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Journal Pacing Clin Electrophysiol

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The long-term outcomes of cardiac implantable electronic devices implanted via the femoral route.

Samuel Griffiths, Jonathan M Behar, Daniel B Kramer, Mike T Debney, Christopher Monkhouse, Alicia Y Lefas, Martin Lowe, Fouad Amin, Emily Cantor, Vennella Boyalla, Nabeela Karim, Jan Till, Vias Markides, Jonathan R Clague, Tom Wong,

<h4>Introduction</h4>Conventional superior access for CIEDs is not always possible and femoral CIEDs (F-CIED) are an alternative option when leadless systems are not suitable. The long-term outcomes and extraction experiences with F-CIEDs, in particular complex F-CIED (ICD/ CRT devices), remain poorly understood.<h4>Methods</h4>Patients referred for F-CIEDs implantation between 2002 and 2019 at ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Three-Year Extraction Experience of a Novel Substernal Extravascular Defibrillation Lead in Sheep.

Amy E Thompson, Mark Marshall, Linnea Lentz, Hector Mazzetti,

<h4>Background</h4>The Extravascular ICD (EV ICD) with lead implantation in the substernal space may provide an alternative to transvenous and subcutaneous systems. This is the first-reported chronic extraction experience for EV ICD leads.<h4>Objective</h4>To evaluate the chronic encapsulation and extractability of EV ICD leads.<h4>Methods</h4>Two EV ICD leads and 1 transvenous lead were ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Result and technique consideration of radiofrequency catheter ablation of tachycardia in patients with dextrocardia.

Yuekun Zhang, Liping Sun, Fangyuan Luo, Jiaju Li, Yibo Sun, Yingwei Chen, Jianzeng Dong,

<h4>Background</h4>Patients with tachycardia, in the context of pre-existing dextrocardia, could benefit from catheter ablation. However, anatomical complexities hinder effective conduct of this procedure. We aimed to retrospectively summarize the clinical characteristics and the safety and efficiency, and recommended the technique considerations.<h4>Methods</h4>Twenty-one cases from 19 patients with tachycardia and dextrocardia, who ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Risk factors for developing pacing induced LV dysfunction: Experience from a tertiary centre in the UK.

Vijayabharathy Kanthasamy, Nikolaos Papageorgiou, Tomi Bajomo, Christopher Monkhouse, Antonio Creta, Malcolm Finlay, Pier D Lambiase, Phil Moore, Simon Sporton, Mark J Earley, Richard J Schilling, Carl Hayward, Rui Providência, Ross J Hunter, Anthony Aw Chow, Amal Muthumala,

<h4>Introduction</h4>The risk factors for developing pacing induced Left Ventricular dysfunction (LVD) in patients with high burden of right ventricular pacing (RVP) is poorly understood. Therefore, in the present study, we aimed to assess the determinants of pacing induced LVD.<h4>Methods</h4>Our data were retrospectively collected from 146 patients with RVP > 40% ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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2019 Chinese expert consensus statement on left atrial appendage closure in patients with atrial fibrillation.

He Ben, Ma Changsheng, Wu Shulin,

The left atrial appendage closure (LAAC), the efficacy and safety of which has been proved by a number of randomized controlled trials and registries, is recommended by several guidelines to prevent stroke in high-risk patients with non-valvular atrial fibrillation. However, current guidelines only discuss the indications and contraindications of LAAC, ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Feasibility and safety of left atrial access for ablation of atrial fibrillation in patients with persistent left superior vena cava.

Verena Kantenwein, Marta Telishevska, Felix Bourier, Marc Kottmaier, Amir Brkic, Elena Risse, Miruna Popa, Sarah Lengauer, Christof Kolb, Isabel Deisenhofer, Gabriele Hessling, Tilko Reents,

<h4>Background</h4>In patients with persistent left superior vena cava (PLSVC) ablation procedures can be challenging. We sought to determine the feasibility and safety of left atrial ablations in patients with PLSVC, especially when PLSVC is unknown prior to the ablation procedure.<h4>Methods and results</h4>In this retrospective analysis 15 adult patients (mean age ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Intra-carina reentrant atrial tachycardia after pulmonary vein isolation of atrial fibrillation.

Kohki Nakamura, Takehito Sasaki, Wataru Sasaki, Yumiko Haraguchi, Koki Kimura, Shigeto Naito,

A 77-year-old man underwent catheter ablation of an atrial tachycardia (AT) after a pulmonary vein (PV) isolation of atrial fibrillation. The AT appeared to be a figure-of-eight reentrant AT by high-resolution mapping: one reentrant circuit rotated clockwise within the right PV (RPV) carina and the other rotated counterclockwise via two ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Transcranial direct current stimulation in patient with J wave syndrome and implantable cardioverter defibrillator.

