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catheter ablation Arrhythmia

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https://www.readbyqxmd.com/read/29344680/acute-and-long-term-outcome-of-focal-atrial-tachycardia-ablation-in-the-real-world-results-of-the-german-ablation-registry
#1
Sonia Busch, Mathias Forkmann, Karl-Heinz Kuck, Thorsten Lewalter, Hüseyin Ince, Florian Straube, Heinrich Wieneke, K R Julian Chun, Lars Eckardt, Claus Schmitt, Matthias Hochadel, Jochen Senges, Johannes Brachmann
INTRODUCTION: Catheter ablation of focal atrial tachycardia (FAT) can be a challenging procedure and results have been rarely described. The purpose of this study was to determine the characteristics and results of FAT ablation in the large cohort of the German Ablation Registry. METHODS: The German Ablation Registry is a nationwide prospective multicenter database including 12566 patients who underwent an ablation procedure between 2007 and 2010. Among them 431 (3...
January 17, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29342299/benefit-of-left-atrial-appendage-electrical-isolation-for-persistent-and-long-standing-persistent-atrial-fibrillation-a-systematic-review-and-meta-analysis
#2
Jorge Romero, Gregory F Michaud, Ricardo Avendano, David F Briceño, Saurabh Kumar, Juan Carlos Diaz, Sanghamitra Mohanty, Chintan Trivedi, Carola Gianni, Domenico Della Rocca, Riccardo Proietti, Laura Perrotta, Stefano Bordignon, Julian K R Chun, Boris Schmidt, Mario Garcia, Andrea Natale, Luigi Di Biase
Aims: The long-term outcomes of left atrial appendage electrical isolation (LAAEI) in patients with non-paroxysmal atrial fibrillation (AF) have corroborated the significant role of the LAA in this arrhythmia. We sought to investigate the incremental benefit of LAAEI in patients undergoing catheter ablation for persistent AF or long-standing persistent AF (LSPAF). Methods and results: A systematic review of Medline, Cochrane, and Embase for all the clinical studies in which assessment LAAEI in non-paroxysmal AF patients was performed...
January 12, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29338549/sedation-in-cardiac-arrhythmias-management
#3
Federico Guerra, Giulia Stronati, Alessandro Capucci
Procedural sedation is of paramount importance for a plethora of electrophysiological procedures. From electrical cardioversion to electrophysiology studies, device implantations, and catheter ablations, intraprocedural sedation and anesthesia have a pivotal role in allowing procedural success while ensuring patient safety and avoiding discomfort. Areas covered: The present review will discuss the current state-of-the-art in sedation and anesthesia during electrical cardioversion, cardiac implantable electronic device implantation, catheter ablation and electrophysiology studies...
January 17, 2018: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29327638/hybrid-and-surgical-procedures-for-the-treatment-of-persistent-and-longstanding-persistent-atrial-fibrillation
#4
Jose M Sanchez, Ghannam Al-Dosari, Sherman Chu, Ramin Beygui, Tobias Deuse, Nitish Badhwar, Randall J Lee
Atrial fibrillation (AF) is the most common cardiac arrhythmia. The incidence of AF increases with age and is associated with increased stroke, heart failure and mortality. Persistent and long standing persistent AF is difficult to treat and often refractory to medical therapy and catheter ablation. Areas covered: This article reviews the historical development of the surgical Cox-MAZE procedure and current hybrid and minimally invasive surgical approaches for the treatment of persistent and long standing persistent AF...
January 12, 2018: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29326836/minimally-invasive-epicardial-surgical-ablation-alone-versus-hybrid-ablation-for-atrial-fibrillation-a-systematic-review-and-meta-analysis
#5
Charles M Pearman, Shi S Poon, Laura J Bonnett, Shouvik Haldar, Tom Wong, Neeraj Mediratta, Dhiraj Gupta
Maintaining sinus rhythm in patients with non-paroxysmal AF is an elusive goal. Some suggest that hybrid ablation, combining minimally invasive epicardial surgical ablation with endocardial catheter ablation, may be more effective than either modality alone. However, randomised trials are lacking. We investigated whether hybrid ablation is more effective than epicardial ablation alone at preventing recurrent AF by performing a systematic review and meta-analysis. The review was prospectively registered with PROSPERO (CRD42016043389)...
