A Chugh

Summary

Affiliation: University of Michigan
Country: USA

Publications

  1. doi request reprint Intra-atrial conduction block mimicking atrioventricular nodal block after multiple catheter ablation procedures for atrial tachycardia in a patient with cardiomyopathy
    Aman Chugh
    Division of Cardiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
    J Cardiovasc Electrophysiol 23:1258-61. 2012
  2. doi request reprint Mechanical displacement of the esophagus in patients undergoing left atrial ablation of atrial fibrillation
    Aman Chugh
    Division of Cardiology, Section of Electrophysiology, University of Michigan Hospitals, Ann Arbor, Michigan 48109 5853, USA
    Heart Rhythm 6:319-22. 2009
  3. ncbi request reprint Supraventricular tachycardia after left atrial ablation of persistent atrial fibrillation: what is the mechanism?
    Aman Chugh
    Division of Cardiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 5:318-9. 2008
  4. ncbi request reprint Prevalence and management of inappropriate detection and therapies in patients with first-generation biventricular pacemaker-defibrillators
    Aman Chugh
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    Pacing Clin Electrophysiol 28:44-50. 2005
  5. ncbi request reprint Prevalence, mechanisms, and clinical significance of macroreentrant atrial tachycardia during and following left atrial ablation for atrial fibrillation
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 2:464-71. 2005
  6. ncbi request reprint Contemporary approach to ablation of paroxysmal atrial fibrillation
    A Chugh
    Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
    Minerva Cardioangiol 52:81-93. 2004
  7. ncbi request reprint Catheter ablation of atypical atrial flutter and atrial tachycardia within the coronary sinus after left atrial ablation for atrial fibrillation
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 46:83-91. 2005
  8. ncbi request reprint Catheter ablation as first-line therapy for patients with symptomatic atrial fibrillation
    Aman Chugh
    University of Michigan Hospitals, Division of Cardiology, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0311, USA
    Expert Rev Cardiovasc Ther 5:663-72. 2007
  9. ncbi request reprint Elimination of left superior pulmonary vein ostial potentials during radiofrequency ablation at the mitral isthmus
    Aman Chugh
    Division of Cardiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 4:85-7. 2007
  10. ncbi request reprint Termination of tachycardia with a ventricular extrastimulus: What is the mechanism?
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 2:1148-9. 2005

Collaborators

Detail Information

Publications81

  1. doi request reprint Intra-atrial conduction block mimicking atrioventricular nodal block after multiple catheter ablation procedures for atrial tachycardia in a patient with cardiomyopathy
    Aman Chugh
    Division of Cardiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
    J Cardiovasc Electrophysiol 23:1258-61. 2012
    ..She was treated with atrial pacing (from the coronary sinus), which overcame intra-atrial conduction block and resulted in AV nodal conduction...
  2. doi request reprint Mechanical displacement of the esophagus in patients undergoing left atrial ablation of atrial fibrillation
    Aman Chugh
    Division of Cardiology, Section of Electrophysiology, University of Michigan Hospitals, Ann Arbor, Michigan 48109 5853, USA
    Heart Rhythm 6:319-22. 2009
    ..Left atrial (LA) ablation of atrial fibrillation (AF) may rarely be complicated by an atrio-esophageal fistula...
  3. ncbi request reprint Supraventricular tachycardia after left atrial ablation of persistent atrial fibrillation: what is the mechanism?
    Aman Chugh
    Division of Cardiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 5:318-9. 2008
  4. ncbi request reprint Prevalence and management of inappropriate detection and therapies in patients with first-generation biventricular pacemaker-defibrillators
    Aman Chugh
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    Pacing Clin Electrophysiol 28:44-50. 2005
    ..Little is known regarding the prevalence and management of patients with BiV ICDs and inappropriate detection...
