Thinking inside the box: Custom pacemaker improves device longevity in a congenital heart patient.

abstract：INTRODUCTION:Accurate analysis of the arrhythmia substrate is important for successful radiofrequency ablation of sustained ventricular tachycardia (VT) after myocardial infarction (MI). METHODS AND RESULTS:A multielectrode "basket" catheter capable of endocardial recording and pacing was inserted percutaneously into ...

journal_title：Journal of cardiovascular electrophysiology

authors： Greenspon AJ,Hsu SS,Borge R,Smith MF,Eldar M

更新日期：1999-11-01 00:00:00

abstract：:We report a case of pericardial constriction associated with defibrillator patches developing 4.5 years after implantation. This constriction was related to the presence of a large pericardial mass that had developed above the defibrillator patch. This mass, which had a calcified superior border, suggested former hema...

journal_title：Journal of cardiovascular electrophysiology

authors： Le Tourneau T,Klug D,Lacroix D,Kacet S,Lekieffre J

更新日期：1996-06-01 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：: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:The value of noninvasive markers reflecting repolarization and/or conduction abnormalities in identifying patients with abnormal ECG showing a pattern of atypical right bundle branch block and ST elevation syndrome (Brugada syndrome) at risk for life-threatening arrhythmias is controversial. Because right ...

journal_title：Journal of cardiovascular electrophysiology

authors： Eckardt L,Bruns HJ,Paul M,Kirchhof P,Schulze-Bahr E,Wichter T,Breithardt G,Borggrefe M,Haverkamp W

更新日期：2002-08-01 00:00:00

abstract：INTRODUCTION:While some posteroseptal and left posterior accessory pathways (APs) can be ablated on the tricuspid annulus or within the coronary venous system, others require a left-sided approach. "Fragmented" or double potentials are frequently recorded in the coronary sinus (CS), with a smaller, blunt component from...

journal_title：Journal of cardiovascular electrophysiology

authors： Pap R,Traykov VB,Makai A,Bencsik G,Forster T,Sághy L

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to assess how well acute procedural outcomes predict the clinical outcome of catheter ablation of premature ventricular complexes (PVCs). METHODS:A consecutive series of 50 patients (28 women, age: 51 ± 13 years) with frequent PVCs was referred for PVC ablation. Acute failure w...

journal_title：Journal of cardiovascular electrophysiology

authors： Baser K,Bas HD,Belardi D,Yokokawa M,Good E,Latchamsetty R,Morady F,Bogun F

更新日期：2014-06-01 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：:About one fifth of all deaths occur suddenly and unexpectedly, often as the first manifestation of heart disease. Several tests have been developed during the past 2 decades for risk stratification of such an event, but only a minority of victims can be identified as being at high risk before sudden death occurs. Impr...

journal_title：Journal of cardiovascular electrophysiology

authors： Wellens HJ,Gorgels AP,de Munter H

更新日期：2003-09-01 00:00:00

abstract：:Despite preserved left ventricular function, exercise capacity is often impaired after cardiac transplantation due to autonomic denervation of the donor's sinus node. We present our experience with atrio-atrial resynchronization in 2 pediatric heart transplant recipients. Both were highly active, suffered from chronot...

journal_title：Journal of cardiovascular electrophysiology

authors： Cadrin-Tourigny J,Fournier A,Khairy P,Vobecky SJ

更新日期：2010-05-01 00:00:00

abstract：INTRODUCTION:Significant species-, tissue-, and age-dependent differences have been described for the L-type calcium current (ICa). Therefore, extrapolation of data obtained from the many animal models to human cardiac physiology is difficult. In this study, we have characterized the voltage-dependent properties of ICa...

journal_title：Journal of cardiovascular electrophysiology

authors： Cohen NM,Lederer WJ

更新日期：1993-08-01 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：: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：INTRODUCTION:The genesis of repolarization abnormalities of ECG waveforms in atrial septal defect (ASD), which typically is characterized by right ventricular (RV) volume overload, has not been explored, particularly in association with postoperative hemodynamic improvement. The aim of this study was to evaluate the ef...

