Determination of impulse conduction characteristics at a microscopic scale in patterned growth heart cell cultures using multiple site optical recording of transmembrane voltage.

abstract：INTRODUCTION:Cerebral thromboembolic event (CTE) is a possible complication of pulmonary vein antrum isolation (PVAI). The objective of this study was to report long-term functional and neurocognitive recovery in patients who had a CTE during or within 48 hours of catheter ablation. METHODS AND RESULTS:We screened 3,0...

journal_title：Journal of cardiovascular electrophysiology

authors： Patel D,Bailey SM,Furlan AJ,Ching M,Zachaib J,Di Biase L,Mohanty P,Horton RP,Burkhardt JD,Sanchez JE,Zagrodzky JD,Gallinghouse GJ,Schweikert R,Saliba W,Natale A

更新日期：2010-04-01 00:00:00

abstract：INTRODUCTION:Recent experimental evidence demonstrates that a point stimulus generates a nonuniform distribution of transmembrane potential (virtual electrode pattern) consisting of large adjacent areas of depolarization and hyperpolarization. This simulation study focuses on the role of virtual electrodes in reentry i...

journal_title：Journal of cardiovascular electrophysiology

authors： Lindblom AE,Roth BJ,Trayanova NA

更新日期：2000-03-01 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：:There is an increasing need for invasive electrophysiologists to appreciate the exact anatomy of the epicardial space and the coronary veins. The location of the epicardial fat, the complementary relationship with the main cardiac veins, and the location of sensitive structures (arteries, phrenic nerve, esophagus) hav...

journal_title：Journal of cardiovascular electrophysiology

authors： Lachman N,Syed FF,Habib A,Kapa S,Bisco SE,Venkatachalam KL,Asirvatham SJ

更新日期：2010-12-01 00:00:00

abstract：INTRODUCTION:No studies so far addressed the role of invasive programmed ventricular stimulation (PVS) in myocarditis patient's arrhythmic risk stratification. METHODS AND RESULTS:We present a single-center prospective study on 96 consecutive adult patients (44 ± 13 years, 70.1% males) with myocarditis and ventricular...

journal_title：Journal of cardiovascular electrophysiology

authors： Peretto G,Sala S,Basso C,Della Bella P

更新日期：2020-03-01 00:00:00

abstract：INTRODUCTION:Ablative therapy for atrial fibrillation (AF) by targeting initiating triggers, usually in or around the pulmonary veins, has been reported by several centers. Evidence for an overall improvement in quality of life (QOL) and amelioration of symptoms is lacking. METHODS AND RESULTS:Seventy-one patients und...

journal_title：Journal of cardiovascular electrophysiology

authors： Gerstenfeld EP,Guerra P,Sparks PB,Hattori K,Lesh MD

更新日期：2001-08-01 00:00:00

abstract：:Atrial tachyarrhythmias are the most common arrhythmias in the general population. The abundant experimental evidence suggests that the autonomic nervous system plays an important role in the occurrence of atrial arrhythmias. However, complex interactions of the autonomic nervous system with the arrhythmogenic substra...

journal_title：Journal of cardiovascular electrophysiology

authors： Tai CT,Chiou CW,Chen SA

更新日期：2002-01-01 00:00:00

abstract：INTRODUCTION:The stability of implantable cardiac defibrillation lead impedance subsequent to implantation has not been reported and may have important clinical implications. The objective was to characterize the incidence and degree of impedance changes occurring after implantation of defibrillation lead systems. MET...

journal_title：Journal of cardiovascular electrophysiology

authors： Schwartzman D,Hull ML,Callans DJ,Gottlieb CD,Marchlinski FE

更新日期：1996-08-01 00:00:00

abstract：INTRODUCTION:Oral anticoagulation therapy reduces significantly the risk of thromboembolism in patients with atrial fibrillation. However, effective oral anticoagulation therapy is not feasible in all patients. The interventional occlusion of the left atrial appendage may reduce the risk of thromboembolism in the latte...

journal_title：Journal of cardiovascular electrophysiology

authors： Omran H,Hardung D,Schmidt H,Hammerstingl C,Lüderitz B

更新日期：2003-09-01 00:00:00

abstract：BACKGROUND:Reentry utilizing cavotricuspid isthmus (CTI) is accepted as the mechanism underlying typical atrial flutter (AFLT). However, it is unclear how the right atrial (RA) posterior wall (PW) participates in AFLT circuit. We sought to investigate this by using noncontact electroanatomic mapping. METHODS:Fifteen p...

