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Tachycardia ablation

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https://www.readbyqxmd.com/read/29784485/p-wave-analysis-in-the-era-of-atrial-fibrillation-ablation
#1
REVIEW
Fabio M Leonelli, Emanuela T Locati, Giuseppe Bagliani, Roberto De Ponti, Luigi Padeletti, Laura Cipolletta, Alessandro Capucci
The common arrhythmia atrial fibrillation (AF) is incompletely understood. The mechanism of initiation and the perpetuation of AF remain speculative. This article summarizes current knowledge of the complex relationship between arrhythmias triggering AF and their long-term effects on atrial tissue, leading to perpetuation of tachycardia. It focuses on the role of the electrocardiogram (ECG) from AF diagnosis to identification of sinus P wave abnormalities predicting future occurrences. The role of ambulatory ECG recordings in managing AF and the use of frequency analysis determining degree of organization and identification of AF triggers are discussed...
June 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29782689/common-and-distinctive-electrocardiographic-characteristics-and-effective-catheter-ablation-of-idiopathic-ventricular-arrhythmias-originating-from-different-areas-of-ventricular-septum-adjacent-to-atrioventricular-annulus
#2
Su-Qin Zhang, Cheng Zheng, Yue-Chun Li, Kang-Ting Ji, Ri-Peng Yin, Jia-Feng Lin, Jia Li
OBJECTIVE: To investigate electrocardiographic (ECG) characteristics and radiofrequency catheter ablation (RFCA) efficacy for premature ventricular complexes (PVCs) and idiopathic ventricular tachycardias (IVTs) originating from ventricular septum areas adjacent to atrioventricular annulus (VS-AVA). METHODS: Among 1505 consecutive PVCs/IVTs cases, 106 (7.04%) were confirmed as origin of VS-AVA guided by both fluoroscopy and three-dimensional mapping system during RFCA...
May 21, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29778240/the-autonomic-neural-mechanism-of-right-ventricular-outflow-tract-tachycardia
#3
Hung-Yu Chang, Li-Wei Lo, Yu-Ruey Chen, Yu-Hui Chou, Wei-Lun Lin, Yenn-Jiang Lin, Wei-Hsian Yin, An-Ning Feng, Shih-Ann Chen
BACKGROUND: Ventricular tachycardia (VT) and ventricular premature complexes (VPCs) originating from the right ventricular outflow tract (RVOT) are generally considered as benign arrhythmias, with ECG morphology showing LBBB pattern and inferior axis. Pathogenic mechanisms in the genesis of RVOT VT/VPC remain largely unknown. We aimed to investigate the neural mechanism in RVOT ventricular arrhythmias in canine model. METHODS: Twelve mongrel dogs (13.7 ± 1...
July 2018: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29769223/comprehensive-multicenter-study-of-the-common-isthmus-in-post-atrial-fibrillation-ablation-multiple-loop-atrial-tachycardia
#4
Masateru Takigawa, Nicolas Derval, Philippe Maury, Ruairidh Martin, Arnaud Denis, Shinsuke Miyazaki, Seigo Yamashita, Antonio Frontera, Konstantinos Vlachos, Takeshi Kitamura, Ghassen Cheniti, Greégoire Massoullieé, Nathaniel Thompson, Claire A Martin, Michael Wolf, Xavier Pillois, Josselin Duchateau, Nicolas Klotz, Alexandre Duparc, Anne Rollin, Thomas Pambrun, Frédéric Sacher, Hubert Cochet, Mélèze Hocini, Michel Haiïssaguerre, Pierre Jaiïs
BACKGROUND: Characteristics of multiple-loop atrial tachycardia (AT) circuits have never precisely examined. METHODS: In 193 consecutive post-atrial fibrillation ablation patients with AT, 44 multiple-loop ATs including 42 dual-loop AT and 2 triple-loop AT in 41 (21.2%) were diagnosed with the high-resolution mapping system and analyzed off-line. RESULTS: In dual-loop ATs, 3 types were identified: type M, a combination of 2 anatomic macroreentrant ATs (AMATs) in 19 (43...
June 2018: Circulation. Arrhythmia and Electrophysiology
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
#5
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/29759837/clinical-features-and-sites-of-ablation-for-patients-with-incessant-supraventricular-tachycardia-from-concealed-nodofascicular-and-nodoventricular-tachycardias
#6
Frederick T Han, Eric M Riles, Nitish Badhwar, Melvin M Scheinman
OBJECTIVES: This study sought to describe the clinical features and sites of successful ablation for incessant nodofascicular (NF) and nodoventricular (NV) tachycardias. BACKGROUND: Incessant supraventricular tachycardias have been associated with tachycardia-induced cardiomyopathies and have been previously attributed to permanent junctional reciprocating tachycardias, atrial tachycardias, and atrioventricular nodal re-entrant tachycardias. Incessant concealed NF and NV tachycardias have not been described previously...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759836/ventricular-tachycardia-ablation-should-we-be-impelled-to-do-more
#7
EDITORIAL
John L Sapp, Marc W Deyell
No abstract text is available yet for this article.
