M O Sweeney

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. ncbi request reprint Novel cause of spurious mode switching in dual-chamber pacemakers: atrioventricular desynchronization arrhythmia
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 13:616-9. 2002
  2. ncbi request reprint The nature of the game
    Michael O Sweeney
    J Cardiovasc Electrophysiol 16:483-5. 2005
  3. ncbi request reprint Wide right
    Michael O Sweeney
    Heart Rhythm 2:616-8. 2005
  4. ncbi request reprint Multicenter, prospective, randomized safety and efficacy study of a new atrial-based managed ventricular pacing mode (MVP) in dual chamber ICDs
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 16:811-7. 2005
  5. ncbi request reprint A new paradigm for physiologic ventricular pacing
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Am Coll Cardiol 47:282-8. 2006
  6. doi request reprint Response to the Center for Medicare & Medicaid Services coverage with evidence development request for primary prevention implantable cardioverter-defibrillators: data from the OMNI study
    Michael O Sweeney
    Cardiac Pacing and Heart Failure Device Therapies, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    Heart Rhythm 9:1058-66. 2012
  7. ncbi request reprint Prospective randomized comparison of 50%/50% versus 65%/65% tilt biphasic waveform on defibrillation in humans
    M O Sweeney
    Cardiovascular Division, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    Pacing Clin Electrophysiol 24:60-5. 2001
  8. doi request reprint Reduced ejection fraction, sudden cardiac death, and heart failure death in the mode selection trial (MOST): implications for device selection in elderly patients with sinus node disease
    Michael O Sweeney
    Brigham and Women s Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 19:1160-6. 2008
  9. doi request reprint Severe atrioventricular decoupling, uncoupling, and ventriculoatrial coupling during enhanced atrial pacing: incidence, mechanisms, and implications for minimizing right ventricular pacing in ICD patients
    Michael O Sweeney
    Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 19:1175-80. 2008
  10. ncbi request reprint Randomized pilot study of a new atrial-based minimal ventricular pacing mode in dual-chamber implantable cardioverter-defibrillators
    Michael O Sweeney
    Brigham and Women s Hospital and Harvard Medical School, Boston, Massachusetts, USA
    Heart Rhythm 1:160-7. 2004

Detail Information

Publications55

  1. ncbi request reprint Novel cause of spurious mode switching in dual-chamber pacemakers: atrioventricular desynchronization arrhythmia
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 13:616-9. 2002
    ..This report describes a novel cause of spurious mode switching, AV desynchronization arrhythmia. Clinical manifestations, recognition, and management are discussed...
  2. ncbi request reprint The nature of the game
    Michael O Sweeney
    J Cardiovasc Electrophysiol 16:483-5. 2005
  3. ncbi request reprint Wide right
    Michael O Sweeney
    Heart Rhythm 2:616-8. 2005
  4. ncbi request reprint Multicenter, prospective, randomized safety and efficacy study of a new atrial-based managed ventricular pacing mode (MVP) in dual chamber ICDs
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 16:811-7. 2005
    ..We hypothesized that a new managed ventricular pacing mode (MVP) would safely provide AAI/R pacing with ventricular monitoring and DDD/R during AV block (AVB) and reduce Cum%VP compared to DDD/R...
  5. ncbi request reprint A new paradigm for physiologic ventricular pacing
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Am Coll Cardiol 47:282-8. 2006
    ..Awareness of the problem of desynchronization should also lead to more regular monitoring of cardiac pump function and mechanical asynchrony in any patient with ventricular pacing...
  6. doi request reprint Response to the Center for Medicare & Medicaid Services coverage with evidence development request for primary prevention implantable cardioverter-defibrillators: data from the OMNI study
    Michael O Sweeney
    Cardiac Pacing and Heart Failure Device Therapies, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    Heart Rhythm 9:1058-66. 2012
    ....
  7. ncbi request reprint Prospective randomized comparison of 50%/50% versus 65%/65% tilt biphasic waveform on defibrillation in humans
    M O Sweeney
    Cardiovascular Division, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    Pacing Clin Electrophysiol 24:60-5. 2001
    ....
