Affiliation: Harvard University
- Comparison of nested case-control and survival analysis methodologies for analysis of time-dependent exposureVidal Essebag
Division of Cardiology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA, USA
BMC Med Res Methodol 5:5. 2005..This study compares a nested case-control approach for the study of time-dependent exposure with cohort analysis using Cox regression including time-dependent covariates...
- Left atrial function and scar after catheter ablation of atrial fibrillationJohn V Wylie
Cardiovascular Division, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
Heart Rhythm 5:656-62. 2008..Catheter ablation of atrial fibrillation (AF) involves extensive radiofrequency ablation (RFA) of the left atrium (LA) around the pulmonary veins. The effect of this therapy on LA function is not fully characterized...
- Healthcare resource utilization and costs associated with recurrent episodes of atrial fibrillation: the FRACTAL registryMatthew R Reynolds
Beth Israel Deaconess Medical Center, Division of Cardiology, Boston, MA 02215, USA
J Cardiovasc Electrophysiol 18:628-33. 2007..We sought to characterize the resource utilization and costs of treating new-onset AF, with emphasis on the incremental costs associated with recurrent episodes of AF over time...
- Bi-directional electrical pulmonary vein isolation as an endpoint for ablation of paroxysmal atrial fibrillationVidal Essebag
Harvard-Thorndike Electrophysiology Institute Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, MA, USA
J Interv Card Electrophysiol 17:111-7. 2006..Avoidance of routine additional left atrial ablation lines may decrease the risk of atrial tachycardia and esophageal fistula...
- Inducibility of atrial fibrillation with a synchronized external low energy shock post-pulmonary vein isolation predicts recurrent atrial fibrillationJohn V Wylie
Harvard Thorndike Electrophysiology Institute, Cardiovascular Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
J Cardiovasc Electrophysiol 20:29-36. 2009..Inducibility of atrial fibrillation (AF) with burst pacing after pulmonary vein (PV) isolation is associated with recurrent AF...
- Effect of amiodarone dose on the risk of permanent pacemaker insertionVidal Essebag
Division of Cardiology, Beth Israel Deaconess Medical Center, Harvard University, Boston, Massachusetts, USA
Pacing Clin Electrophysiol 27:1519-25. 2004..This study suggests that there is a dose dependent increased risk of permanent pacemaker insertion associated with amiodarone use that appears to be greatest during the initial months of treatment...
- Comparative effectiveness of rhythm control vs rate control drug treatment effect on mortality in patients with atrial fibrillationRaluca Ionescu-Ittu
Harvard School of Public Health, Harvard University, Boston, Massachusetts, USA
Arch Intern Med 172:997-1004. 2012..We aimed to determine whether the 2 strategies have similar effectiveness when applied to a general population of patients with AF with longer follow-up...
- Influence of age, sex, and atrial fibrillation recurrence on quality of life outcomes in a population of patients with new-onset atrial fibrillation: the Fibrillation Registry Assessing Costs, Therapies, Adverse events and Lifestyle (FRACTAL) studyMatthew R Reynolds
Division of Cardiology, Beth Israel Deaconess Medical Center, 185 Pilgrim Road Baker 4, Boston, MA 02215, USA
Am Heart J 152:1097-103. 2006..We sought to characterize symptoms and QoL in a large inception cohort of unselected patients with AF and explore the impact of age, sex, and AF clinical course on QoL measures over time...
- Patterns and predictors of warfarin use in patients with new-onset atrial fibrillation from the FRACTAL RegistryMatthew R Reynolds
Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Am J Cardiol 97:538-43. 2006..The discontinuation of warfarin in a large number of patients with AF over time is a cause for concern in light of data from recent clinical trials...
- Detection of pulmonary vein and left atrial scar after catheter ablation with three-dimensional navigator-gated delayed enhancement MR imaging: initial experienceDana C Peters
Department of Medicine, Cardiovascular Division, Beth Israel Deaconess Medical Center and Harvard Medical School, 330 Brookline Ave, RW 453, Boston, MA 02215, USA
Radiology 243:690-5. 2007..To prospectively evaluate whether scar caused by radiofrequency (RF) ablation of the left atrium (LA) in patients with atrial fibrillation can be depicted with high-spatial-resolution delayed enhancement magnetic resonance (MR) imaging...