December 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/29326834/ablation-of-atrial-fibrillation-in-patients-with-congenital-heart-disease
#6
Marwan M Refaat, Jad Ballout, Moussa Mansour
With improved surgical techniques and medical management for patients with congenital heart diseases, more patients are living longer and well into adulthood. This improved survival comes with a price of increased morbidity, mainly secondary to increased risk of tachyarrhythmias. One of the major arrhythmias commonly encountered in this subset of cardiac patients is AF. Similar to the general population, the risk of AF increases with advancing age, and is mainly secondary to the abnormal anatomy, abnormal pressure and volume parameters in the hearts of these patients and to the increased scarring and inflammation seen in the left atrium following multiple surgical procedures...
December 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/29326128/idiopathic-ventricular-arrhythmias-originating-from-the-vicinity-of-the-communicating-vein-of-cardiac-venous-systems-at-the-left-ventricular-summit
#7
Yuki Komatsu, Akihiko Nogami, Yasutoshi Shinoda, Keita Masuda, Takeshi Machino, Kenji Kuroki, Hiro Yamasaki, Yukio Sekiguchi, Kazutaka Aonuma
BACKGROUND: The communicating vein (CV) between the great cardiac vein and small cardiac venous systems passes between the aortic and pulmonary annulus and is located in close association with the left ventricular summit (summit CV). METHODS AND RESULTS: Thirty-one patients with idiopathic ventricular arrhythmias (VAs) underwent mapping of the left ventricular summit by using a 2F microcatheter introduced into the summit CV with coronary sinus venographic guidance...
January 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29325697/early-stable-sinus-rhythm-associated-with-greater-success-five-years-following-surgical-ablation
#8
Niv Ad, Sari D Holmes
BACKGROUND: An important challenge in surgical ablation for atrial fibrillation (AF) is the scarcity of publications on credible predictors of long-term success in procedures performed with ablation tools that produce consistently reliable transmural lesions. We examined factors associated with 1-year success and no atrial arrhythmia (AA) recurrence during 1-5 years after surgical ablation for AF. METHODS: Surgical ablation patients with complete rhythm follow-up at 12 months after surgery were followed prospectively (N=743)...
January 8, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29317972/high-density-mapping-in-ventricular-tachycardia-ablation-a-pentaray%C3%A2-study
#9
Petra Maagh, Arnd Christoph, Henning Dopp, Markus Sebastian Mueller, Gunnar Plehn, Axel Meissner
Background: High-density mapping of ventricular tachycardia (VT) with PentaRay® (Biosense-Webster) provides high resolution with discrimination of local abnormal electrograms and slow conducting channels. We evaluate the feasibility of PentaRay® to characterize the anatomical substrate and assume an influence of the outcome despite limitations. Methods: Over a 24-month period, 26 endocardial and four epicardial maps were obtained of 26 VT patients (18 ischemic cardiomyopathy (ICM, 69...
December 2017: Cardiology Research
https://www.readbyqxmd.com/read/29315411/improving-procedural-and-one-year-outcome-after-contact-force-guided-pulmonary-vein-isolation-the-role-of-interlesion-distance-ablation-index-and-contact-force-variability-in-the-close-protocol
#10
Thomas Phlips, Philippe Taghji, Milad El Haddad, Michael Wolf, Sébastien Knecht, Yves Vandekerckhove, René Tavernier, Mattias Duytschaever
Aims: We have recently shown that a contact force (CF)-guided ablation protocol respecting region-specific criteria of lesion contiguity and lesion depth ('CLOSE' protocol) is associated with high incidence of acute durable pulmonary vein (PV) isolation (PVI) and a high single-procedure arrhythmia-free survival at 1 year. In the present study, we compared efficiency, safety, and efficacy of 'CLOSE'-guided PVI to conventional CF-guided PVI (CONV-CF). Methods and results: Fifty consecutive paroxysmal atrial fibrillation (AF) patients underwent PV encircling using a CF-sensing catheter targeting an interlesion distance (ILD) ≤6 mm and ablation index (AI) ≥400 and ≥550 at posterior and anterior wall ('CLOSE' group)...
