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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/29766449/value-of-an-old-school-approach-safety-and-long-term-success-of-radiofrequency-current-catheter-ablation-of-atrioventricular-nodal-reentrant-tachycardia-in-children-and-young-adolescents
#1
Henrike Siebels, Christian Sohns, Jan-Hendrik Nürnberg, Jürgen Siebels, Klaus Langes, Joachim Hebe
PURPOSE: Radiofrequency current energy (RFC) ablation is still considered as the gold standard for atrioventricular nodal reentrant tachycardia (AVNRT). Success-rates for AVNRT ablation vary irrespective of the ablation technology and strategy. This study aimed to access safety, efficacy, and long-term outcome of RFC catheter ablation for the treatment of AVNRT in children and adolescents aged < 19 years with special focus on modulation versus ablation of the AV nodal slow pathway (SP)...
May 15, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29749578/the-relationship-between-the-p-wave-and-local-atrial-electrogram-in-predicting-conduction-block-during-catheter-ablation-of-cavo-tricuspid-isthmus-dependent-atrial-flutter
#2
Miki Yokokawa, Mohamad C Sinno, Mohammed Saeed, Rakesh Latchamsetty, Hamid Ghanbari, Thomas Crawford, Krit Jongnarangsin, Ryan Cunnane, Frank Pelosi, Frank Bogun, Aman Chugh, Fred Morady, Hakan Oral
PURPOSE: The endpoint for radiofrequency catheter ablation (RFA) of cavo-tricuspid isthmus (CTI)-dependent atrial flutter (AFL) is complete conduction block along the CTI. The purpose of this study is to evaluate the utility of the temporal relationship between the P wave and the local atrial electrograms in determining complete CTI block. METHODS: RFA of CTI was performed in 125 patients (age 63 ± 11 years). During pacing from the coronary sinus (CS), the intervals from the peak of the P wave (Ppeak ) in lead V1 to the second component of the local atrial electrogram (A2 ) along the ablation line (Ppeak -A2 ) and from the end of the P wave (Pend ) to A2 (Pend -A2 ) were investigated before and after complete block in the first 100 patients (training set)...
May 11, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29740728/transvenous-cardiac-implantable-electronic-device-implantation-in-patients-with-persistent-left-superior-vena-cava-in-a-tertiary-center
#3
Xueying Chen, Ziqing Yu, Jin Bai, Wei Wang, Shengmei Qin, Jingfeng Wang, Zhe Sun, Fei Han, Yangang Su, Junbo Ge
PURPOSE: Persistent left superior vena cava (PLSVC) is rare and often asymptomatic, which might cause difficulties in the implantation of cardiac implantable electronic devices (CIEDs). The aim of this study was to determine the prevalence of PLSVC and to study the clinical characteristics and significance of PLSVC in patients with CIED implantation. METHODS: Thirty-three patients with PLSVC were collected from 7047 CIED recipients over recent 10 years in our center...
May 9, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29737447/predicting-value-of-coupling-interval-variability-in-determining-the-origin-of-ventricular-premature-contractions-with-v3-transition
#4
Umut Celikyurt, Aysen Agir, Irem Karauzum, Kurtulus Karauzum, Tayfun Sahin, Ahmet Vural
PURPOSE: We aimed to investigate the predictive value of coupling interval variability (ΔCI) in determining the origin of idiopathic outflow tract ventricular tachycardia (OTVT) with V3 transition. METHODS: We reviewed data from 126 patients who underwent catheter ablation of OTVT between 2015 and 2018 at our institution. We identified 32 patients of successful OTVT ablation with a precordial transition at V3 derivation. The ΔCI (maximum - minimum CI) was measured...
