VickenRVorperianMDFACC FACP

Cardiology • Waukesha, WI

Cardiac Electrophysiology

Electrophysiology Attending

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Office
725 American Ave
UW Heart and Vascular at ProHealth Care
Waukesha, WI 53188
Phone+1 262-928-2680

Fax+1 262-928-2689

Summary

EP attending

Education & Training

University of MichiganFellowship, Clinical Cardiac Electrophysiology, 1992 - 1993
Vanderbilt University Medical CenterFellowship, Clinical Cardiac Electrophysiology, 1990 - 1992
Brooklyn Hospital CenterFellowship, Cardiovascular Disease, 1988 - 1990
Sinai Hospital of BaltimoreResidency, Internal Medicine, 1985 - 1988
American University of Beirut Faculty of MedicineClass of 1985

Certifications & Licensure

WI State Medical License 1993 - 2025
MI State Medical License 1992 - 1993
MD State Medical License 1986 - 1989
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Cardiac Electrophysiology
American Board of Internal Medicine Cardiovascular Disease
American Board of Internal Medicine Clinical Cardiac Electrophysiology

Awards, Honors, & Recognition

Fellow (FACC) American College of Cardiology, 1994
CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013
Fellow (FACP) American College of Physicians, 1999
NASPE Searl travel award for Electrophysiology Fellows for the highest graded abstracts 1992
Abstract: Vorperian VR, Wisialowski T, Roden DM: Hypercapnic Acidemia Selectively Depresses Transverse Propagation in the Canine Ventricle*. (*Recipient of the NASPE Searl travel award for Electrophysiology Fellows for the highest graded abstracts in NASPE, 1992
Chemistry National Honor Society Phi Lambda Epsilon, 1977
Phi Lambda Upsilon, Honorary Chemical Society University of Michigan, 1977
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Clinical Trials

Efficacy and Safety of Azimilide for the Treatment of Patients With Atrial Fibrillation Start of enrollment: 2000 Sep 01
Completed
Phase 3
Catheter Ablation vs Anti-arrhythmic Drug Therapy for Atrial Fibrillation Trial Start of enrollment: 2009 Nov 13
Completed
Not Applicable
Outcomes Registry for Better Informed Treatment of Atrial Fibrillation (ORBIT-AF) Start of enrollment: 2010 Jun 01
Completed
Ranolazine Implantable Cardioverter-Defibrillator Trial Start of enrollment: 2011 Sep 01
Completed
Phase 3
Outcomes Registry for Better Informed Treatment of Atrial Fibrillation II (ORBIT-AF II) Start of enrollment: 2013 Feb 20
Completed
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Publications & Presentations

PubMed

27 citations
Lesion size estimator of cardiac radiofrequency ablation at different common locations with different tip temperatures
Yu-Chi Lai, Young Bin Choy, Dieter Haemmerich, V.R. Vorperian, J.G. Webster
IEEE Transactions on Bio-Medical Engineering. 2004-09-27
4 citations
In vitro measurement of myocardial impedivity anisotropy with a miniature rectangular tube
Jang-Zern Tsai, James A. Will, V.R. Vorperian, S.H.-V. Stelle, Hong Cao
IEEE Transactions on Bio-Medical Engineering. 2003-04-15
1 citations
Noncontact radio-frequency ablation for obtaining deeper lesions
Jie Zhang, Jang-Zern Tsai, Hong Cao, Yi Chen, James A. Will
IEEE Transactions on Bio-Medical Engineering. 2003-03-10