January 4, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29310330/can-catheter-ablation-reduce-the-incidence-of-thromboembolic-events-in-patients-with-atrial-fibrillation-protocol-for-a-systematic-review-and-meta-analysis
#11
Menghui Liu, Yuanping Wang, Xiaohong Chen, Xiaohui Li, Xiaodong Zhuang, Lichun Wang
Atrial fibrillation (AF), the most common cardiac arrhythmia, is a major risk factor for thromboembolic events, especially ischemic stroke. Catheter ablation is an effective method to maintain sinus rhythm in patients with AF. Although some observational studies have shown a relatively lower stroke rate after catheter ablation, whether catheter ablation can reduce the thromboembolic risk in patients with AF remains unclear. We aim to perform a systematic review to determine whether catheter ablation can prevent thromboembolism in patients with AF...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29309556/statistics-on-the-use-of-cardiac-electronic-devices-and-interventional-electrophysiological-procedures-in-africa-from-2011-to-2016-report-of-the-pan-african-society-of-cardiology-pascar-cardiac-arrhythmias-and-pacing-task-forces
#12
Aimé Bonny, Marcus Ngantcha, Mohamed Jeilan, Emmy Okello, Bundhoo Kaviraj, Mohammed A Talle, George Nel, Eloi Marijon, Mahmoud U San, Zaheer Yousef, Kamilu M Karaye, Ibrahim A Touré, Mohamed A Awad, George Millogo, Jonas Kologo, Adama Kane, Romain Houndolo, Anastase Dzudié, Amam Mbakwem, Bongani M Mayosi, Ashley Chin
Aims: To provide comprehensive information on the access and use of cardiac implantable electronic devices (CIED) and catheter ablation procedures in Africa. Methods and results: The Pan-African Society of Cardiology (PASCAR) collected data on invasive management of cardiac arrhythmias from 2011 to 2016 from 31 African countries. A specific template was completed by physicians, and additional information obtained from industry. Information on health care systems, demographics, economics, procedure rates, and specific training programs was collected...
December 21, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29305400/effect-of-baseline-antiarrhythmic-drug-on-outcomes-with-ablation-in-ischemic-ventricular-tachycardia-a-vanish-substudy-ventricular-tachycardia-ablation-versus-escalated-antiarrhythmic-drug-therapy-in-ischemic-heart-disease
#13
Ratika Parkash, Isabelle Nault, Lena Rivard, Lorne Gula, Vidal Essebag, Pablo Nery, Stanley Tung, Jean-Marc Raymond, Laurence Sterns, Steve Doucette, George Wells, Anthony S L Tang, William G Stevenson, John L Sapp
BACKGROUND: The VANISH trial (Ventricular Tachycardia Ablation Versus Escalated Antiarrhythmic Drug Therapy in Ischemic Heart Disease) compared the effectiveness of escalated antiarrhythmic drug therapy to catheter ablation in patients with prior myocardial infarction, an implanted defibrillator, and ventricular tachycardia (VT). The effectiveness of these interventions in patients on sotalol versus amiodarone was compared. METHODS AND RESULTS: Analysis was conducted based on whether patients had recurrent VT, despite amiodarone (amio-refractory) or nonamiodarone drugs (sotalol-refractory)...
January 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29298352/the-safety-and-efficacy-of-hybrid-ablation-for-the-treatment-of-atrial-fibrillation-a-meta-analysis
#14
Yun-Qiu Jiang, Ying Tian, Li-Jun Zeng, Shu-Nan He, Zhi-Tao Zheng, Liang Shi, Yan-Jiang Wang, Yu-Xing Wang, Xian-Dong Yin, Xiao-Qing Liu, Xin-Chun Yang, Xing-Peng Liu
INTRODUCTION: Hybrid ablation, an emerging therapy that combines surgical intervention and catheter ablation, has become a viable option for the treatment of persistent atrial fibrillation. In this analysis, we aimed to evaluate the safety and efficacy of hybrid ablation, as well as compare the outcomes of one-step and staged approaches. METHODS: We conducted a search in major online databases and selected the studies that met the inclusion criteria. The primary endpoint was defined as no episode of atrial fibrillation or atrial tachycardia lasting longer than 30 seconds without administration of antiarrhythmic drugs...
2018: PloS One
https://www.readbyqxmd.com/read/29289359/safety-of-uninterrupted-periprocedural-edoxaban-versus-phenprocoumon-for-patients-who-underwent-left-atrial-catheter-ablation-procedures
#15
Marc Kottmaier, Felix Bourier, Hannah Pausch, Tilko Reents, Verena Semmler, Martha Telishevska, Katharina Koch-Büttner, Carsten Lennerz, Sarah Lengauer, Marielouise Kornmayer, Elena Rousseva, Stephanie Brooks, Amir Brkic, Sonia Ammar-Busch, Bernhard Kaess, Roger Dillier, Christian Grebmer, Christoph Kolb, Gabriele Hessling, Isabel Deisenhofer
Data about the safety of edoxaban in patients who underwent left atrial (LA) radiofrequency (RF) ablation procedures are lacking. This study sought to compare the safety of uninterrupted edoxaban with uninterrupted phenprocoumon administration during LA RF ablation for atrial fibrillation and atrial tachycardia. In total, 231 patients (mean age 64 ± 11years, male 71%) who underwent LA RF ablation under continuous oral anticoagulation (OAC) with edoxaban or phenprocoumon were included in the study. Patients on uninterrupted edoxaban (60 mg or 30 mg/day for at least 4 weeks) were matched for gender, age and type of arrhythmia with 2 patients on uninterrupted phenprocoumon (international normalized ratio 2 to 3)...
