abstract：BACKGROUND:Atrio-esophageal fistulas have been described as a consequence of radiofrequency (RF) ablation for the treatment of atrial fibrillation (AF). However, whether cryoablation can avoid this potential fatal complication remains unclear. METHODS AND RESULTS:We studied the effects of direct application of RF and ...

journal_title：Journal of cardiovascular electrophysiology

authors： Ripley KL,Gage AA,Olsen DB,Van Vleet JF,Lau CP,Tse HF

更新日期：2007-06-01 00:00:00

abstract：INTRODUCTION:A novel magnetic navigation system allows remote guidance of floppy radiofrequency (RF) ablation catheters. We evaluated the feasibility of mapping and ablation of left-sided accessory pathways (APs) using the retrograde transaortic approach with this system. This might open the gate to retrograde ablation...

journal_title：Journal of cardiovascular electrophysiology

authors： Thornton AS,Rivero-Ayerza M,Knops P,Jordaens LJ

更新日期：2007-05-01 00:00:00

abstract：INTRODUCTION:Recent recalls of pacemakers and defibrillators cast a spotlight on product reliability. Universal postmortem device analysis could yield valuable information, but little data exist on the rate and feasibility of device examinations following death. This study investigated how morticians manage pacemakers ...

journal_title：Journal of cardiovascular electrophysiology

authors： Kirkpatrick JN,Ghani SN,Burke MC,Knight BP

更新日期：2007-05-01 00:00:00

abstract：:We present two cases of successful cardioversion of atrial fibrillation using intravenous ibutilide during pregnancy. One patient had atrial fibrillation, complicating the Wolff-Parkinson-White syndrome and the other had a history of nonobstructive hypertrophic cardiomyopathy. No adverse maternal or fetal effects were...

journal_title：Journal of cardiovascular electrophysiology

authors： Kockova R,Kocka V,Kiernan T,Fahy GJ

更新日期：2007-05-01 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：:The search for a mechanism to explain atrial fibrillation (AF) has lasted for over a century and continues. Significant progress in understanding this arrhythmia accelerated with the era of operative treatment of this arrhythmia and intensified with the advent of catheter ablation. Through considerable trial and some ...

journal_title：Journal of cardiovascular electrophysiology

authors： Klein GJ,O'Neill MD,Hocini M,Jaïs P,Haïssaguerre M,Clementy J

更新日期：2007-04-01 00:00:00

abstract：:We report a case of a patient with nonischemic dilated cardiomyopathy and implantable cardioverter-defibrillator, in whom an upgrade to biventricular pacing triggered multiple episodes of ventricular tachycardias (VTs) of two morphologies. First VT presented as repetitive nonsustained arrhythmia of the same morphology...

journal_title：Journal of cardiovascular electrophysiology

authors： Peichl P,Mlcochová H,Kautzner J

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:Evaluation of ventricular rate control in atrial fibrillation (AF) can be difficult, and the presence of an AF-induced ventricular cardiomyopathy due to intermittent poor rate control or other causes may be underestimated. The outcome with AF ablation in patients with a decreased left ventricular ejection fr...

journal_title：Journal of cardiovascular electrophysiology

authors： Gentlesk PJ,Sauer WH,Gerstenfeld EP,Lin D,Dixit S,Zado E,Callans D,Marchlinski FE

更新日期：2007-01-01 00:00:00

abstract：:Commotio cordis (CC), sudden death as a result of a blunt, often innocent-appearing chest wall blow, is being reported with increasing frequency. The clinical spectrum is diverse; however, a substantial number of cases occur in youth athletics. In events that occur during sport, victims are struck by projectiles regar...

journal_title：Journal of cardiovascular electrophysiology

authors： Madias C,Maron BJ,Weinstock J,Estes NA 3rd,Link MS

更新日期：2007-01-01 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：:A 64-year-old man with atrial tachycardia (AT) 3 years after a superior vena cava (SVC) isolation for atrial fibrillation underwent electrophysiologic testing. SVC mapping with a basket catheter revealed a more frequent activation in the SVC than in either of the atria during the AT and consequently the recovered cond...

journal_title：Journal of cardiovascular electrophysiology

authors： Yamada T,Murakami Y,Plumb VJ,Kay GN

更新日期：2006-11-01 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：BACKGROUND:Focal atrial tachycardias (FAT) originate from areas with poor cell-to-cell coupling. Due to cellular uncoupling extracellular potentials become fractionated. The degree of fragmentation may be used to identify the site of origin of FAT prior to catheter ablation. We studied electrical fragmentation in relat...

journal_title：Journal of cardiovascular electrophysiology

authors： De Groot NM,Schalij MJ

更新日期：2006-10-01 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：BACKGROUND:The incidence of atrial fibrillation (AF) in heart transplant patients has not been well documented. METHODS:To determine the incidence of AF in a cohort of patients undergoing cardiac transplantation, clinical data were obtained from a prospectively collected database for all consecutive orthotopic heart t...

