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  • Title: Impact of extending device longevity on the long-term costs of implantable cardioverter-defibrillator therapy: a modelling study with a 15-year time horizon.
    Author: Boriani G, Braunschweig F, Deharo JC, Leyva F, Lubinski A, Lazzaro C.
    Journal: Europace; 2013 Oct; 15(10):1453-62. PubMed ID: 23696624.
    Abstract:
    AIMS: To determine the long-term costs of extending device longevity in four patient populations requiring a single-chamber implantable cardioverter-defibrillator (ICD) or requiring cardiac resynchronization therapy with defibrillation (CRT-D) device over a 15-year time window. METHODS AND RESULTS: We considered patient populations with an accepted indication for a single-chamber ICD for prevention of sudden cardiac death in the context of preserved (Population A) or impaired (Population B) left ventricular function; or with indication for a CRT-D device in the context of heart failure in New York Heart Association class II (Population C) or III (Population D). Expected patient survival and a cost analysis, including the cost of complications, was undertaken from a hospital perspective. Extended device longevity of 5 vs. 9 years for ICDs (Populations A and B); 4 vs. 7 years for CRT-Ds (Populations C and D) were considered. Over a 15-year time horizon, total, yearly, and per diem savings, per patient, from extending ICD longevity to 9 years were €10 926.91, €728.46, and €1.99 for Population A, and €7661.32, €510.75, and €1.40 for Population B. Total, yearly, and per diem savings from extending CRT-D longevity to 7 years were €13 630.38, €908.69, and €2.49 for Population C, and €10 968.29, €731.22, and €2.00 for Population D. Avoidance of a generator replacement amounted up to 46.6-62.5% of the saving. CONCLUSION: Extending device longevity has an important effect on the long-term cost of device therapy, both for ICD and CRT-D. This has important implications for device choice.
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