Signal transduction in ischemic preconditioning: the role of kinases and mitochondrial K(ATP) channels.

abstract：INTRODUCTION:This study was designed to analyze dynamic changes in autonomic tone preceding the onset of sustained atrial arrhythmias in patients with focal atrial fibrillation (AF) to determine why patients with frequent discharge from the arrhythmogenic foci develop sustained AF. METHODS AND RESULTS:Holter tapes fro...

journal_title：Journal of cardiovascular electrophysiology

authors： Zimmermann M,Kalusche D

更新日期：2001-03-01 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：INTRODUCTION:This observational study was designed to analyze the safety and feasibility of percutaneous skin closure using a purse-string suture and compare it with the use of a compression bandage after pulmonary vein isolation. METHODS AND RESULTS:A total of 407 patients undergoing pulmonary vein isolation (217 wit...

journal_title：Journal of cardiovascular electrophysiology

authors： Akkaya E,Berkowitsch A,Zaltsberg S,Deubner N,Greiss H,Hain A,Hamm CW,Sperzel J,Neumann T,Kuniss M

更新日期：2017-09-01 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: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：:Atrial fibrillation (AF) is a progressive disease in which arrhythmia-induced remodeling facilitates evolution from paroxysmal AF to persistent and permanent AF. Changes in electrical, structural, and contractile properties of cardiac tissue that are thought to underlie AF maintenance and progression are reviewed. Als...

journal_title：Journal of cardiovascular electrophysiology

authors： Cohen M,Naccarelli GV

更新日期：2008-08-01 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: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：INTRODUCTION:Capacitance is known to influence defibrillation. Optimal biphasic waveform capacitance for transvenous unipolar defibrillation systems in man is currently being defined. In an effort to improve defibrillation efficacy, we examined the relative defibrillation efficacy of a 65% tilt biphasic pulse from a 90...

journal_title：Journal of cardiovascular electrophysiology

authors： Poole JE,Kudenchuk PJ,Dolack GL,Jones GK,Degroot P,Johnson G,Bardy GH

更新日期：1995-12-01 00:00:00

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:Following radiofrequency catheter ablation of AV nodal reentrant tachycardia (AVNRT), inappropriate sinus tachycardia may occur, possibly due to damage to autonomic cardiac nerve fibers. Furthermore, inducibility of AVNRT is often critically dependent on the autonomic balance. We investigated whether succe...

journal_title：Journal of cardiovascular electrophysiology

authors： Kowallik P,Escher S,Peters W,Braun C,Meesmann M

更新日期：1998-06-01 00:00:00

abstract：UNLABELLED:Early Repolarization in Noncompaction Cardiomyopathy.  BACKGROUND:Early repolarization (ER) is associated with malignant ventricular arrhythmias, including ventricular fibrillation (VF) and sudden cardiac death (SCD). One possible mechanism is increased trabeculation with deep intramyocardial invagination, ...

journal_title：Journal of cardiovascular electrophysiology

authors： Caliskan K,Ujvari B,Bauernfeind T,Theuns DA,Van Domburg RT,Akca F,Jordaens L,Simoons ML,Szili-Torok T

更新日期：2012-09-01 00:00:00

abstract：INTRODUCTION:Cryothermal, HIFU, and laser catheter-based balloon technologies have been developed to simplify ablation for AF. Initial enthusiasm for their widespread use has been dampened by phrenic nerve (PN) injury. The interaction between PN and pulmonary vein (PV) geometry contributing to PN injury is unclear. ME...

journal_title：Journal of cardiovascular electrophysiology

authors： Okumura Y,Henz BD,Bunch TJ,Dalegrave C,Johnson SB,Packer DL

更新日期：2009-10-01 00:00:00

abstract：INTRODUCTION:A neural network classifier has been designed, which is able to distinguish atrial fibrillation (AF) from other supraventricular arrhythmias in ambulatory (Holter) ECGs. METHOD AND RESULTS:The classification algorithm uses a rhythm analysis that considers the ECG to be a time series of RR interval duratio...

journal_title：Journal of cardiovascular electrophysiology

authors： Cubanski D,Cyganski D,Antman EM,Feldman CL

更新日期：1994-07-01 00:00:00

abstract：AIMS:We sought to assess (1) clinical outcomes of second-generation cryoballoon (CB) ablation for persistent atrial fibrillation (AF), and (2) the association of baseline and procedural covariates with atrial arrhythmia recurrence (AAR) after ablation. METHODS:A total of 135 patients (63 ± 11 years, 96 men [71%]) with...

journal_title：Journal of cardiovascular electrophysiology

authors： Reissmann B,Plenge T,Heeger CH,Schlüter M,Wohlmuth P,Fink T,Rottner L,Tilz RR,Mathew S,Lemeš C,Maurer T,Lüker J,Sultan A,Bellmann B,Goldmann B,Ouyang F,Kuck KH,Metzner A,Steven D,Rillig A

更新日期：2019-09-01 00:00:00

abstract：INTRODUCTION:Gender differences and seasonal variations in cardiac electrophysiology and susceptibility to arrhythmias have been described clinically. The present study was undertaken to determine if there are similar gender and seasonally related differences in the electrophysiology of the rabbit heart. METHODS AND R...

