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Hrayr Karagueuzian, Ph.D.

University of California, Los Angeles # of Grants: 4

Grants

Nicotine and cardiac vulnerability to fibrillation 1997 (Cycle 6) $370,057
Cardiovascular Disease Research Project Awards

Nicotine & cardiac vulnerability to fibrillation 2000 (Cycle 9) $120,000
Cardiovascular Disease Research Project Awards

Nicotine and cardiac vulnerability to fibrillation 2002 (Cycle 11) $641,821
Cardiovascular Disease Research Project Awards

Tobacco radioactivity & public health policy 2005 (Cycle 14) $154,367
Public Health, Public Policy, and Economics Inno Dev & Exp Awards (IDEAS)
Publications

Transmembrane potential properties of atrial cells at different sites of a spiral wave reentry. Cellular _x000d_ evidence for an excitable but non-excited core.
Periodical: Pacing and Clinical Electrophysiology Index Medicus:
Authors: Karagueuzian HS, Athill CA, Yashima M, et al ART
Yr: 1998 Vol: Nbr: Abs: Pg: 2360-2365

Mechanism of acceleration of functional reentry in the ventricle
Periodical: Circulation Index Medicus:
Authors: Uchida T, Yashima M, Gotoh M, et al ART
Yr: 1999 Vol: 99 Nbr: Abs: Pg: 704-712

Nicotine increases spatiotemporal complexity of ventricular fibrillation wave fronts on the epicardial border zone of healed canine infarcts
Periodical: Journal of Cardiovascular Pharmacology Index Medicus:
Authors: Ohara T, Yashima M, Hamzei A, et al ART
Yr: 1999 Vol: 4 Nbr: Abs: Pg: 121-127

Idiopathic paroxysmal atrial fibrillation induced by a focal discharge mechanism in the left superior pulmonary vein. Possible role of the ligament of Marshall
Periodical: Journal of Cardiovascular Electrophysiology Index Medicus:
Authors: Hwang C, Karagueuzian HS, Chen P-S ART
Yr: 1999 Vol: 10 Nbr: Abs: Pg: 636-648

Role of papillary muscle in the generation and maintenance of reentry during ventricular tachycardia and fibrillation in isolated swine right ventricle
Periodical: Circulation Index Medicus:
Authors: Kim Y-H, Xie F, Yashima M, et al ART
Yr: 1999 Vol: Nbr: Abs: Pg:

Mechanism of procainamide-induced prevention of spontaneous wave break during ventricular fibrillation. Insight into the fibrillation wave fronts
Periodical: Circulation Index Medicus:
Authors: Kim Y-H, Yashima M, Wu T-J, Chen P-S, Karagueuzian HS ART
Yr: 1999 Vol: Nbr: Abs: Pg:

Current concept of ventricular defibrillation
Periodical: Journal of Cardiovascular Electrophysiology Index Medicus:
Authors: Chen P-S, Swerldow CD, Hwang C, Karagueuzian HS ART
Yr: 1998 Vol: 9 Nbr: Abs: Pg: 553-562

Focal source hypothesis of atrial fibrillation
Periodical: Journal of Electrocardiology Index Medicus:
Authors: Chen P-S, Wu T-J, Ikeda T, et al ART
Yr: 1999 Vol: 31 Nbr: Suppl Abs: Pg: 32-34

Chaos and the transition to ventricular fibrillation: A new approach to antiarrhythmic drug evaluation
Periodical: Circulation Index Medicus:
Authors: Weiss JN, Garfinkel A, Karagueuzian HS, Qu Z, Chen P-S ART
Yr: 1999 Vol: Nbr: Abs: Pg:

Cardiac action potential recorded with pure iridium metal microelectrode
Periodical: American Journal of Physiology Index Medicus:
Authors: Omichi C, Lee M-H, Ohara T, Naik AM, Karagueuzian HS, Chen P-S ART
Yr: 2000 Vol: 279 Nbr: Abs: Pg: H3113-H3117

Obstacle-induced transition from ventricular fibrillation to ventricular tachycardia in isolated swine right ventricles
Periodical: Index Medicus:
Authors: Vladerrabano M, Kim Y-H, Yashima M, Wu T-J, Karagueuzian HS, Chen P-S ART
Yr: Vol: Nbr: Abs: Pg:

Co-localization of tenascin and sympathetic nerves in a canine model of nerve sprouting and sudden cardiac death
Periodical: Journal of Cardiovascular Electrophysiology Index Medicus:
Authors: Lai AC, Wallner K, Cao J-M, et al ART
Yr: 2000 Vol: 11 Nbr: Abs: Pg: 1345-1351

Nerve sprouting and sympathetic hyperinnervation in a canine model of atrial fibrillation produced by prolonged right atrial pacing
Periodical: Circulation Index Medicus:
Authors: Chang C-M, Wu T-J, Zhou S-M, et al ART
Yr: 2001 Vol: 103 Nbr: Abs: Pg: 22-25

Pulmonary veins and ligament of Marshall as sources of rapid activations in a canine model of sustained atrial fibrillation
Periodical: Circulation Index Medicus:
Authors: Wu T-J, Ong J-JC, Chang C-M, et al ART
Yr: 2001 Vol: 103 Nbr: Abs: Pg: 1157-1163

Increased wavebreak during ventricular fibrillation in the epicardial border zone of hearts with healed myocardial infarction
Periodical: Circulation Index Medicus:
Authors: Ohara T, Cao J-M, Fishbein MC, Mandel WJ, Chen P-S, Karagueuzian HS ART
Yr: 2001 Vol: 103 Nbr: Abs: Pg: 1465-1472

