Rupa Bala

Summary

Affiliation: University of Pennsylvania
Country: USA

Publications

  1. ncbi Assessing epicardial substrate using intracardiac echocardiography during VT ablation
    Rupa Bala
    Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
    Circ Arrhythm Electrophysiol 4:667-73. 2011
  2. ncbi New endpoint for ablation of ventricular tachycardia: change in QRS morphology with pacing at protected isthmus as index of isthmus block
    Rupa Bala
    Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Cardiovasc Electrophysiol 21:320-4. 2010
  3. ncbi Reversal of outflow tract ventricular premature depolarization-induced cardiomyopathy with ablation: effect of residual arrhythmia burden and preexisting cardiomyopathy on outcome
    Stavros E Mountantonakis
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 8:1608-14. 2011
  4. ncbi Lack of uniform progression of endocardial scar in patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy and ventricular tachycardia
    Michael P Riley
    Section of Cardiac Electrophysiology, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, 3400 Spruce St, Philadelphia, PA 19104, USA
    Circ Arrhythm Electrophysiol 3:332-8. 2010
  5. ncbi Endocardial unipolar voltage mapping to detect epicardial ventricular tachycardia substrate in patients with nonischemic left ventricular cardiomyopathy
    Mathew D Hutchinson
    Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
    Circ Arrhythm Electrophysiol 4:49-55. 2011
  6. ncbi Electroanatomic substrate and ablation outcome for suspected epicardial ventricular tachycardia in left ventricular nonischemic cardiomyopathy
    Oscar Cano
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    J Am Coll Cardiol 54:799-808. 2009
  7. ncbi Effect of pulmonary vein isolation on the distribution of complex fractionated electrograms in humans
    Jean Francois Roux
    Section of Cardiovascular Electrophysiology, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 6:156-60. 2009
  8. ncbi Long-term outcome after successful catheter ablation of atrial fibrillation
    Wendy S Tzou
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    Circ Arrhythm Electrophysiol 3:237-42. 2010
  9. ncbi Sinus rhythm ECG criteria associated with basal-lateral ventricular tachycardia substrate in patients with nonischemic cardiomyopathy
    Wendy S Tzou
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    J Cardiovasc Electrophysiol 22:1351-8. 2011
  10. ncbi Characterization of the phrenic nerve course within the epicardial substrate of patients with nonischemic cardiomyopathy and ventricular tachycardia
    Roger Fan
    Department of Medicine, Cardiovascular Division, Electrophysiology Section, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    Heart Rhythm 6:59-64. 2009