Journal Articles

Adverse effects with low-dose amiodarone - a meta-analysis .
Vorperian VR, Havighurst TC, Miller S, January CT, J Am Coll Cardiol
Noncontact radio-frequency ablation for obtaining deeper lesions.
Zhang J, Tsai JZ, Cao H, Chen Y, Will JA, Vorperian VR, Webster JG, IEEE Trans Biomed Eng., 1/1/2003
n vitro measurement of myocardial impedivity anisotropy with a miniature rectangular tube.
Tsai JZ, Will JA, Vorperian VR, Hubbard-van Stelle S, Cao H, Tungjitkusolmun S, Choy YB, Webster JG, IEEE Trans Biomed Eng., 1/1/2003
Error analysis of tissue resistivity measurement.
Tsai JZ, Will JA, Hubbard-Van Stelle S, Cao H, Tungjitkusolmun S, Choy YB, Haemmerich D, Vorperian VR, Webster JG, IEEE Trans Biomed Eng., 1/1/2002
FEM analysis of predicting electrode-myocardium contact from RF cardiac catheter ablation system impedance.
Cao H, Speidel MA, Tsai JZ, Van Lysel MS, Vorperian VR, Webster JG, IEEE Trans Biomed Eng, 1/1/2002
Mechanical compliance of the endocardium.
Bin Choy Y, Cao H, Tungjitkusolmun S, Tsai JZ, Haemmerich D, Vorperian VR, Webster JG, J Biomech., 1/1/2002
In-vivo measurement of swine myocardial resistivity.
Tsai JZ, Will JA, Hubbard-Van Stelle S, Cao H, Tungjitkusolmun S, Choy YB, Haemmerich D, Vorperian VR, Webster JG, IEEE Trans Biomed Eng, 1/1/2002
Using electrical impedance to predict catheter-endocardial contact during RF cardiac ablation
Cao H, Tungjitkusolmun S, Choy YB, Tsai JZ, Vorperian VR, Webster JG, IEEE Trans Biomed Eng, 1/1/2002
Modeling bipolar phase-shifted multielectrode catheter ablation
Tungjitkusolmun S, Cao H, Haemmerich D, Tsai JZ, Choy YB, Vorperian VR, Webster JG, IEEE Trans Biomed Eng, 1/1/2002
Flow Effect on Lesion Formation in RF Cardiac Catheter Ablation.
Cao H, Vorperian VR, Tungjitkusolmun S, Tsai JZ, Webster JG, IEEE Trans Biomed Eng, 1/1/2001
Guidelines for predicting lesion size at different endocardial ablation sites.
Tungjitkusolmun S, Vorperian VR, Bhavaraju N, Cao H, Tsai JZ, Webster JG, IEEE Trans Biomed Eng, 1/1/2001
Thermal-electrical finite element modeling for radiofrequency catheter ablation: effects of changes in myocardial properties
Tungjitkusolmun S, Woo EJ, Cao H, Tsai JZ, Vorperian VR, Webster JG, Medical and Biological Engineering and Computing, 1/1/2000
A new catheter design using a needle electrode for subendocardial RF ablation of ventricular myocardium: finite element analysis and in-vitro experiments.
Woo EJ, ungjitkusolmun S, Cao H, Tsai JZ, Webster JG, Vorperian VR, Will JA, IEEE Trans Biomed Eng, 1/1/2000
Finite element analyses of uniform current density electrodes for radiofrequency cardiac ablation.
Tungjitkusolmun S, Woo EJ, Cao H, Tsai JZ, Vorperian VR, Webster JG, IEEE Trans Biomed Eng, 1/1/2000
Dependence of apparent resistance of four-electrode probes on insertion depth.
Tsai JZ, Tungjitkusolmun S, Woo EJ, Cao H, Vorperian VR, Webster JG, IEEE Trans Biomed Eng, 1/1/2000
Block of herg potassium channels by the antihistamine astemizole and its metabolites desmethylastemizole and norastemizole.
Zhou Z, Vorperian VR, Gong Q , Zhang S , January CT, J Cardiovasc Electrophysiology, 1/1/1999
Replacing abdominally implanted defibrillators: effect of procedure setting on cost.
Vorperian VR, Lawrence S, Chlebowski K, Pacing & Clin Electrophysiol, 1/1/1999
Diagnosing Syncope. Part 2:Unexplained Syncope.
Linzer M, Yang EH, Estes NAM, Wang P, Vorperian VR, Kapoor WN, Ann Intern Med, 1/1/1997
Diagnosing syncope. Part 1: value of history, physical examination, and electrocardiography.
Linzer M, Yang EH, Estes NAM, Wang P, Vorperian VR, Kapoor WN, Ann Intern Med, 1/1/1997
The effect of electrophysiologic properties and location of manifest accessory pathways on local electrogram intervals at effective radiofrequency ablation sites.
Vorperian VR, Langberg JJ, Strickberger SA, Morady F, Am Heart Journal, 1/1/1997
Adverse effects with low-dose amiodarone - a meta-analysis .
Vorperian VR, Havighurst TC, Miller S, January CT, J Am Coll Cardiol, 1/1/1997
Torsades de Pointes with an antihistamine metabolite: Potassium Channel Block with Desmethylastemizole.
Vorperian VR, Zhou Z, Mohammad S, Hoon TJ, Studenik C, January CT, J Am Coll Cardiol, 1/1/1996
Effect of accessory pathway location on the efficiency of heating during radiofrequency catheter ablation.
Strickberger SA, Hummel J, Gallagher M, Hasse C, Man KC, Vorperian VR, Kalbfleisch SJ, Morady F, Langberg JJ, American Heart Journal, 1/1/1995
A randomized, double-blind, placebo-controlled, dose-ranging study of Dofetilide in patients with inducible sustained ventricular tachyarrhythmias.
Echt DS, Lee JT, Murray KT, Vorperian V, Borganelli SM, Crawford DM, Roden DM, Journal of Cardiovascular Electrophysiology, 1/1/1995
Effect of hypercapnic acidemia on anisotropic propagation in the canine ventricle.
Vorperian VR, Wisialowski TA, Deegan R, Roden DM, Circulation, 1/1/1994
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Abstracts/Posters

