H Oral

Summary

Affiliation: University of Michigan
Country: USA

Publications

  1. ncbi 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
  2. ncbi 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
  3. ncbi 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
  4. ncbi 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
  5. ncbi 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
  6. ncbi 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
  7. ncbi Mechanisms of atrial fibrillation: lessons from studies in patients
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan Ann Arbor, MI, USA
    Prog Cardiovasc Dis 48:29-40. 2005
  8. ncbi 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
  9. ncbi Myocardial proinflammatory cytokine expression and left ventricular remodeling in patients with chronic mitral regurgitation
    Hakan Oral
    Division of Cardiology, University of Michigan and Veterans Affairs Medical Centers, Ann Arbor, USA
    Circulation 107:831-7. 2003
  10. ncbi 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

Detail Information

Publications84

  1. ncbi 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...
  2. ncbi 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
    ....
  3. ncbi 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...
  4. ncbi 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...
  5. ncbi 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)...
  6. ncbi 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...
  7. ncbi Mechanisms of atrial fibrillation: lessons from studies in patients
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan Ann Arbor, MI, USA
    Prog Cardiovasc Dis 48:29-40. 2005
    ....
  8. ncbi 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)...
  9. ncbi Myocardial proinflammatory cytokine expression and left ventricular remodeling in patients with chronic mitral regurgitation
    Hakan Oral
    Division of Cardiology, University of Michigan and Veterans Affairs Medical Centers, Ann Arbor, USA
    Circulation 107:831-7. 2003
    ....
  10. ncbi 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
    ....
  11. ncbi 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...
  12. ncbi Left atrial flutter after segmental ostial radiofrequency catheter ablation for pulmonary vein isolation
    Hakan Oral
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109 0022, USA
    Pacing Clin Electrophysiol 26:1417-9. 2003
    ..Documenting the cause of symptoms after pulmonary vein isolation in patients with atrial fibrillation is critical in guiding therapy...
  13. ncbi 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...
  14. ncbi 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...
  15. ncbi 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...
  16. ncbi 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...
  17. ncbi Ablation of atrial fibrillation
    Hakan Oral
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan 48109-0311, USA
    J Cardiovasc Electrophysiol 15:112-3. 2004
  18. ncbi 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...
  19. ncbi Tachycardia and bradycardia coexisting in the same pulmonary vein
    Hakan Oral
    Department of Internal Medicine, University of Michigan, Ann Arbor 48109 0022, USA
    J Cardiovasc Electrophysiol 13:186-8. 2002
    ..These observations indicate that PV fascicles are insulated from each other and that a dissociated PV rhythm does not necessarily indicate complete isolation of a PV...
  20. ncbi 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...
  21. ncbi Role of transisthmus conduction intervals in predicting bidirectional block after ablation of typical atrial flutter
    H Oral
    Department of Internal Medicine, University of Michigan, Ann Arbor, USA
    J Cardiovasc Electrophysiol 12:169-74. 2001
    ..The purpose of this study was to determine whether the extent of prolongation of the transisthmus interval after ablation predicts complete bidirectional block...
  22. ncbi 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
    ....
  23. ncbi 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...
  24. ncbi 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...
  25. ncbi Catheter ablation for chronic atrial fibrillation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan 48109-0311, USA
    Heart Rhythm 4:691-4. 2007
  26. ncbi How to select patients for atrial fibrillation ablation
    Hakan Oral
    Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, Michigan 48109-0311, USA
    Heart Rhythm 3:615-8. 2006
  27. ncbi Conducting randomized trials in the electrophysiology laboratory: lessons from a randomized comparison of recording methods during pulmonary vein isolation by segmental ostial ablation
    Hakan Oral
    Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
