Elsevier, Journal of Infection, 5(82), p. 145-150, 2021
DOI: 10.1016/j.jinf.2021.03.016
Elsevier, Clinical Microbiology and Infection, 4(13), p. 439-442, 2007
DOI: 10.1111/j.1469-0691.2006.01670.x
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Haemophilus influenzae is an uncommon cause of bacterial meningitis in adults. This report describes a prospective evaluation of 16 episodes of community-acquired H. influenzae meningitis in a nationwide study on bacterial meningitis. Predisposing conditions were present in eight (50%) of the 16 episodes; the most common predisposing conditions were otitis or sinusitis (five episodes; 31%) and remote neurosurgery or head trauma (three episodes; 19%). One (6%) episode was fatal and hearing loss occurred in four (25%) episodes. It was concluded that H. influenzae meningitis in adults is a disease with a rather benign clinical course and a relatively good prognosis compared with pneumococcal meningitis.