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759835/hemodynamic-support-in-ventricular-tachycardia-ablation-an-international-vt-ablation-center-collaborative-group-study
#8
Mohit K Turagam, Venkat Vuddanda, Donita Atkins, Pasquale Santangeli, David S Frankel, Roderick Tung, Marmar Vaseghi, William H Sauer, Wendy Tzou, Nilesh Mathuria, Shiro Nakahara, Timm M Dickfeld, T Jared Bunch, Peter Weiss, Luigi Di Biase, Venkat Tholakanahalli, Kairav Vakil, Usha B Tedrow, William G Stevenson, Paolo Della Bella, Kalyanam Shivkumar, Francis E Marchlinski, David J Callans, Andrea Natale, Madhu Reddy, Dhanunjaya Lakkireddy
OBJECTIVES: This study sought to evaluate the clinical outcomes of patients receiving hemodynamic support (HS) during ventricular tacchycardia (VT) ablation. BACKGROUND: There are limited real-world data evaluating its effect of HS in ablation outcomes. METHODS: An analysis of 1,655 patients from the International VT Ablation Center Collaborative group was performed. A total of 105 patients received HS with percutaneous ventricular assist device...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759790/ablation-of-a-unique-focal-ventricular-tachycardia-in-repaired-truncus-arteriosus
#9
Ashish N Doshi, Bradley C Clark, Charles I Berul
No abstract text is available yet for this article.
August 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759784/atrial-tachycardias-after-surgical-atrial-fibrillation-ablation-clinical-characteristics-electrophysiological-mechanisms-and-ablation-outcomes-from-a-large-multicenter-study
#10
Rakesh Gopinathannair, Philip L Mar, Muhammad Rizwan Afzal, Luigi Di Biase, Yixi Tu, Thanmay Lakkireddy, Jaimin R Trivedi, Mark S Slaughter, Andrea Natale, Dhanunjaya Lakkireddy
OBJECTIVES: The clinical characteristics, electrophysiological mechanisms, and ablation outcomes of post-surgical atrial fibrillation ablation (SAFA) atrial tachycardias (ATs) have not been studied in a large, multicenter cohort. BACKGROUND: ATs are often seen following SAFA. METHODS: Analysis was performed on 137 patients (age, 62 ± 10 years; 74% male) who underwent catheter ablation for symptomatic post-SAFA AT from 2004 to 2013 at 3 high-volume institutions in the United States...
August 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759680/esophageal-damage-during-epicardial-ventricular-tachycardia-ablation
#11
Jacob S Koruth, Edward W Chu, Rahul Bhardwaj, Srinivas Dukkipati, Vivek Y Reddy
No abstract text is available yet for this article.
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759673/characterization-of-ventricular-tachycardia-after-left-ventricular-assist-device-implantation-as-destination-therapy-a-single-center-ablation-experience
#12
Joshua D Moss, Erin E Flatley, Andrew D Beaser, John H Shin, Hemal M Nayak, Gaurav A Upadhyay, Martin C Burke, Valluvan Jeevanandam, Nir Uriel, Roderick Tung
OBJECTIVES: This study sought to report mechanisms of ventricular tachycardia (VT) and outcomes of VT ablation in patients with a left ventricular assist device (LVAD) as destination therapy. BACKGROUND: Continuous flow LVAD implantation plays a growing role in the management of end-stage heart failure, and VT is common. There are limited reports of VT ablation in patients with a destination LVAD. METHODS: Patients with a continuous-flow LVAD referred for VT ablation from 2010 to 2016 were analyzed retrospectively...