- Non-inducibility post-pulmonary vein isolation achieving exit block predicts freedom from atrial fibrillationVidal Essebag
Harvard-Thorndike Electrophysiology Institute, Cardiovascular Division, Beth Israel Deaconess Medical Center, 185 Pilgrim Road, Baker 4, Boston, MA 02215, USA
Eur Heart J 26:2550-5. 2005..012) predicted freedom from AF at 12 months. CONCLUSION: Non-inducibility of AF after bi-directional PV isolation predicts maintenance of sinus rhythm. This finding suggests that routine extensive left atrial ablation may be unnecessary...
- Frequency and causes of implantable cardioverter-defibrillator therapies: is device therapy proarrhythmic?Joseph J Germano
Harvard Thorndike Electrophysiology Institute, Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Am J Cardiol 97:1255-61. 2006..These issues clearly affect the overall benefit of device therapy and have important implications for patient management and health care delivery...
- Concealed and manifest 1:2 tachycardia and atrioventricular nodal reentrant tachycardia: manifestations of dual atrioventricular nodal physiologyJoseph J Germano
Harvard-Thorndike Electrophysiology Institute, Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Heart Rhythm 2:536-9. 2005
- Sex differences in the relationship between amiodarone use and the need for permanent pacing in patients with atrial fibrillationVidal Essebag
Division of Cardiology, McGill University Health Center, Montreal, Quebec, Canada
Arch Intern Med 167:1648-53. 2007..The aims of this study were to determine prospectively whether amiodarone increases the need for pacemakers in a general population of patients with AF and whether this effect is modified by sex...
- Amiodarone and the risk of bradyarrhythmia requiring permanent pacemaker in elderly patients with atrial fibrillation and prior myocardial infarctionVidal Essebag
Department of Cardiology and Division of Clinical Epidemiology, McGill University Health Center, Montreal, Canada
J Am Coll Cardiol 41:249-54. 2003..The aim of this study was to determine whether the use of amiodarone in patients with atrial fibrillation (AF) increases the risk of bradyarrhythmia requiring a permanent pacemaker...
- Routine advance directive and organ donation questioning on admission to hospitalVidal Essebag
McGill University Health Centre, 3600 Parc Ave 1203, Montreal QC H2X 3R2, Canada
Ann R Coll Physicians Surg Can 35:225-231. 2002..We also determined whether routine questioning can identify patients interested in organ donation. Finally, we determined whether routine questioning helps train housestaff to discuss end-of-life issues with patients...
- Assessment of the cardiac patient for fitness to fly: flying subgroup executive summaryDavid Ross
The University of Alberta, Edmonton, Canada
Can J Cardiol 20:1321-3. 2004
- Outcome of the Fidelis implantable cardioverter-defibrillator lead advisory: a report from the Canadian Heart Rhythm Society Device Advisory CommitteeAndrew D Krahn
London Health Sciences Center, University Campus, 339 Windermere Road, London, Ontario, Canada N6A 5A5
Heart Rhythm 5:639-42. 2008..The Medtronic Sprint Fidelis family of leads has recently been the subject of a widespread advisory. Lead failure rates are estimated at 2.3% at 30 months, 2.6 times the failure rate of the reference Medtronic 6947 lead...
- The nested case-control study in cardiologyVidal Essebag
Division of Cardiology, McGill University Health Center, Montreal, Quebec, Canada
Am Heart J 146:581-90. 2003....
- Expanding indications for defibrillators after myocardial infarction: risk stratification and cost effectivenessVidal Essebag
Jewish General Hospital, McGill University, Montreal, Quebec, Canada
Card Electrophysiol Rev 7:43-8. 2003..Predictors of subsets of MADIT II patients most likely to benefit from ICD therapy are urgently needed in order to prioritize allocation of healthcare resources...
- Effectiveness of catheter ablation of atrial fibrillationVidal Essebag
Eur Heart J 27:130-1. 2006