  8. doi request reprint Reduced ejection fraction, sudden cardiac death, and heart failure death in the mode selection trial (MOST): implications for device selection in elderly patients with sinus node disease
    Michael O Sweeney
    Brigham and Women s Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 19:1160-6. 2008
    ..Sudden Cardiac Death in Elderly Pacemaker Patients...
  9. doi request reprint Severe atrioventricular decoupling, uncoupling, and ventriculoatrial coupling during enhanced atrial pacing: incidence, mechanisms, and implications for minimizing right ventricular pacing in ICD patients
    Michael O Sweeney
    Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 19:1175-80. 2008
    ..AV Decoupling During Enhanced AAIR Pacing...
  10. ncbi request reprint Randomized pilot study of a new atrial-based minimal ventricular pacing mode in dual-chamber implantable cardioverter-defibrillators
    Michael O Sweeney
    Brigham and Women s Hospital and Harvard Medical School, Boston, Massachusetts, USA
    Heart Rhythm 1:160-7. 2004
    ....
  11. ncbi request reprint Association of prolonged QRS duration with death in a clinical trial of pacemaker therapy for sinus node dysfunction
    Michael O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    Circulation 111:2418-23. 2005
    ..The relationship of baseline QRSd to death and heart failure hospitalization in patients with sinus node dysfunction who require pacemaker therapy is unknown...
  12. ncbi request reprint Minimizing ventricular pacing to reduce atrial fibrillation in sinus-node disease
    Michael O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, Boston, MA 02115, USA
    N Engl J Med 357:1000-8. 2007
    ....
  13. ncbi request reprint Appropriate and inappropriate ventricular therapies, quality of life, and mortality among primary and secondary prevention implantable cardioverter defibrillator patients: results from the Pacing Fast VT REduces Shock ThErapies (PainFREE Rx II) trial
    Michael O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital and Harvard Medical School, Boston, Mass 02115, USA
    Circulation 111:2898-905. 2005
    ....
  14. ncbi request reprint Bradycardia pacing-induced short-long-short sequences at the onset of ventricular tachyarrhythmias: a possible mechanism of proarrhythmia?
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Am Coll Cardiol 50:614-22. 2007
    ..The purpose of this study was to characterize interactions between normal pacing system operation and the initiating sequence of ventricular tachycardia (VT)/ventricular fibrillation (VF)...
  15. ncbi request reprint Heart failure during cardiac pacing
    Michael O Sweeney
    Brigham and Women s Hospital, Harvard Medical School, Boston, MA, USA
    Circulation 113:2082-8. 2006
    ..The adverse effects of ventricular desynchronization may explain the association of RVA pacing with an increased risk of heart failure hospitalization (HFH) in clinical trials...
  16. ncbi request reprint Clustering of sudden death and aborted cardiac arrest associated with a family grief reaction
    Michael O Sweeney
    Harvard Medical School, Boston, MA 02115, USA
    Heart Rhythm 4:952-5. 2007
  17. ncbi request reprint Minimizing right ventricular pacing: a new paradigm for cardiac pacing in sinus node dysfunction
    Michael O Sweeney
    Harvard Medical School, Boston, MA, USA
    Am Heart J 153:34-43. 2007
  18. ncbi request reprint Antitachycardia pacing for ventricular tachycardia using implantable cardioverter defibrillators:
    Michael O Sweeney
    CRM Research, Cardiac Arrhythmia Service, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
    Pacing Clin Electrophysiol 27:1292-305. 2004
  19. ncbi request reprint The Managed Ventricular pacing versus VVI 40 Pacing (MVP) Trial: clinical background, rationale, design, and implementation
    Michael O Sweeney
    Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 17:1295-8. 2006
    ..Right ventricular apical (RVA) pacing has been implicated in worsening heart failure and death. The optimal pacemaker mode for bradycardia support while minimizing unnecessary and potentially harmful RVA pacing has not been determined...