  5. ncbi request reprint Prevalence, mechanisms, and clinical significance of macroreentrant atrial tachycardia during and following left atrial ablation for atrial fibrillation
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 2:464-71. 2005
    ..The purpose of this study was to determine the prevalence and clinical significance of macroreentrant atrial tachycardia (AT) after left atrial (LA) circumferential ablation for atrial fibrillation (AF)...
  6. ncbi request reprint Contemporary approach to ablation of paroxysmal atrial fibrillation
    A Chugh
    Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
    Minerva Cardioangiol 52:81-93. 2004
    ..Segmental ostial isolation of the pulmonary veins and left atrial ablation will be compared as well...
  7. ncbi request reprint Catheter ablation of atypical atrial flutter and atrial tachycardia within the coronary sinus after left atrial ablation for atrial fibrillation
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 46:83-91. 2005
    ..The goal of this study was to describe the prevalence and ablation of coronary sinus (CS) arrhythmias after left atrial ablation for atrial fibrillation (AF)...
  8. ncbi request reprint Catheter ablation as first-line therapy for patients with symptomatic atrial fibrillation
    Aman Chugh
    University of Michigan Hospitals, Division of Cardiology, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0311, USA
    Expert Rev Cardiovasc Ther 5:663-72. 2007
    ..As a result, catheter ablation may be offered to the symptomatic patient as first-line therapy in lieu of antiarrhythmic medications, which have limited efficacy and are associated with significant toxicity...
  9. ncbi request reprint Elimination of left superior pulmonary vein ostial potentials during radiofrequency ablation at the mitral isthmus
    Aman Chugh
    Division of Cardiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 4:85-7. 2007
  10. ncbi request reprint Termination of tachycardia with a ventricular extrastimulus: What is the mechanism?
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 2:1148-9. 2005
  11. ncbi request reprint Characteristics of cavotricuspid isthmus-dependent atrial flutter after left atrial ablation of atrial fibrillation
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, MI, USA
    Circulation 113:609-15. 2006
    ..The effects of left atrial (LA) ablation on the characteristics of CTI-dependent flutter have not been described...
  12. ncbi request reprint Atrial fibrillation: catheter ablation
    Aman Chugh
    Division of Cardiology, University of Michigan Hospitals, TC B1 D140, 1500 E Medical Center Dr, Ann Arbor, MI 48109 0311, USA
    J Interv Card Electrophysiol 16:15-26. 2006
    ..This article strives to present an evidence-based review of the many techniques, and then offer a practical guide to the catheter ablation of AF...
  13. doi request reprint Mapping and ablation of epicardial idiopathic ventricular arrhythmias from within the coronary venous system
    Timir S Baman
    University of Michigan Health System, Ann Arbor, MI 48109 5853, USA
    Circ Arrhythm Electrophysiol 3:274-9. 2010
    ..The prevalence of epicardial idiopathic ventricular arrhythmias that can be ablated from within the coronary venous system (CVS) has not been described...
  14. ncbi request reprint Effect of left atrial circumferential ablation for atrial fibrillation on left atrial transport function
    Kristina Lemola
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
    Heart Rhythm 2:923-8. 2005
    ..The effects of left atrial (LA) circumferential ablation on LA function in patients with atrial fibrillation (AF) have not been well described...
  15. ncbi request reprint Mechanisms of recurrent atrial fibrillation after pulmonary vein isolation by segmental ostial ablation
    Kristina Lemola
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan, USA
    Heart Rhythm 1:197-202. 2004
    ..The aim of this study was to determine the mechanisms responsible for recurrent atrial fibrillation (AF) after pulmonary vein isolation (PV) by segmental ostial ablation...
  16. doi request reprint Simultaneous use of implantable cardioverter-defibrillators and left ventricular assist devices in patients with severe heart failure
    Michael Kuhne
    Division of Cardiovascular Medicine, University of Michigan Health System, Ann Arbor, Michigan, USA
    Am J Cardiol 105:378-82. 2010
    ..In conclusion, simultaneous ICD and LVAD therapy in patients with severe congestive heart failure is safe and clinically feasible. Interactions between the devices are uncommon and appear limited to specific models of ICDs...
