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Sudden deafness and asymptomatic mumps

Y Nomura1, T Harada, H Sakata

  • 1Department of Otolaryngology, University of Tokyo, Japan.

Insights

Sudden deafness in adults may be linked to subclinical mumps infection. Researchers recommend mumps vaccination to protect hearing in the unaffected ear.

Area of Science:

  • Otolaryngology
  • Virology
  • Immunology

Background:

  • Sudden deafness is an otolaryngologic emergency with various potential causes.
  • Subclinical infections, particularly viral, are increasingly recognized as contributing factors to idiopathic conditions.

Purpose of the Study:

  • To investigate the association between subclinical mumps virus infection and adult-onset sudden deafness.
  • To evaluate the utility of a novel mumps IgM antibody detection method in this context.

Main Methods:

  • Adult patients with sudden deafness were screened for mumps IgM antibodies.
  • A new serological assay was employed for sensitive detection of recent mumps infection.

Main Results:

  • Three out of 53 adult patients (5.7%) with sudden deafness tested positive for mumps IgM antibodies.
  • This suggests a significant correlation between recent mumps infection and the occurrence of sudden deafness.

Conclusions:

  • Subclinical mumps infection is a potential cause of sudden deafness in adults.
  • Mumps vaccination is advised for individuals with unilateral hearing loss to prevent contralateral ear involvement.

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