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OBJECTIVES The aim of this study was to assess the outcomes of cochlear implantation in children with inner ear malformations (IEMs). METHODS A retrospective review of 212 children who received implants from September 1994 to May 2004 was performed. Forty-six of them had radiologic evidence of IEMs. The preoperative evaluations, intraoperative findings,(More)
CONCLUSION Children with auditory neuropathy (AN) obtain considerable benefit from cochlear implantation. Their performance outcomes are as good as those of implanted children with sensorineural hearing loss (SNHL). The neural status of children with AN would be comparable to that of children with SNHL and be suitable for cochlear implantation. OBJECTIVE(More)
Cochlear implantation has revolutionized the treatment and prognosis of children with severe to profound sensorineural hearing loss who receive limited benefits from hearing aids. Children who receive cochlear implantation at young age, in particular before 2 years of age, can be expected to reach their normal age-equivalent developmental milestones and(More)
OBJECTIVES Older children are increasingly deriving binaural benefits from sequential bilateral cochlear implantation, and this procedure should be considered by experienced cochlear implant centers. This study aimed to identify the influence of a long inter-stage interval between two implants in older children. Speech perception and everyday listening(More)
OBJECTIVES To determine the extent to which electrically evoked compound action potential (ECAP) measurements were related with speech perception performance in implant users with a short electrode array and to investigate the relationship between ECAP measures and performance according to specific devices. DESIGN Prospective study. SETTING Tertiary(More)
OBJECTIVE Older adults often have more difficulty understanding speech than younger adults do, particularly in the presence of noise. Such age-related speech perception difficulties may be related to declines in central auditory processing. Additionally, it has been hypothesized that impaired auditory processing might be related to neural dysynchrony. The(More)
OBJECTIVES Videostrobokymography (VSK) has recently been introduced. The aim of this study was to analyze vibratory patterns and objective parameters in various benign vocal fold lesions using VSK and to examine the efficacy of VSK in clinical applications. MATERIAL AND METHODS Using VSK, we analyzed the vibration patterns of normal vocal folds, various(More)
CONCLUSION The results of this study show that the temporal processing ability in children with auditory neuropathy (AN) can be restored to some degree by electrical stimulation through a cochlear implant. In addition, the electrically evoked compound action potential (ECAP) may be a useful index to predict outcomes in implanted children with AN. (More)
CONCLUSION Reactive oxygen species (ROS) and the c-Jun N-terminal kinase (JNK) signaling pathway may be involved in secondary apoptosis of spiral ganglion cells (SGCs) induced by intracochlear gentamicin injection. OBJECTIVES The purpose of this study was to ascertain the role of ROS and the JNK signaling pathway in secondary apoptosis of SGCs induced by(More)
CONCLUSION Children with cochlear aplasia can achieve favorable speech perception abilities from cochlear implantation (CI) by inserting an electrode array into the vestibule if an audiological response is reliably demonstrated before surgery by behavioral audiometry and objective measures. OBJECTIVES The purpose of this study was to evaluate the surgical(More)