journal_title：Journal of cardiovascular electrophysiology

authors： Dixit S,Lavi N,Robinson M,Riley MP,Callans DJ,Marchlinski FE,Lin D

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND:Ablation of atrial tachycardia (AT) that occurs after cardiac surgery or prior ablation often requires complex lesion sets. In combination with the pre-existing atrial scar, these lesion sets may result in inadvertent intra-atrial conduction block. This study reports the phenomenon of incidental isolation of...

journal_title：Journal of cardiovascular electrophysiology

authors： Markowitz SM,Choi DY,Daian F,Liu CF,Cheung JW,Thomas G,Ip JE,Lerman BB

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:Stroke risk is a significant concern in patients with atrial fibrillation (AF). Low stroke risk patients (CHADS2 VASc 0-2) are often treated long-term with aspirin after catheter ablation. Defining the long-term risks versus benefits of aspirin therapy, after an ablation, is essential to validate this common...

journal_title：Journal of cardiovascular electrophysiology

authors： Jacobs V,May HT,Bair TL,Crandall BG,Cutler DO MJ,Day JD,Mallender C,Osborn JS,Weiss JP,Bunch TJ

更新日期：2017-11-01 00:00:00

abstract：INTRODUCTION:Patients with nonischemic cardiomyopathy (NICM) and ventricular tachycardia (VT) usually have basal-lateral scar in the left ventricle (LV). We sought to determine electrocardiogram (ECG) characteristics that may help identify NICM patients with basal-lateral scar and VT. METHODS AND RESULTS:Phase I, stud...

journal_title：Journal of cardiovascular electrophysiology

authors： Tzou WS,Zado ES,Lin D,Callans DJ,Dixit S,Cooper JM,Bala R,Garcia F,Hutchinson MD,Riley MP,Deo R,Gerstenfeld EP,Marchlinski FE

更新日期：2011-12-01 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: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：:Similar to the surgical mini-maze procedure, the posterior "box" lesion set employs linear ablation lesions along the anterior aspects of both sets of PVs connected by a roof line and an inferior line to electrically isolate the PVs and complete posterior LA wall en masse. However, creating fully transmural linear atr...

journal_title：Journal of cardiovascular electrophysiology

authors： Reddy VY,Neuzil P,D'Avila A,Ruskin JN

更新日期：2008-03-01 00:00:00

abstract：INTRODUCTION:Deficiency of testosterone was associated with the susceptibility of atrial fibrillation (AF). Angiotensin-II (AngII) receptor antagonists were shown to reduce AF by improving atrial electrical remodeling. This study investigated the effects and mechanism of valsartan, an AngII receptor antagonist, on the ...

journal_title：Journal of cardiovascular electrophysiology

authors： Sun YL,Li PH,Shi L,Su WZ,Li DS,Xue GL,Zhao Y,Li CZ,Li Y,Zhou Y,Li SX,Zhang Y,Lu YJ,Pan ZW

更新日期：2018-10-01 00:00:00

abstract：:Three patients in whom Class IC sodium channel blockers induced ST segment elevation in leads V1 through V3 are described. The underlying electrophysiologic mechanism, implications for drug-induced proarrhythmia, and the relationship of the finding to the Brugada syndrome type of idiopathic ventricular fibrillation ar...

journal_title：Journal of cardiovascular electrophysiology

authors： Krishnan SC,Josephson ME

更新日期：1998-11-01 00:00:00

abstract：BACKGROUND:Remote magnetic navigation (RMN) aims to reduce some inherent limitations of manual radiofrequency (RF) ablation. However, data comparing the effectiveness of both methods are scarce. This study evaluated the acute and long-term success of RMN guided versus manual RF ablation in patients with ischemic sustai...

journal_title：Journal of cardiovascular electrophysiology

authors： Dinov B,Schönbauer R,Wojdyla-Hordynska A,Braunschweig F,Richter S,Altmann D,Sommer P,Gaspar T,Bollmann A,Wetzel U,Rolf S,Piorkowski C,Hindricks G,Arya A

更新日期：2012-05-01 00:00:00

abstract：:Several techniques are used for AF ablation, but no general consensus exists as to which technique is the most effective. At our center, we have developed a technique for isolating the pulmonary veins (PVs) at their antrum. The technique is guided by intracardiac echocardiography (ICE) and mapping with a circular (Las...

journal_title：Journal of cardiovascular electrophysiology

authors： Verma A,Marrouche NF,Natale A

更新日期：2004-11-01 00:00:00

abstract：INTRODUCTION:To determine if collagenase-dispersed epicardial myocytes overlying myocardial infarction reproduce the same altered electrophysiology observed in intact epicardium, multicellular tissue preparations and enzymatically-dispersed myocytes from ischemically-injured canine subepicardium were examined 1 and 4 d...