Time dependent changes in the appearance of RF ablation lesions on MRI.
Taylor M, Vorperian VR, Vanlysel M, Warner, TF, Whitesell L , Webster JG, Grist T, Circulation, 11/1/2002
Error Analysis of Tissue Resistivity Measurement
Tsai JZ, Cao H, Tungjitkusolmun S, Haemmerich D, Vorperian VR, Webster, JG, World Congress on Medical Physics and Biomedical Engineering, 7/1/2000
Flow Effect on Lesion Formation in Cardiac RF Catheter Ablation
Cao H, Vorperian VR, Tungjitkusolmun S, Tsai JZ, Haemmerich D, Choy JB, Webster JG, World Congress on Medical Physics and Biomedical Engineering, 7/1/2000
Magnetic resonance imaging of acute radiofrequency ablation lesions.
Vorperian VR, Grist T, Dedrick D, Whitesell L, Tungjitkusolmun S, Woo EJ, Webster JG, PACE, 1/1/2000
Needle Electrode Design for RF Ablation of Ventricular Myocardium.
Woo EJ, Tungjitkusolmun S, Cao H, Tsai JZ, Vorperian VR, Webster JG, PACE, 1/1/1999
Noncontact RF Ablation Creates Larger Myocardial Lesions
Tsai JZ, Tungjitkusolmun S, Vorperian VR, Panescu D, Cao H, Woo EJ, Webster JG, PACE, 1/1/1999
Is the Relationship Between Electrocardiographic Indices of Repolarization and Inducibility of Ventricular Arrhythmias Affected by History of past MI?
Smalley S, Havighurst TC, Makielski JC, January CT, Vorperian VR, PACE, 1/1/1998
Incidence of Adverse Effects with Low Dose Amiodarone Therapy.
Miller S, Havighurst TC, January CT, Vorperian VR, PACE, 1/1/1996
A Prospective Randomized Study of Anatomic vs Electrogram Mapping Approach for Ablation of the Slow Pathway of AV Nodal Reentrant Tachycardia.
Kalbfleisch SJ, Hummel JD, Williamson B, Man CK, Vorperian VR, Langberg JJ, Morady F, PACE, 1/1/1993
The Effect of Accessory Pathw3ay Location on an Efficiency of Heating During Radiofrequency Catheter Ablation.
Strickberger SA, Hummel JD, Gallagher MA, Hasse CS, Man KC, Williamson BD, Vorperian VR, Kalbfleisch SJ, Morady F, Langberg JJ, Circulation, 1/1/1993
A Randomized Comparison of Impedance and Temperature Monitoring During Accessory Pathway Ablation.
Strickberger SA, Hummel JD, Vorperian VR, Williamson BD, Man KC, Gallagher MA, Hasse CS, Kalbfleisch SJ, Morady F, Langberg JJ, Circulation, 1/1/1993
A Prospective Randomized Controlled Trial of High Dose Versus Conventional Dose Amiodarone for the Treatment of Ventricular Tachycardia.
Kalbfleisch SJ, Hummel JD, Williamson B, Man C, Vorperian V, Langberg JJ, Morady F, PACE, 1/1/1993
Efficiency of Programmed Ventricular Stimulation With 4 Extrastimuli Compared to 1, 2 and 3 Extrastimuli.
