Origin of heat-induced accelerated junctional rhythm.

abstract：:Cost-efficacy assessment of implantable cardioverter defibrillator (ICD) therapy has proved contentious and may have limited uptake of ICD therapy, particularly in Europe. Published modeling assessments are too inaccurate to determine clinical practice, and assessments based on clinical studies are incomplete (from th...

journal_title：Journal of cardiovascular electrophysiology

authors： Morgan JM

更新日期：2002-01-01 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：INTRODUCTION:A major drawback of therapy with an implantable defibrillator is the nonspecificity of detection. Theoretically, adding atrial sensing information to a decision algorithm could improve specificity of detection. METHODS AND RESULTS:This open-label nonrandomized study compares the detection algorithm of the...

journal_title：Journal of cardiovascular electrophysiology

authors： Kühlkamp V,Dörnberger V,Mewis C,Suchalla R,Bosch RF,Seipel L

更新日期：1999-07-01 00:00:00

abstract：INTRODUCTION:It has been speculated that pacemaker current (I(f)) in human atria could play a role in causing ectopic atrial automaticity. Ivabradine is a novel selective and specific I(f) inhibitor in the sinus node that reduces heart rate without any negative inotropic effect. The aim of the study was to explore poss...

journal_title：Journal of cardiovascular electrophysiology

authors： El Chemaly A,Magaud C,Patri S,Jayle C,Guinamard R,Bois P

更新日期：2007-11-01 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：INTRODUCTION:The relationship between the determining factors and beating rates of pulmonary vein (PV) pacemaker cardiomyocytes has not been fully elucidated. The purposes of this study were to compare the electrophysiological characteristics between PV fast and slow pacemaker cardiomyocytes. METHODS:Whole-cell patch ...

journal_title：Journal of cardiovascular electrophysiology

authors： Chen YC,Pan NH,Cheng CC,Higa S,Chen YJ,Chen SA

更新日期：2009-09-01 00:00:00

abstract：INTRODUCTION:One of the fundamental electrophysiologic problems that has not yet been completely elucidated is the response of cardiac tissue to externally applied electric currents. A limited number of theoretical and experimental techniques has been used to study the electric behavior of cardiac tissue in the presenc...

journal_title：Journal of cardiovascular electrophysiology

authors： Sepulveda NG,Wikswo JP Jr

更新日期：1994-03-01 00:00:00

abstract：BACKGROUND:Thrombi form mainly in the left rather than the right atria of patients with atrial fibrillation (AF), the reason of this predilection being unknown. OBJECTIVE:The purpose of this study was to investigate whether atrial-specific differences in endothelial damage, leukocyte activation, platelet stimulation, ...

journal_title：Journal of cardiovascular electrophysiology

authors： Jesel L,Arentz T,Herrera-Siklody C,Trenk D,Zobairi F,Abbas M,Weber R,Minners J,Toti F,Morel O

更新日期：2014-03-01 00:00:00

abstract：:Application of radiofrequency energy to arrhythmogenic substrates after careful cardiac mapping could ensure a high success rate in eliminating certain types of tachyarrhythmias. Future studies of catheter ablation will focus on how to improve ablation efficacy and achieve a better result in various types of tachyarrh...

journal_title：Journal of cardiovascular electrophysiology

authors： Chen SA,Chiang CE,Tai CT,Lee SH,Chang MS

更新日期：1995-10-01 00:00:00

abstract：INTRODUCTION:Pulmonary vein potentials reflect depolarization of muscle fascicles within the myocardial sleeves that surround the pulmonary veins. The response of pulmonary vein potentials to premature stimulation has not been described. METHODS AND RESULTS:In 31 patients with paroxysmal atrial fibrillation referred f...

journal_title：Journal of cardiovascular electrophysiology

authors： Tada H,Oral H,Ozaydin M,Greenstein R,Pelosi F Jr,Knight BP,Strickberger SA,Morady F

更新日期：2002-01-01 00:00:00

abstract：INTRODUCTION:Previous studies suggest that class III antiarrhythmic drugs are more effective in reentrant arrhythmias because they prolong refractoriness (ERP) and wavelength and reduce dispersion of refractoriness compared to Class IA antiarrhythmic drugs, which slow conduction velocity (CV) in addition to their effec...

journal_title：Journal of cardiovascular electrophysiology

authors： Cha Y,Wales A,Wolf P,Shahrokni S,Sawhney N,Feld GK

更新日期：1996-09-01 00:00:00

abstract：:Dual chamber pacemakers have inbuilt advanced safety systems such as ventricular safety standby (crosstalk detection) to prevent ventricular oversensing resulting in inappropriate pacing inhibition. We describe a case where this safety mechanism does not reliably work and the management required to rectify the situati...

