Rupa Bala

Summary

Affiliation: University of Pennsylvania
Country: USA

Publications

  1. pmc 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. doi request reprint 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. doi request reprint Pulmonary vein antral isolation and nonpulmonary vein trigger ablation without additional substrate modification for treating longstanding persistent atrial fibrillation
    David Lin
    Hospital of the University of Pennsylvania, Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, Philadelphia, PA, USA
    J Cardiovasc Electrophysiol 23:806-13. 2012
  4. doi request reprint 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
  5. doi request reprint Noninvasive programmed ventricular stimulation early after ventricular tachycardia ablation to predict risk of late recurrence
    David S Frankel
    Cardiovascular Division, Electrophysiology Section, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Am Coll Cardiol 59:1529-35. 2012
  6. pmc 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
  7. doi request reprint 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
  8. doi request reprint Ablation of ventricular arrhythmias arising near the anterior epicardial veins from the left sinus of Valsalva region: ECG features, anatomic distance, and outcome
    Miguel E Jauregui Abularach
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
    Heart Rhythm 9:865-73. 2012
  9. doi request reprint Randomized ablation strategies for the treatment of persistent atrial fibrillation: RASTA study
    Sanjay Dixit
    Cardiovascular Division, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
    Circ Arrhythm Electrophysiol 5:287-94. 2012
  10. doi request reprint 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

Detail Information

Publications37

  1. pmc 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. doi request reprint 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. doi request reprint Pulmonary vein antral isolation and nonpulmonary vein trigger ablation without additional substrate modification for treating longstanding persistent atrial fibrillation
    David Lin
    Hospital of the University of Pennsylvania, Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, Philadelphia, PA, USA
    J Cardiovasc Electrophysiol 23:806-13. 2012
    ..We sought to describe clinical outcomes with this ablation strategy in patients (pts) followed for at least 1 year...
  4. doi request reprint 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...
  5. doi request reprint Noninvasive programmed ventricular stimulation early after ventricular tachycardia ablation to predict risk of late recurrence
    David S Frankel
    Cardiovascular Division, Electrophysiology Section, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    J Am Coll Cardiol 59:1529-35. 2012
    ..The goal of this study was to evaluate the ability of noninvasive programmed stimulation (NIPS) after ventricular tachycardia (VT) ablation to identify patients at high risk of recurrence...
  6. pmc 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...
  7. doi request reprint 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...
  8. doi request reprint Ablation of ventricular arrhythmias arising near the anterior epicardial veins from the left sinus of Valsalva region: ECG features, anatomic distance, and outcome
    Miguel E Jauregui Abularach
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
    Heart Rhythm 9:865-73. 2012
    ..Left ventricular outflow tract tachycardia/premature depolarizations (VT/VPDs) arising near the anterior epicardial veins may be difficult to eliminate through the coronary venous system...
  9. doi request reprint Randomized ablation strategies for the treatment of persistent atrial fibrillation: RASTA study
    Sanjay Dixit
    Cardiovascular Division, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
    Circ Arrhythm Electrophysiol 5:287-94. 2012
    ..Adjunctive techniques have been developed to enhance single-procedure efficacy in these patients. We conducted a study to compare 3 ablation strategies in patients with persistent AF...
  10. doi request reprint 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)...
  11. doi request reprint 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...
  12. doi request reprint 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...
  13. doi request reprint Efforts to enhance catheter stability improve atrial fibrillation ablation outcome
    Mathew D Hutchinson
    Cardiovascular Division, Department of Medicine, Hospital of University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 10:347-53. 2013
    ....
  14. doi request reprint Predictors of recovery of left ventricular dysfunction after ablation of frequent ventricular premature depolarizations
    Marc W Deyell
    Electrophysiology Section, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 9:1465-72. 2012
    ..Frequent ventricular premature depolarizations (VPDs) can cause reversible left ventricular (LV) dysfunction. However, not all patients normalize their LV function after VPD elimination...
  15. doi request reprint 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...
  16. doi request reprint 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...
  17. doi request reprint 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...
  18. doi request reprint New unipolar electrogram criteria to identify irreversibility of nonischemic left ventricular cardiomyopathy
    Bieito Campos
    Electrophysiology Section, Cardiovascular Division, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA
    J Am Coll Cardiol 60:2194-204. 2012
    ....
  19. doi request reprint 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...
  20. doi request reprint 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...
  21. ncbi request reprint 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...
  22. doi request reprint 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...
  23. doi request reprint Risk of stroke and atrial fibrillation after radiofrequency catheter ablation of typical atrial flutter
    Todd T Tomson
    Hospital of University of Pennsylvania, and Philadelphia Veterans Affairs Medical Center, Philadelphia, Pennsylvania 19104, USA
    Heart Rhythm 9:1779-84. 2012
    ..However, little data exist about the incidence of and risk factors for stroke and AF after successful ablation of typical AFL...
  24. ncbi request reprint 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...
  25. doi request reprint 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...
  26. doi request reprint 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...
  27. doi request reprint 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...
  28. doi request reprint 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...
  29. doi request reprint Assessing arrhythmia burden after catheter ablation of atrial fibrillation using an implantable loop recorder: the ABACUS study
    Suraj Kapa
    Division of Cardiology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
    J Cardiovasc Electrophysiol 24:875-81. 2013
    ..Implantable loop recorders (ILRs) may overcome these limitations. We sought to evaluate the utility of ILRs versus conventional monitoring (CM) in patients undergoing AF ablation...
  30. doi request reprint 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
    ....
  31. doi request reprint 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...
  32. doi request reprint 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...
  33. ncbi request reprint 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
    ..Usefulness of 12-lead ECG for predicting an epicardial origin for ventricular tachycardia (VT) arising from the right ventricle (RV) has not been assessed. An epicardial approach is sometimes warranted to eliminate RV VT...
  34. doi request reprint 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...
  35. ncbi request reprint 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
  36. doi request reprint 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...
  37. ncbi request reprint 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
    ....