  17. doi request reprint A nationwide survey on the prevalence of atrioesophageal fistula after left atrial radiofrequency catheter ablation
    Kasturi K Ghia
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
    J Interv Card Electrophysiol 24:33-6. 2009
    ..The purpose of this study was to determine the prevalence and factors associated with AEF using a nationwide anonymous survey...
  18. ncbi request reprint Atrial tachycardia after circumferential pulmonary vein ablation of atrial fibrillation: mechanistic insights, results of catheter ablation, and risk factors for recurrence
    Sanders Chae
    Division of Cardiology, University of Michigan Hospitals, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 50:1781-7. 2007
    ..The aim of this study was to determine the mechanism of atrial tachycardia (AT) that occurs after ablation of atrial fibrillation (AF)...
  19. ncbi request reprint Randomized comparison of bipolar versus unipolar plus bipolar recordings during segmental ostial ablation of pulmonary veins
    Hiroshi Tada
    Department of Internal Medicine, University of Michigan, Ann Arbor 48109 0022, USA
    J Cardiovasc Electrophysiol 13:851-6. 2002
    ....
  20. doi request reprint High-output pacing in mapping of postinfarction ventricular tachycardia
    Jean Francois Sarrazin
    Department of Cardiology, University of Michigan Health System, Ann Arbor, Michigan, USA
    Heart Rhythm 5:1709-14. 2008
    ..Unexcitable scar is not thought to contain surviving muscle fibers critical to the circuit. Due to current-to-load mismatch or a deep seated isthmus, higher power might be required in order to obtain capture...
  21. doi request reprint Relationship between burden of premature ventricular complexes and left ventricular function
    Timir S Baman
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    Heart Rhythm 7:865-9. 2010
    ..The factors resulting in impaired left ventricular function are unclear. Whether a critical burden of PVCs can result in cardiomyopathy has not been determined...
  22. ncbi request reprint Rate-dependent AV delay optimization in cardiac resynchronization therapy
    Christoph Scharf
    Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
    Pacing Clin Electrophysiol 28:279-84. 2005
    ..During cardiac resynchronization therapy (CRT), cardiac performance is dependent on an optimized atrioventricular delay (AVD). However, the optimal AVD at different heart rates has not been defined yet during CRT...
  23. doi request reprint Assessment of radiofrequency ablation lesions by CMR imaging after ablation of idiopathic ventricular arrhythmias
    Karl Ilg
    Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan, USA
    JACC Cardiovasc Imaging 3:278-85. 2010
    ....
  24. ncbi request reprint Rate-dependent effect of verapamil on atrial refractoriness
    Sohail A Hassan
    Division of Cardiology, Department of Internal Medicine, University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 49109 0022, USA
    J Am Coll Cardiol 41:446-51. 2003
    ..The purpose of this study was to determine whether verapamil has rate-dependent effects on the atrial effective refractory period (AERP)...
  25. doi request reprint Time to cardioversion of recurrent atrial arrhythmias after catheter ablation of atrial fibrillation and long-term clinical outcome
    Timir S Baman
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Cardiovasc Electrophysiol 20:1321-5. 2009
    ....
  26. ncbi request reprint Acute effects of left atrial radiofrequency ablation on atrial fibrillation
    Christoph Scharf
    Division of Cardiology, University of Michigan, Ann Arbor 48109 0022, USA
    J Cardiovasc Electrophysiol 15:515-21. 2004
    ..The prevalence of these acute outcomes has not been described...
  27. ncbi request reprint Effects of isoproterenol and amiodarone on the double potential interval after ablation of the cavotricuspid isthmus
    Hiroshi Tada
    Division of Cardiology, Department of Internal Medicine, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA
    J Cardiovasc Electrophysiol 14:935-9. 2003
    ..Isoproterenol is used to confirm cavotricuspid isthmus block, but the effects of isoproterenol on the double potential interval (DPI), either in the absence or presence of amiodarone, are unknown...