journal_title：Journal of cardiovascular electrophysiology

authors： Haldar SK,Steed B,Watkins S,Nair K

更新日期：2017-05-01 00:00:00

abstract：INTRODUCTION:Recent studies have reported the use of temporary epicardial atrial pacing as prophylaxis for postoperative atrial fibrillation (AF). The aim of this study was to assess the effect of pacing therapies for prevention of postoperative AF using meta-analysis. METHODS AND RESULTS:Using a computerized MEDLINE ...

journal_title：Journal of cardiovascular electrophysiology

authors： Daoud EG,Snow R,Hummel JD,Kalbfleisch SJ,Weiss R,Augostini R

更新日期：2003-02-01 00:00:00

abstract：:Despite many years of research, the mechanisms of atrial fibrillation (AF) are still poorly understood, and we currently are unable to adequately treat most patients with AF. Recently, the demonstration in both human and animal studies that the pulmonary veins (PVs) and the posterior left atrial (LA) wall play a subst...

journal_title：Journal of cardiovascular electrophysiology

authors： Jalife J

更新日期：2003-07-01 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:Biphasic waveform defibrillation is not always more efficacious than monophasic waveform defibrillation. METHODS AND RESULTS:Waveform efficacy appears to vary with the lead system used. In this prospective, randomized study, defibrillation efficacy with biphasic and monophasic single capacitor 120-microF,...

journal_title：Journal of cardiovascular electrophysiology

authors： Marks ML,Johnson G,Hofer BO,Bardy GH

更新日期：1994-02-01 00:00:00

abstract：BACKGROUND:Noninducibility of sustained atrial fibrillation (AF) after pulmonary vein isolation (PVI) has been shown to be associated with a better clinical outcome. We evaluated the role of clinical variables that could predict noninducibility of sustained AF after PVI. METHODS AND RESULTS:Data were collected prospec...

journal_title：Journal of cardiovascular electrophysiology

authors： Rotter M,Jaïs P,Garrigue S,Sanders P,Hocini M,Hsu LF,Takahashi Y,Rostock T,Sacher F,Clementy J,Haïssaguerre M

更新日期：2005-12-01 00:00:00

abstract：INTRODUCTION:Sinus node dysfunction (SND) commonly manifests with atrial arrhythmias alternating with sinus pauses and sinus bradycardia. The underlying process is thought to be because of atrial fibrosis. We assessed the value of atrial fibrosis, quantified using late gadolinium enhanced-MRI (LGE-MRI), in predicting s...

journal_title：Journal of cardiovascular electrophysiology

authors： Akoum N,McGann C,Vergara G,Badger T,Ranjan R,Mahnkopf C,Kholmovski E,Macleod R,Marrouche N

更新日期：2012-01-01 00:00:00

abstract：INTRODUCTION:The pulmonary veins (PVs) are a dominant source of triggers initiating atrial fibrillation (AF). While recent evidence implicates these structures in the maintenance of paroxysmal AF, their role in permanent AF is not known. The current study aims to compare the contribution of PV activity to the maintenan...

journal_title：Journal of cardiovascular electrophysiology

authors： Sanders P,Nalliah CJ,Dubois R,Takahashi Y,Hocini M,Rotter M,Rostock T,Sacher F,Hsu LF,Jönsson A,O'Neill MD,Jaïs P,Haïssaguerre M

更新日期：2006-09-01 00:00:00

abstract：:Follow-up of patients with cardiac implantable electronic devices is challenging due to both their increasing volume and technical complexity coupled to increasing clinical complexity of recipient patients. Remote monitoring (RM) offers an opportunity to resolve some of these difficulties by improving clinic efficienc...

journal_title：Journal of cardiovascular electrophysiology

authors： Varma N,Ricci RP

更新日期：2015-12-01 00:00:00

abstract：INTRODUCTION:Complex fractionated atrial electrograms (CFAE) may identify critical sites for perpetuation of atrial fibrillation (AF) and provide useful targets for ablation. Current assessment of CFAE is subjective; automated detection algorithms may improve reproducibility, but their utility in guiding ablation has n...

journal_title：Journal of cardiovascular electrophysiology

authors： Porter M,Spear W,Akar JG,Helms R,Brysiewicz N,Santucci P,Wilber DJ

更新日期：2008-06-01 00:00:00

abstract：:Ivabradine is a new antiarrhythmic agent with direct inhibition of the pacemaker (If) current. It has been used extensively to decrease sinus rate in the treatment of cardiac failure, and also in a single case of atrial ectopic tachycardia in a child. Here we report the case of a 3-year-old girl with congenital juncti...

