Research Topics
Genomes and GenesSpecies | Zian H TsengSummaryAffiliation: University of California Country: USA Publications
Research Grants
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Detail Information
Publications
Famotidine and long QT syndromeKen W Lee
Division of Cardiology, Cardiac Electrophysiology Section, University of California at San Francisco, 500 Parnassus Avenue, MU East 4, Box 1354, San Francisco, CA 94143, USA
Am J Cardiol 93:1325-7. 2004..However, the association of famotidine and acquired long QT syndrome has rarely been reported. We report 2 cases of famotidine-associated acquired long QT syndrome...
Sudden cardiac death in patients with human immunodeficiency virus infectionZian H Tseng
Section of Cardiac Electrophysiology, Division of Cardiology, University of California San Francisco, San Francisco, CA 94313, USA
J Am Coll Cardiol 59:1891-6. 2012..The aim of this study was to determine the incidence and clinical characteristics of sudden cardiac death (SCD) in patients with human immunodeficiency virus (HIV) infection...
Association of TGFBR2 polymorphism with risk of sudden cardiac arrest in patients with coronary artery diseaseZian H Tseng
Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco, California 94143 1354, USA
Heart Rhythm 6:1745-50. 2009..Common single nucleotide polymorphisms (SNPs) in TGFss pathway genes may be associated with SCA...
Common beta-adrenergic receptor polymorphisms are not associated with risk of sudden cardiac death in patients with coronary artery diseaseZian H Tseng
Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco, USA
Heart Rhythm 5:814-21. 2008....
Impact of advanced age on survival in patients with implantable cardioverter defibrillatorsCara N Pellegrini
Department of Medicine, Division of Cardiology, Section of Cardiac Electrophysiology, University of California, San Francisco, CA, USA
Europace 10:1296-301. 2008..The purpose of our study is to understand the influence of age on mortality after ICD implantation...
Intracardiac and extracardiac markers of inflammation during atrial fibrillationGregory M Marcus
Division of Cardiology, University of California, San Francisco, CA, USA
Heart Rhythm 7:149-54. 2010....
Alcohol intake is significantly associated with atrial flutter in patients under 60 years of age and a shorter right atrial effective refractory periodGregory M Marcus
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California, USA
Pacing Clin Electrophysiol 31:266-72. 2008..Although evidence suggests that alcohol is associated with atrial fibrillation (AF), the association between alcohol and atrial flutter (AFL) has not been examined. The mechanism connecting alcohol and atrial arrhythmias is unknown...
Test characteristics of neck fullness and witnessed neck pulsations in the diagnosis of typical AV nodal reentrant tachycardiaRahul Sakhuja
Division of Cardiology, Massachusetts General Hospital, Boston, Massachusetts, USA
Clin Cardiol 32:E13-8. 2009..Claims in the medical literature suggest that neck fullness and witnessed neck pulsations are useful in the diagnosis of typical AV nodal reentrant tachycardia (AVNRT)...
Differences in accessory pathway location by sex and raceJonathan C Hsu
University of California, San Francisco, CA, USA
Heart Rhythm 7:52-6. 2010..The etiology of accessory pathway (AP) formation is generally unknown...
Protracted CRP elevation after atrial fibrillation ablationJames M McCabe
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
Pacing Clin Electrophysiol 31:1146-51. 2008..We hypothesized that this early recurrence is due to an inflammatory response to the ablation itself. We therefore sought to evaluate levels of CRP after AF ablation...
Alcohol and vagal tone as triggers for paroxysmal atrial fibrillationMala C Mandyam
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, CA, USA
Am J Cardiol 110:364-8. 2012..Alcohol and vagal triggers often were found in the same patients with PAF, raising the possibility that alcohol may precipitate AF by vagal mechanisms...
A first-degree family history in lone atrial fibrillation patientsGregory M Marcus
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
Heart Rhythm 5:826-30. 2008..A family history of AF in lone AF patients has not previously been compared with a family history of patients with AF and established risk factors (non-lone AF)...
