Overview
Infections caused by Enterobacteriaceae, particularly those producing carbapenemases (CPE), pose significant challenges in healthcare settings due to their resistance mechanisms and potential for nosocomial transmission 1.Diagnosis
Clinical Presentation: Symptoms vary by site of infection (e.g., bloodstream, urinary tract, respiratory).
Laboratory Tests: Susceptibility testing to identify carbapenem resistance.
Environmental Sampling: Water sources and sinks may need to be tested during outbreaks 1.
Molecular Detection: Use of PCR for detecting carbapenemase genes (e.g., bla) 1.Management
Antimicrobial Therapy: Initiate with agents effective against resistant Enterobacteriaceae, such as tigecycline, aminoglycosides, or fosfomycin, based on local resistance patterns 1.
Source Control: Address the source of infection (e.g., removal of infected devices, surgical intervention) 1.
Infection Control Measures: Implement strict contact precautions, hand hygiene, and environmental disinfection 1.Special Populations
No Specific Guidance Provided: Abstracts do not cover specific management considerations for pregnancy, pediatrics, elderly, or comorbidities 12.Key Recommendations
Implement Rigorous Water System Hygiene: Regularly monitor and disinfect water dispensers and sink drains to prevent CPE transmission (Evidence: Expert opinion) 1.
Enhance Surveillance and Contact Tracing: Conduct thorough contact tracing and surveillance in outbreak settings to identify and isolate cases promptly (Evidence: Moderate) 1.
Educate Healthcare Workers: Provide education on proper water use and infection control practices to reduce transmission risks (Evidence: Expert opinion) 1.References
1 Jung J, Choi HS, Lee JY, Ryu SH, Kim SK, Hong MJ et al.. Outbreak of carbapenemase-producing Enterobacteriaceae associated with a contaminated water dispenser and sink drains in the cardiology units of a Korean hospital. The Journal of hospital infection 2020. link
2 Simonet V, Mallea M, Fourel D, Bolla JM, Pages JM. Crucial domains are conserved in Enterobacteriaceae porins. FEMS microbiology letters 1996. link