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Cochlear implantation in deaf children with white matter abnormality
Song Y.
, Xu L.
, Fan Z.
, Luo J.
, Wang H.
Provincial Hospital Affiliated to Shandong University, Otolaryngology-Head and Neck Surgery, Ji Nan, China, 2Eye&ENT Hospital,
Shandong Provincial Hospital Group, Otolaryngology-Head and Neck Surgery, Ji Nan, China, 3Shandong Institute of Otolaryngology, Ji Nan,
Objective: To investigate the hearing and speech rehabilitation of deaf children with white matter abnormalities
who underwent cochlear implantation.
Methods: 15 deaf children diagnosed with white matter abnormalities received cochlear implants from July 2012
to January 2013 in our hospital, including 9 males and 6 females, aged 3 -6 years old. White matter
abnormalities were confirmed by magnetic resonance imaging(MRI). There were no other developmental
abnormalities like intelligence development and body growth. The control group was composed of 15 cases with
normal brain MRI results, which consist of 11 males and 4 females, aged 3-6 years old. After comprehensive
preoperative assessments, cochlear implantation surgeries were performed via enlarged round window
approach technique, and full electrode (COCHLEAR NUCLEUS CI24RE CA) insertion was achieved. Hearing
and speech rehabilitations were evaluated one year postoperatively.
1. No complications occurred among the both groups, and all patients have hearing sensations
after matching the sound processor.
2. The T level, the C level and the impedances of the electrodes are similar, and there were no
significant differences between the two groups (P> 0.05).
3. One year after surgery, the results of hearing threshold, categories of auditory
performance(CAP), speech intelligibility rating(SIR) and Infant-Toddler Meaningful Auditory
Integration Scale (IT-MAIS) in the white matter abnormality group have no significant differences
in compared with the normal control group (P> 0.05).
Conclusion: The early results of hearing and speech rehabilitation in implanted patients with white matter
abnormality are similar with the normal group, but it is uncertain of the long-term effects, which requires further
This work was supported by the research special fund for public welfare industry of health (201202001).