Nosocomial sinusitis

Background

Microbiology

• Gram-negative bacilli
  • Pseudomonas
  • Escherichia coli
  • Proteus mirabilis
  • Klebsiella
  • Enterobacter
• Gram-positive cocci
  • Staphylococcus aureus
  • Viridans group streptococci
  • Streptococcus pneumoniae
  • Others, including coagulase-negative staphylococci and Corynebacterium
• Anaerobes
• Candida

Epidemiology

• Occurs in 8 to 32% of critically ill patients
• More common with nasogastric tubes