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Catheter ablation

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https://www.readbyqxmd.com/read/29774696/future-perspectives-on-endoscopic-ultrasonography-guided-therapy-for-pancreatic-neoplasm
#1
Woo Hyun Paik, Sang Hyub Lee, Sunguk Jang
Endoscopic ultrasonography (EUS)-guided therapy with ethanol injection or catheter-based radiofrequency ablation for pancreatic neoplasm has been conducted as a potential alternate treatment modality for patients who are not eligible for surgery. On the basis of the limited number of studies available, EUS-guided ablation therapy with the aforementioned methods for small pancreatic neoplasms has demonstrated promising technical feasibility and safety profiles. To be considered as a legitimate alternative option to surgery, however, EUS-guided ablation therapy must provide a long-term efficacy profile along with the consensus among experts regarding its treatment parameter...
May 18, 2018: Clinical Endoscopy
https://www.readbyqxmd.com/read/29773211/treating-obstructive-sleep-apnea-with-continuous-positive-airway-pressure-reduces-risk-of-recurrent-atrial-fibrillation-after-catheter-ablation-a-meta-analysis
#2
REVIEW
Feilong Deng, Ali Raza, Jun Guo
INTRODUCTION: Recent studies have suggested that there is a strong relationship between obstructive sleep apnea (OSA) and atrial fibrillation (AF). However, they have not identified whether treating OSA with continuous positive airway pressure (CPAP) might reduce rates of recurrent AF. OBJECTIVE: To investigate the recurrent risk of AF after catheter ablation among patients with OSA who did receive or did nor receive CPAP therapy. METHODS: A systematic review of PubMed, Embase, Medline, Cochrane library, China National Knowledge Infrastructure (CNKI) and Wan-fang databases was conducted to obtain relevant cohort studies and randomized controlled trials (RCTs)...
June 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29772927/design-and-simulation-of-novel-laparoscopic-renal-denervation-system-a-feasibility-study
#3
Eunbi Ye, Jinhwan Baik, Seunghyun Lee, Seon Young Ryu, Sunchoel Yang, Eue-Keun Choi, Won Hoon Song, Hyeong Dong Yuk, Chang Wook Jeong, Sung-Min Park
PURPOSE: In this study, we propose a novel laparoscopy-based renal denervation (RDN) system for treating patients with resistant hypertension. In this feasibility study, we investigated whether our proposed surgical instrument can ablate renal nerves from outside of the renal artery safely and effectively and can overcome the depth-related limitations of the previous catheter-based system with less damage to the arterial walls. METHOD: We designed a looped bipolar electrosurgical instrument to be used with laparoscopy-based RDN system...
May 18, 2018: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/29770216/assessment-of-a-novel-cryoablation-device-for-the-endovascular-treatment-of-cardiac-tachyarrhythmias
#4
John M Baust, Anthony Robilotto, Peter Guerra, Kristi K Snyder, Robert G Van Buskirk, Marc Dubuc, John G Baust
Objectives: Cryoablation is an effective alternative treatment for cardiac arrhythmias offering shortened recovery and reduced side effects. As the use of cryoablation increases, the need for new devices and procedures has emerged. This has been driven by technological limitations including lengthy periods to generate a single lesion (3-5 min), uncertain transmurality, and differential efficacy. Furthermore, due to limited ablation capacity under high heat loads, cryo has had limited success in the treatment of ventricular arrhythmias...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29768672/catheter-ablation-for-atrial-fibrillation-on-uninterrupted-direct-oral-anticoagulants-a-safe-approach
#5
V Sawhney, M Shaukat, E Volkova, N Jones, R Providencia, S Honarbakhsh, G Dhillon, A Chow, M Lowe, P Lambiase, M Dhinoja, S Sporton, M J Earley, R J Schilling, R J Hunter
BACKGROUND: Current consensus guidelines suggest DOACs are interrupted peri-procedurally for catheter ablation (CA) of AF. However, this may predispose patients to thromboembolic complications. This study investigates the safety of CA for AF on uninterrupted DOACs compared to uninterrupted warfarin. METHODS: Single centre, retrospective study of consecutive patients undergoing CA for AF. All patients were heparinised prior to trans-septal puncture with a target activated clotting time (ACT) of 300-350 seconds...
May 16, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29768386/are-left-ventricular-ejection-fraction-and-left-atrial-diameter-related-to-atrial-fibrillation-recurrence-after-catheter-ablation-a-meta-analysis
#6
Xiao Jin, Jianke Pan, Huanlin Wu, Danping Xu
Atrial fibrillation (AF), the most common form of arrhythmia, is associated with the prevalence of many common cardiovascular and cerebrovascular diseases. Catheter ablation is considered the first-line therapy for AF; however, AF recurrence is very common after catheter ablation. Studies have been performed to analyze the factors associated with AF recurrence, but none have reached a consistent conclusion on whether left ventricular ejection fraction (LVEF) and left atrial diameter (LA diameter) affect AF recurrence after catheter ablation...
May 2018: Medicine (Baltimore)
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
#7
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/29761335/-biomarkers-and-atrial-fibrillation-prediction-of-recurrences-and-thromboembolic-events-after-rhythm-control-management
#8
REVIEW
Jelena Kornej, Katja Schumacher, Daniela Husser, Gerhard Hindricks
Atrial fibrillation (AF) is the most common arrhythmia in clinical praxis and is associated with an increased risk for cardio- and cerebrovascular complications leading to an increased mortality. Catheter ablation represents one of the most important and efficient therapy strategies in AF patients. Nevertheless, the high incidence of arrhythmia recurrences after catheter ablation leads to repeated procedures and higher treatment costs. Recently, several scores had been developed to predict rhythm outcomes after catheter ablation...
