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Published on: February 9, 2011
Antibiotic-resistant gram-negative bacteria in hospitalized children
1Rainbow Babies and Children's Hospital, Department of Pediatrics, Case Western Reserve University School of Medicine, 11100 Euclid Avenue, Cleveland, OH 44106, USA. pxt2@cwru.edu
Insights
Antibiotic-resistant Gram-negative bacilli pose a significant threat in pediatric hospitals, especially in neonatal intensive care units. Transmission occurs through caregivers and contaminated surfaces, complicating control efforts.
Area of Science:
- Pediatric Infectious Diseases
- Hospital Epidemiology
- Antimicrobial Resistance
Background:
- Antibiotic-resistant Gram-negative bacilli are an increasing concern in hospitalized children.
- Outbreaks in pediatric hospitals, particularly neonatal intensive care units, are driven by patient-to-patient transmission.
- Contaminated environments and healthcare worker contact facilitate the spread of resistant organisms.
Purpose of the Study:
- To describe the epidemiology of antibiotic-resistant Gram-negative bacilli in pediatric hospital settings.
- To differentiate between outbreak-related and endemic transmission patterns.
- To identify reservoirs of antibiotic resistance in pediatric populations.
Main Methods:
- Review of clinical isolates and epidemiological data from pediatric hospitalizations.
- Analysis of transmission routes during endemic and outbreak periods.
- Investigation of the role of chronic care facilities as reservoirs.
Main Results:
- Epidemics are characterized by efficient transmission of specific clones.
- Endemic periods show more diverse isolates, often from endogenous flora.
- Chronic care facilities serve as significant reservoirs for resistant bacilli.
Conclusions:
- Understanding transmission dynamics is crucial for controlling resistant Gram-negative bacilli in pediatric settings.
- Pediatric chronic care facilities contribute to the circulation of antibiotic resistance in acute care hospitals.
- Targeted infection control strategies are needed to mitigate the impact of these resistant organisms.
Abstract:
Antibiotic-resistant Gram-negative bacilli are a prominent and growing problem among hospitalized children. Epidemics caused by these organisms have been implicated in many outbreaks in children's hospitals, primarily in neonatal intensive care units. These epidemics are characterized by efficient patient-to-patient transmission of the outbreak clone via the hands of caregivers and through exposure of contaminated inanimate sources. The epidemiology of these resistant organisms in pediatric hospitals during endemic periods is more complex. The isolates cultured from hospitalized individuals in the absence of an outbreak usually are unique to each individual and are derived from the patient's endogenous flora or other disparate sources. As in adults, chronic care facilities for children represent significant reservoirs of antibiotic-resistant bacilli that are circulated back into the acute care hospital environment when the child becomes ill.
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