Cardiac action potential recorded with pure iridium metal microelectrode: a comparative study with glass microelectrode studies
Periodical: American Journal of Physiology Index Medicus:
Authors: Omichi C, Lee M-H, Ohara T, Naik AM, Karagueuzian HS, Chen P-S ART
Yr: 2000 Vol: 279 Nbr: Abs: Pg: H3113-H3117

Obstacle-induced transition from ventricular fibrillation to ventricular tachycardia in isolated swine right ventricles
Periodical: Journal of the American College of Cardiology Index Medicus:
Authors: Vladerrabano M, Kim Y-H, Yashima M, Wu T-J, Karagueuzian HS, Chen P-S ART
Yr: 2000 Vol: 36 Nbr: Abs: Pg: 2000-2008

Co-localization of tenascin and sympathetic nerves in a canine model of nerve sprouting and sudden cardiac death
Periodical: Journal of Cardiovascular Electrophysiology Index Medicus:
Authors: Lai AC, Wallner K, Cao J-M, et al ART
Yr: 2000 Vol: 11 Nbr: Abs: Pg: 1345-1351

Nerve sprouting and sympathetic hyperinnervation in a canine model of atrial fibrillation produced by prolonged right atrial pacing
Periodical: Circulation Index Medicus:
Authors: Chang C-M, Wu T-J, Zhou S-M, et al ART
Yr: 2001 Vol: 103 Nbr: Abs: Pg: 22-25

Pulmonary veins and ligament of Marshall as sources of rapid activations in a canine model of sustained atrial fibrillation
Periodical: Circulation Index Medicus:
Authors: Wu TJ, Ong JJC, Chang C-M, et al ART
Yr: 2001 Vol: 103 Nbr: Abs: Pg: 1157-1163

Increased wavebreak during ventricular fibrillation in the epicardial border zone of hearts with healed myocardial infarction
Periodical: Circulation Index Medicus:
Authors: Ohara T, Cao J-M, Fishbeine MC, Mandel WJ, Chen P-S, Karagueuzian HS ART
Yr: 2001 Vol: 103 Nbr: Abs: Pg: 1465-1472

The effects of diacetyl monoxime and cytochalasin D on action potential duration restitution and the dynamics of ventricular fibrillation in isolated swine right ventricles
Periodical: American Journal of Physiology Index Medicus:
Authors: Lee M-H, Lin S-F, Ohara T, et al ART
Yr: 2001 Vol: Nbr: Abs: Pg: H253-H265

Dynamics of intramural and transmural reentry during ventricular fibrillation in isolated swine ventricles
Periodical: Circulation Research Index Medicus:
Authors: Valderrabano M, Lee M-H, Ohara T, et al ART
Yr: 2001 Vol: 88 Nbr: Abs: Pg: 839-848

Mechanisms of ventricular defibrillation in isolated swine right ventricles
Periodical: Circulation Index Medicus:
Authors: Wang NC, Lee M-H, Ohara, Voroshilovski, Karagueuzian HS ART
Yr: 2001 Vol: 104 Nbr: Abs: Pg: 227-233

Modulation of QT interval by cardiac sympathetic nerve sprouting and the mechanisms of ventricular arrhythmia in a canine model of sudden cardiac death
Periodical: Journal of Cardiovascular Electrophysiology Index Medicus:
Authors: Zhou S, Cao J-M, Tebb ZD, et al ART
Yr: 2001 Vol: Nbr: Abs: Pg:

Altered atrial electrical restitution and sympathetic hyperinnervation in hearts with chronic left ventricular myocardial infarction. Implications for atrial fibrillation.
Periodical: Circulation Index Medicus:
Authors: Miyauchi Y, Ohara K, Ohara T, Fishbein MC, Zhou S, Lee MH, Mandel WJ, Chen P-S, Karaguezia ART
Yr: 2003 Vol: 108 Nbr: Abs: Pg: 360-366

Age-related sensitivity to nicotine for inducible atrial tachycardia and atrial fibrillation.
Periodical: American Journal of Physiology, Heart and Circulatory Physiology Index Medicus:
Authors: Hayashi H, Omichi C, Miyauchi Y, Mandel WJ, Lin S-F, Chen P-S, Karagueuzian HS ART
Yr: 2003 Vol: 284 Nbr: Abs: Pg: H249-255

The mechanism of the probabilistic nature of ventricular defibrillation threshold.
Periodical: American Journal of Physiology Index Medicus:
Authors: Yashima M, Miyauchi Y, Cao J-M, Kim Y-H, Mandel WJ, Chen P-S, Karagueuzian HS ART
Yr: 2003 Vol: 284 Nbr: Abs: Pg: H249-255

Electrical current-induced atrial and pulmonary vein action potential duration shortening and repetitive activity.
Periodical: American Journal of Physiology, Heart and Circulatory Physiology Index Medicus:
Authors: Miyauchi Y, Fishbein MC, Karagueuzian HS ART
Yr: 0 Vol: Nbr: Abs: Pg:

Thoracic vein ablation terminates chronic atrial fibrillation in dogs.
Periodical: American Journal of Physiology, Heart and Circulatory Physiology Index Medicus:
Authors: Park A, Chou CC, Drury PC, Okuyama Y, Peter A, Hamabe A, Miyauchi Y, Karagueuzian HS et al ART
Yr: 0 Vol: Nbr: Abs: Pg:

Intracellular calcium dynamics in ventricular fibrillation.
Periodical: American Journal of Physiology Index Medicus:
Authors: Omichi C, Lamp ST, Lin S-F, Yang J, Baher A, Zhou SM, Attin M, Karagueuzian HS, et al. ART
Yr: 0 Vol: Nbr: Abs: Pg: