinical Electrophy...

Pacing and Clinical Electrophysiology : PACE
Anish Bhargav, Suresh Kumar Sukumaran, Sridhar Balaguru, Raja J Selvaraj
No abstract text is available yet for this article.
May 18, 2024: Pacing and Clinical Electrophysiology: PACE
Keisuke Suzuki, Kosuke Aoki, Eiji Sato, Yoshihiro Yamashina, Akihiko Ishida, Tetsuo Yagi
No abstract text is available yet for this article.
May 18, 2024: Pacing and Clinical Electrophysiology: PACE
Tomotaka Yoshiyama, Kenichi Nakatsuji, Tomoya Yanagishita, Shota Tamura, Daiju Fukuda
The pacing threshold is important for leadless pacemakers, as the pacing output has a significant impact on battery longevity. Acute pacing rate-dependent threshold increases have also been reported with leadless pacemakers. In the present case, we experienced a case in which the threshold, which had been raised in the acute phase, once showed a tendency to improve, but then worsened again. And, as in previous reports, thresholds improved completely in the chronic phase. Repeated retrieval and reimplantation of leadless pacemakers increases the likelihood of fatal complications, so being aware of such phenomenon may prevent unnecessary procedure and complications...
May 18, 2024: Pacing and Clinical Electrophysiology: PACE
Antony Jaya Mabel Rani, Chinnapillai Srivenkateswaran, Gurunathan Vishnupriya, Nalini Subramanian, Poonguzhali Ilango, Vijaya Kumar Jacintha
BACKGROUND: The disease related to the heart is serious and can lead to death. Precise heart disease prediction is imperative for the effective treatment of cardiac patients. This can be attained by machine learning (ML) techniques using healthcare data. Several models on the basis of ML predict and identify disease in the heart, but this model cannot manage a huge database because of the deficiency of the smart model. This paper provides an optimized SpinalNet with a MapReduce model to categorize heart disease...
May 15, 2024: Pacing and Clinical Electrophysiology: PACE
Ensar Duras, Ayse Sulu, Hasan Candas Kafali, Sezen Gulumser Sisko, Bahar Caran, Yakup Ergul
BACKGROUND: T-wave memory (TWM) is a rare cause of T-wave inversion (TWI). Alterations in ventricular activation due to abnormal depolarization may cause repolarization abnormalities on the ECG, even if myocardial conduction returns to normal. These repolarization changes are defined as TWM. In our study, we aimed to determine the frequency of TWM development and the predictors affecting it in the pediatric population who underwent accessory pathway (AP) ablation due to Wolff-Parkinson-White (WPW) syndrome...
May 14, 2024: Pacing and Clinical Electrophysiology: PACE
Fabian Bahlke, Andreas Wachter, Nico Erhard, Florian Englert, Jan Syväri, Hannah Krafft, Miruna Popa, Edison Abdiu, Carsten Lennerz, Marta Telishevska, Sarah Lengauer, Tilko Reents, Gabriele Hessling, Isabel Deisenhofer, Felix Bourier
BACKGROUND: Lesion durability and transmurality are crucial for successful radiofrequency (RF) ablation. This study provides a model of real-time RF lesion visualization and insights into the role of underlying parameters, as local impedance (LI). METHODS: A force-sensing, LI-sensing catheter was used for lesion creation in an ex vivo model involving cross-sections of porcine cardiac preparations. During 60 s of RF application, one measurement per second was performed regarding lesion size and available ablation parameters...
May 10, 2024: Pacing and Clinical Electrophysiology: PACE
Rong-Xin Guo, Xu Tian, George Bazoukis, Gary Tse, Shenda Hong, Kang-Yin Chen, Tong Liu
The rapid growth in computational power, sensor technology, and wearable devices has provided a solid foundation for all aspects of cardiac arrhythmia care. Artificial intelligence (AI) has been instrumental in bringing about significant changes in the prevention, risk assessment, diagnosis, and treatment of arrhythmia. This review examines the current state of AI in the diagnosis and treatment of atrial fibrillation, supraventricular arrhythmia, ventricular arrhythmia, hereditary channelopathies, and cardiac pacing...
May 7, 2024: Pacing and Clinical Electrophysiology: PACE
Yoji Iida, Junzo Inamura
A larger left bundle branch (LBB) potential or LBB current of injury (COI) indicates a low LBB capture threshold in LBB pacing. During LBB pacing in an 85-year-old woman, achieving a low LBB capture threshold did not initially present with a larger LBB potential or LBB COI, but rather with a new initial negative deflection in a ventricular electrogram. LBB COI gradually developed over 7 min thereafter, which suggested that the lead tip had reached the left ventricular subendocardium. Therefore, this negative deflection may be the first sign to avoid further lead rotation...
May 6, 2024: Pacing and Clinical Electrophysiology: PACE
Changsheng Ma, Shulin Wu, Shaowen Liu, Yaling Han
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, significantly impacting patients' quality of life and increasing the risk of death, stroke, heart failure, and dementia. Over the past two decades, there have been significant breakthroughs in AF risk prediction and screening, stroke prevention, rhythm control, catheter ablation, and integrated management. During this period, the scale, quality, and experience of AF management in China have greatly improved, providing a solid foundation for the development of the guidelines for the diagnosis and management of AF...
