Pseudomonas aeruginosa

Pseudomonas aeruginosa


Routine Practices

General Information

Aerobic non-fermenting Gram-negative bacillus

Naturally found in the aqueous and soil environments. Occasionally colonizes the oral mucosa, skin, and gastrointestinal tract of healthy individuals (usually < 10%), with increasing rates associated with hospitalization and administration of antimicrobials.

Global distribution. Transmission occurs through contact with contaminated environments, and rarely with injection (e.g. drug use) and through person-to-person spread.

Community-acquired infections including:

  • Otitis externa
  • Skin and soft tissue infections (e.g. hot tub folliculitis)
  • Contact lenses keratitis
  • Cystic fibrosis infections

Nosocomial infections including:

  • Catheter-associated urinary tract infections
  • Hospital-associated pneumonia
  • Ventilator-acquired pneumonia
  • Neurosurgical site infection
  • Surgical site infection
  • Burn injury infections
  • Intra-abdominal infections
  • Central-line associated bloodstream infections