  28. ncbi request reprint Atrial electrogram amplitude and efficacy of cavotricuspid isthmus ablation for atrial flutter
    Mehmet Ozaydin
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
    Pacing Clin Electrophysiol 26:1859-63. 2003
    ..The efficacy of conventional radiofrequency ablation may be improved by identifying areas in the CTI where the voltage is relatively low...
  29. doi request reprint Post-infarction ventricular arrhythmias originating in papillary muscles
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 51:1794-802. 2008
    ..The aim of this study was to define the role of papillary muscles (PAPs) in post-infarction ventricular arrhythmias...
  30. doi request reprint Complex electrograms within the coronary sinus: time- and frequency-domain characteristics, effects of antral pulmonary vein isolation, and relationship to clinical outcome in patients with paroxysmal and persistent atrial fibrillation
    Kentaro Yoshida
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Cardiovasc Electrophysiol 19:1017-23. 2008
    ..The mechanistic and clinical significance of complex fractionated atrial electrograms (CFAE) in the coronary sinus (CS) has been unclear...
  31. ncbi request reprint Role of Purkinje fibers in post-infarction ventricular tachycardia
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 48:2500-7. 2006
    ..The objective of this study was to assess the role of Purkinje fibers in monomorphic, post-infarction ventricular tachycardia (VT)...
  32. pmc Delayed-enhanced magnetic resonance imaging in nonischemic cardiomyopathy: utility for identifying the ventricular arrhythmia substrate
    Frank M Bogun
    Division of Cardiology, University of Michigan Medical Center, Ann Arbor, Michigan 48109 5853, USA
    J Am Coll Cardiol 53:1138-45. 2009
    ..The purpose of this study was to assess the value of delayed-enhanced magnetic resonance imaging (DE-MRI) to guide ablation of ventricular arrhythmias in patients with nonischemic cardiomyopathy (NIC)...
  33. doi request reprint A randomized assessment of the incremental role of ablation of complex fractionated atrial electrograms after antral pulmonary vein isolation for long-lasting persistent atrial fibrillation
    Hakan Oral
    Cardiovascular Center, University of Michigan, Ann Arbor, 48109 5853, USA
    J Am Coll Cardiol 53:782-9. 2009
    ....
  34. ncbi request reprint Risk of thromboembolic events after percutaneous left atrial radiofrequency ablation of atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    Circulation 114:759-65. 2006
    ..The effect of percutaneous left atrial radiofrequency ablation (LARFA) of AF on the risk of TEs is unclear...
  35. doi request reprint Spatial resolution of pace mapping of idiopathic ventricular tachycardia/ectopy originating in the right ventricular outflow tract
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, MI 48109 0366, USA
    Heart Rhythm 5:339-44. 2008
    ..Pace mapping has been used to identify the site of origin of focal ventricular arrhythmias. The spatial resolution of pace mapping has not been adequately quantified using currently available three-dimensional mapping systems...
  36. ncbi request reprint Pulmonary vein isolation for paroxysmal and persistent atrial fibrillation
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
    Circulation 105:1077-81. 2002
    ..The purpose of this study was to determine the safety and efficacy of segmental PV isolation in patients with paroxysmal or persistent AF...
  37. ncbi request reprint Radiofrequency catheter ablation of chronic atrial fibrillation guided by complex electrograms
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, USA
    Circulation 115:2606-12. 2007
    ..However, only a small number of patients with chronic AF have been included in previous studies...
  38. ncbi request reprint Radiofrequency ablation of frequent, idiopathic premature ventricular complexes: comparison with a control group without intervention
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, MI 48109, USA
    Heart Rhythm 4:863-7. 2007
    ..However, case reports have demonstrated a possible link between frequent PVCs and left ventricular (LV) dysfunction. In addition, frequent PVCs recently were demonstrated to be associated with increased LV dimensions and cardiomyopathy...
