Acute bacterial sinusitis: Difference between revisions
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Revision as of 00:44, 16 August 2020
Background
- See also nosocomial sinusitis and invasive fungal sinusitis
Microbiology
- Streptococcus pneumoniae (most common; 41% in adults and children)
- Non-typable Haemophilus influenzae (35% in adults, 27% in children)
- Moraxella catarrhalis (4% in adults, 22% in children)
- Streptococci (7% in adults and children)
- Anaerobes (7% in adults)
- Staphylococcus aureus (3% in adults)
Risk Factors
- Systemic factors
- Viral upper respiratory infection
- Allergic rhinitis and asthma
- Cystic fibrosis
- Immune disorders including agammaglobulinemia, HIV, and chronic granulomatous disease
- Ciliary dyskinesia
- Tobacco smoke
- Mechanical factors: choanal atresia, cleft palate, deviated septum, nasal polyps, foreign body, tumour, ethmoid bullae
- Local factors: facial trauma, swimming and diving, rhinitis medicamentosa, nasal intubation