    Card Electrophysiol Rev 7:247-51. 2003
    ..The role of unipolar electrograms in these new methods remains to be determined...
  28. ncbi 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...
  29. ncbi 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...
  30. ncbi Double potentials along the ablation line as a guide to radiofrequency ablation of typical atrial flutter
    H Tada
    Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
    J Am Coll Cardiol 38:750-5. 2001
    ..CONCLUSIONS: Detailed analysis of DPs is helpful in identifying gaps in the ablation line and in distinguishing complete from incomplete isthmus block in patients undergoing radiofrequency ablation of typical AFL...
  31. ncbi Electrogram polarity and cavotricuspid isthmus block during ablation of typical atrial flutter
    H Tada
    Department of Internal Medicine, University of Michigan, Ann Arbor 48109-0022, USA
    J Cardiovasc Electrophysiol 12:393-9. 2001
    ....
  32. ncbi Effect of chronic amiodarone therapy on defibrillation energy requirements in humans
    F Pelosi
    Department of Internal Medicine, University of Michigan Health System, Ann Arbor 48109 0022, USA
    J Cardiovasc Electrophysiol 11:736-40. 2000
    ..The effect of oral amiodarone therapy on defibrillation energy requirements in patients with an implantable defibrillator has not been established...
  33. ncbi Prevalence of central venous occlusion in patients with chronic defibrillator leads
    C Sticherling
    Division of Cardiology, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 49109-0022, USA
    Am Heart J 141:813-6. 2001
    ....
  34. ncbi Incidence and clinical significance of inducible atrial tachycardia in patients with atrioventricular nodal reentrant tachycardia
    C Sticherling
    Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 49109-0022, USA
    J Cardiovasc Electrophysiol 12:507-10. 2001
    ....
  35. ncbi Effects of simultaneous atrioventricular pacing on atrial refractoriness and atrial fibrillation inducibility: role of atrial mechanoelectrical feedback
    H F Tse
    Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109-0022, USA
    J Cardiovasc Electrophysiol 12:43-50. 2001
    ..e., atrial mechanoelectrical feedback, which may be enhanced by autonomic blockade and attenuated by calcium channel blockade...
  36. ncbi Diagnostic value of tachycardia features and pacing maneuvers during paroxysmal supraventricular tachycardia
    B P Knight
    Department of Internal Medicine, University of Michigan Health System, Ann Arbor 48109 0022, USA
    J Am Coll Cardiol 36:574-82. 2000
    ..The purpose of this prospective study was to quantitate the diagnostic value of several tachycardia features and pacing maneuvers in patients with paroxysmal supraventricular tachycardia (PSVT) in the electrophysiology laboratory...
  37. ncbi Differentiation of atypical atrioventricular node re-entrant tachycardia from orthodromic reciprocating tachycardia using a septal accessory pathway by the response to ventricular pacing
    G F Michaud
    Division of Cardiology, Department of Internal Medicine, Rhode Island Hospital, Brown University, Providence, Rhode Island 02905, USA
    J Am Coll Cardiol 38:1163-7. 2001
    ....
  38. ncbi 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
    ..However, in patients with paroxysmal AF, LA catheter ablation results in decreased LA function. Whether the impairment in LA function is severe enough to predispose to LA thrombi despite elimination of AF remains to be determined...
  39. ncbi 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...
  40. ncbi Complete atrioventricular block after valvular heart surgery and the timing of pacemaker implantation
    M H Kim
    Division of Cardiology, University of Michigan Health Systmem in Ann Argor 48109, USA
    Am J Cardiol 87:649-51, A10. 2001
    ....
  41. ncbi Effect of gender on atrial electrophysiologic changes induced by rapid atrial pacing and elevation of atrial pressure
    H F Tse
    Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 49109-0022, USA
    J Cardiovasc Electrophysiol 12:986-9. 2001
    ..The effect of menopause on the observed changes suggests that the gender differences may be mediated by the effects of estrogen on atrial electrophysiologic properties...
  42. ncbi Relationship between serum potassium concentration and risk of recurrent ventricular tachycardia or ventricular fibrillation
    G F Michaud
    Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109-0022, USA
    J Cardiovasc Electrophysiol 12:1109-12. 2001
    ....
  43. ncbi 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
    ....
  44. ncbi Relative timing of isolated potentials during postinfarction ventricular tachycardia and sinus rhythm
    Frank Bogun
    Henry Ford Hospital, Division of Cardiology, Detroit, Michigan 48202 9888, USA
