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Pacing and Clinical Electrophysiology: PACE

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https://read.qxmd.com/read/31004502/the-value-of-multi-disciplinary-team-in-syncope-clinic-for-the-effective-diagnosis-of-complex-syncope
#1
Xiao-Lin Qian, Ye-Sheng Pan, Jing-Jiong Chen, Qing-Qing Jiang, Dong Huang, Jing-Bo Li
BACKGROUND: Syncope is a perplexing challenge that often receives thorough evaluation, yet the diagnosis remains unclear. Usually, the emergency department is the first point at which patients present with syncope. However, diverse medical factors, including low diagnostic rates and inconsistent management by doctors, add to healthcare costs and delay diagnosis for syncope patients. METHODS: Patients who had been to the emergency department at least once but were not given a clear diagnosis of syncope were recruited into our study at the time they visited syncope clinic staffed by a multi-disciplinary team...
April 20, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/31004450/s-icd-is-effective-in-preventing-sudden-death-in-arrhythmogenic-cardiomyopathy-athletes-during-exercise
#2
Valentina Catto, Maria Antonietta Dessanai, Elena Sommariva, Claudio Tondo, Antonio Dello Russo
Here we describe the cases of two elite athletes, with a diagnosis of Arrhythmogenic Cardiomyopathy (ACM), in which a Subcutaneous Implantable Cardioverter Defibrillator (S-ICD) has been implanted. Both patients experienced a ventricular tachycardia during exercise and received effective S-ICD shocks that interrupted arrhythmias. This report reveals for the first time that the S-ICD is effective in reverting arrhythmias in ACM patients, even during exercise. Moreover, these cases may confirm that competition/physical activity is associated with ICD shocks...
April 20, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/31004448/syncope-units-an-emerging-paradigm
#3
EDITORIAL
Kathleen E Walsh, Zachary D Goldberger
No abstract text is available yet for this article.
April 20, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30997679/multicentre-experience-with-the-evolution-rl-mechanical-sheath-for-lead-extraction-using-a-stepwise-approach-safety-effectiveness-and-outcome
#4
Federico Migliore, Martina Testolina, Antonio Sagone, Domenico Carretta, Tullio Agricola, Giovanni Rovaris, Elena Piazzi, Domenico Facchin, Manuel De Lazzari, Alessandro Zorzi, Francesco Melillo, Claudia Cataldi, Alessandra Marzi, Tomaso Bottio, Vincenzo Tarzia, Gino Gerosa, Sabino Iliceto, Emanuele Bertaglia, Patrizio Mazzone
BACKGROUND: In addition to the Evolution RL sheath, tools by Cook Medical, supporting lead extraction (LE), are available. Data on their use are not reported in detail in previous studies. Moreover, data regarding outcome are lacking.The aim was to evaluate the safety and effectiveness of the Evolution sheath (Evolution RL and Evolution Shortie,Cook Medical,USA) by using a stepwise approach with the available extraction tools and the outcome. METHODS: A total of 393 leads in 198 consecutive patients were removed with the Evolution RL sheath and ancillary tools using a stepwise approach...
April 17, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30989680/role-of-concealed-conduction-and-allied-phenomena-in-the-genesis-maintenance-and-termination-of-cardiac-arrhythmias
#5
REVIEW
Mohammad-Reza Jazayeri
Concealed conduction is a common electrocardiographic phenomenon whereby a series of events may occur as a result of incomplete propagation of an impulse. The occurrence, maintenance, and resolution (termination) of several events such as functional block and cardiac arrhythmias are linked to concealed conduction. This phenomenon should be suspected on the surface ECG whenever an arrhythmic event occurs unexpectedly. Several electrophysiological concepts such as transseptal conduction and linking phenomenon are close allies of concealed conduction...
April 16, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30989679/comparing-the-incidence-of-ventricular-arrhythmias-during-epicardial-ablation-in-swine-vs-canine-models
#6
Guido Caluori, Adam Wojtaszczyk, Omar Yasin, Martin Pesl, Jiří Wolf, Silvie Belaskova, Michal Crha, Alan Sugrue, Vaibhav R Vaidya, Niyada Naksuk, Christopher V DeSimone, Ammar M Killu, Deepak Padmanabhan, Samuel J Asirvatham, Zdeněk Stárek
BACKGROUND: Choosing the appropriate animal model for development of novel technologies requires an understanding of anatomy and physiology of these different models. There is little data about the characteristics of different animal models for the study of technologies used for epicardial ablation. We aimed to compare the incidence of ventricular arrhythmias during epicardial radiofrequency ablation between swine and canine models using novel epicardial ablation catheters. METHODS: We conducted a retrospective study using data obtained from epicardial ablation experiments performed on swine (Sus Scrofa) and canine (Canis familiaris) models...
