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Published on: March 28, 2012
Immunological study on association between mumps and infantile unilateral deafness
K Koga1, N Kawashiro, T Nakayama
1Department of Otolaryngology, National Children's Hospital, Tokyo, Japan.
Acta Oto-Laryngologica. Supplementum
|January 1, 1988
Summary
Asymptomatic mumps infection may cause unilateral deafness in children. This study found a higher mumps infection rate in 4-year-olds with unilateral deafness, suggesting a link.
Area of Science:
- Pediatrics
- Infectious Diseases
- Audiology
Background:
- Unilateral deafness affects approximately 0.1% of primary school children.
- The etiology of many unilateral deafness cases remains unknown.
- Parents and children often do not recognize unilateral hearing loss.
Purpose of the Study:
- To investigate the potential link between mumps virus infection and infantile unilateral deafness.
- To determine if asymptomatic mumps infections contribute to unilateral hearing loss.
Main Methods:
- Analyzed 78 cases of infantile unilateral deafness (ages 3-6).
- Compared mumps infection rates in affected children versus a control group.
- Utilized enzyme-linked immunosorbent assay (ELISA) IgG and IgM antibody tests to detect mumps infection.
- Examined 5 cases of sudden hearing loss using ELISA IgM tests.
Main Results:
- The 4-year-old subgroup with unilateral deafness showed a nearly twofold higher mumps infection rate compared to controls.
- ELISA IgG testing revealed a significantly higher positive reaction to mumps in 4-year-olds with no prior mumps history.
- ELISA IgM testing confirmed asymptomatic mumps infection as a cause of sudden bilateral deafness in a 1.9-year-old child.
Conclusions:
- Asymptomatic mumps virus infection is a potential cause of infantile unilateral deafness.
- Early detection and diagnosis of mumps are crucial for preventing hearing loss.
- Further research is warranted to elucidate the full impact of mumps on pediatric hearing health.
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