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Brain abscesses in Northern Ireland: a 30 year community review
Journal of Neurology, Neurosurgery, and Psychiatry
|November 1, 1978
Summary
Incidence of intracranial abscesses declined over 30 years, with males more affected. Chronic suppurative otitis media was the primary cause, and overall mortality remained high.
Area of Science:
- Neurology
- Neurosurgery
- Epidemiology
Background:
- Intracranial abscesses represent a significant neurological challenge.
- Understanding historical trends and etiological factors is crucial for public health.
Purpose of the Study:
- To review 172 cases of intracranial abscesses over 30 years (1947-1976).
- To analyze incidence, demographics, localization, causes, and mortality rates.
Main Methods:
- Retrospective review of neurosurgical and autopsy records from Northern Ireland.
- Data analysis of case incidence, patient sex, abscess location, etiology, and outcomes.
Main Results:
- Incidence decreased from 5 to 3 per million annually.
- Abscesses were more common in males (3:1 ratio).
- Temporal and frontal lobes were most frequently affected; multiple and occipital abscesses had 100% mortality.
- Chronic suppurative otitis media was the leading cause, showing a decline.
- Overall mortality was 70%, but 53% for treated cases.
Conclusions:
- Intracranial abscess incidence has declined, but remains a serious condition.
- Chronic suppurative otitis media is a key preventable cause.
- Prompt neurosurgical intervention improves survival, but mortality remains substantial.