Heterogeneous expression of potassium currents and pacemaker currents potentially regulates arrhythmogenesis of pulmonary vein cardiomyocytes.

abstract：UNLABELLED:Electrical Activity and RhoA in the Embryo. INTRODUCTION:Myocardium at the venous pole (sinus venosus) of the heart has gained clinical interest as arrhythmias can be initiated from this area. During development, sinus venosus myocardium is incorporated to the primary heart tube and expresses different mark...

journal_title：Journal of cardiovascular electrophysiology

authors： Vicente-Steijn R,Kolditz DP,Mahtab EA,Askar SF,Bax NA,VAN DER Graaf LM,Wisse LJ,Passier R,Pijnappels DA,Schalij MJ,Poelmann RE,Gittenberger-DE Groot AC,Jongbloed MR

更新日期：2010-11-01 00:00:00

abstract：INTRODUCTION:High recurrence rate is still a major problem associated with ablation of paroxysmal atrial fibrillation (AF). Most of the recurrences occur within 6 months after ablation. The characteristics of very late recurrent AF (>12 months after ablation) have not been reported. METHODS AND RESULTS:Two hundred sev...

journal_title：Journal of cardiovascular electrophysiology

authors： Hsieh MH,Tai CT,Tsai CF,Lin WS,Lin YK,Tsao HM,Huang JL,Ueng KC,Yu WC,Chan P,Ding YA,Chang MS,Chen SA

更新日期：2003-06-01 00:00:00

abstract：INTRODUCTION:Atrial fibrillation (AF) may occasionally affect athletes by impairing their ability to compete, and leading to noneligibility at prequalification screening. The impact of catheter ablation (CA) in restoring full competitive activity of athletes affected by AF is not known. The aim of our study was to inve...

journal_title：Journal of cardiovascular electrophysiology

authors： Furlanello F,Lupo P,Pittalis M,Foresti S,Vitali-Serdoz L,Francia P,De Ambroggi G,Ferrero P,Nardi S,Inama G,De Ambroggi L,Cappato R

更新日期：2008-05-01 00:00:00

abstract：:The Res-Q Arrhythmia Control Device (Intermedics Inc.) is one of the latest entries into the growing implantable cardioverter defibrillator (ICD) market. Dysrhythmias are classified according to their zone of detection, with a bradycardia zone, up to 3 tachycardia zones, and a fibrillation zone. Detection criterion, t...

journal_title：Journal of cardiovascular electrophysiology

authors： Miller RE,Wilkoff BL

更新日期：1995-02-01 00:00:00

abstract：BACKGROUND:Acute failure of radiofrequency ablation (RFA) of ventricular arrhythmias (VAs) occur in 10%-20% of patients and is partly attributed to inadequate lesion depth acquired with standard ablation protocols. Half-normal saline (HNS)-irrigation is a promising strategy to improve the success rate of VA ablation. ...

journal_title：Journal of cardiovascular electrophysiology

authors： Chung FP,Vicera JJB,Lin YJ,Chang SL,Lo LW,Hu YF,Lin CY,Tuan TC,Chao TF,Liao JN,Chang TY,Salim S,Liu CM,Chuang CM,Chen CC,Chin CG,Wu CI,Chou CY,Chen SA

更新日期：2019-09-01 00:00:00

abstract：INTRODUCTION:Results of previous studies suggest that atrial resynchronization by multisite atrial pacing may contribute to prevention of recurrences in patients with drug-refractory atrial tachyarrhythmias and significant intra-atrial conduction delay. METHODS AND RESULTS:To verify this hypothesis, a prospective nonc...

journal_title：Journal of cardiovascular electrophysiology

authors： D'Allonnes GR,Pavin D,Leclercq C,Ecke JE,Jauvert G,Mabo P,Daubert JC

更新日期：2000-10-01 00:00:00

abstract：BACKGROUND:Transseptal puncture (TP) is a prerequisite for LA ablations. LA access can be gained by catheter probing in case of PFO (trans-PFO method) or puncture of the interatrial septum (IAS) using a transseptal needle. A 2nd access can again be gained via PFO, a 2nd TP or catheter probing of the previous puncture s...

journal_title：Journal of cardiovascular electrophysiology

authors： Lehrmann H,Schneider J,Jadidi AS,Park CI,Schiebeling-Römer J,Allgeier J,Arentz T,Weber R

