Reversal of deteriorated fractal behavior of heart rate variability by beta-blocker therapy in patients with advanced congestive heart failure.

abstract：:The use of multiple His bundle-right bundle branch recordings in electrophysiologic studies has facilitated definition of the mechanism and elucidation of the direction of impulse propagation in bundle branch reentrant tachycardia, "Mahaim" fiber reciprocating tachycardia, and retrograde His depolarization in fascicul...

journal_title：Journal of cardiovascular electrophysiology

authors： Tai YT,Lee KL

更新日期：1994-04-01 00:00:00

abstract：:The remedē system is a novel fully implantable transvenous phrenic nerve stimulation (TPNS) device developed to treat central sleep apnea. No information is published on how to explant or replace its leads. An eighty-one year-old had a fractured lead and we removed it over a wire. However, unbreachable resistances occ...

journal_title：Journal of cardiovascular electrophysiology

authors： Gutleben KJ,Eitz T,Westlund R,Gummert JF,Sommer P,Fox H

更新日期：2020-11-01 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:Mapping procedures to identify triggers of atrial fibrillation from pulmonary veins (PVs) are not well established. We sought to determine the value of multipolar recordings from the coronary sinus (CS) and crista terminalis (CT) for identifying the origin of paced and atrial premature depolarizations (APD...

journal_title：Journal of cardiovascular electrophysiology

authors： Ashar MS,Pennington J,Callans DJ,Marchlinski FE

更新日期：2000-12-01 00:00:00

abstract：INTRODUCTION:Diagnosis of arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) has major implications for the management of patients and their first-degree relatives. Diagnosis is based on a set of criteria proposed by the International Task Force for Cardiomyopathies. We report our experience in providin...

journal_title：Journal of cardiovascular electrophysiology

authors： Bomma C,Rutberg J,Tandri H,Nasir K,Roguin A,Tichnell C,Rodriguez R,James C,Kasper E,Spevak P,Bluemke DA,Calkins H

更新日期：2004-03-01 00:00:00

abstract：INTRODUCTION:Hyperventilation has been demonstrated to alter autonomic function. Sympathomimetic drugs (isoproterenol) and parasympatholytic drugs (atropine) may be needed to facilitate induction of supraventricular tachycardia (SVT). The aim of this study was to test the clinical utility and mechanisms of hyperventila...

journal_title：Journal of cardiovascular electrophysiology

authors： Chen CC,Chen SA,Tai CT,Kuo TB,Chang MS,Prystowsky EN

更新日期：2001-11-01 00:00:00

abstract：:The heart's pacemaker, the sinoatrial node, does not consist of a group of uniform sinoatrial node cells embedded in atrial muscle. Instead, it is a heterogeneous tissue with multiple cell types and a complex structure. Evidence suggests that from the periphery to the center of the sinoatrial node, there is a gradient...

journal_title：Journal of cardiovascular electrophysiology

authors： Boyett MR,Dobrzynski H,Lancaster MK,Jones SA,Honjo H,Kodama I

更新日期：2003-01-01 00:00:00

abstract：:We present a unique case where early proarrhythmic and late antiarrhythmic characteristics of interatrial conduction delay were observed during the long-term progression of HCM. Occurrence of AT constantly increased as the interatrial conduction delay became more prominent, while the P-wave width in sinus rhythm and t...

journal_title：Journal of cardiovascular electrophysiology

authors： Bauernfeind T,Caliskan K,Vletter WB,Ten Cate FJ,Dabiri L,de Groot N,Jordaens L,Szili-Torok T

更新日期：2011-05-01 00:00:00

abstract：INTRODUCTION:Blockade of the rapid delayed rectifier potassium current (IKr) as an important mechanism for current Class III antiarrhythmics is less effective in action potential prolongation during beta-adrenergic activation. We hypothesized that blockade of the increased slow IK (IKs) current during beta-adrenergic s...

journal_title：Journal of cardiovascular electrophysiology

authors： Schreieck J,Wang Y,Gjini V,Korth M,Zrenner B,Schömig A,Schmitt C

更新日期：1997-12-01 00:00:00

abstract：INTRODUCTION:Despite the importance of neurogenic initiation of rapid firing from pulmonary veins (PVs), the mechanism of autonomic modulation of electrophysiological properties of the PV myocardium to form a substrate for atrial arrhythmia remains poorly understood. METHODS AND RESULTS:A 2-microelectrode technique wa...

journal_title：Journal of cardiovascular electrophysiology

authors： Egorov YV,Kuz'min VS,Glukhov AV,Rosenshtraukh LV

更新日期：2015-10-01 00:00:00

abstract：INTRODUCTION:Stimulants are the mainstay therapy for attention deficit/hyperactivity disorder (ADHD) and are associated with adrenergic side effects. There are limited data on the clinical course of patients treated for ADHD who have long-QT syndrome (LQTS), for which β-blockade is the goal of therapy. METHODS:LQTS pa...

journal_title：Journal of cardiovascular electrophysiology

authors： Zhang C,Kutyifa V,Moss AJ,McNitt S,Zareba W,Kaufman ES

更新日期：2015-10-01 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：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：:Electrical instability of the heart has numerous congenital origins. This review approaches the problems from a morphological standpoint, utilizing selected examples from my own studies of the human cardiac conduction system performed during the last three decades. Subjects discussed include multifocal Purkinje cell t...

