Unknown Intracardiac Electrogram.

abstract：:After pulmonary vein isolation for the treatment of atrial fibrillation, clinical arrhythmia recurrence is often a result of vein reconnection. By selectively visualizing scarred tissue, delayed enhancement magnetic resonance imaging may provide for a noninvasive means to identify gaps in radiofrequency ablation lines...

journal_title：Journal of cardiovascular electrophysiology

authors： Reddy VY,Schmidt EJ,Holmvang G,Fung M

更新日期：2008-04-01 00:00:00

abstract：INTRODUCTION:Repolarization heterogeneity (RH) is functionally linked to dispersion in refractoriness and to arrhythmogenicity. In the current study, we validate several proposed electrocardiogram (ECG) indices for RH: T-wave amplitude, -area, -complexity, and -symmetry ratio, QT dispersion, and the Tapex-end interval ...

journal_title：Journal of cardiovascular electrophysiology

authors： Van Huysduynen BH,Swenne CA,Draisma HH,Antoni ML,Van De Vooren H,Van Der Wall EE,Schalij MJ

更新日期：2005-10-01 00:00:00

abstract：:Pulmonary vein (PV) arrhythmogenicity underlying the maintenance of atrial fibrillation (AF) may be explained by three mechanisms: enhanced automaticity, triggered activity, and reentry. There are only a few reports describing sustained PV tachycardias (PVT) following electrical disconnection from the left atrium, in ...

journal_title：Journal of cardiovascular electrophysiology

authors： Rostock T,O'Neill MD,Takahashi Y,Sanders P,Haïssaguerre M

更新日期：2007-04-01 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: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：:Atrial fibrillation (AF) is a common clinical problem, particularly in the elderly and in patients with organic heart disease. AF generally is classified into paroxysmal and chronic forms. Chronic AF can be the end result of paroxysmal AF in about 30% of patients. Paroxysmal AF can be defined as attacks of arrhythmia ...

journal_title：Journal of cardiovascular electrophysiology

authors： Lévy S

更新日期：1998-08-01 00:00:00

abstract：INTRODUCTION:Decreased heart rate variability (HRV) and abnormal nonlinear HRV shortly after myocardial infarction (MI) are risk factors for mortality. Traditional HRV predicts mortality in patients with a range of times post-MI, but the association of nonlinear HRV and outcome in this population is unknown. METHODS A...

journal_title：Journal of cardiovascular electrophysiology

authors： Stein PK,Domitrovich PP,Huikuri HV,Kleiger RE,Cast Investigators.

更新日期：2005-01-01 00:00:00

abstract：INTRODUCTION:Contact force sensing (CFS) technology improves acute pulmonary vein isolation durability; however, its impact on the clinical outcome of ablating atrial fibrillation (AF) is unknown. METHODS AND RESULTS:First time AF ablation procedures employing CFS from 4 centers were matched retrospectively to those w...

journal_title：Journal of cardiovascular electrophysiology

authors： Jarman JWE,Panikker S,DAS M,Wynn GJ,Ullah W,Kontogeorgis A,Haldar SK,Patel PJ,Hussain W,Markides V,Gupta D,Schilling RJ,Wong T

更新日期：2015-04-01 00:00:00

abstract：:A 74-year-old with a history of sinus node dysfunction and intermittent AV block s/p permanent pacemaker implant 6 years prior, complains of one episode of dizziness. ...

journal_title：Journal of cardiovascular electrophysiology

authors： Gianni C,Canby RC,Della Rocca DG,Natale A,Al-Ahmad A

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND:Frequent premature ventricular complexes (PVCs) can cause a decline in left ventricular ejection fraction (LVEF). We investigated whether the site of origin and other PVC characteristics are associated with LVEF. METHODS:We retrospectively studied 70 consecutive patients (mean age 42 ± 17 years, 40 [57%] fe...

journal_title：Journal of cardiovascular electrophysiology

authors： Del Carpio Munoz F,Syed FF,Noheria A,Cha YM,Friedman PA,Hammill SC,Munger TM,Venkatachalam KL,Shen WK,Packer DL,Asirvatham SJ

更新日期：2011-07-01 00:00:00

abstract：INTRODUCTION:Primary prevention ICD trials have excluded patients with CKD. Comorbidities and lower life expectancy in patients with CKD make the benefit of primary prevention ICD implantation uncertain. METHODS:A decision analysis model was devised to evaluate the risks and benefits of implantable cardioverter-defibr...

