acute bacterial meningitis


Also found in: Acronyms.

bacterial meningitis

Meningeal inflammation caused by bacteria which, if untreated, is often fatal, or associated with significant sequelae.
 
Epidemiology
60% are community acquired (C), 40% nosocomial (N); predisposing factors:
• Recent neurosurgery/use of neurosurgical devices—60% N;
• Immune dysfunction—20.5% N, 7.5% C;
• CSF leak—8.6% N, 3% C;
• Head injury—8.6% N, 3.5% C;
• Acute or chronic otitis media—< 1% N, 10% C;
• Others—Sinusitis, pneumonia, endocarditis, diabetes, alcoholism.

Microbiology
Haemophilus influenzae > Streptococcus pneumoniae > Neisseria meningitidis.

Management
Antibiotics and dexamethasone.

Mortality
± 25%; highest in those > age 60, obtunded at presentation or with seizures in past 24 hours.

acute bacterial meningitis

See Bacterial meningitis.
References in periodicals archive ?
Childhood Acute Bacterial Meningitis: Clinical Spectrum, Bacteriological Profile and Outcome.
Acute bacterial meningitis has high mortality and morbidity despite widespread availability of antimicrobial and adjunctive therapy, due to its atypical presentation and failure to be recognized early.
Thorner, "Clinical Features and Diagnosis of Acute Bacterial Meningitis in Adults," https:// www.uptodate.com/contents/clinical-features-and-diagnosisof-acute-bacterial-meningitis-in-adults?search=Clinical+fea-tures+and+diagnosis+of+acute+bacterial+meningitis+in+adults& amp;source=search_result&selectedTitle=1~150.
A recent retrospective study was conducted in patients affected with acute bacterial meningitis (ABM) or tuberculous meningitis (TBM); the predictive value of each neurological sign on the diagnosis of above was analysed.
Epidemiology, diagnosis, and antimicrobial treatment of acute bacterial meningitis. Clin Microbiol Rev.
Bessisso et al., "Clinical presentation of acute bacterial meningitis in Qatar," Neurosciences, vol.
Once there is a suspicion of acute bacterial meningitis, blood samples must be taken for culture in addition to an immediate lumbar puncture to determine whether the CSF finding is consistent with the clinical diagnosis.
Acute bacterial meningitis is not only a very serious infection occurring in infants and children but also an important medical emergency.
She pointed out that the most recent Cochrane review of corticosteroids for acute bacterial meningitis came down squarely on the pro side because of the significant benefit in terms of reduced sequelae.
She pointed out that the most recent Cochrane review of steroids for acute bacterial meningitis came down squarely on the pro side because of the significant benefit in terms of reduced sequelae.

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