journal_title：Journal of cardiovascular electrophysiology

authors： Asano Y,Izumida N,Kawano S,Sawanobori T,Hiraoka M

更新日期：2004-08-01 00:00:00

abstract：INTRODUCTION:Previous studies have underscored the importance of the interpulmonary isthmus in the initiation and maintenance of atrial fibrillation (AF). The efficacy of additional radiofrequency energy delivery in the interpulmonary isthmus following pulmonary vein antral isolation (PVAI) was investigated. METHODS A...

journal_title：Journal of cardiovascular electrophysiology

authors： Letsas KP,Efremidis M,Vlachos K,Karlis D,Lioni L,Asvestas D,Valkanas K,Mihas CC,Sideris A

更新日期：2014-07-01 00:00:00

abstract：INTRODUCTION:Electrophysiological mapping (EPM) in coronary sinus (CS) branches is feasible for guiding LV lead placement to the optimal, latest activated site at cardiac resynchronization therapy (CRT) procedures. However, whether this procedure optimizes the response to CRT has not been demonstrated. This study was t...

journal_title：Journal of cardiovascular electrophysiology

authors： Liang Y,Yu H,Zhou W,Xu G,Sun YI,Liu R,Wang Z,Han Y

更新日期：2015-12-01 00:00:00

abstract：:A case of iterative atrial tachycardia leading to dilated cardiomyopathy is reported. During electrophysiologic study, the tachycardia showed a markedly irregular cycle length associated with changes in atrial activation breakthrough as demonstrated by coronary sinus (CS) recordings and frequently degenerated into sel...

journal_title：Journal of cardiovascular electrophysiology

authors： Tritto M,Zardini M,De Ponti R,Salerno-Uriarte JA

更新日期：2001-10-01 00:00:00

abstract：INTRODUCTION:In isolated rabbit hearts, repetitive endocardial focal discharges (REFDs) were consistently observed during ventricular fibrillation (VF) with prolonged (>5 minutes) global ischemia (GI). We hypothesized that BAPTA-AM, a calcium chelator, can suppress these REFDs. METHODS AND RESULTS:Using a two-camera o...

journal_title：Journal of cardiovascular electrophysiology

authors： Wu TJ,Lin SF,Hsieh YC,Lin TC,Lin JC,Ting CT

更新日期：2011-10-01 00:00:00

abstract：INTRODUCTION:The slope of the power spectrum in heart rate variability (HRV) reflects the fractal or scaling behavior in HR dynamics and recently was confirmed as an independent predictor of postmyocardial infarction survival. Whether or not the new measurement in HRV foresees the functional evolution in patients with ...

journal_title：Journal of cardiovascular electrophysiology

authors： Lin LY,Lin JL,Du CC,Lai LP,Tseng YZ,Huang SK

更新日期：2001-01-01 00:00:00

abstract：:Vagus nerve activity can change heart rate substantially within one cardiac cycle, and the chronotropic effects decay almost completely within one cardiac cycle after cessation of vagal activity. The ability of the vagus nerves to regulate heart rate beat by beat can be explained in large part by the speed at which th...

journal_title：Journal of cardiovascular electrophysiology

authors： Levy MN,Yang T,Wallick DW

更新日期：1993-04-01 00:00:00

abstract：UNLABELLED:Lesion dimension of cryoablation. BACKGROUND:Transvenous catheter cryoablation is a novel technique for treating cardiac arrhythmias. However, the relative importance of temporal application parameters on lesion dimension and clinical efficacy has not been studied. METHODS AND RESULTS:We investigated the e...

