期刊
ANTIBIOTICS-BASEL
卷 10, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/antibiotics10050572
关键词
pregnant women; Enterobacterales; antimicrobial resistance; Vietnam; extended-spectrum beta-lactamase; Escherichia coli; Klebsiella pneumoniae; carbapenem resistance
资金
- Do XuanHop Grant of Vietnam Military Medical University
The study in Vietnam found that 30% of pregnant women had colonization of E. coli and Klebsiella species in their birth canals, with 47% of them producing ESBL. Carapenem resistance was low overall, but over 20% of Klebsiella species were resistant. This highlights the need for surveillance and molecular typing to combat the high rate of ESBL-producers and carbapenem resistance in Enterobacterales in Vietnam.
Extended-spectrum beta-lactamase-producing Enterobacterales (ESBL-E) resistance to commonly prescribed drugs is increasing in Vietnam. During pregnancy, ESBL-E may predispose women to reproductive tract infections and increases the risk for neonatal morbidity. Vaginal colonization and infections by Escherichia coli and Klebsiella pneumoniae are seldom studied in Vietnam. In this study, we investigated ESBL-producing Enterobacterales in the birth canal of pregnant women. Between 2016 and 2020, vaginal swabs were collected from 3104 pregnant women (mean gestational age of 31 weeks) and inoculated onto MacConkey agar plates. Colonies were subjected to direct identification and antimicrobial susceptibility testing using the VITEK(R)-2 automated compact system and disk diffusion. ESBL production was determined phenotypically. E. coli, Klebsiella species were identified in 30% (918/3104) of the vaginal swabs, with E. coli being the most common (73%; 667/918). ESBL-production was detected in 47% (432/918) of Enterobacterales, with frequent multidrug-resistant phenotype. The overall prevalence of carbapenem resistance was low (8%). Over 20% of Klebsiella spp. were carbapenem-resistant. Pregnant women had a high prevalence of colonization and may transmit ESBL-E to neonates at birth, an important risk factor to be considered. The high rate of ESBL-producers and carbapenem resistance in Enterobacterales in Vietnam emphasizes the need for consequent surveillance and access to molecular typing.
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