Outbreak investigation of Pseudomonas aeruginosa infections in a neonatal intensive care unit

Am J Infect Control. 2019 Sep;47(9):1148-1150. doi: 10.1016/j.ajic.2019.03.009. Epub 2019 Apr 30.

Abstract

A Pseudomonas aeruginosa outbreak was investigated in a neonatal intensive care unit that had experienced a prior similar outbreak. The 8 cases identified included 2 deaths. An investigation found the cause of the outbreak: tap water from contaminated hospital plumbing which was used for humidifier reservoirs, neonatal bathing, and nutritional preparation. Our findings reinforce a recent Centers for Medicare & Medicaid Services memo recommending increased attention to water management to improve awareness, identification, mitigation, and prevention of water-associated, health care-associated infections.

Keywords: Gram-negative; Health care–associated infections; Outbreak; Water management.

MeSH terms

  • Cross Infection / epidemiology*
  • Cross Infection / mortality
  • Disease Outbreaks*
  • Drinking Water / microbiology*
  • Female
  • Humans
  • Infant, Newborn
  • Infection Control / methods
  • Intensive Care Units, Neonatal
  • Male
  • Pseudomonas Infections / epidemiology*
  • Pseudomonas Infections / mortality
  • Pseudomonas aeruginosa / isolation & purification*

Substances

  • Drinking Water