Rates and severity of perforation from implantable cardioverter-defibrillator leads: a 4-year studyMintu Turakhia
Electrophysiology Section, Division of Cardiology, Department of Medicine, University of California, Palo Alto VA Medical Center, 3801 Miranda Ave, Cardiology E2 426, Palo Alto, CA 94304 5588, USA
J Interv Card Electrophysiol 24:47-52. 2009..Although recent case reports and one small single-year observational study report a substantially increased rate of perforation with the St. Jude Riata series defibrillator lead, these results have not been externally validated...
Predictors of unusual ECG characteristics in cavotricuspid isthmus-dependent atrial flutter ablationKurt S Hoffmayer
San Francisco, California San Diego, CA 94143 1354, USA
Pacing Clin Electrophysiol 34:1251-7. 2011..Objective:  Using baseline patient characteristics and echocardiography, we sought to study predictors of unusual electrocardiogram (ECG) characteristics in patients with CTI-dependent atrial flutter...
Impact of remote magnetic catheter navigation on ablation fluoroscopy and procedure timeAlbert M Kim
University of California, San Francisco, California, USA
Pacing Clin Electrophysiol 31:1399-404. 2008..Remote magnetic catheter navigation (RCN) is gaining acceptance in clinical cardiac electrophysiology, but details regarding how RCN affects procedure execution are not well characterized...
Predictors of axillary vein location for vascular access during pacemaker and defibrillator lead implantationJonathan C Hsu
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
Pacing Clin Electrophysiol 34:1585-92. 2011..We sought to describe variation in axillary vein location and identify predictors of a more cranial or caudal radiographic location to facilitate blind venous cannulation...
Prospective observations in the clinical and electrophysiological characteristics of intra-isthmus reentryYanfei Yang
University of California San Francisco, San Francisco, California 94143 1354, USA
J Cardiovasc Electrophysiol 21:1099-106. 2010..Intra-isthmus reentry (IIR) is a circuit within the cavotricuspid isthmus (CTI). The purpose of this study is to prospectively define the electrogram and surface ECG characteristics of IIR, and its clinical implications...
Predictors of fluoroscopy time and procedural failure during biventricular device implantationJonathan C Hsu
Division of Cardiology, Electrophysiology Section, University of California San Francisco, CA, USA
Am J Cardiol 110:240-5. 2012..2 to 352.6, p = 0.003). In conclusion, 6 patient and operator characteristics predicted LV lead implantation difficulty measured by fluoroscopy time. LV lead implantation failed in 8% of cases, predicted only by a previous failed attempt...
GWAS for discovery and replication of genetic loci associated with sudden cardiac arrest in patients with coronary artery diseaseBradley E Aouizerat
Department of Physiological Nursing, Institute for Human Genetics, University of California, San Francisco, 94143, USA
BMC Cardiovasc Disord 11:29. 2011..We sought to identify novel gene associations for sudden cardiac arrest in patients with coronary artery disease by performing a genome-wide association study...
Diagnosis and ablation of multiform fascicular tachycardiaRaphael K Sung
Electrophysiology Section, Division of Cardiology, Department of Medicine, University of Colorado, Denver, Colorado 80045, USA
J Cardiovasc Electrophysiol 24:297-304. 2013..Fascicular tachycardia (FT) is an uncommon cause of monomorphic sustained ventricular tachycardia (VT). We describe 6 cases of FT with multiform QRS morphologies...
Kidney dysfunction and sudden cardiac death among women with coronary heart diseaseRajat Deo
Division of Cardiology, Johns Hopkins Hospital, Baltimore, MD, USA
Hypertension 51:1578-82. 2008..Advanced kidney dysfunction is an independent predictor of sudden cardiac death among women with coronary heart disease...