May 8, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29732527/electrical-isolation-of-the-superior-vena-cava-by-laser-balloon-ablation-in-patients-with-atrial-fibrillation
#5
Martín R Arceluz, Pedro F Cruz, Estela Falconi, Rosa Montes de Oca, Reina Delgado, Jorge Figueroa, Marta Ortega, José L Merino
PURPOSE: The aim of the present study is to evaluate the feasibility and safety of SVC electrical isolation by LB ablation in patients with atrial fibrillation (AF) referred for pulmonary vein isolation (PVI). METHODS: Electrical disconnection of the SVC was attempted by LB in 13 consecutive patients (59 ± 10.5 years, 11 male) with AF following PVI. PVI was successfully achieved by standard LB in all before attempting SVC isolation. RESULTS: A laser beam was delivered with 6...
May 7, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29725891/device-embolization-into-the-lv-following-left-atrial-endage-closure-with-an-amplatzer-amulet
#6
Krzysztof Kaczmarek, Bartosz Czarniak, Piotr Jakubowski, Pawel Ptaszynski
No abstract text is available yet for this article.
May 3, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29713860/first-time-description-of-early-lead-failure-of-the-linox-smart-lead-compared-to-other-contemporary-high-voltage-leads
#7
Vanessa Weberndörfer, Tobias Nyffenegger, Ian Russi, Miriam Brinkert, Benjamin Berte, Stefan Toggweiler, Richard Kobza
PURPOSE: Early lead failure has recently been reported in ICD patients with Linox SD leads. We aimed to compare the long-term performance of the following lead model Linox Smart SD with other contemporary high-voltage leads. METHODS: All patients receiving high-voltage leads at our center between November 2009 and May 2017 were retrospectively analyzed. Lead failure was defined as the occurrence of one or more of the following: non-physiological high-rate episodes, low- or high-voltage impedance anomalies, undersensing, or non-capture...
May 1, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29680973/iatrogenic-atrial-septal-defect-reassurance-or-inquisitiveness
#8
EDITORIAL
Niyada Naksuk, Samuel J Asirvatham
No abstract text is available yet for this article.
April 22, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29680972/prophylactic-catheter-ablation-of-ventricular-tachycardia-in-ischemic-cardiomyopathy-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#9
REVIEW
Varunsiri Atti, Venkat Vuddanda, Mohit K Turagam, Praveen Vemula, Zubair Shah, Himakar Nagam, Srikanth Yandrapalli, Mohammad-Ali Jazayeri, Scott Koerber, Juan Viles Gonzalez, Andrea Natale, Luigi Di Biase, Dhanunjaya R Lakkireddy
BACKGROUND: Catheter ablation is proven to be an effective strategy for drug refractory ventricular tachycardia (VT) in ischemic cardiomyopathy. However, the appropriate timing of VT ablation and identifying the group of patients that may receive the greatest benefit remains uncertain. There is limited data on the effect on prophylactic catheter ablation (PCA) in the prevention of implantable cardioverter defibrillator (ICD) therapy, electrical storm, and mortality. METHODS: We performed a comprehensive literature search through November 1, 2017, for all eligible studies comparing PCA + ICD versus ICD only in eligible patients with ischemic cardiomyopathy...
April 21, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29680971/use-of-impedance-based-catheter-tip-to-tissue-contact-assessment-electroanatomic-coupling-index-eci-in-typical-right-atrial-flutter-ablation
#10
Massimiliano Maines, Francesco Peruzza, Alessandro Zorzi, Domenico Catanzariti, Carlo Angheben, Maurizio Del Greco
PURPOSE: The electrical coupling index (ECI) (Abbott, USA) is a marker of tissue contact and ablation depth developed particularly for atrial fibrillation treatment. We sought to evaluate if these measures can be also a marker of lesion efficacy during cavotricuspid isthmus (CTI) ablation for typical right atrial flutter. METHODS: We assessed the ECI values in patients undergoing typical right atrial flutter point-by-point ablation guided by the Ensite Velocity Contact™ (St...