journal_title：Journal of cardiovascular electrophysiology

authors： Patterson E,Scherlag BJ,Lazzara R

更新日期：1993-02-01 00:00:00

abstract：INTRODUCTION:The upper limit of vulnerability (ULV) correlates with the defibrillation threshold (DFT). The ULV can be determined with a single episode of ventricular fibrillation and is more reproducible than the single-point DFT. The critical-point hypothesis of defibrillation predicts that the relation between the U...

journal_title：Journal of cardiovascular electrophysiology

authors： Swerdlow CD,Kass RM,O'Connor ME,Chen PS

更新日期：1998-04-01 00:00:00

abstract：INTRODUCTION:Ventricular fibrillation and ventricular flutter (cycle length < or = 230 msec) induced at electrophysiologic studies are thought to be nonspecific findings in patients presenting with syncope of unknown origin. However, there are limited data on the prognosis of these patients in long-term follow-up. MET...

journal_title：Journal of cardiovascular electrophysiology

authors： Link MS,Saeed M,Gupta N,Homoud MK,Wang PJ,Estes NA 3rd

更新日期：2002-11-01 00:00:00

abstract：INTRODUCTION:The purpose of this investigation is to evaluate whether a prolonged detection interval for life threatening ventricular tachyarrhythmia (VT) is able to reduce therapies (Rx) delivered by an implantable cardioverter/defibrillator (ICD). Until now, only the PREPARE trial demonstrated a reduction of ICD Rx i...

journal_title：Journal of cardiovascular electrophysiology

authors： Schwab JO,Gasparini M,Lunati M,Proclemer A,Kaup B,Santi E,Ligorio G,Klersy C,DE Sousa J,Okreglicki A,Arenal A,Wijffels M,Lemke B

更新日期：2009-06-01 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:Recent studies described the occurrence of conduction block within pulmonary veins. The purpose of this study was to evaluate the prevalence of exit block during arrhythmias that arise in pulmonary veins. METHODS AND RESULTS:Twenty-five patients with atrial tachycardia/fibrillation underwent successful ab...

journal_title：Journal of cardiovascular electrophysiology

authors： Tse HF,Lau CP,Kou W,Pelosi F,Oral H,Kim M,Michaud GF,Knight BP,Moscucci M,Strickberger SA,Morady F

更新日期：2000-04-01 00:00:00

abstract：INTRODUCTION:Two randomized trials (Multicenter Automatic Defibrillator Implantation Trial [MADIT] and Multicenter Unsustained Tachycardia Trial [MUSTT]) suggest that implantable cardioverter defibrillator (ICD) placement is associated with improved survival in patients with coronary artery disease, depressed left vent...

journal_title：Journal of cardiovascular electrophysiology

authors： Mittal S,Lomnitz DJ,Mirchandani S,Stein KM,Markowitz SM,Slotwiner DJ,Iwai S,Das MK,Lerman BB

更新日期：2002-04-01 00:00:00

abstract：INTRODUCTION:Many patients with atrial fibrillation (AF) receive amiodarone. Amiodarone-induced hyperthyroidism (AIH) may develop as a complication. We hypothesized that pulmonary vein (PV) isolation in patients with paroxysmal AF and history of AIH may yield a lower success rate. METHODS AND RESULTS:Among 704 patient...

journal_title：Journal of cardiovascular electrophysiology

authors： Mikhaylov EN,Orshanskaya VS,Lebedev AD,Szili-Torok T,Lebedev DS

更新日期：2013-08-01 00:00:00

abstract：INTRODUCTION:Treatment refractory ventricular arrhythmias (VAs) are often driven and exacerbated by heightened sympathetic tone. We aim to conduct a systematic review and meta-analysis of published studies of a temporary percutaneous stellate ganglion block (SGB) on VA burden and defibrillation episodes in patients wit...

journal_title：Journal of cardiovascular electrophysiology

authors： Fudim M,Boortz-Marx R,Ganesh A,Waldron NH,Qadri YJ,Patel CB,Milano CA,Sun AY,Mathew JP,Piccini JP

更新日期：2017-12-01 00:00:00

abstract：:Left-sided anteroseptal accessory pathways that course through the aortomitral fibrous continuity are some of the rarest types of accessory pathways. At this region the atrium and ventricle are separated by their greatest distance because of the intervening aortic valve. These pathways often have a long circuitous cou...

journal_title：Journal of cardiovascular electrophysiology

authors： Kalbfleisch SJ,Rhodes TE

更新日期：2013-04-01 00:00:00