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759622/5-year-outcome-of-pulmonary-vein-isolation-by-loss-of-pace-capture-on-the-ablation-line-versus-electrical-circumferential-pulmonary-vein-isolation
#13
Julia Moser, Arian Sultan, Jakob Lüker, Helge Servatius, Tim Salzbrunn, Manuel Altenburg, Benjamin Schäffer, Doreen Schreiber, Ruken Ö Akbulak, Julia Vogler, Boris A Hoffmann, Stephan Willems, Daniel Steven
OBJECTIVES: This study sought to compare long-term arrhythmia-free survival between electrical circumferential pulmonary vein isolation (PVI) and PVI with the endpoint of unexcitability along the ablation line. BACKGROUND: PVI is the standard ablation strategy of paroxysmal atrial fibrillation, although arrhythmia recurrence in long-term follow-up (FU) is high. The endpoint of unexcitability along the ablation line results in decreased arrhythmia recurrence compared to electrical PVI in 1-year FU...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759619/catheter-ablation-for-cardiac-arrhythmias-utilization-and-in-hospital-complications-2000-to-2013
#14
Seyed Mohammadreza Hosseini, Guy Rozen, Ahmed Saleh, Jeena Vaid, Yitschak Biton, Kasra Moazzami, E Kevin Heist, Moussa C Mansour, M Ihsan Kaadan, Mark Vangel, Jeremy N Ruskin
OBJECTIVES: This study sought to investigate the utilization of and in-hospital complications in patients undergoing catheter ablation in the United States from 2000 to 2013 by using the National Inpatient Sample and Nationwide Inpatient Sample. BACKGROUND: Catheter ablation has become a mainstay in the treatment of a wide range of cardiac arrhythmias. METHODS: This study identified patients 18 years of age and older who underwent inpatient catheter ablation from 2000 to 2013 and had 1 primary diagnosis of any of the following arrhythmias: atrial fibrillation, atrial flutter, supraventricular tachycardia, or ventricular tachycardia...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759543/long-term-outcomes-of-catheter-ablation-of-electrical-storm-in-nonischemic-dilated-cardiomyopathy-compared-with-ischemic-cardiomyopathy
#15
Daniele Muser, Jackson J Liang, Rajeev K Pathak, Silvia Magnani, Simon A Castro, Tatsuya Hayashi, Fermin C Garcia, Gregory E Supple, Michael P Riley, David Lin, Sanjay Dixit, Erica S Zado, David S Frankel, David J Callans, Francis E Marchlinski, Pasquale Santangeli
OBJECTIVES: The goal of this study was to determine the long-term outcomes of catheter ablation (CA) of electrical storm in patients with nonischemic dilated cardiomyopathy (NIDCM) compared with patients with ischemic cardiomyopathy (ICM). BACKGROUND: CA of ventricular tachycardia (VT) electrical storm has been shown to improve VT-free survival in patients with ICM. Data on the outcomes of CA of electrical storm in patients with NIDCM are insufficient. METHODS: The study included 267 consecutive patients with NIDCM (n = 71; ejection fraction 32 ± 14%) and ICM (n = 196; ejection fraction 28 ± 12%)...
July 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759537/real-time-localization-of-ventricular-tachycardia-origin-from-the-12-lead-electrocardiogram
#16
John L Sapp, Meir Bar-Tal, Adam J Howes, Jonathan E Toma, Ahmed El-Damaty, James W Warren, Paul J MacInnis, Shijie Zhou, B Milan Horáček
OBJECTIVES: The aim of this study was to develop rapid computational methods for identifying the site of origin of ventricular activation from the 12-lead electrocardiogram. BACKGROUND: Catheter ablation of ventricular tachycardia in patients with structural heart disease frequently relies on a substrate-based approach, which may use pace mapping guided by body-surface electrocardiography to identify culprit exit sites. METHODS: Patients undergoing ablation of scar-related VT (n = 38) had 12-lead electrocardiograms recorded during pacing at left ventricular endocardial sites (n = 1,012) identified on 3-dimensional electroanatomic maps and registered to a generic left ventricular endocardial surface divided into 16 segments and tessellated into 238 triangles; electrocardiographic data were reduced for each lead to 1 variable, consisting of QRS time integral...
July 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759533/12-lead-electrocardiogram-to-localize-region-of-abnormal-electroanatomic-substrate-in-arrhythmogenic-right-ventricular-cardiomyopathy
#17
Cory M Tschabrunn, Haris M Haqqani, Pasquale Santangeli, Erica S Zado, Francis E Marchlinski
OBJECTIVES: The purpose of this study was to evaluate the relationship between electrocardiogram (ECG) QRS fragmentation (fQRS) and right ventricular (RV) endocardial (ENDO) and epicardial (EPI) electroanatomic substrate abnormalities in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC). BACKGROUND: fQRS is frequently observed in patients with ARVC and reflects delayed conduction due to RV fibrosis. METHODS: A total of 30 consecutive patients met the task force criteria for ARVC (19 men, mean age 41...
July 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759505/right-ventricular-subepicardial-hematoma-following-ventricular-tachycardia-ablation
#18
Alexey Tsyganov, Svetlana Fedulova, Sergey Mironovich, Angelina Dzeranova, Ekaterina Fetisova
No abstract text is available yet for this article.
October 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29756200/ablation-of-symptomatic-ventricular-tachycardia-after-surgical-correction-of-ventricular-septal-defect-in-childhood-using-high-density-mapping-how-precise-is-ensite-precision
#19
Maciej Wójcik, Łukasz Konarski, Piotr Aljabali, Przemysław Zając, Robert Błaszczyk
No abstract text is available yet for this article.
2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29755938/successful-elimination-of-recurrent-ventricular-tachycardia-by-epicardial-ablation-over-coronary-artery-supplying-postinfarction-aneurysm
#20
Kenichiro Yamagata, Petr Peichl, Josef Kautzner
No abstract text is available yet for this article.
April 2018: HeartRhythm Case Reports
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