April 15, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30977146/reactive-atrial-based-antitachycardia-pacing-therapy-reduces-atrial-tachyarrhythmias
#7
George H Crossley, Luigi Padeletti, Steven Zweibel, J Harrison Hudnall, Yan Zhang, Giuseppe Boriani
BACKGROUND: Reactive atrial-based antitachycardia pacing (rATP) aims to terminate atrial tachyarrhythmia (AT/AF) episodes when they spontaneously organize to atrial flutter or atrial tachycardia; however, its effectiveness in the real-world has not been studied. We used a large device database (Medtronic CareLink) to evaluate the effects of rATP at reducing AT/AF. METHODS: Pacemaker, defibrillator, and resynchronization device transmission data were analyzed. Eligible patients had device detected AT/AF during a baseline period but were not in persistent AT/AF immediately preceding first transmission...
April 11, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30977144/cardiac-conduction-abnormalities-associated-with-pacemaker-implantation-after-transcatheter-aortic-valve-replacement
#8
Stephen Cresse, Trevor Eisenberg, Carlos Alfonso, Mauricio G Cohen, Eduardo DeMarchena, Donald Williams, Roger Carrillo
BACKGROUND: Complete heart block is a known complication after transcatheter aortic valve replacement (TAVR), often requiring pacemaker implantation within 24 hours of the procedure. However, clinical markers for delayed progression to complete heart block after TAVR remain unclear. OBJECTIVES: We examined electrocardiographic data that may correlate with delayed progression to complete heart block and need for pacemaker. METHODS: This is a single-center retrospective study of 608 patients who underwent TAVR between April 2008 and June 2017...
April 11, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30969440/atrioventricular-conduction-in-patients-undergoing-pacemaker-implant-following-self-expandable-transcatheter-aortic-valve-replacement
#9
Michael Ghannam, Ryan Cunnane, Daniel Menees, Michael P Grossman, Stanley Chetcuti, Himanshu Patel, Michael Deeb, Krit Jongnarangsin, Frank Pelosi, Hakan Oral, Rakesh Latchamsetty
BACKGROUND: Heart block requiring a pacemaker is common after self-expandable transcatheter aortic valve replacement (SE-TAVR); however, conduction abnormalities may improve over time. Optimal device management in these patients is unknown. OBJECTIVE: To evaluate the long-term, natural history of conduction disturbances in patients undergoing pacemaker implantation following SE-TAVR. METHODS: All patients who underwent new cardiac implantable electronic device (CIED) implantation at Michigan Medicine following SE-TAVR placement between 01/01/2012 and 9/25/2017 were identified...
April 10, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30969432/inappropriate-activation-of-pacemaker-magnet-response-mode-by-cpap-masks
#10
Yosef Schwartz, Jeremiah Wasserlauf, Alan V Sahakian, Bradley Knight
BACKGROUND: While electromagnetic interference is widely recognized as a cause of noise detected by CIEDs, we report on two cases of inappropriate activation of magnet response mode due to magnets in CPAP masks. METHODS: Two patients with St. Jude Medical dual-chamber pacemakers (Assurity DR 2240; St. Jude Medical, Saint Paul, MN) were discovered on routine outpatient device interrogation to have magnet response events that correlated with nightly use of their CPAP masks...
April 10, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30969431/analysis-of-procedural-data-of-pulmonary-vein-isolation-for-atrial-fibrillation-with-the-second-generation-laser-balloon
#11
Takahiko Nagase, Stefano Bordignon, Laura Perrotta, Fabrizio Bologna, Nikolaos Tsianakas, Shaojie Chen, Athanasios Konstantinou, Julian K R Chun, Boris Schmidt
BACKGROUND: The procedural data of pulmonary vein (PV) isolation (PVI) for patients with atrial fibrillation using the second-generation laser balloon (LB2), which became available recently, remains unclear and were evaluated. METHODS: Thirty consecutive patients (116 PVs) underwent PVI using LB2 (LB2 group) and were matched to 30 patients (116 PVs) treated with the first-generation laser balloon (LB1 group). The left atrial isolated surface area (ISA) (ratio of the total isolated antral surface area excluding PV to the total isolated antral surface area including the posterior wall) was also measured after LB2 PVI...
