ArticleAnnals of clinical microbiology and antimicrobials2023
Molecular epidemiology of Acinetobacter baumannii complex causing invasive infections in Korean children during 2001-2020.
Article in Annals of clinical microbiology and antimicrobials, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- Identification, resistance mechanisms, and innovative therapeutic approaches againstFrontiers in microbiology · 2026Review
- Surveillance of Multidrug-Resistant Organisms and Trends in Antimicrobial Susceptibility in Chronically Hospitalized Pediatric Patients.Infection & chemotherapy · 2025Article
- Genomic epidemiology and phylodynamics of Acinetobacter baumannii bloodstream isolates in China.Nature communications · 2025Article
- ESKAPE in China: epidemiology and characteristics of antibiotic resistance.Emerging microbes & infections · 2024Review
- Differentiation of closely-related species within Acinetobacter baumannii-calcoaceticus complex via Raman spectroscopy: a comparative machine learning analysis.World journal of microbiology & biotechnology · 2024Article
- The Distribution of Carbapenem-Resistant Acinetobacter Species and High Prevalence of CC92 OXA-23-ProducingInfection and drug resistance · 2024Article
- Cross-talk of MLST and transcriptome unveiling antibiotic resistance mechanism of carbapenem resistanceFrontiers in microbiology · 2024Article
- A bioinformatic approach to identify confirmed and probable CRISPR-Cas systems in theFrontiers in microbiology · 2024Article
- International Clones of High Risk of Acinetobacter Baumannii-Definitions, History, Properties and Perspectives.Microorganisms · 2023Review
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundAcinetobacter baumannii (AB) has emerged as one of the most problematic pathogens affecting critically ill patients. This study aimed to investigate the longitudinal epidemiology of AB causing invasive diseases in children.
methodsAcinetobacter spp. cultured from sterile body fluids and identified as Acinetobacter calcoaceticus-baumannii (ACB) complexes by automated systems from children aged below 19 years old were prospectively collected during 2001-2020. The discriminative partial sequence of rpoB gene was sequenced to identify the species, and sequence types (STs) were determined. Temporal changes in antimicrobial susceptibilities and STs were analyzed.
resultsIn total, 108 non-duplicate ACB isolates were obtained from patients with invasive infections. The median age was 1.4 (interquartile range, 0.1-7.9) years, and 60.2% (n = 65) were male. Acinetobacter baumannii comprised 55.6% (n = 60) of the isolates, and the 30-day mortality was higher in patients with isolated AB than in those with non-baumannii Acinetobacter spp. (46.7% vs. 8.3%, P < 0.001). After 2010, complete genotype replacement was observed from non-CC92 genotypes to only CC92 genotypes. Carbapenem resistance rates were highest in AB CC92 (94.2%), followed by AB non-CC92 (12.5%) and non-baumannii Acinetobacter spp. (2.1%). During 2014-2017, which included clustered cases of invasive ST395, colistin resistance increased to 62.5% (n = 10/16), showing a mortality rate of 88% during this period.
conclusionComplete genotype replacement of non-CC92 with CC92 genotypes was observed. AB CC92 was extensively drug-resistant, and pandrug resistance was observed depending on the ST, warranting careful monitoring.
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