journal_title：Journal of cardiovascular electrophysiology

authors： Spear JF,Moore EN

更新日期：2000-08-01 00:00:00

abstract：:When an implanted device is infected, complete explantation of the device system, including lead extraction, is usually required. Superficial problems with wound healing may be managed more conservatively, but distinguishing between a surface process and deeper infection can pose a clinical challenge. We present a cas...

journal_title：Journal of cardiovascular electrophysiology

authors： Tschabrunn CM,Rosenbach M,Lavi N,Cooper JM

更新日期：2012-03-01 00:00:00

abstract：:We report the case of a 71-year-old man with two atrial tachycardias evolving simultaneously and independently in two dissociated regions after extensive ablation for chronic atrial fibrillation. One tachycardia was a focal tachycardia originating from the right inferior pulmonary vein and activating the posterior lef...

journal_title：Journal of cardiovascular electrophysiology

authors： Matsuo S,Lim KT,Knecht S,Arantes L,Haïssaguerre M

更新日期：2008-09-01 00:00:00

abstract：:A patient with drug-refractory paroxysmal atrial fibrillation associated with rapid ventricular rate underwent biatrial pacemaker implantation. During elective replacement of the pacemaker, a significant voltage- and frequency-dependent decrease in ventricular rate was achieved by high-frequency electrical stimulation...

journal_title：Journal of cardiovascular electrophysiology

authors： Vágó H,Róka A,Acsády G,Merkely B

更新日期：2004-05-01 00:00:00

abstract：INTRODUCTION:Mutations of human ether-à-go-go-related gene (hERG), which encodes a cardiac K(+) channel responsible for the acceleration of the repolarizing phase of an action potential and the prevention of premature action potential regeneration, often cause severe arrhythmic disorders. We found a novel missense muta...

journal_title：Journal of cardiovascular electrophysiology

authors： Kinoshita K,Yamaguchi Y,Nishide K,Kimoto K,Nonobe Y,Fujita A,Asano K,Tabata T,Mori H,Inoue H,Hata Y,Fukurotani K,Nishida N

更新日期：2012-11-01 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：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：: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:We prospectively compared the efficacy, safety, and quality of life (QoL) impact of catheter ablation versus antiarrhythmic drugs (AAD) in elderly patients with persistent atrial fibrillation (AF). METHODS AND RESULTS:Four hundred and twelve consecutive patients, aged ≥ 70 years, underwent ablation (Group A...

journal_title：Journal of cardiovascular electrophysiology

authors： Blandino A,Toso E,Scaglione M,Anselmino M,Ferraris F,Sardi D,Battaglia A,Gaita F

更新日期：2013-07-01 00:00:00

abstract：INTRODUCTION:The most frequent complications of AF ablation (AFA) are related to vascular access, but there is little evidence as to how these can be minimized. METHODS:Consecutive patients undergoing AFA at a high-volume center received either standard care (Group S) or routine ultrasound-guided vascular access (Grou...

journal_title：Journal of cardiovascular electrophysiology

authors： Wynn GJ,Haq I,Hung J,Bonnett LJ,Lewis G,Webber M,Waktare JE,Modi S,Snowdon RL,Hall MC,Todd DM,Gupta D

更新日期：2014-07-01 00:00:00

abstract：BACKGROUND:Cardiac resynchronization therapy (CRT) is commonly used to manage heart failure, yet published guidelines do not distinguish between recommendations for pacemakers (CRT-P) and defibrillators (CRT-D) despite significant differences in size, longevity, and cost between these devices. The purpose of this study...

journal_title：Journal of cardiovascular electrophysiology

authors： Munir MB,Althouse AD,Rijal S,Shah MB,Abu Daya H,Adelstein E,Saba S

更新日期：2016-06-01 00:00:00

abstract：INTRODUCTION:Studies suggest that entrainment response (ER) of reentrant tachycardia to overdrive pacing can be estimated using signals from sites other than the paced site. METHODS AND RESULTS:A formula for estimation of ER using remote sites against the difference between the postpacing interval (PPI) and tachycardi...

journal_title：Journal of cardiovascular electrophysiology

authors： Hammer PE,Brooks DH,Triedman JK

更新日期：2003-01-01 00:00:00

abstract：:Retrograde lower common pathway block during AV nodal reentrant tachycardia has rarely been reported. In this report, we demonstrate retrograde ventriculoatrial block during sinus rhythm and during AV nodal reentrant tachycardia in a woman with recurrent supraventricular tachycardia. In addition, evidence of antegrade...

journal_title：Journal of cardiovascular electrophysiology

authors： Wood M,Kiser R,Ellenbogen K

更新日期：2011-08-01 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：INTRODUCTION:The aim of this study was to evaluate the efficacy and the impact on quality of life of a new ablative approach to the right atrium in patients with atrial fibrillation (AF). METHODS AND RESULTS:Seventy-four symptomatic patients with paroxysmal (n = 49) or permanent (n = 25) refractory AF underwent radiof...

journal_title：Journal of cardiovascular electrophysiology

authors： Calò L,Lamberti F,Loricchio ML,Castro A,Shpun S,Boggi A,Pandozi C,Santini M

更新日期：2004-01-01 00:00:00