journal_title：Journal of cardiovascular electrophysiology

authors： James TN

更新日期：1993-12-01 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：INTRODUCTION:Recent evidence has demonstrated that defibrillation shocks terminate or reset reentrant activity in the myocardium through the generation of virtual electrode polarization (VEP). Previous research has revealed that the shock establishes phase singularities (PSs) in the tissue via the VEP mechanism. The ai...

journal_title：Journal of cardiovascular electrophysiology

authors： Hillebrenner MG,Eason JC,Campbell CA,Trayanova NA

更新日期：2003-10-01 00:00:00

abstract：INTRODUCTION:The relationships between heart rate (HR) and HR variability (HRV) are not simple. Because both depend on the autonomic nervous system (ANS), they are not independent variables. Technically, the quantification of HRV is influenced by the duration of the cardiac cycles. The complexity of these relationships...

journal_title：Journal of cardiovascular electrophysiology

authors： Coumel P,Maison-Blanche P,Catuli D

更新日期：1994-11-01 00:00:00

abstract：INTRODUCTION:Atrial arrhythmias have emerged as a topic of great interest for clinical electrophysiologists. Noninvasive imaging of electrical function in humans may be useful for computer-aided diagnosis and treatment of cardiac arrhythmias, which can be accomplished by the fusion of data from ECG mapping and magnetic...

journal_title：Journal of cardiovascular electrophysiology

authors： Modre R,Tilg B,Fischer G,Hanser F,Messnarz B,Seger M,Schocke MF,Berger T,Hintringer F,Roithinger FX

更新日期：2003-07-01 00:00:00

abstract：INTRODUCTION:Anatomic and electrical connections between the left atrium and right atrium (RA) have been described. The relationship between coronary sinus (CS) pacing site and RA activation has not been examined. METHODS AND RESULTS:Fifteen anesthetized swine underwent high-density noncontact mapping of the RA during...

journal_title：Journal of cardiovascular electrophysiology

authors： Betts TR,Ho SY,Sanchez-Quintana D,Roberts PR,Anderson RH,Morgan JM

更新日期：2002-08-01 00:00:00

abstract：INTRODUCTION:We conducted this study to examine the effect of the ICD on the outcomes of patients with prior coronary revascularization enrolled in the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT) and to assess the association of time from coronary revascularization to enrollment with death and sudden cardiac...

journal_title：Journal of cardiovascular electrophysiology

authors： Al-Khatib SM,Hellkamp AS,Lee KL,Anderson J,Poole JE,Mark DB,Bardy GH,scd-heft investigators.

更新日期：2008-10-01 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：INTRODUCTION:Evidence is inconclusive concerning the role of implantable cardioverter defibrillators (ICDs) to treat patients with hemodynamically stable ventricular tachycardia (VT). The goal of this study was to estimate future risk of unstable ventricular arrhythmias in patients who received ICDs for stable VT. MET...

journal_title：Journal of cardiovascular electrophysiology

authors： Glikson M,Lipchenca I,Viskin S,Ballman KV,Trusty JM,Gurevitz OT,Luria DM,Eldar M,Hammill SC,Friedman PA

更新日期：2004-06-01 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：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: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:Ablation of atrial vagal ganglia has been associated with improved pulmonary vein isolation (PVI) outcomes. Disruption of vagal reflexes results in heart rate (HR) increase. We investigated the association between HR change after PVI and freedom from atrial fibrillation (AF) at 1 year. METHODS AND RESULTS...

journal_title：Journal of cardiovascular electrophysiology

authors： Goff ZD,Laczay B,Yenokyan G,Sivasambu B,Sinha SK,Marine JE,Ashikaga H,Berger RD,Akhtar T,Spragg DD,Calkins H

更新日期：2019-12-01 00:00:00

abstract：INTRODUCTION:Cardiac resynchronization therapy (CRT) recipients with ischemic cardiomyopathy (ICM) have scar segments that may limit ventricular resynchronization and clinical response. The impact of myocardial viability at the left ventricular (LV) pacing site on CRT response is poorly elucidated. METHODS AND RESULTS...

journal_title：Journal of cardiovascular electrophysiology

authors： Bose A,Kandala J,Upadhyay GA,Riedl L,Ahmado I,Padmanabhan R,Gewirtz H,Mulligan LJ,Singh JP

更新日期：2014-05-01 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：INTRODUCTION:The nature of the atrial substrate thought to contribute toward maintaining atrial fibrillation (AF) outside the pulmonary veins remains poorly defined. Therefore, our objective was to determine whether patients with paroxysmal and persistent AF have an abnormal electroanatomic substrate within the left at...

journal_title：Journal of cardiovascular electrophysiology

authors： Teh AW,Kistler PM,Lee G,Medi C,Heck PM,Spence SJ,Sparks PB,Morton JB,Kalman JM

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:The incidence of cerebral thromboembolism after pulmonary vein isolation (PVI) ranges from 2% to 14%. This study investigated the incidence of cerebral thromboembolism after complex fractionated atrial electrogram (CFAE) ablation with or without PVI. METHODS:One hundred consecutive atrial fibrillation (AF) ...

journal_title：Journal of cardiovascular electrophysiology

authors： Ichiki H,Oketani N,Ishida S,Iriki Y,Okui H,Maenosono R,Ninomiya Y,Matsushita T,Miyata M,Hamasaki S,Tei C

更新日期：2012-06-01 00:00:00