April 10, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30963616/impact-of-recanalization-of-chronic-total-occlusion-on-left-ventricular-electrical-remodeling
#12
Kennosuke Yamashita, Wataru Igawa, Morio Ono, Takehiko Kido, Toshitaka Okabe, Naoei Isomura, Hiroshi Araki, Masahiko Ochiai
BACKGROUND: Successful percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) is associated with reduction of cardiac mortality, as well as reducing fatal ventricular arrhythmias. The aim of this study was to evaluate the effect of recanalization of CTO on endocardial left ventricular voltages by paired electrophysiological studies. METHODS: Sixteen consecutive patients underwent PCI for de novo CTO lesions were included. High-density mapping was performed during sinus rhythm before and 8 months after PCI...
April 9, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30963613/durability-of-cryoballoon-left-atrial-appendage-isolation-acute-and-invasive-remapping-electrophysiological-findings
#13
Stefano Bordignon, Shaojie Chen, Laura Perrotta, Fabrizio Bologna, Takahiko Nagase, Athanasios Konstantinou, Felix Weise, Alexander Fuernkranz, Boris Schmidt, Kr Julian Chun
BACKGROUND: The left atrial appendage (LAA) has been identified as a potential source of atrial fibrillation (AF) and has been described as the "fifth" pulmonary vein (PV). We report our initial experience in LAA isolation (LAAI) using the cryoballoon (CB) and data on durability of CB-LAAI. METHODS: Patients treated with a CB-LAAI were retrospectively identified. Six weeks after electrical LAAI, pts were scheduled for staged percutaneous LAA closure (LAAC)...
April 8, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30963605/left-atrial-appendage-electrical-isolation-for-persistent-atrial-fibrillation-fire-vs-ice
#14
EDITORIAL
Jorge Romero, Luigi Di Biase
No abstract text is available yet for this article.
April 8, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30945754/vt-arising-from-sub-aortic-muscular-outflow-tract-structures-in-two-patients-with-ventricular-septal-defects
#15
Shu Chang, Lucas Marzec, Joseph Kay, Amber Khanna, William H Sauer, Duy T Nguyen
BACKGROUND: Outflow tract ventricular tachycardias (OTVT) most commonly occur in the absence of structural abnormalities. We present two cases in which a structural variant in the outflow tract was critical to the OTVT. CASES: Subaortic muscular bands were identified using intracardiac echocardiography (ICE) in each of our cases with history of VSD and VT. Mapping demonstrating their critical involvement to the tachycardia and ablation along the muscular bands rendered the ventricular tachycardias non-inducible...
April 4, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30945749/when-history-is-forgotten-old-problems-can-become-new-ones-again-oversensing-when-history-is-forgotten
#16
Imane El Hajjaji, Umjeet Jolly, Jaimie Manlucu, Claus Rinne
No abstract text is available yet for this article.
April 4, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30945748/mechanism-of-wide-qrs-tachycardia-guest-interpretation
#17
EDITORIAL
George J Klein
No abstract text is available yet for this article.
April 4, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30945302/what-is-the-mechanism-of-wide-qrs-tachycardia
#18
Yoshiaki Kaneko, Tadashi Nakajima, Takashi Iizuka, Shuntaro Tamura, Masahiko Kurabayashi
No abstract text is available yet for this article.
April 4, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30945319/the-dividing-line-of-arrhythmogenic-right-ventricular-cardiomyopathy-and-brugada-syndrome-at-epicardial-ablation-era-limited-to-or-beyond-rvot
#19
LETTER
Dursun Aras, Ozcan Ozeke, Serkan Cay, Firat Ozcan, Serkan Topaloglu
No abstract text is available yet for this article.
April 3, 2019: Pacing and Clinical Electrophysiology: PACE
https://read.qxmd.com/read/30945305/response-to-letter-to-the-editor-regarding-a-late-complication-of-a-left-atrial-appendage-closure-device
#20
LETTER
David H Yoo, Brian Clark, Daniel Nguyen, Timm-Michael Dickfeld, Andrew S Zohlman, Libin Wang, Vincent Y See
No abstract text is available yet for this article.
April 3, 2019: Pacing and Clinical Electrophysiology: PACE
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