Susan Samani, Sahar Samimi, Reza Mollazadeh, Masoud Mehrpour,

J wave syndrome is a spectrum of proarrhythmic disorders including Brugada syndrome and early repolarization syndrome, that are prone to ventricular fibrillation and sudden cardiac death. In this case report we present a patient with Early repolarization syndrome and aborted sudden cardiac death complicated with cognitive impairment. We also investigated ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Septal Flash Correction with His-Purkinje Pacing Predicts Echocardiographic Response in Resynchronization Therapy.

Margarida Pujol-López, Rafael Jiménez Arjona, Eduard Guasch, Adelina Doltra, Roger Borràs, Ivo Roca Luque, M Ángeles Castel, Paz Garre, Elisenda Ferró, Mireia Niebla, Esther Carro, Elena Arbelo, Marta Sitges, José M Tolosana, Lluís Mont,

<h4>Introduction</h4>His-Purkinje conduction system pacing (HPCSP) has been proposed as an alternative to cardiac resynchronization therapy (CRT); however, predictors of echocardiographic response have not been described in this population. Septal flash (SF), a fast contraction and relaxation of the septum, is a marker of intraventricular dyssynchrony.<h4>Methods</h4>The study aimed to analyze whether ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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QRS area as a predictor of cardiac resynchronization therapy response: a systematic review and meta-analysis.

Nithi Tokavanich, Narut Prasitlumkum, Wimwipa Mongkonsritragoon, Angkawipa Trongtorsak, Wisit Cheungpasitporn, Ronpichai Chokesuwattanaskul,

<h4>Background</h4>QRS area, a three-dimensional QRS complex, is a novel vectorcardiography method of measuring the magnitude of electrical forces in the heart. Hypothetically, a greater QRS area denotes higher dyssynchrony and indicates potential benefits from cardiac resynchronization therapy (CRT). Previous studies suggest a positive correlation between QRS area and the degree ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Impact of lockdown during COVID-19 pandemic on physical activity and arrhythmia burden in heart failure patients.

Jörn Schmitt, Beate Wenzel, Bernd Brüsehaber, Ignasi Anguera, Joao de Sousa, Georg Nölker, Alan Bulava, Pedro Marques, Robert Hatala, Gregory Golovchiner, Jürgen Meyhöfer, Michael Ilan, ,

<h4>Background</h4>Restricted outdoor activity during COVID-19 related lockdown may accelerate heart failure (HF) progression and thereby increase cardiac arrhythmias. We analyzed the impact of March/April 2020 lockdown on physical activity and arrhythmia burden in HF patients treated with cardiac resynchronization therapy (CRT) devices with daily, automatic remote monitoring (RM) function.<h4>Methods</h4>The study ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Leadless pacemaker implantation sites confirmed by computed tomography and their parameters and complication rates.

Hirofumi Arai, Akira Mizukami, Yoshihiro Hanyu, Takuya Kawakami, Yuki Shimizu, Jiro Hiroki, Kenji Yoshioka, Hirofumi Ohtani, Maki Ono, Shu Yamashita, Ryota Iwatsuka, Daisuke Ueshima, Akihiko Matsumura, Masahiko Goya, Tetsuo Sasano,

<h4>Background</h4>Implantations of leadless pacemakers in the septum lower the risk of cardiac perforation. However, the relationship between the implantation site and the success rate, complication rate, and pacemaker parameters are not well-investigated.<h4>Methods</h4>Patients who underwent leadless pacemaker implantation with postprocedural computed tomography (CT) between September 2017 and November 2020 were analyzed. ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Evaluating systemic immune-inflammation index in patients with implantable cardioverter defibrillator for heart failure with reduced ejection fraction.

Mert İlker Hayıroğlu, Tufan Çınar, Göksel Çinier, Levent Pay, Ahmet Çağdaş Yumurtaş, Ozan Tezen, Semih Eren, Zeynep Kolak, Tuğba Çetin, Vedat Çiçek, Ahmet İlker Tekkeşin,

<h4>Background</h4>Pro-inflammatory pathways play an important role in the follow-ups of patients with intracardiac defibrillators (ICDs) for heart failure (HF) reduced with ejection fraction (HFrEF). A newly defined index - the systemic immune-inflammation index (SII)-has recently been reported to have prognostic value in patients with cardiovascular disease. This study's aim is ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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The pacemaker that forgot to pace.

Sai Durga Prakash, Siddharthan Deepti, Nitish Naik,

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Left common carotid artery to left innominate vein arteriovenous fistula after transvenous laser lead extraction.

Patrick Levesque, Benoît Plourde, Frédéric Jacques, Éric Charbonneau, Marie-Ève Audet, Jean-François Poulin, François Philippon,

Transvenous lead extraction (TLE) is used for lead infection, lead debulking, venous recanalization and device upgrades. Lead extraction is performed using specialized tools including locking stylets, mechanical or rotating sheaths, femoral snares or laser sheaths. The most feared complications associated with lead extraction are bleeding, vascular tear, cardiac avulsion and ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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What is the mechanism of this short atrio-His narrow QRS tachycardia?

