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Introduction and Objectives: The authors summarize the findings of the Spanish Implantable Cardioverter-Defibrillator Registry for 2010 compiled by the Spanish Society of Cardiology Working Group on Implantable Cardioverter-Defibrillators., Methods: Members of the Spanish Society of Cardiology were prospectively surveyed; data were recorded voluntarily by each implantation team on one-page questionnaires., Results: In total, 4627 device implantations were reported, comprising 85.6% of the overall estimated number of implantations. The reported implantation rate was 100.61 per million population and the estimated total implantation rate was 117.50 per million. The proportion of first implantations was 73.87%. We collected data from 143 hospitals (9 more than in 2009). The majority of the implantable cardioverter-defibrillator implantations were performed in men (81%). The mean age was 62.5 ± 13 years. Most of the patients had severe or moderate-to-severe ventricular dysfunction and were in New York Heart Association functional class II. Ischemic heart disease was the most frequent underlying cardiac condition, followed by dilated cardiomyopathy. The number of implantable cardioverter-defibrillator implantations indicated for primary prevention increased over the previous year and now accounts for 65.6% of first implantations. In all, 76.1% of the implantable cardioverter-defibrillator implantations were performed by cardiac electrophysiologists., Conclusions: The 2010 Spanish Implantable Cardioverter-Defibrillator Registry includes data on almost 86% of all the implantable cardioverter-defibrillator implantations performed in Spain. Although the number has continued to increase, it still remains far lower than the European average. There has been a significant increase in the number of implantations indicated for primary prevention., (Copyright © 2011 Sociedad Española de Cardiología. Published by Elsevier Espana. All rights reserved.)

Introduction and Objectives: This article describes the findings of the 2009 Spanish Implantable Cardioverter-Defibrillator (ICD) Registry compiled by the Working Group on Implantable Cardioverter-Defibrillators of the Spanish Society of Cardiology's Electrophysiology and Arrhythmias Section., Methods: Each implantation team voluntarily sent prospective data recorded on a single-page document to the Spanish Society of Cardiology., Results: In total, 4108 device implantations were reported, which comprised 88.6% of the estimated total number of implantations carried out. The number of implants reported corresponded to 89 per million population and the estimated total number was 100.2 per million. The proportion of first implantations among those reported was 71.3%. Data were received from 134 centers, 17 more than in 2008. There continued to be significant regional variations between the various Spanish autonomous regions. The highest implantation rate (81%) was in men (mean age 62 years) who had severe or moderate-to-severe ventricular dysfunction and were in New York Heart Association functional class II. The most common heart condition was ischemic heart disease, followed by dilated cardiomyopathy. Indications for primary prevention accounted for 55.9% of first implantations; this figure was lower than the previous year's for the first time since 2003. The most significant increase observed was in patients with ischemic heart disease., Conclusions: The 2009 Spanish ICD registry included data on almost 89% of all ICD implantations performed in the country. Although the number of implantations has continued to increase, it still remains far from the European average. The percentage of implantations performed for primary prevention was observed to have stabilized.

Introduction and Objectives: To summarize the findings of the Spanish Implantable Cardioverter-Defibrillator (ICD) Registry for 2008 compiled by the Spanish Society of Cardiology Working Group on Implantable Cardioverter-Defibrillators., Methods: Prospective data recorded voluntarily on single-page questionnaires were sent to the Spanish Society of Cardiology by each implantation team., Results: Overall, 3486 device implantations were reported, which is 84.7% of the estimated total number of implantations. The reported implantation rate was 76 per million population and the estimated total implantation rate was 90 per million. The proportion of first implantations was 78.1%. There continued to be substantial regional variations within Spain. The majority of ICD implantations took place in men (mean age 62+/-12 years) who had severe or moderate-to-severe ventricular dysfunction and were in New York Heart Association functional class II. Ischemic heart disease was the most frequent underlying cardiac condition, followed by dilated cardiomyopathy. The number of indications for primary prevention increased relative to the previous year, especially in patients with ischemic cardiomyopathy, and now account for 57% of first implantations. The types of ICD implanted were unchanged from 2007. Overall, 73.6% of ICDs were implanted by cardiac electrophysiologists., Conclusions: The 2008 Spanish ICD Registry includes data on almost 85% of all ICD implantations performed in Spain. Although the number has continued to increase, it still remains far from the European average. There was a significant increase in indications for primary prevention. Substantial regional variations continue to exist within Spain.