European Heart Journal Advance Access published online on June 2, 2008
European Heart Journal, doi:10.1093/eurheartj/ehn237
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2008. For permissions please email: journals.permissions@oxfordjournals.org
Cardiac resynchronization therapy and atrial fibrillation. Do we have a final answer?
Department of Cardiology, Rennes University Hospital, Rennes, France
* Corresponding author. Tel: +33 2 99 28 25 25, Fax: +33 2 99 28 25 10, Email: christophe.leclercq@chu-rennes.fr
This editorial refers to Long-term survival in patients undergoing cardiac resynchronization therapy: the importance of performing atrio-ventricular junction ablation in patients with permanent atrial fibrillation by M. Gasparini et al. doi:10.1093/eurheartj/ehn133
| The first 150 words of the full text of this article appear below. |
Cardiac resynchronization therapy (CRT) has been extensively studied in a variety of clinical trials including >4000 patients in stable sinus rhythm (SR).1 The recently issued European Society of Cardiology guidelines for cardiac pacing and CRT strongly recommend the latter for patients in SR who present with moderate to severe heart failure (HF), left ventricular (LV) systolic dysfunction, and a wide QRS complex, with a view to lower mortality and morbidity. These guidelines assigned a class I, level of evidence A, for the implantation of a CRT pacemaker, and level of evidence B for a CRT intracardiac cardioverter defibrillator (ICD).1 Surprisingly, despite the high prevalence of permanent atrial fibrillation (AF) observed among patients suffering from moderate to severe HF, CRT has not been tested in a large, randomized clinical trial dedicated to patients in permanent AF. The likelihood of co-existent AF and chronic HF is strongly related to the severity of
CRT in the presence of AF
Observational studies
Randomized trials
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- Long-term survival in patients undergoing cardiac resynchronization therapy: the importance of performing atrio-ventricular junction ablation in patients with permanent atrial fibrillation
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