  20. ncbi request reprint Adverse effect of ventricular pacing on heart failure and atrial fibrillation among patients with normal baseline QRS duration in a clinical trial of pacemaker therapy for sinus node dysfunction
    Michael O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital and Harvard Medical School, 75 Francis St, Boston, Mass 02115, USA
    Circulation 107:2932-7. 2003
    ..The effect of pacing-induced ventricular desynchronization in patients with normal baseline QRSd is unknown...
  21. doi request reprint Atrial pacing or ventricular backup-only pacing in implantable cardioverter-defibrillator patients
    Michael O Sweeney
    Cardiac Pacing and Heart Failure Device Therapies, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    Heart Rhythm 7:1552-60. 2010
    ..The need for pacing support in typical ICD patients is unknown...
  22. ncbi request reprint Exploding implantable cardioverter defibrillator
    M O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 12:1422-4. 2001
    ..Device analysis confirmed a shorted transistor in the high-voltage output circuit. Unsuspected physical contact between high-voltage electrodes of opposite polarity within the pocket can cause catastrophic ICD system failure...
  23. ncbi request reprint Implantable cardioverter defibrillators in heart failure
    M O Sweeney
    Cardiac Arrhythmia Service, Cardiovascular Division, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts, USA
    Cardiol Clin 19:653-67. 2001
    ..Future devices will incorporate features that have the potential to reduce atrial arrhythmias, improve ventricular function, monitor hemodynamics, and prevent sudden arrhythmic death...
  24. doi request reprint Differences in effects of electrical therapy type for ventricular arrhythmias on mortality in implantable cardioverter-defibrillator patients
    Michael O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    Heart Rhythm 7:353-60. 2010
    ..It is unknown whether this is due to the ventricular arrhythmia (VA) or shocks and whether antitachycardia pacing (ATP) termination can reduce this risk...
  25. doi request reprint Analysis of ventricular activation using surface electrocardiography to predict left ventricular reverse volumetric remodeling during cardiac resynchronization therapy
    Michael O Sweeney
    Brigham and Women s Hospital, Boston, MA 02115, USA
    Circulation 121:626-34. 2010
    ..We hypothesized that reverse remodeling is predicted by the left bundle branch block ventricular activation sequence, the paced activation sequence, and interactions between these 2 conditions...
  26. ncbi request reprint Prospective randomized study of mode switching in a clinical trial of pacemaker therapy for sinus node dysfunction
    Michael O Sweeney
    Brigham and Women s Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 15:153-60. 2004
    ..Mode switching (MS) reduces RVP, but its clinical benefit in patients with SND is unknown...
  27. ncbi request reprint Provoked and spontaneous high-frequency, low-amplitude, respirophasic noise transients in patients with implantable cardioverter defibrillators
    M O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    J Cardiovasc Electrophysiol 12:402-10. 2001
    ..The incidence of OS and its relationship to clinical variables and ICD system design are unknown...
  28. ncbi request reprint Upgrade of permanent pacemakers and single chamber implantable cardioverter defibrillators to pectoral dual chamber implantable cardioverter defibrillators: indications, surgical approach, and long-term clinical results
    Michael O Sweeney
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachussetts, USA
    Pacing Clin Electrophysiol 25:1715-23. 2002
    ..Preexisting transvenous leads can be successfully incorporated into new DDDR ICDs, simplifying the surgical procedure, minimizing transvenous hardware, and eliminating the possibility of hazardous pacemaker-ICD interactions...
  29. ncbi request reprint Recalls and safety alerts involving pacemakers and implantable cardioverter-defibrillator generators
    W H Maisel
    Cardiovascular Division, Brigham and Women s Hospital, 75 Francis St, Boston, MA 02115, USA
    JAMA 286:793-9. 2001
    ..Despite increasingly frequent device implantation, pacemaker and ICD recalls and safety alerts (advisories) remain poorly characterized...
