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Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing

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https://www.readbyqxmd.com/read/28624892/a-meta-analysis-of-manual-versus-remote-magnetic-navigation-for-ventricular-tachycardia-ablation
#1
Mohit K Turagam, Donita Atkins, Roderick Tung, Moussa Mansour, Jeremy Ruskin, Jie Cheng, Luigi Di Biase, Andrea Natale, Dhanunjaya Lakkireddy
BACKGROUND: There are limited studies on the safety and efficacy of remote magnetic navigation (RMN) versus manual navigation (MAN) in ventricular tachycardia (VT) ablation. METHODS: A comprehensive literature search was performed using the keywords VT ablation, stereotaxis, RMN and MAN in Pubmed, Ebsco, Web of Science, Cochrane, and Google scholar databases. RESULTS: The analysis included seven studies (one randomized, three prospective observational, and three retrospective) including 779 patients [both structural heart disease (SHD) and idiopathic VT] comparing RMN (N = 433) and MAN (N = 339) in VT ablation...
June 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28624891/frontal-placement-of-dispersive-patch-for-effective-ablation-of-arrhythmia-originating-from-the-anterior-right-ventricular-outflow-tract
#2
Piotr Futyma, Piotr Kułakowski
No abstract text is available yet for this article.
June 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28612230/right-atrial-diameter-and-outcome-of-catheter-ablation-of-atrial-fibrillation
#3
Song -Nan Wen, Nian Liu, Rong Bai, Ri-Bo Tang, Rong-Hui Yu, De-Yong Long, Cai-Hua Sang, Chen-Xi Jiang, Song-Nan Li, Jia-Hui Wu, Yan-Fei Ruan, Rong Hu, Xin Du, Xiao-Hui Liu, Jian-Zeng Dong, Chang-Sheng Ma
PURPOSE: While AF is considered more like a left atrial (LA) disease, to what extent the right atrium contributes to the pathogenesis and ablation outcome of AF remains unclear. This study aimed to identify if right atrial diameter (RAD) could predict arrhythmia recurrence after catheter ablation of atrial fibrillation (AF). METHODS: Four hundred and seventy patients with drug-resistant AF [paroxysmal AF (PAF) 196; non-PAF 274] who underwent primary catheter ablation were enrolled...
June 13, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28600672/significant-reduction-in-procedure-duration-in-remote-magnetic-guided-catheter-ablation-of-atrial-fibrillation-using-the-third-generation-magnetic-navigation-system
#4
Tilman Maurer, Christian Sohns, Sebastian Deiss, Laura Rottner, Peter Wohlmuth, Bruno Reißmann, Christian H Heeger, Christine Lemes, Johannes Riedl, Francesco Santoro, Shibu Mathew, Andreas Metzner, Feifan Ouyang, Karl-Heinz Kuck, Erik Wissner
PURPOSE: The magnetic navigation system (MNS) has shown to be safe and effective for catheter ablation of atrial fibrillation (AF). However, longer procedure duration as compared to manual catheter ablation may limit its widespread use. This study aimed to assess the impact of the newest generation MNS using an optimized mapping and ablation protocol on the efficacy and safety of remote magnetic catheter (RMC)-guided pulmonary vein isolation (PVI). METHODS: This observational study included 52 patients with symptomatic AF who underwent RMC-guided PVI using the second-generation MNS Niobe II (initial 28 patients, group I) or the third-generation MNS Niobe ES in combination with an optimized mapping and ablation protocol (24 patients, group II)...
June 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28600671/health-care-utilization-among-adenosine-sensitive-supraventricular-tachycardia-patients-presenting-to-the-emergency-department
#5
Thomas A Dewland, Adam Oesterle, John Stein, Gregory M Marcus
PURPOSE: Although adenosine-sensitive supraventricular tachycardia (SVT) is generally curable, it remains an important cause of healthcare utilization. We sought to determine predictors of health care utilization among SVT patients presenting to the emergency department (ED). METHODS: We studied consecutive patients evaluated in an urban, academic ED for adenosine-sensitive SVT. The primary study outcomes were (1) ambulance transportation to the index ED visit, (2) hospital admission from the index ED encounter, and (3) recurrent SVT-associated ED encounters...
