Cranial Bruits in Purulent Meningitis in Childhood

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Abstract
The frequency of cranial bruits in 55 patients with purulent meningitis as compared to that of 653 afebrile and 155 febrile patients without meningitis showed that 82 per cent of the patients with purulent meningitis between the ages of three months and five years had cranial bruits whereas bruits were heard in 22 per cent in the febrile control group and 16 per cent in the afebrile control group. The bruits associated with purulent meningitis are usually transitory, lasting one to four days after initiation of therapy. In three of the patients with purulent meningitis cranial bruits recurred in association with the development of subdural effusions. These bruits disappeared as the subdural effusions cleared. Cranial bruits may be another diagnostic point in the recognition of purulent meningitis, subdural effusions and other conditions associated with increased intracranial pressure.

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