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Journal of Cardiovascular Electrophysiology

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https://www.readbyqxmd.com/read/29356237/af-news
#1
Fa-Po Chung, Tze-Fan Chao, Shih-Ann Chen
No abstract text is available yet for this article.
January 22, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29356207/mexiletine-or-catheter-ablation-after-amiodarone-failure-in-the-vanish-trial
#2
Marc W Deyell, Christian Steinberg, Steve Doucette, Ratika Parkash, Isabelle Nault, Chris Gray, Vidal Essebag, Martin Gardner, Laurence D Sterns, Jeff S Healey, Tomasz Hruczkowski, Lena Rivard, Peter Leong-Sit, Pablo B Nery, John L Sapp
INTRODUCTION: In patients with ischemic heart disease and ventricular tachycardia (VT) refractory to high dose amiodarone, the two most common therapeutic options are adjunctive mexiletine therapy or catheter ablation. There is little existing data on the efficacy of these strategies. We examined the relative efficacy of adjunctive mexiletine and catheter ablation among patients enrolled in the VANISH trial. METHODS: All subjects enrolled in the VANISH trial who had VT refractory to high dose (≥ 300 mg daily) amiodarone at baseline were included...
January 22, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29345389/percutaneous-access-to-the-heart-nontraditional-approaches-for-the-electrophysiologist
#3
EDITORIAL
Samuel J Asirvatham
No abstract text is available yet for this article.
January 18, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29345383/interesting-mode-of-initiation-of-lbbb-tachycardia-what-is-the-mechanism
#4
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil
No abstract text is available yet for this article.
January 18, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29345382/overweight-and-obesity-in-patients-with-atrial-fibrillation-sex-differences-in-1-year-outcomes-in-the-eorp-af-general-pilot-registry
#5
Giuseppe Boriani, Cécile Laroche, Igor Diemberger, Elisa Fantecchi, Joan Meeder, Malgorzata Kurpesa, Monica Mariana Baluta, Marco Proietti, Luigi Tavazzi, Aldo P Maggioni, Gregory Y H Lip
BACKGROUND: The impact of overweight and obesity on outcomes in "real world" patients with atrial fibrillation (AF) is not fully defined. Second, sex differences in AF outcomes may also exist. METHODS AND RESULTS: The aim was to investigate outcomes at 1-year follow-up for AF patients enrolled in the EORP-AF Registry, according to BMI (kg/m2 ), comparing patients with normal BMI (18.5 to < 25 kg/m2), overweight (25 to < 30 kg/m2 ) and obesity (≥30 kg/m2 ), in relation to sex differences...
January 18, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29345381/durable-lesion-formation-while-avoiding-esophageal-injury-during-ablation-of-atrial-fibrillation-lessons-learned-from-late-gadolinium-mr-imaging
#6
Mihail G Chelu, Alan K Morris, Eugene G Kholmovski, Jordan B King, Gagandeep Kaur, Michelle A Silver, Joshua E Cates, Frederick T Han, Nassir F Marrouche
INTRODUCTION: Adequate catheter/atrial tissue contact is critical for lesion formation during radiofrequency (RF) ablation of atrial fibrillation (AF). Late gadolinium enhancement magnetic resonance imaging (LGE-MRI) is a unique tool for the evaluation of lesion formation and detection of acute esophageal injury. METHODS: LGE-MRIs were obtained prior, within 24 hours of, and at 115±62 days after first AF ablation in 36 patients. The Visitag module of CARTO3 was used to collect contact force (CF) and duration from a CF sensing ablation catheter for each registered ablation point...