  39. doi request reprint Utility of tachycardia cycle length variability in discriminating atrial tachycardia from ventricular tachycardia
    Krit Jongnarangsin
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
    Heart Rhythm 7:225-8. 2010
    ..Tachycardia cycle length (CL) variability and the relationship between atrial and ventricular CLs may be useful in discriminating AT from VT with 1:1 retrograde conduction...
  40. doi request reprint Prevalence and characteristics of continuous electrical activity in patients with paroxysmal and persistent atrial fibrillation
    Hiroshi Tada
    Division of Cardiovascular Medicine, Cardiovascular Center, University of Michigan, Ann Arbor, Michigan, USA
    J Cardiovasc Electrophysiol 19:606-12. 2008
    ..One type of CFAE is continuous electrical activity (CEA). The prevalence and characteristics of CEA in patients with paroxysmal and persistent AF are unclear...
  41. ncbi request reprint Painless coronary spasm causing recurrent ventricular tachycardia
    Nagib Chalfoun
    University of Michigan, Ann Arbor, Michigan, USA
    Heart Rhythm 4:1471-2. 2007
  42. ncbi request reprint Mechanism of recurrence after radiofrequency catheter ablation of atrial fibrillation guided by complex fractionated atrial electrograms
    Thomas C Crawford
    Division of Cardiovascular Medicine, University of Michigan, SPC 5853, 1500 E Medical Center Dr, Ann Arbor, MI 48109 5853, USA
    J Interv Card Electrophysiol 21:27-33. 2008
    ..A better understanding of the mechanisms of recurrent atrial fibrillation (AF) after radiofrequency ablation of complex, fractionated atrial electrograms (CFAEs) may be helpful for refining AF ablation strategies...
  43. doi request reprint Diagnosis and ablation of atypical atrial tachycardia and flutter complicating atrial fibrillation ablation
    Fred Morady
    Division of Cardiovascular Medicine, University of Michigan Health System, Ann Arbor, Michigan 48109 5853, USA
    Heart Rhythm 6:S29-32. 2009
    ..This review discusses the mechanisms, mapping techniques, and catheter ablation of atrial tachycardias that occur after radiofrequency ablation of atrial fibrillation...
  44. doi request reprint Relationship between the spectral characteristics of atrial fibrillation and atrial tachycardias that occur after catheter ablation of atrial fibrillation
    Kentaro Yoshida
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    Heart Rhythm 6:11-7. 2009
    ..During catheter ablation of complex fractionated atrial electrograms, persistent atrial fibrillation (AF) may convert to an atrial tachycardia (AT)...
  45. ncbi request reprint Isolated potentials during sinus rhythm and pace-mapping within scars as guides for ablation of post-infarction ventricular tachycardia
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 47:2013-9. 2006
    ..The purpose of this study was to identify ventricular tachycardia (VT) isthmus sites by pace-mapping within scar tissue and to identify electrogram characteristics that are helpful in identifying VT isthmus sites during sinus rhythm (SR)...
  46. ncbi request reprint A tailored approach to catheter ablation of paroxysmal atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
    Circulation 113:1824-31. 2006
    ..A tailored strategy that targets initiators and drivers of AF is a possible alternative to a standardized lesion set...
  47. ncbi request reprint Clinical significance of early recurrences of atrial fibrillation after pulmonary vein isolation
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 40:100-4. 2002
    ....
  48. ncbi request reprint Prevalence of asymptomatic recurrences of atrial fibrillation after successful radiofrequency catheter ablation
    Hakan Oral
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    J Cardiovasc Electrophysiol 15:920-4. 2004
    ..However, asymptomatic recurrences of AF may remain undetected. The aim of this study was to determine the prevalence of asymptomatic recurrences of AF after an apparently successful catheter ablation procedure for AF...
  49. ncbi request reprint Incremental value of isolating the right inferior pulmonary vein during pulmonary vein isolation procedures in patients with paroxysmal atrial fibrillation
    Hakan Oral
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    Pacing Clin Electrophysiol 27:480-4. 2004
    ..Whenever feasible, the right inferior PV should be isolated along with the other three PVs during the first ablation procedure in patients with PAF...