June 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28573498/single-freeze-strategy-with-the-second-generation-cryballoon-for-atrial-fibrillation-a-multicenter-international-retrospective-analysis-in-a-large-cohort-of-patients
#6
Valentina De Regibus, Saverio Iacopino, Juan Pablo Abugattas, Hugo Enrique Coutiño, Giacomo Mugnai, Cesare Storti, Giulio Conte, Angelo Auricchio, Darragh Moran, Erwin Ströker, Luis Marroquin, Ken Takarada, Rajin Choudhury, Carlo de Asmundis, Pedro Brugada, Gian-Battista Chierchia
PURPOSE: The second-generation cryoballoon (CB-A, Arctic Front Advance, Medtronic, Minneapolis, MN, USA) has proven to be highly effective in achieving freedom from atrial fibrillation; nonetheless, the ideal number and duration of freezing cycles is still a matter of debate. We investigated the acute success, procedural complications, and clinical outcome of a single freeze strategy using the CB-A in a large, retrospective, international multicenter study. METHODS: Between January 2013 and September 2015, 818 consecutive patients (58 ± 12 years, 68% males) with drug-resistant atrial fibrillation (AF) who underwent a CB-A using a single freeze strategy were taken into consideration for our analysis...
June 1, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28567579/left-atrial-appendage-volume-as-a-new-predictor-of-atrial-fibrillation-recurrence-after-catheter-ablation
#7
Pedro Pinto Teixeira, Mário Martins Oliveira, Ruben Ramos, Pedro Rio, Pedro Silva Cunha, Ana Sofia Delgado, Ricardo Pimenta, Rui Cruz Ferreira
PURPOSE: Recurrence of atrial fibrillation (AF) after catheter ablation is common, being clinically relevant to identify predictors of recurrence. The left atrial appendage (LAA) role as an AF trigger is scarcely explored. Our aim was to identify if LAA volume is an independent predictor of AF recurrence after catheter ablation. METHODS: We analysed 52 patients (aged 54 ± 10 years, 58% male) with paroxysmal and persistent AF who underwent a first AF catheter ablation and had performed contrast-enhanced cardiac computed tomography (CT) prior to the procedure...
May 31, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28536837/controlled-sedation-with-midazolam-and-analgesia-with-nalbuphine-to-alleviate-pain-in-patients-undergoing-subcutaneous-implantable-cardioverter-defibrillator-implantation
#8
Michaël Peyrol, Jérémie Barraud, Jennifer Cautela, Baptiste Maille, Marc Laine, Laurent Bonello, Franck Thuny, Franck Paganelli, Frédéric Franceschi, Linda Koutbi, Samuel Levy
PURPOSE: Subcutaneous implantable cardioverter defibrillator (S-ICD) is an alternative to transvenous ICD to prevent sudden cardiac death. Subcutaneous ICD implantation frequently requires general anesthesia because of procedure nociceptive steps during creation of a large device pocket and lead tunneling. This study aims to determine if a strategy of operator-guided controlled sedation with midazolam and analgesia with nalbuphine is effective in alleviating pain during S-ICD implantation...
May 23, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28451774/relationship-between-left-atrium-catheter-contact-force-and-pacing-threshold
#9
Teresa Barrio-López, Mercedes Ortiz, Eduardo Castellanos, Carla Lázaro, Jefferson Salas, Sergio Madero, Jesús Almendral
PURPOSE: The purpose of this study is to analyze the relationship between contact force (CF) and pacing threshold in left atrium (LA). METHODS: Six to ten LA sites were studied in 28 consecutive patients with atrial fibrillation undergoing pulmonary vein isolation. Median CF, bipolar and unipolar electrogram voltage, impedance, and bipolar and unipolar thresholds for consistent constant capture and for consistent intermittent capture were measured at each site. RESULTS: Pacing threshold measurements were performed at 188 LA sites...
