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  • Title: Outcomes in bilateral cochlear implantation.
    Author: Bichey BG, Miyamoto RT.
    Journal: Otolaryngol Head Neck Surg; 2008 May; 138(5):655-61. PubMed ID: 18439474.
    Abstract:
    OBJECTIVE: The objective of this study was to explore improvements in quality of life and the cost-utility of bilateral cochlear implantation. STUDY DESIGN AND SETTING: A prospective case-control study was conducted on 23 bilateral cochlear implant patients with the Mark III health utility index. RESULTS: Results indicate a 0.48 mean gain in health utility after bilateral cochlear implantation and a discounted cost per quality adjusted life year of $24,859 in this cohort of patients. With a comparison of patient scores for unilateral and bilateral use, improvements in the domains of hearing, speech, emotion, and cognition were noted, resulting in a mean gain in health utility of 0.11. CONCLUSIONS: This study found an improvement in quality of life and a favorable cost-utility associated with bilateral cochlear implantation in patients with profound hearing loss. These patients showed additional improvements in quality of life after they received their second implant. CLINICAL SIGNIFICANCE: This is the first study that showed improvements in quality of life and a favorable cost-utility after bilateral cochlear implantation in patients with profound hearing loss.
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