  30. ncbi request reprint Single site left ventricular pacing for cardiac resynchronization
    William G Stevenson
    Cardiovascular Division, Department of Internal Medicine, Brigham and Women s Hospital, 75 Francis St, Boston, Mass 02115, USA
    Circulation 109:1694-6. 2004
  31. ncbi request reprint Patient-specific computational analysis of transvenous defibrillation: a comparison to clinical metrics in humans
    Daniel Mocanu
    Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Ann Biomed Eng 32:775-83. 2004
    ..However, inspection of the weak potential gradient field in all nine patients revealed a relationship between the degree of dispersion of the weak field and the clinical DFT, which may help identify high DFT patients...
  32. ncbi request reprint Socio-economic analysis of cardiac resynchronization therapy
    Michael E Field
    Cardiac Arrhythmia Service, Brigham and Women s Hospital, Boston, MA, 02115, USA
    J Interv Card Electrophysiol 17:225-36. 2006
    ....
  33. ncbi request reprint Management of arrhythmias in heart failure
    William G Stevenson
    Cardiovascular Division, Brigham and Women s Hospital, Boston, MA 02115, USA
    Cardiol Rev 10:8-14. 2002
    ..Ongoing trials will provide further guidance for arrhythmia management...
  34. ncbi request reprint Cardiology patient page. Cardiac resynchronization therapy: a patient's guide
    Julie B Shea
    Brigham and Women s Hospital and Harvard Medical School, Boston, Mass 02115, USA
    Circulation 108:e64-6. 2003
  35. ncbi request reprint A comparison of biventricular and conventional transvenous defibrillation: a computational study using patient derived models
    Daniel Mocanu
    Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, USA
    Pacing Clin Electrophysiol 27:586-93. 2004
    ..05) with the DFT decreasing in some patients and increasing in others. These results suggest that patient-specific computational models may be able to identify those patients who would most benefit from a biventricular configuration...
  36. doi request reprint ACC/AHA/HRS 2008 guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: executive summary
    Andrew E Epstein
    Heart Rhythm 5:934-55. 2008
  37. doi request reprint ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the ACC/AHA/NASPE 2002 Guideline
    Andrew E Epstein
    J Am Coll Cardiol 51:e1-62. 2008
  38. ncbi request reprint "The world is not black and white. More like black and gray"
    Michael O Sweeney
    J Cardiovasc Electrophysiol 19:28-31. 2008
  39. ncbi request reprint Impact of rate-modulated pacing on quality of life and exercise capacity--evidence from the Advanced Elements of Pacing Randomized Controlled Trial (ADEPT)
    Gervasio A Lamas
    Division of Cardiology, Mount Sinai Medical Center, Miami Beach, Florida 33140, USA
    Heart Rhythm 4:1125-32. 2007
    ..Ninety-nine percent of pacemakers implanted in the United States include an option for rate modulation...
  40. ncbi request reprint In a footnote, at least
    Michael O Sweeney
    Heart Rhythm 3:1207-9. 2006
  41. ncbi request reprint Ventricular pacing or dual-chamber pacing for sinus-node dysfunction
    Gervasio A Lamas
    Division of Cardiology, Mount Sinai Medical Center, and the University of Miami School of Medicine, Miami Beach, Fla, USA
    N Engl J Med 346:1854-62. 2002
    ..However, it is unknown which type of pacing results in the better outcome...
  42. ncbi request reprint Prospective randomized multicenter trial of empirical antitachycardia pacing versus shocks for spontaneous rapid ventricular tachycardia in patients with implantable cardioverter-defibrillators: Pacing Fast Ventricular Tachycardia Reduces Shock Therapies
    Mark S Wathen
    Vanderbilt Page Campbell Heart Institute, Vanderbilt University Medical Center, 2220 Pierce, Nashville, TN 37232, USA
    Circulation 110:2591-6. 2004
    ..Fast VT (FVT) >200 bpm is often treated by shock because of safety concerns, however. This prospective, randomized, multicenter trial compares the safety and utility of empirical ATP with shocks for FVT in a broad ICD population...