  50. ncbi request reprint Mechanism of immediate recurrences of atrial fibrillation after restoration of sinus rhythm
    Aman Chugh
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
    Pacing Clin Electrophysiol 27:77-82. 2004
    ..The mechanism of immediate recurrence of AF is a burst of PV tachycardia, not a single premature depolarization. Immediate recurrence of AF identifies patients with AF in whom the PVs may play a major role in the initiation of AF...
  51. ncbi request reprint Catheter ablation for paroxysmal atrial fibrillation: segmental pulmonary vein ostial ablation versus left atrial ablation
    Hakan Oral
    Division of Cardiology, University of Michigan, Ann Arbor, USA
    Circulation 108:2355-60. 2003
    ..The relative efficacy of these 2 techniques has not been directly compared...
  52. ncbi request reprint Effect of atrial fibrillation duration on probability of immediate recurrence after transthoracic cardioversion
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    J Cardiovasc Electrophysiol 14:182-5. 2003
    ....
  53. ncbi request reprint Segmental ostial ablation to isolate the pulmonary veins during atrial fibrillation: feasibility and mechanistic insights
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor 48109 0022, USA
    Circulation 106:1256-62. 2002
    ..The purpose of this study was to determine the feasibility and mechanistic implications of segmental pulmonary vein (PV) ostial ablation during atrial fibrillation (AF)...
  54. ncbi request reprint Comparison of amiodarone versus ibutilide for the prevention of immediate recurrences of atrial fibrillation during pulmonary vein isolation
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
    Am J Cardiol 90:492-5. 2002
    ..There were no adverse drug effects. Ibutilide and amiodarone were equally effective in suppressing immediate recurrences of AF. Overall, immediate recurrences of AF can be prevented by amiodarone and/or ibutilide in 80% of patients...
  55. ncbi request reprint Randomized comparison of anatomic and electrogram mapping approaches to ablation of typical atrial flutter
    Hiroshi Tada
    Department of Internal Medicine, University of Michigan, Ann Arbor 48109 0022, USA
    J Cardiovasc Electrophysiol 13:662-6. 2002
    ..The aim of this study was to compare the anatomic and electrogram mapping approaches for creating a line of block in the cavotricuspid isthmus after an initial, unsuccessful anatomically directed ablation line...
  56. ncbi request reprint Mechanistic significance of intermittent pulmonary vein tachycardia in patients with atrial fibrillation
    Hakan Oral
    Department of Internal Medicine, University of Michigan, Ann Arbor 48109 0022, USA
    J Cardiovasc Electrophysiol 13:645-50. 2002
    ..The significance of intermittent tachycardia within a pulmonary vein (PV) during an episode of atrial fibrillation (AF) is unclear. The aim of this study was to determine the role that intermittent PV tachycardias play in AF...
  57. ncbi request reprint Computed tomographic analysis of the anatomy of the left atrium and the esophagus: implications for left atrial catheter ablation
    Kristina Lemola
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, USA
    Circulation 110:3655-60. 2004
    ..No in vivo studies have examined the relationship of the esophagus to the LA. The purpose of this study was to describe the topographic anatomy of the esophagus and the posterior LA by use of CT...
  58. ncbi request reprint Randomized comparison of anatomical versus voltage guided ablation of the cavotricuspid isthmus for atrial flutter
    Burr Hall
    Division of Cardiology, University of Michigan, Ann Arbor, 48109, USA
    Heart Rhythm 1:43-8. 2004
    ....
  59. ncbi request reprint Catheter ablation guided by termination of postinfarction ventricular tachycardia by pacing with nonglobal capture
    Frank Bogun
    University of Michigan, Ann Arbor, 48109, USA
    Heart Rhythm 1:422-6. 2004
    ..We prospectively investigated the prevalence and value of this criterion for identifying a target site for ablation in patients with postinfarction ventricular tachycardia (VT)...