April 21, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29679186/impact-of-an-additional-right-pulmonary-vein-on-second-generation-cryoballoon-ablation-for-atrial-fibrillation-a-propensity-matched-score-study
#11
Ken Takarada, Erwin Ströker, Juan-Pablo Abugattas, Valentina de Regibus, Hugo-Enrique Coutiño, Ian Lusoc, Lucio Capulzini, Juan Sieira, Giacomo Mugnai, Francesca Salghetti, Rajin Choudhury, Saverio Iacopino, Carlo de Asmundis, Pedro Brugada, Gian-Battista Chierchia
PURPOSE: Cryoballoon (CB) technology in the context of anatomical pulmonary vein (PV) variants might hypothetically hamper successful PV isolation (PVI). Our aim was to assess the impact of a right middle PV (RMPV) in the setting of second-generation cryoballoon (CB advance-CB-A), on procedural parameters and on mid-term follow-up. METHODS: Consecutive patients with AF presenting RMPV (RMPV+) at the pre-procedural computed tomography who underwent PVI by CB-A were enrolled...
April 21, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29679185/comparing-learning-curves-of-two-established-single-shot-devices-for-ablation-of-atrial-fibrillation
#12
Patrick Leitz, G Mönnig, F Güner, D G Dechering, K Wasmer, F Reinke, Philipp S Lange, L Eckardt, G Frommeyer
PURPOSE: We compared the contour of learning curves of two "single-shot" devices used for pulmonary vein isolation (PVI) for safety and procedural data. METHODS: We performed a retrospective analysis comparing the first 60 PVI performed at our center using a pulmonary vein ablation catheter (PVAC) array (39 male, mean age 57 years, 42 paroxysmal AF) to the first 60 first PVI using the Cryoballoon (44 male, mean age 59 years, 22 paroxysmal AF). Both groups were further divided into tertiles, where T1 regroups the first 20 ablations, T2 the following 20, and T3 the last 20 ablations...
April 20, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29671104/long-term-follow-up-in-patients-treated-by-stent-implantation-for-post-ablation-pulmonary-vein-stenosis
#13
Elisabeth Iversen, Erik J S Packer, Synne M Sandberg, Øyvind Bleie, Per Ivar Hoff, Peter Schuster
PURPOSE: Symptomatic severe pulmonary vein stenosis (PVS) after catheter ablation of atrial fibrillation (AF) is a rare but well-recognized complication. Treatment options include pulmonary vein angioplasty with or without drug eluting balloons or angioplasty with stent implantation. The treatment of choice is unclear. In our center, pulmonary vein stenting is the treatment of choice for significantly stenotic veins. We present the long-term clinical outcome of 9 patients treated with stent implantation...
April 18, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29656326/the-impact-of-the-cartosound%C3%A2-image-directly-acquired-from-the-left-atrium-for-integration-in-atrial-fibrillation-ablation
#14
Kenichi Kaseno, Kaori Hisazaki, Kohki Nakamura, Etsuko Ikeda, Kanae Hasegawa, Daisetsu Aoyama, Yuichiro Shiomi, Hiroyuki Ikeda, Tetsuji Morishita, Kentaro Ishida, Naoki Amaya, Hiroyasu Uzui, Hiroshi Tada
PURPOSE: Intracardiac echocardiographic (ICE) imaging might be useful for integrating three-dimensional computed tomographic (CT) images for left atrial (LA) catheter navigation during atrial fibrillation (AF) ablation. However, the optimal CT image integration method using ICE has not been established. METHODS: This study included 52 AF patients who underwent successful circumferential pulmonary vein isolation (CPVI). In all patients, CT image integration was performed after the CPVI with the following two methods: (1) using ICE images of the LA derived from the right atrium and right ventricular outflow tract (RA-merge) and (2) using ICE images of the LA directly derived from the LA added to the image for the RA-merge (LA-merge)...
April 14, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29656325/dosing-of-the-second-generation-cryoballoon-using-acute-time-to-pulmonary-vein-isolation-as-an-indicator-of-durable-ablation-in-a-canine-model
#15
Wilber Su, Nicolas Coulombe, Nicole Kirchhof, Erin Grassl, Dan Wittenberger
BACKGROUND: Rigid time-based dosing protocol(s) currently used in the clinic for cryoballoon ablation of atrial fibrillation may be inadequate to guide the circumferential and transmural cryothermal energy transfer across the pulmonary vein (PV) and may result in injury to collateral tissues or electrical gaps between the PV and left atrium (LA). OBJECTIVE: A physiologic endpoint (e.g., acute time-to-PV isolation a.k.a. time-to-effect; TTE) may be effective in the determination of a transmural lesion formation and may allow for individualized ablation dosing across each PV...