April 30, 2024: Pacing and Clinical Electrophysiology: PACE
Halit Emre Yalvaç, Erdi Babayiğit, Bülent Görenek
No abstract text is available yet for this article.
April 29, 2024: Pacing and Clinical Electrophysiology: PACE
Bailing Dai, Wenqing Yin, Chengming Ma, Peipei Ma, Yingqi Wang, Li Hong, Xiaohong Yu, Xiaomeng Yin, Yingxue Dong, Yunlong Xia, Yanzong Yang, Lianjun Gao
Although ventricular capture during the atrial threshold test is possible, there are rare reports on the insulation defect and inactive leads thereof. In this case, we present a pacemaker-dependent patient with a history of pacemaker generator replacements. The patient experienced ventricular capture induced by atrial pacing due to adhesion of the atrial and ventricular leads with an insulation defect. The atrial lead was abandoned and a new lead was implanted. However, there was a significant decrease in ventricular impedance detected shortly after the new lead was implanted...
April 29, 2024: Pacing and Clinical Electrophysiology: PACE
Christian Toquica, Mohammad-Ali Jazayeri, Amit Noheria, Loren Berenbom, Martin Emert, Rhea Pimentel, Raghu Dendi, Y Madhu Reddy, Seth H Sheldon
INTRODUCTION: Catheter ablation (CA) can interfere with cardiac implantable electronic device (CIED) function. The safety of CA in the 1st year after CIED implantation/lead revision is uncertain. METHODS: This single center, retrospective cohort included patients who underwent CA between 2012 and 2017 and had a CIED implant/lead revision within the preceding year. We assessed the frequency of device/lead malfunctions in this population. RESULTS: We identified 1810 CAs in patients between 2012 and 2017, with 170 CAs in 163 patients within a year of a CIED implant/lead revision...
April 25, 2024: Pacing and Clinical Electrophysiology: PACE
Samuel H Baldinger, Désirée Burren, Fabian Noti, Helge Servatius, Jens Seiler, Antonio Madaffari, Babken Asatryan, Hildegard Tanner, Tobias Reichlin, Andreas Haeberlin, Laurent Roten
AIMS: Pacemaker (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. METHODS: From our prospective PM and ICD implantation registry, all patients who underwent PM and/or ICD implantations at our center were analyzed. Patient characteristics and outcomes of PM patients with subsequent ICD upgrade were compared to age- and sex-matched patients with de novo ICD implantation, and to PM patients without subsequent upgrade...
April 24, 2024: Pacing and Clinical Electrophysiology: PACE
Pierre Ollitrault, Jonaz Font, Virginie Ferchaud, Mayane Al Khoury, Arnaud Pellissier, Paul Milliez, Laure Champ-Rigot
No abstract text is available yet for this article.
April 22, 2024: Pacing and Clinical Electrophysiology: PACE
Christopher Sefton, Christine Tanaka-Esposito, Thomas Dresing, Justin Lee, Roy Chung
INTRODUCTION: Concomitant 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 RESULTS: This is a retrospective, observational cohort study in consecutive patients who underwent concomitant LBBAP with AV nodal ablation with advanced pulmonary disease at the Cleveland Clinic Fairview Hospital between January 2019 and January 2023...
April 20, 2024: Pacing and Clinical Electrophysiology: PACE
Francis Phan, Saket Sanghai, Uday Sandhu, Chris Verdick, Angela Krebsbach, Castigliano M Bhamidipati, Frederick A Tibayan, Peter Jessel, Charles A Henrikson
BACKGROUND: Lead dwell time is the single strongest predictor of failure and complications in transvenous lead extraction. OBJECTIVES: To report the success rate and complications of transvenous lead extractions with implant dwell time of at least 15 years. METHODS: Procedural and patient data were prospectively collected into a database. The excimer laser was the primary method for lead extraction with the use of mechanical rotational sheaths and femoral snares at operator discretion...
April 20, 2024: Pacing and Clinical Electrophysiology: PACE
Jen-Hung Huang, Yung-Kuo Lin, Ming-Hsiung Hsieh, Shih-Ann Chen, Yi-Jen Chen
BACKGROUND: Atrial 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. METHODS: Patients experiencing sustained paroxysmal AF for more than 3 h were observed using 24-h ambulatory Holter monitoring...
April 17, 2024: Pacing and Clinical Electrophysiology: PACE
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
BACKGROUND: Several 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 ablation METHODS: We conducted a retrospective study of 161 consecutive patients (32% female, age 65 ± 10 years) who underwent repeat AF ablation after index PV isolation between 2010 and 2022...
April 11, 2024: Pacing and Clinical Electrophysiology: PACE
Warren D Backman, Michael V DiCaro, Xintong Zuo, Adelqui Peralta, Ariela R Orkaby
BACKGROUND: Patients ≥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. METHODS: Prospective cohort study (July 2016-May 2019) in an electrophysiology clinic. Presence of advance directives (health care proxies [HCP] and living wills [LW], or medical orders for life-sustaining treatment [MOLST]) was determined by medical record review...
April 10, 2024: Pacing and Clinical Electrophysiology: PACE
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 pacemaker implantation in a neonate with hemodynamic instability as a stabilizing measure and discuss technical challenges for the same...
April 9, 2024: Pacing and Clinical Electrophysiology: PACE
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