更新日期：2014-05-01 00:00:00

abstract：:Pulmonary vein isolation (PVI) is a well-established treatment for atrial fibrillation (AF); however, studies report suboptimal outcomes in persistent AF. Adjuvant ablation targeting the substrate outside the pulmonary veins has been proposed to improve the success rates of the procedure. In this review, we summarize ...

journal_title：Journal of cardiovascular electrophysiology

authors： Terricabras M,Verma A

更新日期：2020-08-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) significantly reduces health-related quality of life (HRQoL), previously measured in clinical trials using patient-reported outcomes (PROs). We examined AF PROs in clinical practice and their association with subsequent clinical management. METHODS:The Utah My Evaluation (mEVAL) pro...

journal_title：Journal of cardiovascular electrophysiology

authors： Zenger B,Zhang M,Lyons A,Bunch TJ,Fang JC,Freedman RA,Navaravong L,Piccini JP,Ranjan R,Spertus JA,Stehlik J,Turner JL,Greene T,Hess R,Steinberg BA

更新日期：2020-12-01 00:00:00

abstract：INTRODUCTION:Atrial fibrillation (AF) in the left atrium (LA) is poorly defined in terms of regional differences in the degree of organization, characteristics of paroxysmal and persistent variants, and electrophysiologic events that develop at the onset of episodes. METHODS AND RESULTS:The study population consisted ...

journal_title：Journal of cardiovascular electrophysiology

authors： Ndrepepa G,Karch MR,Schneider MA,Weyerbrock S,Schreieck J,Deisenhofer I,Zrenner B,Schömig A,Schmitt C

更新日期：2002-06-01 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：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：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：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:The role of increased dispersion of repolarization in the genesis of torsades de pointes in patients with long QT syndrome has been clarified, but its role in the genesis of idiopathic ventricular fibrillation (VF) is not yet known. To investigate the pathogenesis of VF, we recorded monophasic action poten...

journal_title：Journal of cardiovascular electrophysiology

authors： Matsuo K,Shimizu W,Kurita T,Suyama K,Aihara N,Kamakura S,Shimomura K

更新日期：1998-01-01 00:00:00

abstract：INTRODUCTION:Cardiac resynchronization therapy (CRT) or biventricular pacing (BVP) is becoming an important treatment option in patients with severe congestive heart failure (CHF) and electrical dyssynchrony. When combined with implantable cardioverter-defibrillator (ICD) therapy, cardiac resynchronization therapy with...

journal_title：Journal of cardiovascular electrophysiology

authors： Nayak HM,Verdino RJ,Russo AM,Gerstenfeld EP,Hsia HH,Lin D,Dixit S,Cooper JM,Callans DJ,Marchlinski FE

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND:Data comparing dabigatran with rivaroxaban regarding the resolution of left atrial/left atrial appendage (LA/LAA) thrombus in patients with nonvalvular atrial fibrillation (AF) are scarce. This study aimed to compare the efficacy and safety of dabigatran vs rivaroxaban regarding the resolution of LA/LAA thro...

journal_title：Journal of cardiovascular electrophysiology

authors： Lin C,Quan J,Bao Y,Hua W,Ke M,Zhang N,Jin Q,Xie Y,Wei Y,Ling T,Pan W,Wu L,Xie Y

更新日期：2020-03-01 00:00:00

abstract：:Characterization of the substrate and mechanism of epicardial ventricular tachycardia (VT) associated with idiopathic nonischemic dilated cardiomyopathy is limited. We report a case of successful mapping and ablation of an epicardial VT by a percutaneous transthoracic approach in a patient with idiopathic dilated card...

journal_title：Journal of cardiovascular electrophysiology

authors： Swarup V,Morton JB,Arruda M,Wilber DJ

更新日期：2002-11-01 00:00:00

abstract：INTRODUCTION:As treatment options for ventricular tachycardia (VT) continue to evolve, the use of radiofrequency catheter ablation is rapidly expanding. However, in the presence of multiple morphologies of VT, achieving successful results may seem less likely. We report two patients with multiple morphologies of VT who...

journal_title：Journal of cardiovascular electrophysiology

authors： Underwood RD,Deshpande SS,Biehl M,Cowan M,Akhtar M,Jazayeri MR

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND:Close association between atrial fibrillation (AF) and brain natriuretic peptide (BNP) has been demonstrated by several studies. Important gender differences exist in AF patients including a higher plasma BNP level in women. Therefore, it is imperative to evaluate the relationship between AF and BNP separate...

journal_title：Journal of cardiovascular electrophysiology

authors： Mohanty S,Mohanty P,Di Biase L,Rong B,Burkhardt D,Gallinghouse JG,Horton R,Sanchez JE,Bailey S,Zagrodzky J,Natale A