journal_title：Journal of cardiovascular electrophysiology

authors： Al-Ghamdi S,Al-Fayyadh MI,Hamilton RM

更新日期：2013-07-01 00:00:00

abstract：INTRODUCTION:Longer observational time and adenosine challenge have proven to be able to detect pulmonary vein (PV) reconnections. The aim of this study was to assess incidence of spontaneous and adenosine-induced PV reconnection after ablation with second-generation cryoballoon (CB-Adv). METHODS AND RESULTS:Fifty con...

journal_title：Journal of cardiovascular electrophysiology

authors： Ciconte G,Chierchia GB,DE Asmundis C,Sieira J,Conte G,Juliá J,DI Giovanni G,Wauters K,Baltogiannis G,Saitoh Y,Mugnai G,Catanzariti D,Tondo C,Brugada P

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND:Despite growing attention to performance and quality measures, national standards for reporting of outcomes after all electrophysiology (EP) procedures have not yet been developed. We sought to characterize the incidence and timing of adverse events up to 30 days after EP procedures at a tertiary academic me...

journal_title：Journal of cardiovascular electrophysiology

authors： Hussain SK,Eddy MM,Moorman L,Malhotra R,Darby AE,Bilchick K,Mason P,Mangrum MJ,Dimarco JP,Ferguson JD

更新日期：2015-05-01 00:00:00

abstract：INTRODUCTION:Isolation of pulmonary veins (PVs) and the posterior left atrium (LA) can be safely performed by radiofrequency hot balloon (RHB)-based box isolation. However, data on long-term effects for the treatment of atrial fibrillation (AF) by the use of this method remain limited. METHODS AND RESULTS:We treated 2...

journal_title：Journal of cardiovascular electrophysiology

authors： Yamaguchi Y,Sohara H,Takeda H,Nakamura Y,Ihara M,Higuchi S,Satake S

更新日期：2015-12-01 00:00:00

abstract：:Macro-Reentrant ARVC epi-VT with a Focal Endo-Activation. A 55-year-old man with arrhythmogenic right ventricular cardiomyopathy underwent catheter ablation of ventricular tachycardia (VT) with left bundle branch block and left superior axis QRS morphology with an early precordial transition. Endocardial mapping durin...

journal_title：Journal of cardiovascular electrophysiology

authors： Yamada T,Plumb VJ,Tabereaux PB,Kay GN

更新日期：2009-06-01 00:00:00

abstract：:We report the case of a 44-year-old woman with obstructive hypertrophic cardiomyopathy without history of prior arrhythmias who underwent surgical myectomy. She developed symptomatic postoperative atrial fibrillation (AF) that was refractory to antiarrhythmic therapy and could not be adequately rate controlled. AF alw...

journal_title：Journal of cardiovascular electrophysiology

authors： Saad EB,Saliba WI,Marrouche NF,Natale A

更新日期：2002-12-01 00:00:00

abstract：:Atrial flutter is due to large single reentrant loops, typically oriented around the caval veins and a line of functional conduction block in between. These reentrant circuits can easily be terminated by properly timed extra beats colliding in the antidromic direction with the reentrant orthodromic wavefront and being...

journal_title：Journal of cardiovascular electrophysiology

authors： Schoels W,Becker R

更新日期：1998-08-01 00:00:00

abstract：BACKGROUND:Atrial tachycardias (ATs) are commonly observed following catheter ablation of atrial fibrillation (AF). The aim of this study was to identify ECG characteristics that differentiate focal from macroreentrant ATs after circumferential pulmonary vein isolation (CPVI). METHODS AND RESULTS:One hundred and twent...

journal_title：Journal of cardiovascular electrophysiology

authors： Chang SL,Tsao HM,Lin YJ,Lo LW,Hu YF,Tuan TC,Tsai WC,Chang CJ,Suenari K,Huang SY,Tai CT,Li CH,Chao TF,Wu TJ,Chen SA

更新日期：2011-07-01 00:00:00

abstract：:Atrial arrhythmias are quite common in patients after heart transplantation; they can occur via focal or reentrant mechanisms and are amenable to curative therapy with catheter ablation. Integration of the individual patient's surgical anatomy with the arrhythmia pattern on 12-lead electrocardiogram can help both to n...

journal_title：Journal of cardiovascular electrophysiology

authors： Dahu MI,Hutchinson MD

更新日期：2012-02-01 00:00:00