April 27, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28432503/high-voltage-zones-within-the-pulmonary-vein-antra-major-determinants-of-acute-pulmonary-vein-reconnections-after-atrial-fibrillation-ablation
#10
Koichi Nagashima, Ichiro Watanabe, Yasuo Okumura, Kazuki Iso, Keiko Takahashi, Ryuta Watanabe, Masaru Arai, Sayaka Kurokawa, Toshiko Nakai, Kimie Ohkubo, Shunichi Yoda, Atsushi Hirayama
PURPOSE: Recurrence of atrial fibrillation (AF) after pulmonary vein isolation (PVI) is mainly due to PV reconnections. Patient-specific tissue characteristics that may contribute remain unidentified. This study aimed to assess the relationship between the bipolar electrogram voltage amplitudes recorded from the PV-left atrial (LA) junction and acute PV reconnection sites. METHODS: Three-dimensional LA voltage maps created before an extensive encircling PVI in 47 AF patients (31 men; mean age 62 ± 11 years) were examined for an association between the EGM voltage amplitude recorded from the PV-LA junction and acute post-PVI PV reconnections (spontaneous PV reconnections and/or ATP-provoked dormant PV conduction)...
April 21, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28417288/troponin-t-elevation-after-permanent-pacemaker-implantation
#11
Xueying Chen, Ziqing Yu, Jin Bai, Shulan Hu, Wei Wang, Shengmei Qin, Jingfeng Wang, Zhe Sun, Yangang Su, Junbo Ge
PURPOSE: The objective of the study is to study the incidence, significance, and factors associated with cardiac troponin T (CTNT) elevation after pacemaker implantation. METHODS: Three hundred seventy-four patients (104 single-chamber pacemakers or ICD, 243 dual-chamber pacemakers, and 27 cardiac resynchronization therapy/cardiac resynchronization therapy defibrillator) who had normal levels of CTNT at baseline and underwent implantation of a permanent pacemaker system were included in this study...
April 18, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28417287/predictors-of-arrhythmia-recurrence-after-balloon-cryoablation-of-atrial-fibrillation-the-value-of-caap-af-risk-scoring-system
#12
Mohamed Sanhoury, Massimo Moltrasio, Fabrizio Tundo, Stefania Riva, Antonio Dello Russo, Michela Casella, Claudio Tondo, Gaetano Fassini
PURPOSE: In the present study, we aimed to test the value of CAAP-AF score for prediction of atrial fibrillation (AF) recurrence at follow-up in a group of our patients treated by balloon cryoablation. METHODS: A total of 283 symptomatic drug-refractory AF patients [261 (92%) with paroxysmal AF] who underwent pulmonary vein isolation (PVI) with second-generation cryoballoon between April 2012 and October 2016 were included. The CAAP-AF score was calculated for every patient...
April 18, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28413855/frequency-of-pacemaker-malfunction-associated-with-monopolar-electrosurgery-during-pulse-generator-replacement-or-upgrade-surgery
#13
Yun Lin, Daniel P Melby, Balaji Krishnan, Selcuk Adabag, Venkatakrishna Tholakanahalli, Jian-Ming Li
PURPOSE: The aim of this study is to investigate the frequency of electrosurgery-related pacemaker malfunction. METHODS: A retrospective study was conducted to investigate electrosurgery-related pacemaker malfunction in consecutive patients undergoing pulse generator (PG) replacement or upgrade from two large hospitals in Minneapolis, MN between January 2011 and January 2014. The occurrence of this pacemaker malfunction was then studied by using MAUDE database for all four major device vendors...
April 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28413854/use-of-a-pocket-compression-device-for-the-prevention-and-treatment-of-pocket-hematoma-after-pacemaker-and-defibrillator-implantation-stop-hematoma-i
#14
Mohit K Turagam, Darbhamulla V Nagarajan, Krzysztof Bartus, Akash Makkar, Vijay Swarup
BACKGROUND: Pocket hematoma is a recognized complication after placement of cardiac implantable electronic devices and is associated with increased device infection, length of hospitalization, and morbidity especially with uninterrupted antiplatelet agents and anticoagulants. We assessed the use of a post-surgical vest to decrease the incidence of pocket hematoma in patients undergoing device implantation with uninterrupted antiplatelet and anticoagulants. METHODS: In this observational study, a vest was used by 20 consecutive patients who were compared to 20 age-, gender-, procedure-matched patients who received standard care...
April 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28391548/isolation-of-the-superior-vena-cava-to-block-unidirectional-exit-conduction-from-the-right-sided-pulmonary-veins-during-atrial-fibrillation-ablation
#15
Gabor Szeplaki, John Keaney, Edward Keelan, Joanne Valentine, Joseph Galvin
No abstract text is available yet for this article.
