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Pacing and Clinical Electrophysiology: PACE

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https://www.readbyqxmd.com/read/29328513/-wide-qrs-complex-tachycardia-followed-by-2-1-atrioventricular-block-what-is-the-mechanism
#1
Jesús Jiménez-López, Ermengol Vallès, Begoña Benito Villabriga, Oscar Alcalde, Sandra Cabrera, Julio Martí-Almor
No abstract text is available yet for this article.
January 12, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29327439/the-hidden-concealed-left-sided-accessory-pathway-an-uncommon-cause-of-svt-in-young-people
#2
Robert H Pass, Leonardo Liberman, Eric S Silver, Christopher M Janson, Andrew D Blaufox, Lynn Nappo, Scott R Ceresnak
BACKGROUND: Concealed left sided accessory pathways (CLAP) are a cause of SVT in the young. Most are mapped with RV apical/outflow pacing. Rarely, alternative means of mapping are required. We review our experience from 3 pediatric EP centers with a rare form of "hidden" CLAP. METHODS: All patients < 21 years undergoing EP study from 2008-2014 with a "hidden" CLAP (defined as an accessory pathway (AP) for which RV pacing at CL's stable for mapping did not demonstrate eccentric retrograde conduction) were included...
January 12, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29327371/variable-degrees-of-ventricular-preexcitation-during-rapid-atrial-pacing-what-is-the-mechanism
#3
Taihei Itoh, Takumi Yamada
No abstract text is available yet for this article.
January 12, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29327362/p-wave-and-interatrial-block-new-predictor-for-atrial-high-rate-episodes-in-patients-with-cardiac-implantable-electronic-devices
#4
José M Rubio Campal, Juan Benezet-Mazuecos, José Antonio Iglesias Bravo, Pepa Sánchez Borque, Ángel Miracle Blanco, Juan José de la Vieja Alarcón, Jaime Martínez Mariscal, Adrian M Baranchuk, Jerónimo Farré Muncharaz
BACKGROUND: The presence of interatrial block (IAB) is associated with the development of atrial fibrillation (AF). The aim of this study was to determine whether P-wave duration and presence of IAB before the implantation of a cardiac implantable electronic device (CIED) are associated with the presence of atrial high rate episodes (AHRE), during long-term follow-up. METHODS: 380 patients (57% men; 75±10 years) were included. IAB was defined according to the International Consensus Criteria...
January 12, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29327463/subcutaneous-implantable-cardioverter-defibrillator-s-icd-shocks-in-a-patient-with-a-left-ventricular-assist-device
#5
Harsimran Saini, Aditya Saini, Jeannine Leffler, Steven Eddy, Kenneth A Ellenbogen
No abstract text is available yet for this article.
January 11, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29322518/pediatric-heart-transplantation-what-are-the-risk-factors-for-pacemaker-implantation-and-how-much-pacing-is-required
#6
Florian Ernst Martin Herrmann, Petra Wellmann, Christian Hagl, Gerd Juchem
BACKGROUND: In an attempt to improve pacemaker therapy after pediatric transplantation we investigated risk factors, indication for pacing and pacing burden after pediatric heart transplantation. METHODS AND RESULTS: In this retrospective study 139 pediatric heart transplant recipients of which 122 did not and 17 did require pacemakers were investigated. Eleven of the 17 patients requiring a permanent pacemaker (PPM) received their heart from a female donor (68...
January 11, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29318634/high-density-contact-and-non-invasive-mapping-of-focal-atrial-tachycardia-evidence-of-dual-endocardial-exits-from-an-epicardial-focus
#7
Seigo Yamashita, Darren A Hooks, Ghassen Cheniti, Pierre Jais
We report a case of recurrent focal atrial tachycardia (AT) which mechanisms could be resolved by using non-invasive electrocardiographic imaging (ECGI) reconstructing epicardial potentials and rapid high-density endocardial contact mapping (Rhythmia™). ECGI demonstrated focal activity from the anterior of the left superior pulmonary vein antrum, although Rhythmia™ showed focal activity from the high anterior left atrium with the 2nd focus originating from the site where identical to the focus on the ECGI map with slightly delay (by 8 ms)...
