Bacterial meningitis classification
Bacterial meningitis Microchapters |
Diagnosis |
Treatment |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]
Overview
Classification
Bacterial meningitis may be classified according to the age group, causative agent, severity, and duration of disease.
According to age group | |||
Age group | Etiological agent | Clinical features | |
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Neonates and infants |
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Adults |
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Elderly |
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According to severity of the disease | |||
Mild | |||
Moderate | |||
Severe | |||
According to the duration of disease | |||
Acute | |||
Subacute | |||
Chronic |
According to age group
Etiological agent and clinical presentation differs in infants and adults:
====Meningitis in infants and newborns====
Etiological agent
- Group B streptococcus
- E coli
- Listeria monocytogenes
- Streptococcus pneumoniae
Meningitis in adults
- Streptococcus pneumoniae
- Neisseria meningitides
- Hemophilus influenza type b
- Listeria monocytogenes
According to causative agent
According to severity
Mild
Moderate
Severe or fatal
According to duration of disease
Acute
- Lasts < 4 weeks
Subacute
Chronic
- Lasts > 4weeks
Recurrent
- Multiple episodes < 4 weeks