journal_title：Journal of cardiovascular electrophysiology

authors： Khan M,Kalahasti V,Rajagopal V,Khaykin Y,Wazni O,Almahameed S,Zuzek R,Shah T,Lakkireddy D,Saliba W,Schweikert R,Cummings J,Martin DO,Natale A

更新日期：2006-08-01 00:00:00

abstract：INTRODUCTION:We report the case of a 36-year-old patient with a longstanding history of paroxysmal tachycardia. METHODS AND RESULTS:During the electrophysiological study, the H-V interval was prolonged in sinus rhythm, and a second potential (H'') with distal to proximal activation pattern was recorded in the region o...

journal_title：Journal of cardiovascular electrophysiology

authors： Sarkozy A,Boussy T,Chierchia GB,Geelen P,Brugada P

更新日期：2006-08-01 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：: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：:We report a case in which endocardial radiofrequency (RF) ablation guided by unipolar intracoronary mapping using a guidewire was an effective therapy for treating VT originating from an epicardial site of the left ventricle. A 55-year-old man with dilated cardiomyopathy was referred for treatment of refractory sustai...

journal_title：Journal of cardiovascular electrophysiology

authors： Kumagai K,Takahashi A,Yamauchi Y,Aonuma K

更新日期：2006-06-01 00:00:00

abstract：:Altering voltage-gated ion channel currents, by changing channel number or voltage-dependent kinetics, regulates the propagation of action potentials along the plasma membrane of individual cells and from one cell to its neighbors. Functional increases in the number of cardiac sodium channels (Na(V)1.5) at the myocard...

journal_title：Journal of cardiovascular electrophysiology

authors： Shibata EF,Brown TL,Washburn ZW,Bai J,Revak TJ,Butters CA

更新日期：2006-05-01 00:00:00

abstract：BACKGROUND:Left atrial catheter ablation (LACA) has emerged as a successful method to eliminate atrial fibrillation (AF). Recent reports have described atrio-esophageal fistulas, often resulting in death, from this procedure. Temporary esophageal stenting is an established therapy for malignant esophageal disease. We d...

journal_title：Journal of cardiovascular electrophysiology

authors： Bunch TJ,Nelson J,Foley T,Allison S,Crandall BG,Osborn JS,Weiss JP,Anderson JL,Nielsen P,Anderson L,Lappe DL,Day JD

更新日期：2006-04-01 00:00:00

abstract：INTRODUCTION:The mechanisms of late (<1 year after the ablation) and very late (>1 year after the ablation) recurrences of paroxysmal atrial fibrillation (AF) after catheter ablation have not been reported. METHODS AND RESULTS:Fifty consecutive patients undergoing a repeated electrophysiologic study to investigate the...

journal_title：Journal of cardiovascular electrophysiology

authors： Hsieh MH,Tai CT,Lee SH,Lin YK,Tsao HM,Chang SL,Lin YJ,Wongchaoen W,Lee KT,Chen SA

更新日期：2006-03-01 00:00:00

abstract：INTRODUCTION:Defibrillation testing of the implantable cardioverter-defibrillator (ICD) is considered a standard and required practice at the time of implantation. How much testing, if any in some cases, should be performed, however, remains unknown. METHODS AND RESULTS:Included in this retrospective analysis were 835...

journal_title：Journal of cardiovascular electrophysiology

authors： Pires LA,Johnson KM

更新日期：2006-02-01 00:00:00

abstract：:The ECG appearance in Brugada syndrome is caused by failure of the dome of the action potential to develop. Increased activity of the I(to) current in epicardial cells generates a transmural gradient with repolarization dispersion between the epicardium and the endocardium in the right ventricular wall, thus favoring ...

journal_title：Journal of cardiovascular electrophysiology

authors： Abud A,Bagattin D,Goyeneche R,Becker C

更新日期：2006-02-01 00:00:00

abstract：INTRODUCTION:Cerebral embolism and stroke are feared complications of left atrial catheter ablation such as pulmonary vein (PV) ablation. In order to assess the thrombogenicity of left atrial catheter ablation, knowledge of both clinically evident as well as silent cerebral embolism is important. The aim of the current...

journal_title：Journal of cardiovascular electrophysiology

authors： Lickfett L,Hackenbroch M,Lewalter T,Selbach S,Schwab JO,Yang A,Balta O,Schrickel J,Bitzen A,Lüderitz B,Sommer T

更新日期：2006-01-01 00:00:00

abstract：INTRODUCTION:Understanding whether vasovagal syncope is a lifelong disorder might shed insight into its physiology and affect management strategies. Accordingly, we determined the age of the first syncopal spell in adult patients who sought care for syncope. METHODS AND RESULTS:Patients were 42 +/- 18 years old with 6...

journal_title：Journal of cardiovascular electrophysiology

authors： Sheldon RS,Sheldon AG,Connolly SJ,Morillo CA,Klingenheben T,Krahn AD,Koshman ML,Ritchie D,Investigators of the Syncope Symptom Study and the Prevention of Syncope Trial.

