HEARING LOSS IN PATIENTS WITH MYELOMENINGOCELE<br>—CASES DISCUSSION ABOUT HEARING LOSS IN PATIENTS WITH SPINA BIFIDA—

DOI
  • Rikitake Masahiro
    Department of Otorhinolaryngology, The Jikei University School of Medicine
  • Kaga Kimitaka
    National Institute of Sensory Organs, National Tokyo Medical Center

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Other Title
  • 脊髄髄膜瘤と難聴<br>—二分脊椎患者における難聴との検討—

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Abstract

Spina bifida is a neural tube defect caused by rachischisis or incomplete closure of the spinal column. Spina bifida is associated with hydrocephalus, meningitis, urinary disorders, muscle disorders (dyschezia, weakening, and paralysis), and reduction in sensitivity, however, to a lesser extent than rachischisis. Although few studies have reported hearing loss in patients with spina bifida, these patients with hearing impairment are commonly encountered. Patients with spina bifida are susceptible to meningitis, and hearing loss is a side effect of the drugs used for the treatment of this infection. Spina bifida may be classified into “spina bifida cystica” or “spina bifida occulta”. Patients with spina bifida occulta have severe disorders and require surgical procedures early after birth; this condition is classified as myelomeningocele. We detected hearing loss in 6 patients with myelomeningocele who underwent medical examination at the national rehabilitation center for children with disabilities in the past 15 years. The hearing level varied from normal hearing to severe hearing loss. Three of the 6 patients were hard of hearing. The hearing loss was due to the combined effect of other disease and central hearing loss caused by hydrocephalus.

Journal

  • JIBI INKOKA TEMBO

    JIBI INKOKA TEMBO 55 (4), 212-217, 2012

    Society of Oto-rhino-laryngology Tokyo

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