  43. ncbi request reprint Clinical assessment and management of patients with implanted cardioverter-defibrillators presenting to nonelectrophysiologists
    William G Stevenson
    Circulation 110:3866-9. 2004
    ....
  44. ncbi request reprint Treatment crossovers did not affect randomized treatment comparisons in the Mode Selection Trial (MOST)
    Anne S Hellkamp
    Duke Clinical Research Institute, Durham, North Carolina, USA
    J Am Coll Cardiol 47:2260-6. 2006
    ..We evaluated the impact of treatment crossovers on study results in the Mode Selection Trial (MOST)...
  45. ncbi request reprint Atrial high rate episodes detected by pacemaker diagnostics predict death and stroke: report of the Atrial Diagnostics Ancillary Study of the MOde Selection Trial (MOST)
    Taya V Glotzer
    Division of Electrophysiology, Hackensack University Medical Center, Hackensack, NJ, USA
    Circulation 107:1614-9. 2003
    ..The purpose of the study was to correlate atrial high rate events (AHREs) detected by pacemaker diagnostics with clinical outcomes...
  46. ncbi request reprint Heart failure hospitalization is more common in pacemaker patients with sinus node dysfunction and a prolonged paced QRS duration
    Himanshu H Shukla
    University of Missouri Columbia, Columbia, Missouri, USA
    Heart Rhythm 2:245-51. 2005
    ..The purpose of this study was to determine whether a prolonged paced QRS duration increases the risk of cardiac dysfunction...
  47. ncbi request reprint QRS duration does not predict occurrence of ventricular tachyarrhythmias in patients with implanted cardioverter-defibrillators
    Alfred E Buxton
    Cardiology Division, Department of Medicine, Brown Medical School, Providence, Rhode Island 02905, USA
    J Am Coll Cardiol 46:310-6. 2005
    ..The aim of this study was to determine whether QRS duration (QRSd) correlates with occurrence of ventricular arrhythmia in patients with coronary disease (CAD) receiving implantable cardioverter-defibrillators (ICDs)...
  48. ncbi request reprint Overcoming the defects of a virtue: dual-chamber versus single-chamber detection enhancements for implantable defibrillator rhythm diagnosis: the detect supraventricular tachycardia study
    Michael O Sweeney
    Circulation 113:2862-4. 2006
  49. ncbi request reprint A bridge, but to where?
    Michael O Sweeney
    J Cardiovasc Electrophysiol 14:584-6. 2003
  50. ncbi request reprint A comparison of the output characteristics of several implantable cardioverter-defibrillators
    Apiradee Thammanomai
    Department of Biomedical Engineering, Boston University, Massachusetts 02215, USA
    Heart Rhythm 3:1053-9. 2006
    ..However, despite wide clinical use, there are no generally accepted standardized protocols to characterize and report the output capabilities of ICDs...
  51. ncbi request reprint Delayed presentation of totally avulsed right superior vena cava after extraction of permanent pacemaker lead
    Marzia Leacche
    Pacing Clin Electrophysiol 27:262-3. 2004
    ..The right SVC was found to be almost completely destroyed with only a thin strip of the lateral wall intact and active bleeding. The probable causative mechanisms and surgical management are discussed...
  52. ncbi request reprint Rules of evidence: CMS and primary prevention of sudden cardiac death in systolic heart failure
    Michael O Sweeney
    Pacing Clin Electrophysiol 28:81-8. 2005
  53. doi request reprint ACC/AHA/HRS 2008 Guidelines for device-based therapy of cardiac rhythm abnormalities
    Andrew E Epstein
    Heart Rhythm 5:e1-62. 2008
  54. doi request reprint ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Revise the ACC/AHA/NASPE 2002 Guideline
    Andrew E Epstein
    Circulation 117:e350-408. 2008
  55. ncbi request reprint Minimizing right ventricular pacing
    S Serge Barold
    University of South Florida College of Medicine and Tampa General Hospital, USA
    Am J Cardiol 95:966-9. 2005