Gram negative bacteria

Cards (9)

  • Pseudomonas aeruginosa
    Gram-negative, aerobic rod belonging to the bacterial family Pseudomonadaceae
  • Pseudomonas aeruginosa
    • Produces the blue-green pigment pyocyanin
    • Free-living bacterium, commonly found in soil and water, although it can be found on the surfaces of plants and animals
    • Emerging opportunistic pathogen of clinical relevance, that can lead to fatality
  • Symptoms of Pseudomonas aeruginosa infection
    • Pneumonia
    • Urinary tract infections
    • Surgical wound infections
    • Blood stream infections (bacteraemia)
  • Cystic fibrosis (CF) patients
    Pseudomonas aeruginosa is particularly frequent as a cause of chronic respiratory infection
  • The overall rate of Pseudomonas spp. bacteraemia in England, Wales and Northern Ireland was 7.8 per 100,000 population in 2018
  • There was a 22.2% increase in Pseudomonas spp. bacteraemia between 2009 and 2018
  • The most commonly identified species in blood is Pseudomonas aeruginosa (80%)
  • In England, Pseudomonas aeruginosa has dual resistance to gentamicin, ciprofloxacin, meropenem, piperacillin/tazobactam, Imipenem, tobramycin, ciprofloxacin and ceftazidime
  • Pseudomonas aeruginosa is more commonly reported among those aged 75 years and older, especially among males