Termination of persistent atrial fibrillation during left atrial mapping.

abstract：:Atrial fibrillation (AF) and congestive heart failure (CHF) are two increasingly common cardiac disorders with a growing prevalence in the overall population. Improved treatment of acute medical conditions has increased the incidence of these cardiac disorders. AF and CHF have similar epidemiologic characteristics and...

journal_title：Journal of cardiovascular electrophysiology

authors： Ehrlich JR,Nattel S,Hohnloser SH

更新日期：2002-04-01 00:00:00

abstract：:Epicardial ablation may be required to eliminate ventricular tachycardia (VT) in patients with underlying structural heart disease. The decision to gain epicardial access is frequently based on the suspicion of an epicardial origin for the VT and/or presence of an arrhythmogenic substrate. Epicardial pathology and VT ...

journal_title：Journal of cardiovascular electrophysiology

authors： Bazan V,Frankel DS,Santangeli P,Garcia FC,Tschabrunn CM,Marchlinski FE

更新日期：2019-03-01 00:00:00

abstract：:Cardiac resynchronization therapy (CRT) is associated with improvement in the quality of life, hospitalization rates, and mortality in patients with left ventricular dysfunction and evidence of the right ventricle-left ventricle (RV-LV) desynchrony. Implant failure rates and patient outcomes have improved with the adv...

journal_title：Journal of cardiovascular electrophysiology

authors： Sinno MC,Carrigan T,Hays JC

更新日期：2020-08-01 00:00:00

abstract：OBJECTIVE:Even though diffuse T wave inversion and prolongation of the QT interval in the surface electrocardiogram (ECG) have been consistently reported in patients with transient stress-induced left ventricular apical ballooning (AB), ventricular repolarization has not yet been systematically investigated in this cli...

journal_title：Journal of cardiovascular electrophysiology

authors： Bonnemeier H,Ortak J,Bode F,Kurowski V,Reppel M,Weitz G,Barantke M,Schunkert H,Wiegand UK

更新日期：2006-12-01 00:00:00

abstract：INTRODUCTION:The measurement of microvolt level T wave alternans (TWA) is a technique for detecting arrhythmia vulnerability. Previous studies demonstrated that the magnitude of TWA is dependent on heart rate. However, the effects of antiarrhythmic drugs on TWA are unknown. METHODS AND RESULTS:This was a prospective e...

journal_title：Journal of cardiovascular electrophysiology

authors： Kavesh NG,Shorofsky SR,Sarang SE,Gold MR

更新日期：1999-05-01 00:00:00

abstract：INTRODUCTION:A low-energy (

journal_title：Journal of cardiovascular electrophysiology

authors： Lawo T,Deneke T,Schrader J,Danilovic D,Wenzel B,Buddensiek M,Muegge A

更新日期：2009-03-01 00:00:00

abstract：:The cavotricuspid isthmus (CVTI) is the well-established location of atrial tissue critical for the maintenance of typical atrial flutter. The CVTI begins at the electrically inert tricuspid valve and includes the atrial myocardium up to the inferior vena cava (IVC). In this article, we discuss relevant CVTI and right...

journal_title：Journal of cardiovascular electrophysiology

authors： Asirvatham SJ

更新日期：2009-01-01 00:00:00

abstract：INTRODUCTION:Irregularity measures have been suggested as risk indicators in patients with atrial fibrillation (AF); however, it is not known to what extent they are affected by commonly used rate-control drugs. We aimed at evaluating the effect of metoprolol, carvedilol, diltiazem, and verapamil on the variability and...

journal_title：Journal of cardiovascular electrophysiology

authors： Corino VD,Ulimoen SR,Enger S,Mainardi LT,Tveit A,Platonov PG

更新日期：2015-02-01 00:00:00

abstract：INTRODUCTION:Both isoproterenol (Iso) and adenosine (Ado) are used to induce atrial fibrillation (AF) in the electrophysiology lab. However, the utility of Ado has not been systematically established. OBJECTIVE:The purpose of this study was to compare Ado to Iso for the induction of paroxysmal AF. METHODS:Forty patie...

journal_title：Journal of cardiovascular electrophysiology

authors： Tutuianu C,Pap R,Riesz T,Bencsik G,Makai A,Saghy L

更新日期：2019-02-01 00:00:00

abstract：INTRODUCTION:Radiofrequency (RF) and cryoablation are routinely used to treat arrhythmias, but the extent and time course of edema associated with the two different modalities is unknown. Our goal was to follow the lesion maturation and edema formation after RF and cryoablation using serial magnetic resonance imaging (...

journal_title：Journal of cardiovascular electrophysiology

authors： Yamashita K,Kholmovski E,Ghafoori E,Kamali R,Kwan E,Lichter J,MacLeod R,Dosdall DJ,Ranjan R

更新日期：2019-02-01 00:00:00

abstract：UNLABELLED:Epicardial Cryoablation in Swine. INTRODUCTION:Cryoablation is an alternative to radiofrequency (RF) energy used in some ablation procedures. Its role and effectiveness compared to irrigated RF in epicardial tissue and epicardial substrates is not yet fully established. METHODS AND RESULTS:Using a swine ch...