November 23, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29277686/accurate-localization-and-catheter-ablation-of-superoparaseptal-accessory-pathways
#16
Qiang Liu, Michael Shehata, David Z Lan, Ashkan Ehdaie, Eugenio Cingolani, Sumeet S Chugh, Guosheng Fu, Chenyang Jiang, Xunzhang Wang
BACKGROUND: There remains some confusion delineating the accurate location and the detailed anatomic relationship between atrioventricular accessory pathways (APs) located in the superoparaseptal region. OBJECTIVE: To detail the anatomic relationship and accurate location of APs located in the superoparaseptal region. METHODS: Between 2009 and 2016, 11 patients with superoparaseptal accessory pathways (SPS-APs) were identified in 129 consecutive patients who underwent catheter ablation for APs in our center...
December 22, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29250297/pulmonary-vein-isolation-with-the-multipolar-nmarq%C3%A2-ablation-catheter-efficacy-and-safety-in-acute-and-long-term-follow-up
#17
REVIEW
Siebermair Johannes, Michelle Silver, Wakili Reza
Pulmonary vein isolation (PVI) is an established therapy for atrial fibrillation (AF). One challenge in the catheter-based treatment of this arrhythmia is to develop an effective and safe ablation approach to achieve durable and consistent lesions around the PVs. The multipolar irrigated radiofrequency (RF) ablation catheter nMARQTM was designed as a single-shot device with the aim to achieve these goals. This article reviews the current literature with respect to acute- and long- term success rates after PVI with this circular mapping and ablation device...
April 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29250276/comparison-of-the-efficancy-and-complication-rates-of-the-hybrid-maze-complete-cox-maze-and-catheter-ablation-in-the-treatment-of-atrial-fibrillation
#18
Ivo K Genev, Lindsey A Tompkins, Manorama M Khare, Farhad Farokhi
Introduction: Atrial fibrillation is the most common cardiac arrhythmia in the United States. It has been associated with a reduction in patient quality of life and more serious complications such as stroke and heart failure. The aim of this study was to compare the efficacy of commonly performed invasive procedures in keeping patients in normal sinus rhythm. Methods and Results: A retrospective chart review was performed on all patients who underwent primary radiofrequency catheter ablation, the complete Cox-maze, or the hybrid maze at OSF Saint Anthony Medical Center between January 2010 and December 2013 (n=140)...
February 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29250264/comparison-of-initial-la-patterns-as-the-road-to-successful-endocardial-box-lesion-ablation
#19
Aleksei S Kovalev, Leo A Bockeria, Andrey G Filatov
Atrial fibrillation (AF) is the most common arrhythmia in the population. Still there is no unity in understanding of mechanisms and their influence on catheter ablation results. In our study we tried to evaluate accurate initial quantitative indicators of electromechanical remodeling that can border patients from expected good to expected poor results of catheter ablation. We performed electroanatomical mapping and ablation procedures in 94 patient (45 female) in 2012 with 3-year follow-up period. The target points were left atria surface area, complex fragmentation atrial electrograms (CFAE) duration and surface area...
February 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29250243/efficacy-of-catheter-ablation-and-concomitant-antiarrhythmic-drugs-on-the-reduction-of-the-arrhythmia-burden-in-patients-with-long-standing-persistent-atrial-fibrillation
#20
Atsuhiko Yagishita, Yasuteru Yamauchi, Hironori Sato, Shu Yamashita, Tatsuhiko Hirao, Takamichi Miyamoto, Kenzo Hirao
Background: Little is known about the long-term outcome and recurrent form recurrence after catheter ablation of atrial fibrillation (AF) in patients with long-standing persistent AF. Methods: Two hundred thirty-six patients with persistent AF (193 men; age, 61.5±10.7 years) were enrolled, and were classified according to the duration of AF: AF duration of <1 year (group A, n=99), between 1 to 5 years (group B, n=101), and ≥5 years (group C, n=36). The long-term recurrence rate and recurrent form were compared among the groups...
October 2017: Journal of Atrial Fibrillation
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