April 8, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28386822/rapid-mapping-and-differentiation-in-ventricular-outflow-tract-arrhythmia-using-non-contact-mapping
#16
Kazuo Miyazawa, Marehiko Ueda, Yusuke Kondo, Tomohiko Hayashi, Miyo Nakano, Masayuki Ishimura, Masahiro Nakano, Yoshio Kobayashi
PURPOSE: Ventricular outflow tract arrhythmias (VOTAs) can be successfully treated by catheter ablation. However, it is sometimes difficult to differentiate the origin of VOTAs between the right ventricular outflow tract (RVOT) and the other sites, leading to a long fluoroscopy time and unnecessary radiofrequency applications. This study aimed to clarify distinguishable characteristics of the propagation pattern obtained from non-contact mapping (NCM) for VOTA ablation. METHODS: Consecutive 45 patients with VOTAs who underwent catheter ablation using the NCM system were included in this study...
April 6, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28386821/identifying-patients-with-less-potential-to-benefit-from-implantable-cardioverter-defibrillator-therapy-comparison-of-the-performance-of-four-risk-scoring-systems
#17
Amit Kaura, Nicholas Sunderland, Ravi Kamdar, Edward Petzer, Theresa McDonagh, Francis Murgatroyd, Para Dhillon, Paul Scott
PURPOSE: Patients at high non-sudden cardiac death risk may gain no significant benefit from implantable cardioverter-defibrillator (ICD) therapy. A number of approaches have been proposed to identify these patients, including single clinical markers and more complex scoring systems. The aims of this study were to use the proposed scoring systems to (1) establish how many current ICD recipients may be too high risk to derive significant benefit from ICD therapy and (2) evaluate how well the scoring systems predict short-term mortality in an unselected ICD cohort...
April 6, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28364320/repetitive-atrial-activation-during-ongoing-atrial-fibrillation-comparison-using-different-mapping-algorithms-preliminary-findings
#18
Philipp Halbfass, Patrick Müller, Karin Nentwich, Kai Sonne, Karsten Hamm, Sebastian Barth, Franziska Fochler, Andreas Mügge, Thomas Deneke
PURPOSE: Targeting repetitive sources identified during atrial fibrillation (focal impulse and rotor modulation, FIRM) has been used as an ablation strategy using specific mapping tools. Aim of this study was to evaluate FIRM mapped rotors with a new multipolar mapping algorithm. METHODS: Patients with persistent atrial fibrillation undergoing FIRM ablation were included. Mapping of left atrial rotors was performed with a 64-pole basket catheter in conjunction with a specialized phase mapping algorithm...
March 31, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28357713/relationship-of-the-lungs-to-the-left-atrium-of-particular-relevance-for-ablation-of-atrial-fibrillation
#19
Katie A Walsh, David Keane, Gerard J Fahy
BACKGROUND: Symptoms of possible lung and pleural injury such as chest pain and hemoptysis occur during and after radiofrequency ablation (RFA) and cryoablation (CA) of the left atrium (LA) for treatment of atrial fibrillation (AF). We determined the anatomical relationship of the lungs to the LA with particular reference to areas commonly targeted during AF ablation. METHODS: Distances from the LA endocardium to the lungs were measured from pre-procedure CT angiograms of 100 consecutive patients (71 males, age 60 ± 8 years) who underwent AF ablation...
March 29, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28374072/outcomes-following-cryoballoon-ablation-for-atrial-fibrillation-guided-by-pressure-waveform-monitoring-without-the-routine-use-of-pulmonary-venography
#20
Akshit Sharma, Jashdeep Dhoot, Jingyan Wang, Philip Jones, Sanjaya Gupta, Alan P Wimmer
PURPOSE: Pressure waveform analysis has the potential for facilitated assessment of pulmonary vein occlusion during cryoballoon ablation for atrial fibrillation. Data on clinical outcomes using this method are lacking. We sought to validate through clinical outcomes the use of pressure waveform analysis as the primary method of determining pulmonary vein occlusion during cryoballoon ablation. METHODS: A study was performed of 122 consecutive patients with atrial fibrillation (85% paroxysmal) undergoing cryoballoon ablation from May 2014 through July 2015 at a single institution using pressure waveform analysis as the primary method of assessing pulmonary vein occlusion...
June 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
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