Shuntaro Tamura, Yoshiaki Kaneko, Tadashi Nakajima, Takashi Kobari, Hiroshi Hasegawa, Hideki Ishii,

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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Impact of ultra-conservative ICD programming in patients with LVADs: Avoiding potentially unnecessary tachy-therapies.

Alexander Robinson, Valay Parikh, Mohammad-Ali Jazayeri, Michael Pierpoline, Y Madhu Reddy, Martin Emert, Rhea Pimentel, Raghuveer Dendi, Loren Berenbom, Amit Noheria, Rigoberto Ramirez, Andrew J Sauer, Zubair Shah, Travis Abicht, Nicholas Haglund, Seth H Sheldon,

<h4>Background</h4>Patients with left ventricular assist devices (LVAD) often tolerate ventricular arrhythmias (VA). We aim to assess the frequency and outcomes of ICD therapies averted by ultraconservative ICD programming (UCP) in LVAD patients.<h4>Methods</h4>This single center, retrospective cohort study included patients with LVADs and ICDs implanted from 2015 to 2019 that had ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2022, :]

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The missing link: Unlocking the power of cardiac rhythm monitoring device based QT interval detection.

Antony F Chu, Gautham Rajagopal, Shantanu Sarkar,

<h4>Background</h4>The QT interval is of high clinical value as QT prolongation can lead to Torsades de Pointes and sudden cardiac death. Insertable cardiac monitors (ICMs) have the capability of detecting both absolute and relative changes in QT interval. In order to determine feasibility for long-term ICM based QT detection, we ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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Wide complex tachycardia in a patient with non-ischemic cardiomyopathy: What is the diagnosis?

Chenni S Sriram, Mario D Gonzalez,

A 55-year-old male presented with acute heart failure and incessant wide complex tachycardia resembling an outflow tract ventricular tachycardia. Meticulous analysis of the electrocardiograms established the diagnosis of pre-excitation with prolonged atrio-ventricular (A-V) conduction over a decrementally conducting accessory A-V pathway. "Linking" between the accessory A-V pathway and normal A-V ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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Optimizing atrio-ventricular delay in pacemakers using potentially implantable physiological biomarkers.

Daniel Keene, Alejandra A Miyazawa, Monika Johal, Ahran D Arnold, Nadine Ali, Khulat A Saqi, Katherine March, Leah Burden, Darrel P Francis, Zachary I Whinnett, Matthew J Shun-Shin,

<h4>Background</h4>Hemodynamically optimal atrioventricular (AV) delay can be derived by echocardiography or beat-by-beat blood pressure measurements, but analysis is labor intensive. Laser Doppler perfusion monitoring measures blood flow and can be incorporated into future implantable cardiac devices. We assess whether laser Doppler can be used instead of blood pressure to optimize ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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Should add-hoc cardiac biopsy be routine in patients with cardiomyopathy of unknown etiology undergoing electrical storm ablation?

Emin Evren Ozcan, Resit Yigit Yilancioglu, Umut Dursun Inevi, Duygu Gurel, Mustafa Dogdus,

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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High rate episodes in a dual chamber pacemaker: What is the mechanism?

Vijay Shekar P, Vickram Vignesh Rangaswamy, Muthiah Subramanian, Auras R Atreya, Sachin Yalagudri, Sridevi Chennapragada, Daljeet Kaur Saggu, Calambur Narasimhan,

Detection of high rate episodes can potentially result from oversensing of physiological or nonphysiological signals. Assessment of lead integrity, lead connection and analysis of noise characteristics on electrograms are decisive steps in the evaluation of oversensing. We report a case of high atrial and ventricular rate episodes due to minute ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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Preoperative checklist to reduce the risk of cardiac implantable electronic device infections.

Matteo Ziacchi, Giulia Massaro, Andrea Angeletti, Giovanni Statuto, Igor Diemberger, Cristian Martignani, Nazzareno Galiè, Mauro Biffi, Giuseppe Boriani,

Cardiac implantable electronic device (CIED) infection represents a dramatic event with a high mortality rate (>3x) despite antibiotic therapy and device extraction; therefore, the real winning strategy in this situation could be represented by prevention. Antibiotic prophylaxis and antibiotic-releasing envelope are effective in improving patient outcome; however, healthcare costs related ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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What to do with device-detected atrial high-rate episodes: Summary of the evidences.

Gurbet Özge Mert, Alper Kepez, Kadir Uğur Mert, Bülent Görenek,

Cardiac implanted electronic devices (CIEDs), that perform atrial sensing via an atrial electrode, commonly detect self-terminating atrial arrhythmias. Nomenclature of these arrhythmias is defined as atrial high-rate episodes (AHREs) and subclinical atrial fibrillation (SCAF). We have provided a comprehensive summation of the trials regarding the incidence and adverse outcomes of ... Read more >>

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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The ICD calls it VT but points out to a different diagnosis!

Ramil Goel, Mitchel Zhang, William M Miles,

Pacing Clin Electrophysiol (Pacing and clinical electrophysiology : PACE)
[2021, :]

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