journal_title：Journal of cardiovascular electrophysiology

authors： Tse HF,Ripley KL,Lee KL,Siu CW,Van Vleet JF,Pelkey WL,Lau CP

更新日期：2005-02-01 00:00:00

abstract：BACKGROUND:The usefulness of ventricular entrainment to differentiate AV nodal reentrant tachycardia (AVNRT) from orthodromic reciprocating tachycardia (ORT) by substracting the corrected postpacing interval (cPPI) from the tachycardia cycle length (TCL) or the ventriculoatrial interval during stimulation (SA) from tha...

journal_title：Journal of cardiovascular electrophysiology

authors： Javier García-Fernández F,Almendral J,Marta Pachón,González-Torrecilla E,Martín J,Gallardo R

更新日期：2013-05-01 00:00:00

abstract：INTRODUCTION:Ultrasound guided axillary vein access (UGAVA) is an emerging approach for cardiac implantable electronic device (CIED) implantation not widely utilized. METHODS AND RESULTS:This is a retrospective, age and sex-matched cohort study of CIED implantation from January 2017 to July 2019 comparing UGAVA before...

journal_title：Journal of cardiovascular electrophysiology

authors： Chandler JK,Apte N,Ranka S,Mohammed M,Noheria A,Emert M,Pimentel R,Dendi R,Reddy M,Sheldon SH

更新日期：2020-12-18 00:00:00

abstract：INTRODUCTION:Recent work has suggested a role for organized sources in sustaining ventricular fibrillation (VF). We assessed whether ablation of rotor substrate could modulate VF inducibility in canines, and used this proof-of-concept as a foundation to suppress antiarrhythmic drug-refractory clinical VF in a patient w...

journal_title：Journal of cardiovascular electrophysiology

authors： Krummen DE,Hayase J,Vampola SP,Ho G,Schricker AA,Lalani GG,Baykaner T,Coe TM,Clopton P,Rappel WJ,Omens JH,Narayan SM

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND:Long QT syndrome (LQTS) is a dangerous arrhythmia disorder that often presents in childhood and adolescence. The exercise stress test (EST) and QT-stand test may unmask QT interval prolongation at key heart rate transition points in LQTS, but their utility in children is debated. OBJECTIVE:To determine if t...

journal_title：Journal of cardiovascular electrophysiology

authors： Roston TM,De Souza AM,Romans HV,Franciosi S,Armstrong KR,Sanatani S

更新日期：2020-12-31 00:00:00

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:Recurrences after atrial fibrillation (AF) ablation are still common. Among the reported clinical and imaging predictors of recurrences, diagnosis-to-ablation time (DAT) has been defined as a predictor of ablation outcome in single-center studies. We aimed to validate DAT in a multicenter real-life cohort....

journal_title：Journal of cardiovascular electrophysiology

authors： Bisbal F,Alarcón F,Ferrero-De-Loma-Osorio A,González-Ferrer JJ,Alonso-Martín C,Pachón M,Vallés E,Cabanas-Grandío P,Sanchez M,Benito E,Sarrias A,Ruiz-Granell R,Pérez-Villacastín J,Viñolas X,Arias MA,Martí-Almor J,García-Ca

更新日期：2019-09-01 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:Quinidine has been evaluated in patients with a short QT-1 syndrome caused by an IKr gain-of-function mutation of HERG. Recently, in vitro data with disopyramide showed an even stronger effect on the N588K mutant current. The aim of the present study was to test the in vivo effects of disopyramide in patie...

journal_title：Journal of cardiovascular electrophysiology

authors： Schimpf R,Veltmann C,Giustetto C,Gaita F,Borggrefe M,Wolpert C

更新日期：2007-11-01 00:00:00

abstract：:A 14-year-old girl with a history of recurrent palpitations and documented wide QRS complex tachycardia was referred for electrophysiologic study and catheter ablation. ...

journal_title：Journal of cardiovascular electrophysiology

authors： Arias MA,Puchol A,Pachón M,Martín-Sierra C

更新日期：2019-07-01 00:00:00