    J Interv Card Electrophysiol 10:65-72. 2004
    ..In an attempt to differentiate bystander pathways from critical sites within a reentry circuit, we compared the relative timing of isolated potentials during VT and sinus rhythm...
  45. ncbi 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
    ..CONCLUSIONS: Verapamil prolongs AERP at slow rates and shortens AERP at rapid rates. These findings are consistent with a predominant effect on I(Ca) at rapid rates and a predominant effect on I(Kr) at slow rates...
  46. ncbi Percutaneous epicardial mapping during ablation of difficult accessory pathways as an alternative to cardiac surgery
    Miguel Valderrabano
    UCLA Cardiac Arrhythmia Center, Division of Cardiology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
    Heart Rhythm 1:311-6. 2004
    ..The aim of this study was to define the role of percutaneous epicardial mapping for the ablation of previous failed ablation of accessory pathways...
  47. ncbi 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)...
  48. ncbi 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 efficacy of repeat segmental ostial ablation depends on the presence of PV tachycardias, whereas left atrial ablation is effective regardless of whether PV tachycardias are present or not during AF...
  49. ncbi 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
    ..CONCLUSION: Segmental ostial ablation to isolate the pulmonary veins can be achieved more efficiently and with less radiofrequency energy when guided by both unipolar and bipolar recordings than by bipolar recordings alone...
  50. ncbi 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...
  51. ncbi 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...
  52. ncbi 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
    ....
  53. ncbi Pulmonary vein isolation: comparison of bipolar and unipolar electrograms at successful and unsuccessful ostial ablation sites
    Hiroshi Tada
    Department of Internal Medicine, University of Michigan, Ann Arbor 48109-0022, USA
    J Cardiovasc Electrophysiol 13:13-9. 2002
    ..Furthermore, unipolar recordings, but not bipolar recordings, allow accurate localization of the position of the ablation catheter relative to the electrodes of the Lasso catheter...
  54. ncbi 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...
  55. ncbi Prevalence of a shared isthmus in postinfarction patients with pleiomorphic, hemodynamically tolerated ventricular tachycardias
    Frank Bogun
    Division of Cardiology, Henry Ford Hospital, Detroit, Michigan 48202 9888, USA
    J Cardiovasc Electrophysiol 13:237-41. 2002
    ..The prevalence of a shared isthmus in patients with multiple hemodynamically tolerated VTs has not been determined...
  56. ncbi Differentiation of atrial and pulmonary vein potentials recorded circumferentially within pulmonary veins
    Hiroshi Tada
    Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109-0022, USA
    J Cardiovasc Electrophysiol 13:118-23. 2002
    ..In the left pulmonary veins, discrimination of the atrial and pulmonary vein potentials is aided by coronary sinus or left atrial appendage pacing...
  57. ncbi 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...
  58. ncbi 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...
  59. ncbi 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...
  60. ncbi 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
    ..Both the esophageal and atrial walls are quite thin. However, a layer of adipose tissue may serve to insulate the esophagus from thermal injury, explaining why atrioesophageal fistulas are rare...
  61. ncbi Compared with control subjects, the systemic sympathetic nervous system is activated in patients with mitral regurgitation
    Rajendra H Mehta
    TOP University of Michigan and Veterans Affairs Healthcare Systems, Ann Arbor, USA
    Am Heart J 145:1078-85. 2003
    ....
  62. ncbi 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 shortens the DPI despite the presence of complete isthmus block, and this effect is accentuated in the presence of amiodarone...
  63. ncbi 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
    ..Focal atrial tachycardias that occur during ablation of AF may be attributable to driving mechanisms that persist after AF has been eliminated, whereas atrial flutter results from incomplete ablation lines...
  64. ncbi 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
    ..CONCLUSIONS: Maintenance of sinus rhythm after left atrial circumferential ablation is associated with reduced left atrial and PV ostial size. Left atrial circumferential ablation for atrial fibrillation does not cause PV stenosis...
  65. ncbi 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