journal_title：Journal of cardiovascular electrophysiology

authors： Amin MS,Fox AD,Kalahasty G,Shepard RK,Wood MA,Ellenbogen KA

更新日期：2008-12-01 00:00:00

abstract：:Myasthenia gravis is an autoimmune disorder of the nervous system typically mediated by antibodies against the nicotinic acetylcholine receptor at the neuromuscular junction. Treatment of myasthenia gravis frequently involves the use of cholinesterase inhibitors such as pyridostigmine. Treatment with these agents has ...

journal_title：Journal of cardiovascular electrophysiology

authors： Gehi A,Benatar M,Langberg J

更新日期：2008-02-01 00:00:00

abstract：BACKGROUND:Although pulmonary vein antrum isolation (PVAI) may cure atrial fibrillation (AF) and improve left atrial (LA) function, the effect of extensive LA ablation on LA function is not well known. OBJECTIVE:To assess the impact of PVAI on LA function remotely postablation. METHODS:Consecutive patients undergoing...

journal_title：Journal of cardiovascular electrophysiology

authors： Verma A,Kilicaslan F,Adams JR,Hao S,Beheiry S,Minor S,Ozduran V,Claude Elayi S,Martin DO,Schweikert RA,Saliba W,Thomas JD,Garcia M,Klein A,Natale A

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND:Epidemiological evidence has shown an association between ambient fine particulate matter (PM2.5) exposure and cardiovascular mortality. Increased ventricular premature complex (VPC) burden can cause left ventricular dilatation and dysfunction. We aimed to investigate the relationship between acute PM2.5 exp...

journal_title：Journal of cardiovascular electrophysiology

authors： Tsai TY,Lo LW,Liu SH,Cheng WH,Chou YH,Lin WL,Shinya Y,Lin YJ,Chang SL,Hu YF,Chung FP,Liao JN,Chao TF,Tuan TC,Chen SA

更新日期：2019-04-01 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:Reduction of radiation exposure during cardiac arrhythmia ablation procedures is desirable. We sought to evaluate the utility of a new image integration module (CARTOUNIVU(TM) ) in reducing fluoroscopy times and dosages during left atrial arrhythmia (LAA) and ventricular tachycardia (VT) ablation procedure...

journal_title：Journal of cardiovascular electrophysiology

authors： Cano Ó,Alonso P,Osca J,Andrés A,Sancho-Tello MJ,Olagüe J,Salvador A,Martínez-Dolz L

更新日期：2015-06-01 00:00:00

abstract：BACKGROUND:Residual gaps due to incomplete ablation lines are known to be the most common cause of recurrent atrial fibrillation (AF) after catheter ablation. We hypothesized that any residual potentials at the junction of the left atrium and pulmonary vein (PV), inside the circumferential PV ablation (CPVA) lines, wou...

journal_title：Journal of cardiovascular electrophysiology

authors： Kim YH,Lim HE,Pak HN,Kwak JJ,Park JS,Choi JI,Park SW,Kim YH

更新日期：2010-09-01 00:00:00

abstract：INTRODUCTION:The critical question for technological advancement of catheter ablation of atrial fibrillation (AF) is whether a creative new concept can combine and even improve the options of single-tip catheters with the simplicity of the use of balloon catheters. Herein are described the results from the first clinic...

journal_title：Journal of cardiovascular electrophysiology

authors： Kottkamp H,Hindricks G,Pönisch C,Bertagnolli L,Moser F,Hilbert S,Rieger A,Sommer P

更新日期：2019-11-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) increases morbidity and mortality in patients with previous myocardial infarction and left ventricular systolic dysfunction. The purpose of this study was to identify patients with a high risk for new-onset AF in this population using invasive and noninvasive electrophysiological tes...

journal_title：Journal of cardiovascular electrophysiology

authors： Jons C,Raatikainen P,Gang UJ,Huikuri HV,Joergensen RM,Johannesen A,Dixen U,Messier M,McNitt S,Thomsen PE,Cardiac Arrhythmias and Risk Stratification after Acute Myocardial Infarction (CARISMA) Study Group.

