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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/28432503/high-voltage-zones-within-the-pulmonary-vein-antra-major-determinants-of-acute-pulmonary-vein-reconnections-after-atrial-fibrillation-ablation
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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/28374072/outcomes-following-cryoballoon-ablation-for-atrial-fibrillation-guided-by-pressure-waveform-monitoring-without-the-routine-use-of-pulmonary-venography
#9
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...
April 4, 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
#10
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/28361212/catheter-ablation-of-a-left-posterior-fascicular-ventricular-tachycardia-guided-by-a-novel-high-resolution-multipolar-mapping-catheter
#11
Giulio Conte, Maria Luce Caputo, François Regoli, Tiziano Moccetti, Angelo Auricchio
No abstract text is available yet for this article.
March 30, 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
#12
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/28332055/ultrasound-guided-vascular-access-in-the-electrophysiology-lab-should-it-be-a-standard-of-care
#13
EDITORIAL
Christine C Tanaka-Esposito, Patrick Tchou
No abstract text is available yet for this article.
March 22, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28315135/repeat-procedures-using-the-second-generation-cryoballoon-for-recurrence-of-atrial-fibrillation-after-initial-ablation-with-conventional-radiofrequency
#14
Valentina De Regibus, Saverio Iacopino, Juan-Pablo Abugattas, Giacomo Mugnai, Darragh Moran, Erwin Ströker, Hugo-Enrique Coutino, Ken Takarada, Rajin Choudhury, Gaetano Paparella, Vincent Umbrain, Pedro Brugada, Carlo de Asmundis, Gian-Battista Chierchia
PURPOSE: Pulmonary vein isolation is now widely accepted for the treatment of symptomatic atrial fibrillation refractory to antiarrhythmic drugs. However, multiple procedures are often required to significantly reduce atrial fibrillation (AF) recurrence. In the present study, we analyzed the acute results and the midterm clinical outcome of a second-generation cryoballoon ablation (CB-A) performed during repeat procedures for recurrence of AF after an initial procedure performed with conventional radiofrequency (RF)...
March 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28299537/minimal-invasive-right-ventricular-and-atrial-pacemaker-lead-repositioning-as-a-first-alternative-is-superior-in-avoiding-pocket-complications-with-passive-fixation-leads
#15
István Osztheimer, Szabolcs Szilágyi, Zsuzsanna Pongor, Endre Zima, Levente Molnár, Tamás Tahin, Emin Evren Özcan, Gábor Széplaki, Béla Merkely, László Gellér
PURPOSE: Lead dislocations of pacemaker systems are reported in all and even in high-volume centers. Repeated procedures necessitated by lead dislocations are associated with an increased risk of complications. We investigated a minimal invasive method for right atrial and ventricular lead repositioning. METHODS: The minimal invasive method was applied only when passive fixation leads were implanted. During the minimal invasive procedure, a steerable catheter was advanced through the femoral vein to move the distal end of the lead to the appropriate position...
March 15, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28286908/special-program-and-abstract-issue-of-the-13th-annual-congress-of-the-european-cardiac-arrhythmia-society-ecas-2-4-april-2017-rome-italy-congress-center-of-the-hotel-westin-excelsior-hotel
#16
(no author information available yet)
No abstract text is available yet for this article.
March 13, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28285383/adenosine-administration-during-hybrid-atrial-fibrillation-ablation-to-test-dormant-pulmonary-vein-conduction
#17
Mindy Vroomen, Mark La Meir, Jos G Maessen, Harry J Crijns, Laurent Pison
BACKGROUND: Adenosine administration after initial pulmonary vein isolation (PVI) reveals dormant conduction and predicts atrial fibrillation (AF) recurrence. Elimination of dormant conduction when present may increase a long-term success rate of AF ablation procedures. There are no studies till date using adenosine to reveal acute reconduction of pulmonary veins (PVs) after epicardial PVI during a hybrid AF ablation procedure. METHODS: We included 24 patients (21 male, 55 ± 9 years) undergoing hybrid ablation for symptomatic paroxysmal (n = 12) and persistent (n = 12) AF, using an epicardial bipolar radiofrequency clamp to perform PVI...
March 11, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28285382/impact-of-deep-sedation-on-the-electrophysiological-behavior-of-pulmonary-vein-and-non-pv-firing-during-catheter-ablation-for-atrial-fibrillation
#18
Ryohsuke Narui, Seiichiro Matsuo, Ryota Isogai, Kenichi Tokutake, Kenichi Yokoyama, Mika Kato, Keiichi Ito, Shin-Ichi Tanigawa, Seigo Yamashita, Michifumi Tokuda, Keiichi Inada, Kenri Shibayama, Satoru Miyanaga, Kenichi Sugimoto, Michihiro Yoshimura, Teiichi Yamane
PURPOSE: Catheter ablation for atrial fibrillation is performed with and without deep sedation, which could affect the arrhythmogenic activity during the procedure. We investigated the impact of sedation on electrophysiological properties in patients with AF who underwent catheter ablation. METHODS: This study consisted of 255 consecutive patients with atrial fibrillation (229 males, persistent: 105 patients) who underwent a single-catheter ablation procedure. The patients were divided into the following two groups according to the depth of sedation during the procedure: group M (mild sedation with flunitrazepam in 138 patients) and group D (deep sedation with propofol in 117 patients)...
March 11, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28283860/long-term-outcome-after-second-generation-cryoballoon-ablation-for-paroxysmal-atrial-fibrillation-a-3-years-follow-up
#19
Ken Takarada, Ingrid Overeinder, Carlo de Asmundis, Erwin Stroker, Giacomo Mugnai, Valentina de Regibus, Darragh Moran, Hugo Coutino-Moreno, Juan-Pablo Abugattas, Rajin Choudhury, Diego Ruggiero, Gaetano Paparella, Saverio Iacopino, Pedro Brugada, Gian-Battista Chierchia
BACKGROUND: The second-generation cryoballoon (cryoballoon Advance; CB-A) offers excellent outcomes on the mid-term follow-up. To the best of our knowledge, little is known regarding the long-term outcome after CB-A ablation for paroxysmal atrial fibrillation (AF). OBJECTIVE: The aim of the study was to evaluate the freedom from recurrence of AF during a 3-year follow-up period, among consecutive patients having undergone pulmonary vein isolation (PVI) with the CB-A for paroxysmal AF (PAF)...
March 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28271292/prevalence-of-right-atrial-non-pulmonary-vein-triggers-in-atrial-fibrillation-patients-treated-with-thyroid-hormone-replacement-therapy
#20
Ki-Hun Kim, Sanghamitra Mohanty, Prasant Mohanty, Chintan Trivedi, Eli Hamilton Morris, Pasquale Santangeli, Rong Bai, Amin Al-Ahmad, John David Burkhardt, Joseph G Gallinghouse, Rodney Horton, Javier E Sanchez, Shane Bailey, Patrick M Hranitzky, Jason Zagrodzky, Soo G Kim, Luigi Di Biase, Andrea Natale
BACKGROUND: Thyroid hormone (TH) is known to enhance arrhythmogenicity, and high-normal thyroid function is related with an increased recurrence of atrial fibrillation (AF) after catheter ablation. However, the impact of thyroid hormone replacement (THR) on AF ablation is not well known. METHODS: This study evaluated 1163 consecutive paroxysmal AF patients [160 (14%) on THR and 1003 (86%) without THR] undergoing their first catheter ablation. A total of 146 patients on THR and 146 controls were generated by propensity matching, based on calculated risk factor scores, using a logistic model (age, sex, body mass index, and left atrium size)...
March 7, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
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