    ..03). CONCLUSION: PV isolation has a lower efficacy in patients with vagotonic PAF than in patients with adrenergic or random episodes of PAF, suggesting that the PVs less often play an important role in vagotonic PAF...
  66. ncbi Cardiac-specific norepinephrine mass transport and its relationship to left ventricular size and systolic performance
    P Michael Grossman
    Department of Internal Medicine, University of Michigan, Ann Arbor, MI 48105, USA
    Am J Physiol Heart Circ Physiol 287:H878-88. 2004
    ..These data support the concept that this new model of organ-specific NE kinetics has physiological relevance...
  67. ncbi 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)...
  68. ncbi 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
    ..Ablation of high voltage zones is not associated with a higher recurrence rate. Therefore, anatomic ablation without voltage mapping is the preferred initial approach for cavotricuspid isthmus ablation...
  69. ncbi Clinical predictors of successful cephalic vein access for implantation of endocardial leads
    Bradley P Knight
    Division of Cardiology, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 49109 0022, USA
    J Interv Card Electrophysiol 7:177-80. 2002
    ..The purpose of this study was to determine whether there are any patient characteristics that predict successful use of the cephalic vein for endocardial lead implantation...
  70. ncbi Normative analysis of pulmonary vein drainage patterns on multidetector CT with measurements of pulmonary vein ostial diameter and distance to first bifurcation
    Paul Cronin
    Department of Radiology, Division of Thoracic Radiology, University of Michigan Medical Center, B1 132F Taubman Center 0302, 1500 East Medical Center Drive, Ann Arbor, MI 48109 0030, USA
    Acad Radiol 14:178-88. 2007
    ....
  71. ncbi 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)...
  72. ncbi Images in cardiovascular medicine. Paroxysmal fibrillation within an isolated pulmonary vein
    Bradley P Knight
    Department of Internal Medicine, Division of Cardiology, University of Michigan Medical Center, Ann Arbor, USA
    Circulation 106:1426-7. 2002
  73. ncbi 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)...
  74. ncbi 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
    ..Therefore, real-time imaging of the esophagus may be helpful in reducing the risk of esophageal injury during radiofrequency ablation along the posterior left atrium...
  75. ncbi 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...
  76. ncbi Diagnostic value of single versus dual chamber electrograms recorded from an implantable defibrillator
    Michael H Kim
    Section of Cardiology, Rush Presbyterian St Luke s Medical Center, 1653 W Congress Parkway, Room 983 Jelke, Chicago, IL 60612, USA
    J Interv Card Electrophysiol 9:49-53. 2003
    ....
  77. ncbi 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...
  78. ncbi Detection of inadvertent catheter movement into a pulmonary vein during radiofrequency catheter ablation by real-time impedance monitoring
    Peter Cheung
    Division of Cardiology, University of Michigan, Ann Arbor, Michigan 48109-0311, USA
    J Cardiovasc Electrophysiol 15:674-8. 2004
    ..Continuous monitoring of the real-time impedance facilitates detection of inadvertent catheter movement into a PV during applications of radiofrequency energy...
  79. ncbi 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
    ....
  80. ncbi MDCT of the left atrium and pulmonary veins in planning radiofrequency ablation for atrial fibrillation: a how-to guide
    Paul Cronin
    Department of Radiology, Division of Thoracic Radiology, University of Michigan Health Systems, B1 132F Taubman Center, 1500 E Medical Center Dr, TC 2910, Ann Arbor, MI 48109, USA
    AJR Am J Roentgenol 183:767-78. 2004
  81. ncbi Effects of verapamil and ibutilide on atrial fibrillation and postfibrillation atrial refractoriness
    Christian Sticherling
    Department of Internal Medicine II, Free University of Berlin, Germany
    J Cardiovasc Electrophysiol 13:151-7. 2002
    ..CONCLUSION: Verapamil shortens AFCL and impedes the conversion of induced AF, whereas ibutilide prolongs AFCL and does not impede the early conversion of induced AF. Ibutilide is more effective than verapamil in preventing pos..
  82. ncbi 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...
  83. ncbi Mechanism of ventricular tachycardia termination by pacing at left ventricular sites in patients with coronary artery disease
    Frank Bogun
    J W Goethe University, Division of Cardiology, Frankfurt, Germany
    J Interv Card Electrophysiol 6:35-41. 2002
    ..The purpose of this study was to compare the mechanisms by which pacing terminates VT at left ventricular (LV) sites with and without concealed entrainment (CE) in patients with prior myocardial infarction...
  84. ncbi 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...