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Characterization and financial impact of implantable cardioverter-defibrillator patients without interventions 5 years after implantation

Reichlin, T. and Kühne, M. and Sticherling, C. and Osswald, S. and Schaer, B.. (2011) Characterization and financial impact of implantable cardioverter-defibrillator patients without interventions 5 years after implantation. QJM: An International Journal of Medicine, 104 (10). pp. 849-857.

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Official URL: http://edoc.unibas.ch/dok/A5843831

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Abstract

BACKGROUND: Implantable cardioverter defibrillators (ICD's) are increasingly used for primary and secondary prevention of sudden cardiac death. However, data on how many ICD patients indeed receive appropriate ICD therapy during long-term follow-up is scarce. AIM: The aim of our study was to determine the number of patients without appropriate ICD therapy 5 years after ICD implantation, to identify predicting factors, to assess the occurrence of late first ICD therapy and to quantify the financial impact of ICD therapy in a real-world setting. DESIGN: Prospective observational study. METHODS: We prospectively enrolled 322 consecutive ICD patients. Baseline data were collected at implantation and patients were followed for a median of 7.3 years (IQR 5.8-9.2 years). Time to first appropriate ICD therapy (either antitachycardia pacing or cardioversion) was documented. RESULTS: Five years after implantation, 139 patients (43%) had not received appropriate ICD therapy. In multivariable analysis, a primary prevention indication and negative electrophysiological studies prior to ICD implantation were independent predictors of freedom from ICD therapy. Of the patients without ICD therapy, 5 years after implantation, 25% had experienced inappropriate ICD shocks. Two hundred and seven devices (1.5 devices per patient) were needed for the 139 patients without ICD intervention within 5 years, accounting for ?31?784 per patient. During an additional follow-up of 3 years, 12% of the patients with unused ICD received a late first appropriate ICD therapy. CONCLUSION: About half of the ICD patients receive appropriate ICD therapy within 5 years after implantation. Furthermore, there is a significant proportion of patients receiving late first shocks after five initially uneventful years.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Kardiologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Kardiologie
UniBasel Contributors:Reichlin, Tobias and Sticherling, Christian and Schär, Beat
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Oxford University Press
ISSN:1460-2725
e-ISSN:1460-2393
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:18 Aug 2020 09:19
Deposited On:08 Jun 2012 06:41

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