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  • Title: Cost effectiveness of cardiac resynchronization therapy in the Comparison of Medical Therapy, Pacing, and Defibrillation in Heart Failure (COMPANION) trial.
    Author: Feldman AM, de Lissovoy G, Bristow MR, Saxon LA, De Marco T, Kass DA, Boehmer J, Singh S, Whellan DJ, Carson P, Boscoe A, Baker TM, Gunderman MR.
    Journal: J Am Coll Cardiol; 2005 Dec 20; 46(12):2311-21. PubMed ID: 16360064.
    Abstract:
    OBJECTIVES: The analysis goal was to estimate incremental cost-effectiveness ratios (ICERs) for the Comparison of Medical Therapy, Pacing, and Defibrillation in Heart Failure (COMPANION) trial patients who received cardiac resynchronization therapy (CRT) via pacemaker (CRT-P) or pacemaker-defibrillator (CRT-D) in combination with optimal pharmacological therapy (OPT) relative to patients with OPT alone. BACKGROUND: In the COMPANION trial, CRT-P and CRT-D reduced the combined risk of all-cause mortality or first hospitalization among patients with advanced heart failure and intraventricular conduction delays, but the cost effectiveness of the therapy remains unknown. METHODS: In this analysis, intent-to-treat trial data were modeled to estimate the cost effectiveness of CRT-D and CRT-P relative to OPT over a base-case seven-year treatment episode. Exponential survival curves were derived from trial data and adjusted by quality-of-life trial results to yield quality-adjusted life-years (QALYs). For the first two years, follow-up hospitalizations were based on trial data. The model assumed equalized hospitalization rates beyond two years. Initial implantation and follow-up hospitalization costs were estimated using Medicare data. RESULTS: Over two years, follow-up hospitalization costs were reduced by 29% for CRT-D and 37% for CRT-P. Extending the cost-effectiveness analysis to a seven-year base-case time period, the ICER for CRT-P was 19,600 dollars per QALY and the ICER for CRT-D was 43,000 dollars per QALY relative to OPT. CONCLUSIONS: For the COMPANION trial patients, the use of CRT-P and CRT-D was associated with a cost-effectiveness ratio below generally accepted benchmarks for therapeutic interventions of 50,000 dollars per QALY to 100,000 dollars per QALY. This suggests that the clinical benefits of CRT-P and CRT-D can be achieved at a reasonable cost.
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