journal_title：Journal of cardiovascular electrophysiology

authors： Jauregui-Abularach ME,Campos B,Betensky BP,Michele J,Gerstenfeld EP

更新日期：2012-09-01 00:00:00

abstract：INTRODUCTION:Radiofrequency current (RFC) application is a widely used procedure for treatment of supraventricular arrhythmias. The purpose of this study was to investigate late electrophysiologic sequelae of RFC lesions at immature atrial myocardium in pigs, as they have not yet been systematically investigated in vit...

journal_title：Journal of cardiovascular electrophysiology

authors： Windhagen-Mahnert B,Bokenkamp R,Bertram H,Peuster M,Hausdorf G,Paul T

更新日期：1998-12-01 00:00:00

abstract：INTRODUCTION:Despite technical progress, ventricular tachycardia (VT) recurrence after unipolar ablation remains relatively high (12%-47%). Bipolar ablation has been proposed as an appealing solution that may overcome limitations associated with unipolar ablation settings. We designed an animal study to compare bipolar...

journal_title：Journal of cardiovascular electrophysiology

authors： Soucek F,Caluori G,Lehar F,Jez J,Pesl M,Wolf J,Wojtaszczyk A,Belaskova S,Starek Z

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:Ablation strategies have been developed to improve outcomes in patients with persistent atrial fibrillation (PsAF). However, the impact of atrial fibrillation (AF) termination on late AF recurrence is not well known. The aim of our study was to evaluate the impact of AF termination to atrial tachycardia (AT)...

journal_title：Journal of cardiovascular electrophysiology

authors： Efremidis M,Vlachos K,Letsas KP,Bazoukis G,Martin R,Frontera A,Asvestas D,Saplaouras A,Kitamura Τ,Georgopoulos S,Valkanas K,Karamichalakis N,Takigawa M,Sideris A,Derval N,Sacher F,Jais P

更新日期：2019-01-01 00:00:00

abstract：INTRODUCTION:Implantable cardioverter-defibrillator (ICD) longevity is crucial for both patients and public health systems because it determines the number of surgical ICD replacements, which can generally be considered an additional risk factor for complications, and the cost-effectiveness of ICD therapy. Our objectiv...

journal_title：Journal of cardiovascular electrophysiology

authors： Horlbeck FW,Mellert F,Kreuz J,Nickenig G,Schwab JO

更新日期：2012-12-01 00:00:00

abstract：INTRODUCTION:Mutations of human ether-à-go-go-related gene (hERG), which encodes a cardiac K(+) channel responsible for the acceleration of the repolarizing phase of an action potential and the prevention of premature action potential regeneration, often cause severe arrhythmic disorders. We found a novel missense muta...

journal_title：Journal of cardiovascular electrophysiology

authors： Kinoshita K,Yamaguchi Y,Nishide K,Kimoto K,Nonobe Y,Fujita A,Asano K,Tabata T,Mori H,Inoue H,Hata Y,Fukurotani K,Nishida N

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) is common in abdominal solid organ transplant recipients and a cause of morbidity and mortality in this population. However, the outcomes of catheter ablation (CA) in transplant recipients with AF remain unclear. This study aimed to elucidate the outcomes of CA in renal and hepatic t...

journal_title：Journal of cardiovascular electrophysiology

authors： Su X,Zhao X,Long DY,Sang CH,Yu RH,Tang RB,Bai R,Liu N,Jiang CX,Li SN,Guo XY,Wang W,Hu R,Du X,Dong JZ,Ma CS

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND:Current transcatheter ablation of ventricular tachycardia (VT) techniques is limited in part by its invasive nature and superficial depth of ablation lesions. OBJECTIVES:This study was aimed at evaluating the feasibility of targeted ablation of cardiac tissues using high-intensity focused ultrasound (HIFU) ...

journal_title：Journal of cardiovascular electrophysiology

authors： Lü F,Huang W,Benditt DG

更新日期：2018-05-01 00:00:00

abstract：:It has been demonstrated that idiopathic ventricular fibrillation (VF) can be triggered by ventricular premature beats (VPBs) arising from the Purkinje fibers. Eliminating these VPBs by radiofrequency catheter ablation prevented VF recurrences. Whether the same pathophysiology and the same treatment option exist in pa...

journal_title：Journal of cardiovascular electrophysiology

authors： Li YG,Grönefeld G,Israel C,Hohnloser SH

更新日期：2004-01-01 00:00:00

abstract：:This case report demonstrates the use of an automated voltage mapping algorithm to facilitate the rapid mapping of the low-voltage zone and isolate the critical diastolic pathway of an intra-atrial reentrant tachycardia circuit. Catheter ablation targeted to this pathway successfully terminated the arrhythmia. ...

journal_title：Journal of cardiovascular electrophysiology

authors： Kaltman JR,Schultz JR,Wieand TS,Tanel RE,Vetter VL,Shah MJ

更新日期：2006-07-01 00:00:00

abstract：:Torsades de pointes is a potentially lethal arrhythmia that occasionally appears as an adverse effect of pharmacotherapy. Recently developed understanding of the underlying electrophysiology allows better estimation of the drug-induced risks and explains the failures of older approaches through the surface ECG. This a...

journal_title：Journal of cardiovascular electrophysiology

authors： Fenichel RR,Malik M,Antzelevitch C,Sanguinetti M,Roden DM,Priori SG,Ruskin JN,Lipicky RJ,Cantilena LR,Independent Academic Task Force.