January 18, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29341322/isthmus-sites-identified-by-ripple-mapping-are-usually-anatomically-stable-a-novel-method-to-guide-atrial-substrate-ablation
#7
Vishal Luther, Norman Qureshi, Phang Boon Lim, Michael Koa-Wing, Shahnaz Jamil-Copley, Fu Siong Ng, Zachary Whinnett, D Wyn Davies, Nicholas S Peters, Prapa Kanagaratnam, Nick Linton
BACKGROUND: Post ablation reentrant ATs depend upon conducting isthmuses bordered by scar. Bipolar voltage maps highlight scar as sites of low voltage, but the voltage amplitude of an electrogram depends upon the myocardial activation sequence. Furthermore, a voltage threshold that defines atrial scar is unknown. We used Ripple Mapping (RM) to test whether these isthmuses were anatomically fixed between different activation vectors and atrial rates. METHODS: We studied post-AF ablation ATs where > 1 rhythm was mapped...
January 17, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29319218/an-uncommon-response-to-a-ventricular-extrastimulus-during-a-short-rp-supraventricular-tachycardia-what-is-the-mechanism
#8
Mitsunori Maruyama, Shunsuke Uetake, Yasushi Miyauchi, Wataru Shimizu
No abstract text is available yet for this article.
January 10, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29319207/wide-to-narrow-complex-tachycardia-what-is-the-diagnosis
#9
Manojkumar Rohit, Darshan Krishnappa, Raja J Selvaraj
No abstract text is available yet for this article.
January 10, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29319205/an-unexpected-cause-of-wide-qrs-tachycardia-in-a-young-woman
#10
Hussam Ali, Guido De Ambroggi, Sara Foresti, Riccardo Cappato
No abstract text is available yet for this article.
January 10, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29319203/alternating-broad-qrs-complexes-during-tachycardia-what-is-the-mechanism
#11
Justo Juliá, John Whitaker, Matthew Wright, Mark O'Neill
No abstract text is available yet for this article.
January 10, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29316012/quality-of-life-with-ablation-or-medical-therapy-for-ventricular-arrhythmias-a-substudy-of-vanish
#12
Lorne J Gula, Steve Doucette, Peter Leong-Sit, Anthony S L Tang, Ratika Parkash, Jean-Francois Sarrazin, Bernard Thibault, Vidal Essebag, Stanley K Tung, Marc W Deyell, Jean-Marc Raymond, Chris Lane, Pablo B Nery, George D Veenhuyzen, Damian P Redfearn, Jeffrey S Healey, Jean-Francois Roux, Karen Giddens, John L Sapp
BACKGROUND/OBJECTIVE: We compared health-related quality of life (HRQoL) in patients randomized to escalated-therapy and those randomized to ablation for ventricular tachycardia in the VANISH trial. METHODS: HRQoL was assessed among VANISH patients at baseline and 3-, 6- and 12-month follow-up visits. Four validated instruments were used: the SF-36, the ICD Concerns questionnaire (ICDC), the Hospital Anxiety and Depression Scale (HADS), and the EuroQol five dimensions questionnaire (EQ-5D)...
January 9, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29315991/efficacy-of-catheter-ablation-of-focal-sources-in-persistent-atrial-fibrillation
#13
Yoshihide Takahashi, Syu Yamashita, Masahito Suzuki, Kento Yabe, Kenzo Hirao
INTRODUCTION: Recent studies suggest that atrial fibrillation (AF) is maintained by electrical activity arising from focal sources. We sought to test whether catheter ablation that targets focal sources can improve on current ablation protocols for persistent AF. METHODS AND RESULTS: In patients with persistent AF whose AF did not terminate with pulmonary vein isolation, the left atrium was mapped with a 20-pole high-density mapping catheter using CARTO®3 navigation...
