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  • Title: Comprehensive evaluation of a child with an auditory brainstem implant.
    Author: Eisenberg LS, Johnson KC, Martinez AS, DesJardin JL, Stika CJ, Dzubak D, Mahalak ML, Rector EP.
    Journal: Otol Neurotol; 2008 Feb; 29(2):251-7. PubMed ID: 18025999.
    Abstract:
    OBJECTIVE: We had an opportunity to evaluate an American child whose family traveled to Italy to receive an auditory brainstem implant (ABI). The goal of this evaluation was to obtain insight into possible benefits derived from the ABI and to begin developing assessment protocols for pediatric clinical trials. STUDY DESIGN: Case study. SETTING: Tertiary referral center. PATIENT: Pediatric ABI Patient 1 was born with auditory nerve agenesis. Auditory brainstem implant surgery was performed in December, 2005, in Verona, Italy. The child was assessed at the House Ear Institute, Los Angeles, in July 2006 at the age of 3 years 11 months. Follow-up assessment has continued at the HEAR Center in Birmingham, Alabama. INTERVENTION: Auditory brainstem implant. MAIN OUTCOME MEASURES: Performance was assessed for the domains of audition, speech and language, intelligence and behavior, quality of life, and parental factors. RESULTS: Patient 1 demonstrated detection of sound, speech pattern perception with visual cues, and inconsistent auditory-only vowel discrimination. Language age with signs was approximately 2 years, and vocalizations were increasing. Of normal intelligence, he exhibited attention deficits with difficulty completing structured tasks. Twelve months later, this child was able to identify speech patterns consistently; closed-set word identification was emerging. These results were within the range of performance for a small sample of similarly aged pediatric cochlear implant users. CONCLUSION: Pediatric ABI assessment with a group of well-selected children is needed to examine risk versus benefit in this population and to analyze whether open-set speech recognition is achievable.
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