Hummel JD, Williamson B, Man C, Vorperian VR, Kalbfleisch SJ, Strickberger SA, Langberg JJ, Morady F, PACE, 1/1/1993
A Prospective Randomized Comparison of Right vs. Left-Sided Radiofrequency Ablation of the Atrioventricular Junction.
Kalbfleisch SJ, Hummel JD, Man C, Williamson B, Vorperian V, Langberg JJ, Morady F, PACE, 1/1/1993
Hypercapnic Acidemia Selectively Depresses Transverse Propagation in the Canine Ventricle.
Vorperian VR, Wisialowski T, Roden DM, PACE, 1/1/1992
A Randomized, Double-Blind, Placebo-Controlled Dose-Ranging Study of Intravenous UK 68,798 (Dofetilide) in Patients with Inducible Sustained Ventricular Tachyarrhythmias.
Echt DS, Lee JT, Murray KT, Vorperian VR, Borganelli M, Crawford D, Roden DM, Circulation, 1/1/1991
Multivariate Analysis of the Determinants of Inducibility and Duration of Experimental Atrial Fibrillation.
Friedman HS, Dominguez A, Dalloul E, Mehta A, Vorperian VR, Clinical Research, 1/1/1991
Doppler-Echocardiographic Determinants of Cardiovascular Events in Nonrheumatic Atrial Fibrillation: A Multivariate Analysis.
Dominguez A, Friedman HS, Nguyen T, Vasavada BC, Vorperian VR, Clinical Research, 1/1/1990
Blood and Urinary Electrolytes in Preeclampsia.
Vorperian VR, Friedman HS, Babb B, Farrer S, Tricomi V, Clinical Research, 1/1/1990
Theophylline Produces Myocardial Ischemia At A Therapeutic Blood Concentration, An Effect Blocked By Verapamil
Bittar G, Friedman HS, Dominguez A, Vorperian VR, Chest, 1/1/1989
Cardiac Electrophysiological Effects of Theophylline: Influence of Autonomic And Calcium Channel Blockade.
Bittar G, Friedman HS, Nguyen T, Vorperian VR, Dominguez A, Clinical Research, 1/1/1989
Flow Effect on Lesion Formation in Cardiac RF Catheter Ablation.
Cao H, Vorperian VR, Tungjitkusolmun S, Tsai JZ, Haemmerich D, Choy JB, Webster JG, World Congress on Medical Physics and Biomedical Engineering
Time dependent changes in the appearance of RF ablation lesions on MRI.
Taylor M, Vorperian VR, Vanlysel M, Warner, TF, Whitesell L , Webster JG, Grist T, Circulation
Error Analysis of Tissue Resistivity Measurement.
Tsai JZ, Cao H, Tungjitkusolmun S, Haemmerich D, Vorperian VR, Webster, JG, World Congress on Medical Physics and Biomedical Engineering
A Prospective Randomized Controlled Trial of High Dose Versus Conventional Dose Amiodarone for the Treatment of Ventricular Tachycardia.
Kalbfleisch SJ, Hummel JD, Williamson B, Man C, Vorperian V, Langberg JJ, Morady F, PACE
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