更新日期：2006-01-01 00:00:00

abstract：:Mutations in the SCN5A gene can cause Brugada syndrome, a genetically inherited form of idiopathic ventricular fibrillation. We describe the case of a 3-year-old child with a structurally normal heart presenting with monomorphic ventricular tachycardia. Her electrocardiogram suggested a Brugada syndrome and the diagno...

journal_title：Journal of cardiovascular electrophysiology

authors： Probst V,Evain S,Gournay V,Marie A,Schott JJ,Boisseau P,LE Marec H

更新日期：2006-01-01 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:Catheter stimulation of the inferior interatrial ganglionated parasympathetic plexus decreases the ventricular rate during atrial fibrillation (AF) in humans. However, the relatively high stimulation voltages might prevent implementation of neurostimulation in chronic implantable devices. From myocardial e...

journal_title：Journal of cardiovascular electrophysiology

authors： Soós P,Merkely B,Horvat PM,Zima E,Schauerte P

更新日期：2005-12-01 00:00:00

abstract：BACKGROUND:Perforation during catheter procedures in either the atrium or ventricle is relatively uncommon, but potentially fatal if tamponade ensues. This study analyzes the occurrence and outcomes of cardiac perforation during catheter-based radiofrequency ablation procedures in the left atrium. METHODS:All patients...

journal_title：Journal of cardiovascular electrophysiology

authors： Bunch TJ,Asirvatham SJ,Friedman PA,Monahan KH,Munger TM,Rea RF,Sinak LJ,Packer DL

更新日期：2005-11-01 00:00:00

abstract：:Idiopathic ventricular tachycardia (IVT) in patients without structural heart disease commonly arises from the right or left outflow tracts, but there remain arrhythmias that can only be ablated by an epicardial approach. We report a case of an epicardial ventricular tachycardia originating within the left main corona...

journal_title：Journal of cardiovascular electrophysiology

authors： Atienza F,Arenal A,Ormaetxe J,Almendral J

更新日期：2005-11-01 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：INTRODUCTION:Torsade de pointes (TdP), is often preceded by a short-long cycle length sequence. However, the causal relationship between the pause associated with a short-long cycle length sequence and TdP is not completely understood. This study tests the hypothesis that a pause enhances both dispersion of repolarizat...

journal_title：Journal of cardiovascular electrophysiology

authors： Liu J,Laurita KR

更新日期：2005-09-01 00:00:00

abstract：:Although the annual incidence of sudden cardiac death (SCD) is dropping in the United States, therapies for the patient who has survived a SCD episode or is at high risk of developing SCD in the future are now well established. The implantable cardioverter defibrillator (ICD) has emerged from a series of well done ran...

journal_title：Journal of cardiovascular electrophysiology

authors： Cannom DS

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND:Ventricular desynchronization caused by right ventricular pacing may impair ventricular function and increase risk of heart failure (CHF), atrial fibrillation (AF), and death. Conventional DDD/R mode often results in high cumulative percentage ventricular pacing (Cum%VP). We hypothesized that a new managed v...

journal_title：Journal of cardiovascular electrophysiology

authors： Sweeney MO,Ellenbogen KA,Casavant D,Betzold R,Sheldon T,Tang F,Mueller M,Lingle J,Marquis MVP Download Investigators.

更新日期：2005-08-01 00:00:00

abstract：INTRODUCTION:Acute myocardial ischemia, which opens K(ATP) channel, is associated with shortened action potential duration (APD) but prolonged QT interval. This discrepancy has not been adequately explained. We hypothesize that the duration of intracellular calcium (Ca(i)) transient (DCaT) may play a role in determinin...

journal_title：Journal of cardiovascular electrophysiology

authors： Wu S,Hayashi H,Lin SF,Chen PS

更新日期：2005-08-01 00:00:00

abstract：UNLABELLED:Baroreflex sensitivity in paced patients. INTRODUCTION:The baroreceptor-heart rate (HR) reflex has prognostic value in cardiovascular medicine. However, it cannot be used in chronotropically incompetent or paced patients. In healthy subjects, the baroreceptor-stroke volume (SV) reflex, with power spectral a...

journal_title：Journal of cardiovascular electrophysiology

authors： Yasumasu T,Abe H,Oginosawa Y,Takahara K,Nakashima Y

更新日期：2005-07-01 00:00:00

abstract：:Non-fluoroscopy AV ablation and pacemaker implantation. Fluoroscopic guidance is the standard tool used for transvenous pacemaker implantations and for electrophysiological and ablation procedures. It implies X-ray exposure, occasionally with high dose of radiation for the patient and operator. We describe the case of...

journal_title：Journal of cardiovascular electrophysiology

authors： Ruiz-Granell R,Morell-Cabedo S,Ferrero-De-Loma A,García-Civera R

更新日期：2005-07-01 00:00:00

abstract：INTRODUCTION:While atrial fibrillation (AF) initiation in the pulmonary veins has been well-studied, simultaneous biatrial and three-dimensional noncontact mapping (NCM) has not been performed. We hypothesized that these two techniques would provide novel information on triggers, initiation, and evolution of spontaneou...

journal_title：Journal of cardiovascular electrophysiology

authors： Saksena S,Skadsberg ND,Rao HB,Filipecki A

更新日期：2005-05-01 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