更新日期：2011-08-01 00:00:00

abstract：:Left atrial tachycardias (ATs) most commonly occur after catheter or surgical ablation of atrial fibrillation and in patients with atrial myopathies. Pre-existing scar in the left atrium (LA) can result in complex circuits, sometimes with narrow channels that can be detected with high-resolution mapping. The most comm...

journal_title：Journal of cardiovascular electrophysiology

authors： Markowitz SM,Thomas G,Liu CF,Cheung JW,Ip JE,Lerman BB

更新日期：2019-12-01 00:00:00

abstract：INTRODUCTION:To evaluate short-term efficacy and incidence of ablation-induced endoscopically detected esophageal injury in patients undergoing high-power, short-duration (HPSD) pulmonary vein isolation using a novel irrigated radiofrequency ablation catheter and ablation generator setup. METHODS AND RESULTS:Atrial fi...

journal_title：Journal of cardiovascular electrophysiology

authors： Piringer R,Deneke T,Foldyna B,Sonne K,Nentwich K,Ene E,Barth S,Lüsebrink U,Berkovitz A,Halbfass P

更新日期：2021-01-13 00:00:00

abstract：INTRODUCTION:Ventricular arrhythmias are a common feature in patients with mitral valve prolapse. In an attempt to determine the origin and underlying electrophysiologic mechanism, we describe a patient with ventricular fibrillation, exercise-induced ventricular tachycardia (VT), and, at the time of diagnosis, prolapse...

journal_title：Journal of cardiovascular electrophysiology

authors： Wilde AA,Düren DR,Hauer RN,deBakker JM,Bakker PF,Becker AE,Janse MJ

更新日期：1997-03-01 00:00:00

abstract：INTRODUCTION:Besides the traditional concept of atrial fibrillation (AF) perpetuating atrial structural remodeling, there is increasing evidence that atrial fibrosis might precede AF, highlighting the need for better characterization of the fibrotic substrate. We aimed to assess atrial fibrosis by use of late gadoliniu...

journal_title：Journal of cardiovascular electrophysiology

authors： Siebermair J,Suksaranjit P,McGann CJ,Peterson KA,Kheirkhahan M,Baher AA,Damal K,Wakili R,Marrouche NF,Wilson BD

更新日期：2019-04-01 00:00:00

abstract：INTRODUCTION:Despite the great success in treating AV nodal reentrant tachycardia (AVNRT) with radiofrequency modification of the AV node, the dimensions of the electrophysiologic circuit of this arrhythmia remain unclear, and simple models fail to explain all tachycardia-related phenomena. METHODS AND RESULTS:We desc...

journal_title：Journal of cardiovascular electrophysiology

authors： Dizon J,Reiffel J,Kassotis J,Woollett I,Garan H

更新日期：2003-05-01 00:00:00

abstract：INTRODUCTION:The apamin-sensitive small-conductance calcium-activated potassium current (IKAS ) is increased in heart failure. It is unknown if myocardial infarction (MI) is also associated with an increase of IKAS . METHODS AND RESULTS:We performed Langendorff perfusion and optical mapping in 6 normal hearts and 10 h...

journal_title：Journal of cardiovascular electrophysiology

authors： Lee YS,Chang PC,Hsueh CH,Maruyama M,Park HW,Rhee KS,Hsieh YC,Shen C,Weiss JN,Chen Z,Lin SF,Chen PS

更新日期：2013-10-01 00:00:00

abstract：INTRODUCTION:Fusion of left ventricular pacing with intrinsic conduction provides superior resynchronization compared to biventricular pacing. His bundle pacing (HBP) preserves intrinsic conduction and allows for constant fusion with left ventricular pacing. This study evaluated sequential His bundle and left ventricul...

journal_title：Journal of cardiovascular electrophysiology

authors： Deshmukh A,Sattur S,Bechtol T,Heckman LIB,Prinzen FW,Deshmukh P

更新日期：2020-09-01 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: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：:Autonomic dysfunction may occur as a consequence of radiofrequency (RF) catheter ablation of a variety of supraventricular tachycardias. Effects suggestive of autonomic dysfunction that may be seen acutely during the ablation procedure include sudden profound slowing of the sinus rate or transient AV block. These abno...

journal_title：Journal of cardiovascular electrophysiology

authors： Friedman PL,Stevenson WG,Kocovic DZ

更新日期：1996-05-01 00:00:00