January 10, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29318633/long-term-outcomes-following-cryoablation-of-atrioventricular-nodal-reentrant-tachycardia-in-children
#8
Mehmet Karacan, Nida Çelik, Celal Akdeniz, Volkan Tuzcu
BACKGROUND: Atrioventricular nodal reentrant tachycardia (AVNRT) is a common tachyarrhythmia substrate in children, which is successfully treated by catheter ablation using radiofrequency or cryothermal energy. In recent years, cryoablation (Cryo) using electroanatomical system guidance is more commonly preferred for use in children in order to decrease the risk of an atrioventricular block. However, there are concerns regarding the long-term efficacy of Cryo in treating AVNRT. We aimed to evaluate the feasibility, safety, and long-term efficacy of Cryo for AVNRT in children...
January 9, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29318626/trends-and-predictors-of-implantable-cardioverter-defibrillator-implantation-after-sudden-cardiac-arrest-insight-from-the-national-inpatient-sample
#9
Muhammad Bilal Munir, Fahad Alqahtani, Sami Aljohani, Ashwin Bhirud, Sujal Modi, Mohamad Alkhouli
BACKGROUND: Implantable cardioverter defibrillator (ICD) has a class IA indication in survivors of sudden cardiac arrest (SCA) provided no reversible cause is identified. We sought to determine trends and predictors of ICD implant in SCA patients from a national sample of United States population. METHODS AND RESULTS: Data was gathered from National Inpatient Sample (NIS) from January 2003 to December 2014. All patients ≥ 18 years of age with a primary discharge diagnosis of SCA, ventricular fibrillation (VF), ventricular flutter, and ventricular tachycardia (VT) were included...
January 9, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315648/pace-editor
#10
EDITORIAL
John D Fisher
No abstract text is available yet for this article.
January 9, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315757/unexpected-effect-of-mad-honey-poisoning-on-accessory-pathway
#11
Adem Atici, Samim Emet, Ahmet Kaya Bilge, Kamil Adalet
No abstract text is available yet for this article.
January 8, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315645/a-preliminary-study-of-pulmonary-vein-implant-applicability-and-safety-as-a-potential-ablation-platform-in-a-follow-up-study-in-pigs
#12
Tim Vandecasteele, Stijn Schauvliege, Matthew Philpott, Eli Clement, Gunther van Loon, Lisse Vera, Tim Boussy, Thomas van Bergen, Wim Van Den Broeck, Pieter Cornillie, Glenn Van Langenhove
BACKGROUND: Recurrence of atrial fibrillation after an ablation procedure remains a major problem which emphasizes the need for improved pulmonary vein isolation techniques. AIMS: The aim of this study was to describe an implantation procedure of a pulmonary vein-stent which may possibly serve as an ablation technique in the future and to examine stent safety in a follow-up study in pigs. METHODS AND RESULTS: Eight pigs were catheterized and nine self-expanding nitinol stents were implanted through a transfemoral or transatrial approach into the antra of the pulmonary veins...
January 8, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315719/oversensing-of-transthoracic-excitation-stimuli-in-contemporary-pacemakers
#13
James D Ryan, Nathan D Tempel, Dean D Engle, David L Hayes, Yong-Mei Cha, Samuel J Asirvatham
BACKGROUND: Transthoracic impedance measurements (TIM) is primarily used for minute ventilation (MV) rate adaptive sensors in pacemakers. With elevated impedance the TIM electrical signal itself is oversensed causing device malfunction. OBJECTIVE: We report an increased incidence of TIM oversensing. METHOD: Retrospective chart review. We review existing records of 18 patients who have demonstrated device malfunction with TIM oversensing. RESULTS: We have found a 1...
January 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315665/effect-of-remote-ischemic-preconditioning-on-left-atrial-remodeling-and-prothrombotic-response-after-radiofrequency-catheter-ablation-for-atrial-fibrillation
#14
Ruijuan Han, Xiaoqing Liu, Meili Zheng, RuiPing Zhao, XiaoYan Liu, Xiandong Yin, Xingpeng Liu, Ying Tian, Liang Shi, Kai Sun, Xinchun Yang
BACKGROUND: Radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) is known to induce left atrial remodeling and prothrombotic response. AIMS: This study aimed to evaluate the effect of remote ischemic preconditioning (RIPC) on left atrial remodeling and prothrombotic response induced by radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF). METHODS: Forty-four patients with drug-refractory paroxysmal AF undergoing RFCA were randomized into RIPC (4 short episodes of forearm ischemia) and control groups before the procedure...
January 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29315657/dysautonomy-in-different-death-risk-groups-rassi-score-in-patients-with-chagas-heart-disease
#15
Catherine Masiel Merejo Peña, Michel Silva Reis, Basílio de Bragança Pereira, Emília Matos do Nascimento, Roberto Coury Pedrosa
BACKGROUND: It has been difficult to prove that the "catecholamine-induced cardiomyopathy" contributes to the mechanism of sudden cardiac death in Chagas heart disease. Also, it is almost impossible to rule out the possibility that is not involved in the process. More importantly, the vagal-cholinergic pathway in the ventricle plays a direct role in the prevention of the initiation of complex ventricular arrhythmias, including non-sustained ventricular tachycardia, ventricular fibrillation responsible for sudden death...
