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Cost-utility of cochlear implantation in single-sided deafness and asymmetric hearing loss: results of a randomized controlled trial
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Edité par CCSD ; Springer Verlag -
International audience. Abstract Objectives To determine the Incremental Cost-Utility Ratio (ICUR) of cochlear implantation in the treatment of adult patients with single-sided deafness (SSD) and asymmetric hearing loss (AHL). Methods This prospective multicenter pragmatic study including a randomized controlled trial (RCT) enrolled 155 subjects with SSD or AHL. Subjects chose a treatment option between: abstention, Contralateral Routing Of the Signal hearing aids, Bone Conduction Device or Cochlear Implant (CI). Participants who opted for CI were then randomized between two arms: “immediate CI” where the cochlear implantation was performed within one month and “initial observation” where subjects were first observed. The ICUR of CI was determined at 6 months follow-up by comparing the two arms. Utility was measured using EuroQoL- 5 dimensions (EQ-5D), to calculate the gain in Quality-Adjusted Life Years (QALY). Individual costs were extracted from the French National Health Insurance database. A Markovian MultiState (MMS) model assessed the ICUR evolution over the lifetime horizon. Results Among the 155 included participants, 51 opted for a CI and were randomized. For a 6 months follow-up period, the ICUR was €422,279/QALY gained after CI. Using the MMS model, the ICUR of CI decreased to €57,561/QALY at 10 years follow-up, €38,006/QALY at 20 years, and dropped to €26,715 at 50 years. In the participants with severe tinnitus, mean ICUR was €31,105/QALY at 10 years. Conclusions CI can be considered as an efficient treatment in SSD and AHL from 20 years follow-up in the global population, and before 10 years follow-up in patients with severe associated tinnitus.
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