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Hearing impairment in meningococcal meningitis
Abstract:
Hearing affection as a sequel of meningococcal meningitis and its relation to age, sex, severity and duration of disease was studied in Cairo, Egypt during the period December 1966--December 1973. The total incidence of impaired hearing in the 775 cases was 5.8%. This incidence was higher in the younger age groups, females, severe cases of meningitis and in patients who received specific therapy shortly after the onset of signs and symptoms of the disease. The aetiology of hearing impairment in meningitis was reviewed.
Insights
Meningococcal meningitis can cause hearing loss, affecting 5.8% of patients. Younger individuals, females, and severe cases showed higher incidence, with early treatment potentially increasing risk.
Area of Science:
- Otolaryngology
- Infectious Diseases
- Epidemiology
Background:
- Meningococcal meningitis is a serious infection with potential neurological sequelae.
- Hearing impairment is a recognized but not fully understood complication of meningitis.
Purpose of the Study:
- To investigate the incidence of hearing affection following meningococcal meningitis.
- To determine the relationship between hearing impairment and patient/disease factors.
Main Methods:
- Retrospective study of 775 patients diagnosed with meningococcal meningitis.
- Data collected on age, sex, disease severity, duration, and treatment timing.
- Incidence of hearing impairment was calculated and analyzed.
Main Results:
- Overall incidence of hearing impairment was 5.8%.
- Higher incidence observed in younger age groups, females, and severe meningitis cases.
- Early initiation of specific therapy correlated with increased hearing impairment.
Conclusions:
- Hearing impairment is a significant sequel of meningococcal meningitis.
- Risk factors include young age, female sex, disease severity, and potentially early treatment.
- Further research into the mechanisms of meningitis-induced hearing loss is warranted.