Detail Information

Publications28

  1. ncbi Assessing epicardial substrate using intracardiac echocardiography during VT ablation
    Rupa Bala
    Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
    Circ Arrhythm Electrophysiol 4:667-73. 2011
    ..The purpose of this study was to assess whether ICE could identify abnormal epicardial substrate in patients with nonischemic cardiomyopathy (NICM) and VT...
  2. ncbi New endpoint for ablation of ventricular tachycardia: change in QRS morphology with pacing at protected isthmus as index of isthmus block
    Rupa Bala
    Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Cardiovasc Electrophysiol 21:320-4. 2010
    ..Endpoints confirming block in the critical isthmus in sinus rhythm and with pace mapping have not been established...
  3. ncbi Reversal of outflow tract ventricular premature depolarization-induced cardiomyopathy with ablation: effect of residual arrhythmia burden and preexisting cardiomyopathy on outcome
    Stavros E Mountantonakis
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 8:1608-14. 2011
    ..Limited data exist regarding the outcome after ablation of outflow tract VPDs from the LV and the impact of residual VPDs or preexisting LVCM prior to the diagnosis of VPDs on recovery of LV function...
  4. ncbi Lack of uniform progression of endocardial scar in patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy and ventricular tachycardia
    Michael P Riley
    Section of Cardiac Electrophysiology, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, 3400 Spruce St, Philadelphia, PA 19104, USA
    Circ Arrhythm Electrophysiol 3:332-8. 2010
    ..Many clinical decisions and treatment plans are guided by this pathophysiologic assumption, but the extent of progression of macroscopic endocardial scar and right ventricular (RV) dilatation have not been assessed...
  5. ncbi Endocardial unipolar voltage mapping to detect epicardial ventricular tachycardia substrate in patients with nonischemic left ventricular cardiomyopathy
    Mathew D Hutchinson
    Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
    Circ Arrhythm Electrophysiol 4:49-55. 2011
    ..The purpose of this study was to determine whether ENDO unipolar (UNI) mapping with a larger electric field of view could identify EPI low bipolar (BIP) voltage regions in patients with LVCM undergoing Vt ablation...
  6. ncbi Electroanatomic substrate and ablation outcome for suspected epicardial ventricular tachycardia in left ventricular nonischemic cardiomyopathy
    Oscar Cano
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    J Am Coll Cardiol 54:799-808. 2009
    ..The aim of the study was to define the epicardial substrate and ablation outcome in patients with left ventricular nonischemic cardiomyopathy (NICM) and suspected epicardial ventricular tachycardia (VT)...
  7. ncbi Effect of pulmonary vein isolation on the distribution of complex fractionated electrograms in humans
    Jean Francois Roux
    Section of Cardiovascular Electrophysiology, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 6:156-60. 2009
    ..However, it is unclear whether CFEs should be targeted before or after PVI...
  8. ncbi Long-term outcome after successful catheter ablation of atrial fibrillation
    Wendy S Tzou
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    Circ Arrhythm Electrophysiol 3:237-42. 2010
    ..We determined 5-year outcomes of PVI among patients with freedom from AF off antiarrhythmic drugs (AAD) for 1 year after PVI...
  9. ncbi Sinus rhythm ECG criteria associated with basal-lateral ventricular tachycardia substrate in patients with nonischemic cardiomyopathy
    Wendy S Tzou
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    J Cardiovasc Electrophysiol 22:1351-8. 2011
    ..We sought to determine electrocardiogram (ECG) characteristics that may help identify NICM patients with basal-lateral scar and VT...
  10. ncbi Characterization of the phrenic nerve course within the epicardial substrate of patients with nonischemic cardiomyopathy and ventricular tachycardia
    Roger Fan
    Department of Medicine, Cardiovascular Division, Electrophysiology Section, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    Heart Rhythm 6:59-64. 2009
    ..The course of the left phrenic nerve in this region may pose a challenge to successful and safe ablation...
  11. ncbi Antiarrhythmics after ablation of atrial fibrillation (5A Study): six-month follow-up study
    Peter Leong-Sit
    Cardiac Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    Circ Arrhythm Electrophysiol 4:11-4. 2011
    ..Whether early rhythm suppression decreases longer-term arrhythmia recurrence is unknown. We now report the 6-month follow-up data from this study...
  12. ncbi Idiopathic right ventricular arrhythmias not arising from the outflow tract: prevalence, electrocardiographic characteristics, and outcome of catheter ablation
    Hugo Van Herendael
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 8:511-8. 2011
    ..Most idiopathic right ventricular (RV) ventricular tachycardias (VTs) originate from the outflow tract. Data on VT from the lower body of the RV are limited...
  13. ncbi Surgical ablation of refractory ventricular tachycardia in patients with nonischemic cardiomyopathy
    Elad Anter
    Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    Circ Arrhythm Electrophysiol 4:494-500. 2011
    ..The purpose of this study was to evaluate the efficacy of preoperative electroanatomic and electrophysiological characterization of the VT substrate and circuit to guide surgical ablation...
  14. ncbi Surface electrocardiogram characteristics of atrial tachycardias occurring after pulmonary vein isolation
    Edward P Gerstenfeld
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, University of Pennsylvania Health System, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 4:1136-43. 2007
