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Carbapenemase-producing Enterobacterales

Enterobacterales is the name given to a family of bacteria that normally lives in the human gut. Some of these bacteria produce enzymes, called carbapenemases, which stop antimicrobials from working against the bacteria. Carbapenemase-producing Enterobacterales (CPE) are resistant to most types of antibiotics. There is a high mortality rate associated with infections caused by CPE due to limited treatment options.

Surveillance of CPE in Australia

Data on CPE is captured by the National Alert System for Critical Antimicrobial Resistances (CARAlert).

Key facts about CPE in Australia reported to CARAlert:

  • The prevalence of CPE continues to increase. Reports of CPE increased by 45% between 2022 and 2023 
  • A substantial majority (84%) of CPE were reported from public and private hospitals
  • A substantial majority (82%) of all CPE were from blood specimens 
  • A little over one-half (58%) of CPE were clinical specimens, rather than for screening. Of these, 51% were from urine and 7% were from blood.

CARAlert also captures data on carbapenemase-producing Acinetobacter calcoaceticus-baumannii complex and Pseudomonas aeruginosa.

For more information see AURA 2023 and CARAlert annual reports and data updates.

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