Search Results - "Tchou, P J"

Preimplantation B-type natriuretic peptide concentration is an independent predictor of future appropriate implantable defibrillator therapies by Verma, A, Kilicaslan, F, Martin, D O, Minor, S, Starling, R, Marrouche, N F, Almahammed, S, Wazni, O M, Duggal, S, Zuzek, R, Yamaji, H, Cummings, J, Chung, M K, Tchou, P J, Natale, A

“…Objective: To assess prospectively whether preimplantation B-type natriuretic peptide (BNP) and C reactive protein (CRP) concentrations predict future…”
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Transthoracic cardioversion of atrial fibrillation : Comparison of rectilinear biphasic versus damped sine wave monophasic shocks by MITTAL, S, AYATI, S, STEIN, K. M, SCHWARTZMAN, D, CAVLOVICH, D, TCHOU, P. J, MARKOWITZ, S. M, SLOTWINER, D. J, SCHEINER, M. A, LERMAN, B. B

“…Clinical studies have shown that biphasic shocks are more effective than monophasic shocks for ventricular defibrillation. The purpose of this study was to…”
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Virtual Electrode-Induced Phase Singularity: A Basic Mechanism of Defibrillation Failure by Efimov, Igor R, Cheng, Yuanna, Van Wagoner, David R, Mazgalev, Todor, Tchou, Patrick J

“…Delivery of a strong electric shock to the heart remains the only effective therapy against ventricular fibrillation. Despite significant improvements in…”
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KCNQ1 mutations in patients with a family history of lethal cardiac arrhythmias and sudden death by Chen, S, Zhang, L, Bryant, RM, Vincent, GM, Flippin, M, Lee, JC, Brown, E, Zimmerman, F, Rozich, R, Szafranski, P, Oberti, C, Sterba, R, Marangi, D, Tchou, PJ, Chung, MK, Wang, Q

“…Long QT syndrome (LQTS) is the prototype of the cardiac ion channelopathies which cause syncope and sudden death. LQT1, due to mutations of KCNQ1 (KVLQT1), is…”
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Virtual Electrode–Induced Reexcitation: A Mechanism of Defibrillation by Cheng, Yuanna, Mowrey, Kent A, Van Wagoner, David R, Tchou, Patrick J, Efimov, Igor R

“…Mechanisms of defibrillation remain poorly understood. Defibrillation success depends on the elimination of fibrillation without shock-induced…”
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SNP S1103Y in the cardiac sodium channel gene SCN5A is associated with cardiac arrhythmias and sudden death in a white family by Chen, S, Chung, M K, Martin, D, Rozich, R, Tchou, P J, Wang, Q

“…Cardiac arrhythmias cause 400 000 sudden deaths annually in the United States alone. Mutations in the cardiac sodium channel gene SCN5A on chromosome 3p21…”
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Right ventricular arrhythmia in the absence of arrhythmogenic dysplasia: MR imaging of myocardial abnormalities by White, R D, Trohman, R G, Flamm, S D, VanDyke, C W, Optican, R J, Sterba, R, Obuchowski, N A, Carlson, M D, Tchou, P J

“…To evaluate right ventricular abnormalities with magnetic resonance (MR) imaging in patients with arrhythmia but without arrhythmogenic dysplasia. In 53…”
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Automatic implantable cardioverter defibrillators and survival of patients with left ventricular dysfunction and malignant ventricular arrhythmias by Tchou, P J, Kadri, N, Anderson, J, Caceres, J A, Jazayeri, M, Akhtar, M

“…To assess survival after insertion of automatic implantable cardioverter defibrillators in high-risk patients who have malignant ventricular arrhythmias and…”
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Wide QRS complex tachycardia. Reappraisal of a common clinical problem by Akhtar, M, Shenasa, M, Jazayeri, M, Caceres, J, Tchou, P J

“…Despite available criteria, diagnosis of the mechanisms of wide complex tachycardia is often incorrect. We aimed in this study to identify reasons for…”
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C-Reactive protein elevation in patients with atrial arrhythmias: Inflammatory mechanisms and persistence of atrial fibrillation by CHUNG, Mina K, MARTIN, David O, VAN WAGONER, David R, SPRECHER, Dennis, WAZNI, Oussama, KANDERIAN, Anne, CARVES, Cynthia A, BAUER, John A, TCHOU, Patrick J, NIEBAUER, Mark J, NATALE, Andrea