更新日期：2004-04-01 00:00:00

abstract：INTRODUCTION:Torsades de pointes have been observed during treatment with droperidol, a butyrophenone neuroleptic agent. Our objectives were (1) to characterize the effects of droperidol on cardiac repolarization and (2) to evaluate effects of droperidol on a major time-dependent outward potassium current involved in c...

journal_title：Journal of cardiovascular electrophysiology

authors： Drolet B,Zhang S,Deschênes D,Rail J,Nadeau S,Zhou Z,January CT,Turgeon J

更新日期：1999-12-01 00:00:00

abstract：INTRODUCTION:The mechanisms by which Class IC drugs slow the rate of functional reentrant arrhythmias are not completely understood. We hypothesized that flecainide widens the excitable gap beyond the pivot point of premature turning wavefronts. METHODS AND RESULTS:In eight perfused subepicardial layers of rabbit left...

journal_title：Journal of cardiovascular electrophysiology

authors： Danse PW,Garratt CJ,Allessie MA

更新日期：2001-09-01 00:00:00

abstract：INTRODUCTION:Ablation of atrial vagal ganglia has been associated with improved pulmonary vein isolation (PVI) outcomes. Disruption of vagal reflexes results in heart rate (HR) increase. We investigated the association between HR change after PVI and freedom from atrial fibrillation (AF) at 1 year. METHODS AND RESULTS...

journal_title：Journal of cardiovascular electrophysiology

authors： Goff ZD,Laczay B,Yenokyan G,Sivasambu B,Sinha SK,Marine JE,Ashikaga H,Berger RD,Akhtar T,Spragg DD,Calkins H

更新日期：2019-12-01 00:00:00

abstract：INTRODUCTION:Several single-center short-term studies have demonstrated the feasibility, safety, and positive clinical outcomes of permanent His bundle pacing (HBP). We performed a retrospective study to evaluate long-term technical and safety performances of HBP in a large population of pacemaker patients from two dif...

journal_title：Journal of cardiovascular electrophysiology

authors： Zanon F,Abdelrahman M,Marcantoni L,Naperkowski A,Subzposh FA,Pastore G,Baracca E,Boaretto G,Raffagnato P,Tiribello A,Dandamudi G,Vijayaraman P

更新日期：2019-09-01 00:00:00

abstract：INTRODUCTION:K2p 3.1, also known as TASK-1, is a twin-pore acid-sensitive repolarizing K+ channel, responsible for a background potassium current that significantly contributes to setting the resting membrane potential of cardiac myocytes. Inhibition of IK2p3.1 alters cardiac repolarization and is proarrhythmogenic. In...

journal_title：Journal of cardiovascular electrophysiology

authors： Jones SA,Walton RD,Morton M,Lancaster MK

更新日期：2019-03-01 00:00:00

abstract：INTRODUCTION:It is the hypothesis of this article that the onset of fibrillation following a coronary artery occlusion is a direct consequence of the spatial inhomogeneity of chemical processes that occur following the occlusion. In particular, the localized increase of extracellular potassium and decrease of ATP avail...

journal_title：Journal of cardiovascular electrophysiology

authors： Keener JP

更新日期：2003-11-01 00:00:00

abstract：:A 31-year-old woman with tricuspid atresia and a palliative Waterston shunt presented with intractable poorly tolerated supraventricular tachycardia. Electrophysiologic evaluation was consistent with AV nodal reentrant tachycardia. The fast pathway region was mapped electroanatomically during tachycardia and with cons...

journal_title：Journal of cardiovascular electrophysiology

authors： Khairy P,Seslar SP,Triedman JK,Cecchin F

更新日期：2004-06-01 00:00:00

abstract：INTRODUCTION:Syncope occasionally may occur in the supine patient due to severe brady- or tachyarrhythmia. However, recurrent syncope upon assumption of the supine position as a result of a neurally mediated reflex mechanism has not been reported previously. METHODS AND RESULTS:Two young patients, both of whom had sig...

journal_title：Journal of cardiovascular electrophysiology

authors： Iskos D,Shultz JJ,Benditt DG

更新日期：1998-04-01 00:00:00

abstract：BACKGROUND:The usefulness of ventricular entrainment to differentiate AV nodal reentrant tachycardia (AVNRT) from orthodromic reciprocating tachycardia (ORT) by substracting the corrected postpacing interval (cPPI) from the tachycardia cycle length (TCL) or the ventriculoatrial interval during stimulation (SA) from tha...

journal_title：Journal of cardiovascular electrophysiology

authors： Javier García-Fernández F,Almendral J,Marta Pachón,González-Torrecilla E,Martín J,Gallardo R

更新日期：2013-05-01 00:00:00