Julia M Moser1, Stephan Willems1, Dietrich Andresen2, Johannes Brachmann3, Lars Eckardt4, Ellen Hoffmann5, Karl-Heinz Kuck6, Thorsten Lewalter7, Burghard Schumacher8, Stefan G Spitzer9, Matthias Hochadel10, Jochen Senges10, Boris A Hoffmann11. 1. Department of Cardiology-Electrophysiology, University Hospital Hamburg, University Heart Center, Hamburg, Germany. 2. Department of Cardiology and Internal Medicine, Evangelisches Krankenhaus Hubertus, Charité Berlin, Berlin, Germany. 3. Hospital Klinikum Coburg, Teaching Hospital of the University of Würzburg, Coburg, Germany. 4. Division of Electrophysiology, Department of Cardiology and Angiology, University of Münster, Münster, Germany. 5. Department of Cardiology and Internal Intensive Care Medicine, Heart Center Munich-Bogenhausen, Munich Municipal Hospital Group, Munich, Germany. 6. Department of Cardiology, Asklepios Klinik St. Georg, Hamburg, Germany. 7. Department of Cardiology and Intensive Care, Peter Osypka Heart Center Munich, Hospital Munich-Thalkirchen, Munich, Germany. 8. 2nd Department of Medicine, Westpfalz-Klinikum, Kaiserslautern, Germany. 9. Praxisklinik Herz und Gefäße-Teaching Hospital of the Technical University of Dresden, Germany. 10. Institute for Myocardial Infarction Research (IHF), Ludwigshafen, Germany. 11. Department of Cardiology II/Electrophysiology; Center of Cardiology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany.
Abstract
INTRODUCTION: Despite a rising demand for catheter ablation (CA) of atrial fibrillation (AF) in an elderly population, complication and success rates are not fully elucidated. We sought to compare complication rates of CA of AF in patients ≥75 versus <75 years of age. METHODS AND RESULTS: Patients with symptomatic, drug-refractory AF were prospectively enrolled from January 2007 to 2010 in this multicenter study. A total of 4,449 patients, group 1 ≥75 years and group 2 <75 years (n = 227, age 77.3 ± 2.2 vs. 59.7 ± 9.8 years, 52.0% vs. n = 4,222, 68.9% male, CHA2 DS2 -VASc-Score 3.7 ± 1.0 vs. 1.7 ± 1.2; P < 0.001, respectively), with paroxysmal AF (59.9% in group 1 vs. 63.3% in group 2, P = 0.30), and persistent AF (34.8% in group 1 vs. 29.4% in group 2, P = 0.082) underwent CA of AF. A centralized follow-up was obtained in 4,347 patients by the Institute for Myocardial Infarction Research (IHF, Ludwigshafen). There was a significant difference between periprocedural stroke rates in the elderly versus the younger cohort (1.3% vs. 0.1%, P < 0.01). In-hospital severe nonfatal complications did not differ significantly between the groups (4.4% vs. 2.7%, P = 0.14). Other procedure-related, in-hospital complications were not significantly different. After a mean follow-up of 472 ± 99 days (group 1) and 477 ± 94 days (group 2), no differences were found in complication rates. CONCLUSION: CA of AF in patients ≥75 years is associated with higher in-hospital stroke rates. In a 1-year follow-up, complication rates do not differ between the groups.
INTRODUCTION: Despite a rising demand for catheter ablation (CA) of atrial fibrillation (AF) in an elderly population, complication and success rates are not fully elucidated. We sought to compare complication rates of CA of AF in patients ≥75 versus <75 years of age. METHODS AND RESULTS:Patients with symptomatic, drug-refractory AF were prospectively enrolled from January 2007 to 2010 in this multicenter study. A total of 4,449 patients, group 1 ≥75 years and group 2 <75 years (n = 227, age 77.3 ± 2.2 vs. 59.7 ± 9.8 years, 52.0% vs. n = 4,222, 68.9% male, CHA2 DS2 -VASc-Score 3.7 ± 1.0 vs. 1.7 ± 1.2; P < 0.001, respectively), with paroxysmal AF (59.9% in group 1 vs. 63.3% in group 2, P = 0.30), and persistent AF (34.8% in group 1 vs. 29.4% in group 2, P = 0.082) underwent CA of AF. A centralized follow-up was obtained in 4,347 patients by the Institute for Myocardial Infarction Research (IHF, Ludwigshafen). There was a significant difference between periprocedural stroke rates in the elderly versus the younger cohort (1.3% vs. 0.1%, P < 0.01). In-hospital severe nonfatal complications did not differ significantly between the groups (4.4% vs. 2.7%, P = 0.14). Other procedure-related, in-hospital complications were not significantly different. After a mean follow-up of 472 ± 99 days (group 1) and 477 ± 94 days (group 2), no differences were found in complication rates. CONCLUSION: CA of AF in patients ≥75 years is associated with higher in-hospital stroke rates. In a 1-year follow-up, complication rates do not differ between the groups.
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