“…Atrial fibrillation (AF) may persist due to structural changes in the atria that are promoted by inflammation. C-reactive protein (CRP), a marker of systemic…”
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Higher energy synchronized external direct current cardioversion for refractory atrial fibrillation by Saliba, Walid, Juratli, Nour, Chung, Mina K, Niebauer, Mark J, Erdogan, Okan, Trohman, Richard, Wilkoff, Bruce L, Augostini, Ralph, Mowrey, Kent A, Nadzam, George R, Tchou, Patrick J

“…OBJECTIVES We sought to evaluate the safety and efficacy of higher energy synchronized cardioversion in patients with atrial fibrillation refractory to…”
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Kinetics of defibrillation shock-induced response: design implications for the optimal defibrillation waveform by Mowrey, K A, Cheng, Y, Tchou, P J, Efimov, R

“…Implantable cardioverter defibrillator (ICD) therapy is a well-established therapy for treating patients at high risk for sudden cardiac death. Recently…”
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Surface potentials from the region of the atrioventricular node and their relation to dual pathway electrophysiology by MAZGALEV, T. N, TCHOU, P. J

“…Clinical applications of the principles of dual atrioventricular nodal (AVN) electrophysiology in the treatment of AVN reentrant tachycardias rely on empirical…”
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Is hospital admission for initiation of antiarrhythmic therapy with sotalol for atrial arrhythmias required? : Yield of in-hospital monitoring and prediction of risk for significant arrhythmia complications by CHUNG, M. K, SCHWEIKERT, R. A, TCHOU, P. J, WILKOFF, B. L, NIEBAUER, M. J, PINSKI, S. L, TROHMAN, R. G, KIDWELL, G. A, JAEGER, F. J, MORANT, V. A, MILLER, D. P

“…We sought to determine the yield of in-hospital monitoring for detection of significant arrhythmia complications in patients starting sotalol therapy for…”
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Unexplained syncope evaluated by electrophysiologic studies and head-up tilt testing by Sra, J S, Anderson, A J, Sheikh, S H, Avitall, B, Tchou, P J, Troup, P J, Gilbert, C J, Akhtar, M, Jazayeri, M R

“…To determine the clinical characteristics of subgroups of patients with unexplained syncope having electrophysiologic studies and head-up tilt testing and to…”
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Role of the differential bombardment of atrial inputs to the atrioventricular node as a factor influencing ventricular rate during high atrial rate by GARRIGUE, S, TCHOU, P. J, MAZGALEV, T. N

“…The role of the atrial inputs for the conduction through the atrioventricular node (AVN) at slow rates and during reentrant tachycardia is well acknowledged,…”
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Autonomic modification of the atrioventricular node during atrial fibrillation : Role in the slowing of ventricular rate by MAZGALEV, T. N, GARRIGUE, S, MOWREY, K. A, YAMANOUCHI, Y, TCHOU, P. J

“…Postganglionic vagal stimulation (PGVS) by short bursts of subthreshold current evokes release of acetylcholine from myocardial nerve terminals. PGVS applied…”
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Echocardiographic demonstration of decreased left ventricular dimensions and vigorous myocardial contraction during syncope induced by head-up tilt by Shalev, Yoseph, Gal, Rami, Tchou, Patrick J., Anderson, Alfred J., Avitall, Boaz, Akhtar, Masood, Jazayeri, Mohammad R.

“…Two-dimensional echocardiography was performed during a head-up tilt test in 11 control subjects (group I) and 18 patients with recurrent unexplained syncope…”
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Percutaneous pericardial instrumentation for endo-epicardial mapping of previously failed ablations by SCHWEIKERT, Robert A, SALIBA, Walid I, KANAGARATNAM, Logan, NATALE, Andrea, TOMASSONI, Gery, MARROUCHE, Nassir F, COLE, Christopher R, DRESING, Thomas J, TCHOU, Patrick J, BASH, Dianna, BEHEIRY, Salwa, LAM, Cathy

“…The epicardial location of an arrhythmia could be responsible for unsuccessful endocardial catheter ablation. In 48 patients referred after prior unsuccessful…”
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Atrioventricular nodal conduction during atrial fibrillation : Role of atrial input modification by GARRIGUE, S, MOWREY, K. A, FAHY, G, TCHOU, P. J, MAZGALEV, T. N

“…Posteroseptal ablation of the atrioventricular node (AVN) has been proposed as a means to slow the ventricular rate during atrial fibrillation (AF). The…”
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