  60. ncbi request reprint Effects of left atrial ablation of atrial fibrillation on size of the left atrium and pulmonary veins
    Kristina Lemola
    Division of Cardiology, University of Michigan, Ann Arbor, 48109, USA
    Heart Rhythm 1:576-81. 2004
    ..The purpose of this study was to determine the effect of left atrial circumferential ablation on the size of the left atrium and pulmonary veins (PVs)...
  61. ncbi request reprint Randomized comparison of encircling and nonencircling left atrial ablation for chronic atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA
    Heart Rhythm 2:1165-72. 2005
    ..Left atrial (LA) circumferential ablation has been reported to eliminate atrial fibrillation (AF). Whether an ablation without encirclement of the pulmonary veins (PVs) is as effective as LA circumferential ablation is not clear...
  62. ncbi request reprint Movement of the esophagus during left atrial catheter ablation for atrial fibrillation
    Eric Good
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 46:2107-10. 2005
    ..The aim of this study was to describe the extent of esophageal mobility that occurs during catheter ablation for atrial fibrillation under conscious sedation...
  63. ncbi request reprint Comparison of mapping criteria for hemodynamically tolerated, postinfarction ventricular tachycardia
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, Michigan 48109 0366, USA
    Heart Rhythm 3:20-6. 2006
    ..Mapping criteria for hemodynamically tolerated, postinfarction ventricular tachycardia (VT) have been evaluated in only small series of patients...
  64. ncbi request reprint Topographic analysis of the coronary sinus and major cardiac veins by computed tomography
    Kristina Lemola
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    Heart Rhythm 2:694-9. 2005
    ..Applications of radiofrequency energy within the CS may be necessary. Atrio-esophageal fistula has been recognized as a complication of ablation along the posterior left atrial wall...
  65. doi request reprint Randomized evaluation of right atrial ablation after left atrial ablation of complex fractionated atrial electrograms for long-lasting persistent atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, Cardiovascular Center, University of Michigan, Ann Arbor, Mich, USA
    Circ Arrhythm Electrophysiol 1:6-13. 2008
    ..However, many studies have reported excellent outcomes from RFA of long-lasting persistent AF with the use of other ablation strategies that were limited to the LA. The incremental value of RFA of RA CFAEs is yet to be defined...
  66. ncbi request reprint Pulmonary vein isolation as an end point for left atrial circumferential ablation of atrial fibrillation
    Kristina Lemola
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 46:1060-6. 2005
    ..We sought to determine whether elimination of pulmonary vein (PV) arrhythmogenicity is necessary for the efficacy of left atrial circumferential ablation (LACA) for atrial fibrillation (AF)...
  67. ncbi request reprint Electrogram characteristics in postinfarction ventricular tachycardia: effect of infarct age
    Frank Bogun
    University of Michigan Medical Center, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 46:667-74. 2005
    ..The purpose of this study was to correlate infarct age with characteristics of the endocardial electrograms (EGM) obtained in patients undergoing mapping procedures for postinfarction ventricular tachycardia (VT)...
  68. ncbi request reprint Role of the coronary sinus in maintenance of atrial fibrillation
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    J Cardiovasc Electrophysiol 14:1329-36. 2003
    ..However, the role of the coronary sinus (CS) in the perpetuation of AF has been unclear. The aim of this study was to determine whether the CS plays a role in perpetuation of AF...
  69. ncbi request reprint Mechanical interruption of postinfarction ventricular tachycardia as a guide for catheter ablation
    Frank Bogun
    Division of Cardiology, University of Michigan Medical Center, Ann Arbor, Michigan 48109 0366, USA
    Heart Rhythm 2:687-91. 2005
    ..In postinfarction ventricular tachycardia (VT), the reentrant circuit is partly endocardial and therefore may be susceptible to catheter trauma...
  70. doi request reprint Inducibility of paroxysmal atrial fibrillation by isoproterenol and its relation to the mode of onset of atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Cardiovasc Electrophysiol 19:466-70. 2008
    ..It also is not clear whether isoproterenol is equally effective in inducing AF in the clinical subtypes of vagotonic, adrenergic, and random AF...