January 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29314081/predictors-and-outcomes-of-patients-requiring-repeat-transvenous-lead-extraction-of-pacemaker-and-defibrillator-leads
#16
Simon Claridge, Jonathan Johnson, Gazi Sadnan, Jonathan M Behar, Bradley Porter, Benjamin Sieniewicz, Tom Jackson, Jessica Webb, Justin Gould, Manav Sohal, Shoaib Hamid, Nik Patel, Jaswinder Gill, Christopher A Rinaldi
BACKGROUND: A proportion of patients who undergo an initial lead extraction procedure will require a second, repeat extraction. Data regarding this clinical entity are scarce and neither the predisposing risk factors for, nor outcomes from these procedures have been described previously. We sought to determine the incidence, risk factors and outcomes of repeat lead extraction. METHODS: A database of extraction procedures from 2001-2015 was analyzed. Repeat extraction procedures were identified and the indication for extraction was dichotomized into infection and lead related problems...
January 5, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29314105/ambulatory-diagnostic-ecg-monitoring-for-syncope-and-collapse-an-assessment-of-clinical-practice-in-the-united-states
#17
David G Benditt, Wayne O Adkisson, Richard Sutton, Robin K Mears, Scott Sakaguchi
INTRODUCTION: Diagnostic ambulatory ECG (AECG) monitoring is widely used for evaluating syncope and collapse, and practice guidelines provide recommendations regarding optimal AECG device selection. However, whether physicians utilize AECGs in accordance with the pertinent guidelines is unclear. This study assessed utilization of AECG monitoring systems for syncope and collapse diagnosis by physicians in the United States. METHODS AND RESULTS: A quantitative survey was undertaken of physicians comprising multiple specialties (Emergency Room, n = 35; Primary care, n = 35; Hospitalists, n = 30; Neurologists, n = 30; non-implanting, n = 34 and implanting-Cardiologists, n = 35)...
January 4, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29314085/new-onset-left-bundle-branch-block-associated-idiopathic-nonischemic-cardiomyopathy-and-time-from-diagnosis-to-cardiac-resynchronization-therapy-the-neolith-ii-study
#18
Norman C Wang, Jack Z Li, Evan C Adelstein, Andrew D Althouse, Michael S Sharbaugh, Sandeep K Jain, G Stuart Mendenhall, Alaa A Shalaby, Andrew H Voigt, Samir Saba
BACKGROUND: The optimal timing for cardiac resynchronization therapy (CRT) after diagnosis of new-onset left bundle branch block (LBBB)-associated idiopathic nonischemic cardiomyopathy (NICM) and treatment with guideline-directed medical therapy (GDMT) is unknown. The purpose of this study was to describe relationships between time from diagnosis to CRT and outcomes in new-onset LBBB-associated idiopathic NICM with LVEF ≤35%. METHODS: A retrospective cohort study examined associations between time from diagnosis to CRT (≤9 months versus > 9 months) and clinical and echocardiographic outcomes...
January 4, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29266438/junctional-ectopic-rhythm-after-avnrt-ablation-an-under-recognized-complication
#19
Nathan Kusterer, Gustavo Morales, Muhammad Butt, Yousef Darrat, Kevin Parrott, Gbolahan Ogunbayo, Katrina Bidwell, Ripa Patel, Brian Delisle, Melissa Czarapata, Claude S Elayi
BACKGROUND: Ablation is an effective treatment for atrioventricular nodal reentrant tachycardia (AVNRT). The occurrence of junctional ectopic rhythm (JER), including junctional ectopic tachycardia (JET), following AVNRT ablation has been described as an extremely rare phenomenon, but may be underestimated. We aimed to determine the incidence of JER following AVNRT ablation within our institution, as well as that reported in the literature via an extensive review. METHODS: We reviewed our adult ablation institutional experience for the occurrence of JER after AVNRT ablation from 2009 to 2016...
December 20, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29266362/look-and-you-shall-find-perils-along-the-road-after-slow-pathway-ablation-for-av-nodal-reentry-tachycardia
#20
EDITORIAL
Jeffrey P Moak
No abstract text is available yet for this article.
December 20, 2017: Pacing and Clinical Electrophysiology: PACE
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