January 9, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29315961/reduction-of-thromboembolic-events-during-ablation-using-the-laserballoon-the-rethreva-registry
#14
Martin Eichenlaub, Arne Pfeufer, Lars Behrens, Volker Klauss, Michael Roettinger, Turgut Brodherr, Thorsten Lewalter
INTRODUCTION: Cerebral events (CE), including silent (SCE), are a known complication of left atrial catheter ablation (LACA) in patients with atrial fibrillation. The aim of this prospective registry was to gain more information about CE during laserballoon LACA and to reduce the risk of their occurrence. METHODS AND RESULTS: We enrolled 74 patients (age 61 ± 11 years; 74% male; CHA2 DS2 -VASc 1.9 ± 1.4). Cerebral MRI (1.5 Tesla) was performed to detect CE...
January 9, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29315941/thromboembolic-prophylaxis-protocol-with-warfarin-after-radiofrequency-catheter-ablation-of-infarct-related-ventricular-tachycardia
#15
Konstantinos C Siontis, Sina Jamé, Ghaith Sharaf Dabbagh, Rakesh Latchamsetty, Krit Jongnarangsin, Fred Morady, Frank M Bogun
INTRODUCTION: Ablation in the left ventricle (LV) is associated with a risk of thromboembolism. There are limited data on the use of specific thromboembolic prophylaxis strategies post-ablation. We aimed to evaluate a thromboembolic prophylaxis protocol after ventricular tachycardia (VT) ablation. METHODS AND RESULTS: The index procedures of 217 patients undergoing ablation for infarct-related VT with open irrigated-tip catheters were included. Patients with large LV endocardial ablation area (> 3 cm between ablation lesions) were started on low-dose, slowly escalating unfractionated heparin (UFH) infusion 8 hours after access hemostasis, followed by 3 months of anticoagulation...
January 9, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29316018/post-mortem-icd-interrogation-in-mode-of-death-classification
#16
Theodora Nikolaidou, Miriam J Johnson, Justin M Ghosh, Carl Marincowitz, Saumil Shah, Michael J Lammiman, Richard J Schilling, Andrew L Clark
BACKGROUND: The definition of sudden death due to arrhythmia relies on the time interval between onset of symptoms and death. However, not all sudden deaths are due to arrhythmia. In patients with an implantable cardioverter defibrillator (ICD) post-mortem device interrogation may help better distinguish the mode of death compared to a time-based definition alone. OBJECTIVE: This study aims to assess the proportion of "sudden" cardiac deaths in patients with an ICD that have confirmed arrhythmia...
January 8, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29314452/computed-tomography-in-the-prone-position-is-a-simple-and-useful-technique-to-detect-left-atrial-thrombi-in-persistent-atrial-fibrillation
#17
Kanae Hasegawa, Shinsuke Miyazaki, Tomokazu Ishida, Hiroshi Tada
No abstract text is available yet for this article.
January 4, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29314443/ryanodine-receptor-inhibition-by-dantrolene-effectively-suppresses-ventricular-arrhythmias-in-an-ex-vivo-model-of-long-qt-syndrome
#18
Gerrit Frommeyer, Julius Krawczyk, Christian Ellermann, Nils Bögeholz, Simon Kochhäuser, Dirk G Dechering, Michael Fehr, Lars Eckardt
AIMS: A significant antiarrhythmic potential of ryanodine receptor inhibition was reported in experimental studies. The aim of the present study was to assess potential antiarrhythmic effects of dantrolene in an experimental whole-heart model of drug-induced long-QT syndrome (LQTS). METHODS: In 12 isolated rabbit hearts long-QT-2-syndrome was simulated by infusion of erythromycin (300μM). 12 rabbit hearts were treated with veratridine (0.5μM) to mimic long-QT-3-syndrome...
January 4, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29314367/successful-pulmonary-vein-isolation-by-ablation-in-the-right-atrium
#19
Koshiro Kanaoka, Taku Nishida
No abstract text is available yet for this article.
January 4, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29292862/predicting-af-recurrence-after-catheter-ablation-is-it-time-to-use-the-force
#20
EDITORIAL
Daniel J Friedman, Jonathan P Piccini
No abstract text is available yet for this article.
January 2, 2018: Journal of Cardiovascular Electrophysiology
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