  71. ncbi request reprint Noninducibility of atrial fibrillation as an end point of left atrial circumferential ablation for paroxysmal atrial fibrillation: a randomized study
    Hakan Oral
    Division of Cardiology, University of Michigan, Ann Arbor, USA
    Circulation 110:2797-801. 2004
    ..However, no electrophysiological end points other than voltage abatement and/or conduction slowing or block across ablation lines have been used. It has been unclear whether noninducibility of AF is a clinically useful end point...
  72. doi request reprint Relationship of frequent postinfarction premature ventricular complexes to the reentry circuit of scar-related ventricular tachycardia
    Frank Bogun
    Division of Cardiology, University of Michigan Medical Center, Ann Arbor, MI, USA
    Heart Rhythm 5:367-74. 2008
    ..Postinfarction reentrant ventricular tachycardia (VT) is usually scar-related. However, the sites of origin of premature ventricular complexes (PVCs) in the setting of healed myocardial infarction have not been well characterized...
  73. doi request reprint Body mass index, obstructive sleep apnea, and outcomes of catheter ablation of atrial fibrillation
    Krit Jongnarangsin
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Cardiovasc Electrophysiol 19:668-72. 2008
    ..Obesity and obstructive sleep apnea (OSA) are associated with atrial fibrillation (AF). The effects of a large body mass index (BMI) and OSA on the results of radiofrequency catheter ablation (RFA) of AF are unclear...
  74. ncbi request reprint Circumferential pulmonary-vein ablation for chronic atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, USA
    N Engl J Med 354:934-41. 2006
    ..We conducted a randomized, controlled trial of circumferential pulmonary-vein ablation for the treatment of chronic atrial fibrillation...
  75. ncbi request reprint Effects of operator experience on the outcome and duration of pulmonary vein isolation procedures for atrial fibrillation
    Bradley P Knight
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
    Am J Cardiol 91:673-7. 2003
    ..The results of this study suggest that after >75 cases, segmental ablation to isolate the pulmonary veins using fluoroscopy and conventional radiofrequency ablation usually is feasible in <3 hours...
  76. ncbi request reprint Clinical significance of inducible atrial flutter during pulmonary vein isolation in patients with atrial fibrillation
    Christoph Scharf
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 43:2057-62. 2004
    ..This study was designed to determine the prevalence and clinical significance of atrial flutter (AFL) that occurs during catheter ablation for atrial fibrillation (AF)...
  77. ncbi request reprint Recurrent syncope in a patient with an implantable loop recorder: what is the diagnosis?
    Aman Chugh
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
    J Cardiovasc Electrophysiol 13:1176-7. 2002
  78. ncbi request reprint A long-RP interval tachycardia: what is the mechanism?
    Aman Chugh
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan 48109, USA
    J Cardiovasc Electrophysiol 14:551-3. 2003
  79. ncbi request reprint Anatomy of the pulmonary veins in patients with atrial fibrillation and effects of segmental ostial ablation analyzed by computed tomography
    Christoph Scharf
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109 0311, USA
    J Cardiovasc Electrophysiol 14:150-5. 2003
    ..The aim of this study was to determine the effect of segmental ostial radiofrequency ablation on PV anatomy in patients with atrial fibrillation (AF)...
  80. ncbi request reprint Pulmonary vein isolation for vagotonic, adrenergic, and random episodes of paroxysmal atrial fibrillation
    Hakan Oral
    Division of Cardiology, TC B1 140D, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0311, USA
    J Cardiovasc Electrophysiol 15:402-6. 2004
    ..Based on the clinical history, paroxysmal atrial fibrillation (PAF) may be classified as vagotonic, adrenergic, or random. It is unclear whether pulmonary vein (PV) isolation is equally effective for these types of PAF...
  81. ncbi request reprint Effects of two different catheter ablation techniques on spectral characteristics of atrial fibrillation
    Kristina Lemola
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 48:340-8. 2006
    ....