    ..The purpose of this study was to describe the surface electrocardiogram (ECG) morphology of common atrial tachycardias (ATs) that occur after pulmonary vein (PV) isolation...
  15. ncbi Antiarrhythmics After Ablation of Atrial Fibrillation (5A Study)
    Jean Francois Roux
    Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
    Circulation 120:1036-40. 2009
    ..Atrial arrhythmias are common early after atrial fibrillation (AF) ablation. We hypothesized that empirical antiarrhythmic drug (AAD) therapy for 6 weeks after AF ablation would reduce the occurrence of atrial arrhythmias...
  16. ncbi Feasibility of catheter ablation of mitral annular flutter in patients with prior mitral valve surgery
    Stavros Mountantonakis
    Section of Cardiac Electrophysiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    Heart Rhythm 8:809-14. 2011
    ..Percutaneous catheter ablation may be challenging owing to the presence of surgical scar and a prosthetic MV...
  17. ncbi Electrocardiographic and electrophysiologic features of ventricular arrhythmias originating from the right/left coronary cusp commissure
    Rupa Bala
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    Heart Rhythm 7:312-22. 2010
    ..Ventricular arrhythmias are known to originate from the aortic sinus of Valsalva...
  18. ncbi Localization of atrial fibrillation triggers in patients undergoing pulmonary vein isolation: importance of the carina region
    Ermengol Valles
    Department of Medicine, Cardiovascular Division, Electrophysiology Section, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
    J Am Coll Cardiol 52:1413-20. 2008
    ..This study sought to identify the origin within the pulmonary vein (PV) of reproducible atrial fibrillation (AF) triggers...
  19. ncbi Long-term clinical efficacy and risk of catheter ablation for atrial fibrillation in the elderly
    Erica Zado
    Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    J Cardiovasc Electrophysiol 19:621-6. 2008
    ..The number of elderly patients with atrial fibrillation (AF) is increasing rapidly, and the safety and efficacy of catheter ablation in this demographic group has not been established...
  20. ncbi Site-specific twelve-lead ECG features to identify an epicardial origin for left ventricular tachycardia in the absence of myocardial infarction
    Victor Bazan
    Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    Heart Rhythm 4:1403-10. 2007
    ..Reported criteria, although helpful, may not apply uniformly to all LV regions...
  21. ncbi Isolated septal substrate for ventricular tachycardia in nonischemic dilated cardiomyopathy: incidence, characterization, and implications
    Haris M Haqqani
    Section of Cardiac Electrophysiology, Cardiovascular Division, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    Heart Rhythm 8:1169-76. 2011
    ..The substrate for ventricular tachycardia (VT) in nonischemic cardiomyopathy (NICM) has a predilection for the basolateral left ventricle with right bundle branch block VT morphology...
  22. ncbi Twelve-lead electrocardiographic characteristics of the aortic cusp region guided by intracardiac echocardiography and electroanatomic mapping
    David Lin
    Cardiovascular Division, Section of Electrophysiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 5:663-9. 2008
    ..Idiopathic VT also can arise from the left ventricular outflow tract and the surrounding structures. Morphologic descriptions of 12-lead ECG characteristics of the aortic cusp region are limited...
  23. ncbi Twelve-lead ECG features to identify ventricular tachycardia arising from the epicardial right ventricle
    Victor Bazan
    Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 3:1132-9. 2006
    ..QRS duration and reported criteria for epicardial origin of VT in the left ventricle do not identify a probable epicardial origin in the RV...
  24. ncbi The V(2) transition ratio: a new electrocardiographic criterion for distinguishing left from right ventricular outflow tract tachycardia origin
    Brian P Betensky
    Section of Cardiac Electrophysiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    J Am Coll Cardiol 57:2255-62. 2011
    ....
  25. ncbi Complex fractionated electrogram distribution and temporal stability in patients undergoing atrial fibrillation ablation
    Jean Francois Roux
    Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Cardiovasc Electrophysiol 19:815-20. 2008
    ..Targeting of complex fractionated electrograms (CFEs) has been described as an approach for catheter ablation of atrial fibrillation (AF); however, the distribution and temporal stability of CFE regions remain poorly defined...
  26. ncbi Electrocardiographic recognition and ablation of outflow tract ventricular tachycardia
    Rupa Bala
    Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 4:366-70. 2007
  27. ncbi Comparison of antiarrhythmic drug therapy and radiofrequency catheter ablation in patients with paroxysmal atrial fibrillation: a randomized controlled trial
    David J Wilber
    Cardiovascular Institute, Department of Medicine, Loyola University Medical Center, 2160 S First Ave, Bldg 110, Room 6232, Maywood, IL 60153, USA
    JAMA 303:333-40. 2010
    ..Antiarrhythmic drugs are commonly used for prevention of recurrent atrial fibrillation (AF) despite inconsistent efficacy and frequent adverse effects. Catheter ablation has been proposed as an alternative treatment for paroxysmal AF...
  28. ncbi Supraventricular arrhythmias limit effective cardiac resynchronization therapy: diagnosis using intracardiac electrograms and device based pacing maneuvers
    Tapan G Rami
    Section of Cardiac Electrophysiology, Department of Medicine, University of Pennsylvania Health System, Philadelphia, PA, USA
    J Interv Card Electrophysiol 15:119-23. 2006
    ....