May 14, 2018: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/29759785/manual-versus-robotic-catheter-ablation-for-the-treatment-of-atrial-fibrillation-the-man-and-machine-trial
#9
Andreas Rillig, Boris Schmidt, Luigi Di Biase, Tina Lin, Leonie Scholz, Christian H Heeger, Andreas Metzner, Daniel Steven, Peter Wohlmuth, Stephan Willems, Chintan Trivedi, Joseph G Galllinghouse, Andrea Natale, Feifan Ouyang, Karl-Heinz Kuck, Roland Richard Tilz
OBJECTIVES: Circumferential pulmonary vein isolation (CPVI) using irrigated radiofrequency is the most frequently used ablation technique for the treatment of atrial fibrillation worldwide. BACKGROUND: To date, no large randomized multicenter trials have evaluated the efficacy and safety of CPVI using robotic navigation (RN) systems compared with the current gold standard of manual ablation (MN). METHODS: In this prospective, international multicenter noninferiority trial, 258 patients with paroxysmal or persistent atrial fibrillation were randomized for CPVI using either RN (RN group, n = 131) or manual ablation (MN group, n = 127)...
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/29759774/assessment-of-left-atrial-fibrosis-by-late-gadolinium-enhancement-magnetic-resonance-imaging-methodology-and-clinical-implications
#11
REVIEW
Johannes Siebermair, Eugene G Kholmovski, Nassir Marrouche
Recently, studies using late gadolinium enhancement (LGE) magnetic resonance imaging (MRI) to identify structural changes of atrial tissue have contributed significantly to understanding the pathophysiology and progression of atrial fibrillation (AF). Moreover, imaging of atrial fibrosis using MRI has evolved to be a tool to improve clinical outcome of AF ablation procedures by allowing a patient-specific individualized management approach. LGE-MRI has been shown to predict AF ablation outcome based on pre-procedural imaging to define the extent of atrial fibrosis...
August 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759706/the-human-left-atrial-venous-circulation-as-a-vascular-route-for-atrial-pharmacological-therapies-effects-of-ethanol-infusion
#12
Miguel Valderrábano, Percy Francisco Morales, Moisés Rodríguez-Mañero, Candela Lloves, Paul A Schurmann, Amish S Dave
OBJECTIVES: This study catalogued the human venous left atrium (LA) circulation system and the ablative effects of ethanol in different branches. BACKGROUND: Vascular routes to target the LA could have significant therapeutic potential. Beyond the vein of Marshall (VOM), the fluoroscopic LA venous anatomy has not been described. METHODS: Patients undergoing ethanol infusion in the VOM as adjunctive therapy to atrial fibrillation (AF) catheter ablation were included in this study...
September 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759675/risk-of-catheter-ablation-for-atrial-fibrillation
#13
EDITORIAL
Domenico Corrado, Alessandro Zorzi
No abstract text is available yet for this article.
December 11, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759674/population-based-evaluation-of-major-adverse-events-after-catheter-ablation-for-atrial-fibrillation
#14
Michelle Samuel, Mohammad Almohammadi, Meytal Avgil Tsadok, Jacqueline Joza, Cynthia A Jackevicius, Maria Koh, Hassan Behlouli, Atul Verma, Louise Pilote, Vidal Essebag
OBJECTIVES: The purpose of this study was to evaluate the safety and incidence of periprocedural adverse events (AEs) among patients who underwent catheter ablation (CA) for atrial fibrillation (AF) in Quebec and Ontario, Canada. BACKGROUND: CA is evolving into the mainstay therapy for patients with symptomatic AF refractory to antiarrhythmic medication. However, the safety of CA at the population level over time requires further evaluation. METHODS: A population-based cohort was constructed using administrative databases of all patients who underwent CA between 1999 and 2014 in Quebec and Ontario, Canada...
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
#15
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/29759632/catheter-ablation-of-brugada-syndrome-importance-of-repeated-administration-of-ajmaline-to-unmask-the-entire-epicardial-substrate
#16
Konstantin Krieger, Johannes Steinfurt, Corinna Lenz, Boris Keweloh
No abstract text is available yet for this article.
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759625/post-extrasystolic-potentiation-as-a-predictor-of-recovery-of-left-ventricular-dysfunction-after-radiofrequency-catheter-ablation
#17
Balaji Krishnan, Ashwini Sankar, Inder Anand, Selcuk Adabag, Jian-Ming Li, Edward O McFalls, David G Benditt, Kalyanam Shivkumar, Venkatakrishna N Tholakanahalli
OBJECTIVES: This study hypothesizes that post-extrasystolic potentiation reflects left ventricle contractile reserve and therefore may predict an improvement of premature ventricular contraction (PVC)-induced cardiomyopathy after PVC ablation. BACKGROUND: Post-extrasystolic potentiation is a physiologic phenomenon of blood pressure accentuation after a PVC beat. METHODS: We performed a retrospective study of patients with a PVC burden of ≥10% PVC/24 h and left ventricular ejection fraction (LVEF) of <50% who underwent successful ablation between January 1, 2009, to June 30, 2015...
November 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
#18
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/29759620/boldly-going-where-few-have-gone-before-the-voyages-of-cardiac-catheter-ablation
#19
EDITORIAL
Mina K Chung, Arun R Mahankali Sridhar
No abstract text is available yet for this article.
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759619/catheter-ablation-for-cardiac-arrhythmias-utilization-and-in-hospital-complications-2000-to-2013
#20
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
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