April 14, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29637378/pressure-monitoring-predicts-pulmonary-vein-occlusion-in-cryoballoon-ablation
#16
Akihiro Sunaga, Masaharu Masuda, Mitsutoshi Asai, Osamu Iida, Shin Okamoto, Takayuki Ishihara, Kiyonori Nanto, Takashi Kanda, Takuya Tsujimura, Yasuhiro Matsuda, Syota Okuno, Toshiaki Mano
PURPOSE: Pulmonary venography is routinely used to confirm pulmonary vein (PV) occlusion during cryoballoon ablation. However, this technique is significantly limited by the risks associated with contrast media, such as renal injury and contrast allergy. We hypothesized that PV occlusion can be predicted by elevation of the balloon catheter tip pressure, avoiding the need for contrast media. METHODS: Forty-eight consecutive patients with paroxysmal atrial fibrillation who underwent PV isolation with the cryoballoon technique were enrolled...
April 10, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29637377/rabbit-model-to-simulate-the-residual-conduction-gaps-after-radiofrequency-ablation-on-the-anterior-wall-of-left-atrial-appendage
#17
Huaner Ni, Ying Zhuge, Lin Li, Weifeng Li, Congcong Zhao, Yujie Wang, Fang Wang
PURPOSE: Radiofrequency ablation (RFA) is widely used to treat patients with atrial fibrillation (AF), but its recurrence rate is still high mainly due to pulmonary vein reconnection and residual conduction gaps. We aim to establish a rabbit model to simulate the residual conduction gaps after ablation. METHODS: Sixty-nine adult New Zealand white rabbits were randomly assigned to six groups. RFA on the anterior wall of left atrial appendage (LAA) were performed with the ablation power from 6 to 21 W...
April 10, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29637376/history-tribute-to-ralph-lazarra-md-august-14-1934-january-16-2018
#18
EDITORIAL
Benjamin J Scherlag, Franklin G M Theelen
No abstract text is available yet for this article.
April 10, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29627955/t-wave-positivity-in-lead-avr-is-associated-with-mortality-in-patients-with-cardiac-resynchronization-therapy
#19
Yahya Kemal İçen, Yurdaer Dönmez, Hasan Koca, Mehmet Uğurlu, Mevlüt Koç
PURPOSE: Positive T wave polarity in lead aVR (TPaVR) is associated with a poor prognostic indicator in patients with heart failure reduce ejection fraction (HFrEF). Our aim was to investigate the relationship between positive TPaVR and mortality in patients with cardiac resynchronization therapy defibrillator (CRT-D). METHODS: We included retrospectively 224 HFrEF patients with CRT-D in sinus rhythm. Laboratory, electrocardiographic (ECG), and echocardiographic data were recorded...
April 8, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29627954/hemodynamic-comparison-of-different-multisites-and-multipoint-pacing-strategies-in-cardiac-resynchronization-therapies
#20
Francesco Zanon, Lina Marcantoni, Enrico Baracca, Gianni Pastore, Giuseppina Giau, Gianluca Rigatelli, Daniela Lanza, Claudio Picariello, Silvio Aggio, Sara Giatti, Marco Zuin, Loris Roncon, Domenico Pacetta, Franco Noventa, Frits W Prinzen
PURPOSE: In order to increase the responder rate to CRT, stimulation of the left ventricular (LV) from multiple sites has been suggested as a promising alternative to standard biventricular pacing (BIV). The aim of the study was to compare, in a group of candidates for CRT, the effects of different pacing configurations-BIV, triple ventricular (TRIV) by means of two LV leads, multipoint (MPP), and multipoint plus a second LV lead (MPP + TRIV) pacing-on both hemodynamics and QRS duration...
April 7, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
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