更新日期：2010-09-01 00:00:00

abstract：INTRODUCTION:Wearable cardioverter-defibrillator (WCD) is recommended for patients with implantable cardioverter-defibrillator (ICD) removal. This study aimed to investigate the potential cost-effectiveness of WCD for patients with ICD explant in a high-income city of China. METHODS AND RESULTS:A 5-year decision-analy...

journal_title：Journal of cardiovascular electrophysiology

authors： Jiang X,Ming WK,You JHS

更新日期：2019-11-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to determine the atrial defibrillation threshold (ADFT) of a first shock across the standard right atrium (RA) to distal coronary sinus (dCS) configuration followed by a second shock along the atrial septum with a standard sequential waveform (the second shock leading edge equaled...

journal_title：Journal of cardiovascular electrophysiology

authors： Zheng X,Benser ME,Walcott GP,Smith WM,Ideker RE

更新日期：2002-09-01 00:00:00

abstract：:A patient with congenital complete heart block underwent implantation of a dual-chamber pacemaker. He presented to the emergency room with fatigue and was found to be in atrial flutter. Device interrogation revealed undersensing of 5 mV flutter waves at a programmed sensitivity of 0.5 mV. Due to undersensing, mode swi...

journal_title：Journal of cardiovascular electrophysiology

authors： Kalahasty G,Kenigsberg DN,Wood MA,Ellenbogen KA

更新日期：2006-11-01 00:00:00

abstract：INTRODUCTION:A male patient with an atriofascicular pathway underwent catheter ablation of the atriofascicular pathway during atrial fibrillation. METHODS AND RESULTS:The patient had preexcited atrial fibrillation both clinically and repeatedly during electrophysiologic study. A preexcited tachycardia with a 1:1 AV re...

journal_title：Journal of cardiovascular electrophysiology

authors： Miller JM,Harper GR,Rothman SA,Hsia HH

更新日期：1994-10-01 00:00:00

abstract：:The case of an 8-year-old girl with incessant nonsustained left bundle branch block-like tachycardia refractory to antiarrhythmic drug therapy is reported. Electrophysiologic study revealed the presence of a right-sided accessory atriofascicular pathway. Episodes of nonsustained tachycardia were found to be based upon...

journal_title：Journal of cardiovascular electrophysiology

authors： Sternick EB,Sosa EA,Scanavacca MI,Wellens HJ

更新日期：2004-10-01 00:00:00

abstract：INTRODUCTION:Regional dispersions of repolarization (DOR) are arrhythmogenic perturbations that are closely associated with reentry. However, the characteristics of DOR have not been well defined or adequately analyzed because previous algorithms did not take into account spatial heterogeneities of action potential dur...

journal_title：Journal of cardiovascular electrophysiology

authors： Salama G,Kanai AJ,Huang D,Efimov IR,Girouard SD,Rosenbaum DS

更新日期：1998-02-01 00:00:00

abstract：INTRODUCTION:Functional tricuspid regurgitation (TR) remains a challenging clinical problem with poor outcomes and few effective treatments. Atrial fibrillation (AF) has been associated with functional TR. We sought to determine whether restoring sinus rhythm through catheter ablation of AF can decrease the degree of T...

journal_title：Journal of cardiovascular electrophysiology

authors： Markman TM,Plappert T,De Feria Alsina A,Levin M,Amankwah N,Sheth S,Gertz ZM,Schaller RD,Marchlinski FE,Rame JE,Frankel DS

更新日期：2020-11-01 00:00:00

abstract：INTRODUCTION:Two hypotheses have been proposed to explain the mechanisms of vulnerability and related failure of defibrillation therapy: the cross-field-induced critical point hypothesis and the virtual electrode-induced phase singularity hypothesis. These two hypotheses predict the opposite effect of preshock repolari...

journal_title：Journal of cardiovascular electrophysiology

authors： Cheng Y,Nikolski V,Efimov IR

更新日期：2000-09-01 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：:We describe the case of 2-year-old baby with compound heterozygosity for paternal and maternal alleles mutation of α-subunit of the cardiac sodium channel (SCN5A), sinus node dysfunction, atrial flutter recurrences, and drug induced long-QT syndrome. In this setting, we chose at first to perform linear ablation of cav...

journal_title：Journal of cardiovascular electrophysiology

authors： De Filippo P,Ferrari P,Iascone M,Racheli M,Senni M

更新日期：2015-03-01 00:00:00

abstract：INTRODUCTION:Patient acceptance of implantable device therapy has been established as an important outcome but the operationalization and validation of a measure of patient acceptance of implantable device therapy has not been fully completed. This study sought to validate a new measure of patient acceptance of cardiac...

journal_title：Journal of cardiovascular electrophysiology

authors： Burns JL,Serber ER,Keim S,Sears SF

更新日期：2005-04-01 00:00:00