Threentry: what is the mechanism?Gregory M Marcus
Division of Cardiology, Section of Electrophysiology, University of California, San Francisco, 94143, USA
Heart Rhythm 3:746-7. 2006
Three leads via the coronary sinusGregory M Marcus
Division of Cardiology, Section of Electrophysiology, University of California, 94143, USA
Heart Rhythm 3:985-6. 2006
Repeat transseptal catheterization after ablation for atrial fibrillationGregory M Marcus
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California 94143 1354, USA
J Cardiovasc Electrophysiol 18:55-9. 2007..The aim of this study was to determine the difficulty and/or success rates of repeat transseptal catheterization after left atrial ablation for AF...
Plasma BIN1 correlates with heart failure and predicts arrhythmia in patients with arrhythmogenic right ventricular cardiomyopathyTing Ting Hong
Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA 94158, USA
Heart Rhythm 9:961-7. 2012..We hypothesized that BIN1 could be released into the circulation and that blood-available BIN1 can provide useful data on the cardiac status of patients whose hearts are failing secondary to ARVC...
Markers of inflammation before and after curative ablation of atrial flutterGregory M Marcus
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California 94143 1354, USA
Heart Rhythm 5:215-21. 2008..Atrial arrhythmias are associated with inflammation. The cause and effect of the association are unknown...
Relation of Taser (electrical stun gun) deployment to increase in in-custody sudden deathsByron K Lee
Section of Cardiac Electrophysiology, Division of Cardiology, University of California San Francisco, School of Medicine, San Francisco, CA, USA
Am J Cardiol 103:877-80. 2009....
Catecholamine dependent accessory pathway automaticityZian H Tseng
Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco School of Medicine, San Francisco, California, USA
Pacing Clin Electrophysiol 27:1005-7. 2004..This automatic rhythm was transient and dependent on catecholamine administration. One month after successful ablation, an exercise treadmill test (ETT) did not demonstrate any pre-excitation or ectopy...
Funding source and author affiliation in TASER research are strongly associated with a conclusion of device safetyPeyman N Azadani
University of California, San Francisco, School of Medicine, San Francisco, CA 94143, USA
Am Heart J 162:533-7. 2011..Much of the research on TASERs is funded by the maker of the device and, therefore, could be biased. We sought to determine if funding source or author affiliation is associated with TASER research conclusions...
Regional left atrial voltage in patients with atrial fibrillationGregory M Marcus
Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California 94143 1354, USA
Heart Rhythm 4:138-44. 2007..Regional differences in fibrosis, particularly related to the posterior wall and septum, may be important in atrial fibrillation (AF). Using electroanatomic mapping, voltage can be used as a measure of fibrosis...
Characteristics of sudden arrhythmic death in a diverse, urban communityDaniel A Steinhaus
Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, USA
Am Heart J 163:125-31. 2012..We aimed to examine the contemporary epidemiology and autopsy characteristics of SCD in an ethnically diverse community...
Unusual atrial-paced tachycardia after pacemaker implantation: what is the mechanism?Mohan N Viswanathan
Division of Cardiology, Cardiac Electrophysiology and Arrhythmia Service, University of California, San Francisco, San Francisco, California 94143, USA
Heart Rhythm 4:800-2. 2007
Sudden cardiac death: epidemiology, mechanisms, and therapyMintu Turakhia
University of California, San Francisco, USA
Curr Probl Cardiol 32:501-46. 2007..This review discusses the epidemiology, mechanisms, etiologies, therapies, treatment guidelines, and future directions in the management of sudden cardiac death...
Impact of renal function on survival in patients with implantable cardioverter-defibrillatorsMintu P Turakhia
Cardiac Electrophysiology, Department of Medicine, University of California, San Francisco, California 94143 1354, USA
Pacing Clin Electrophysiol 30:377-84. 2007....
Research Grants
- Comprehensive autopsy characterization of sudden cardiac deathZian H Tseng; Fiscal Year: 2010....
