Abstract:
Background:Neonatal sepsis (NS) is one of the leading causes of infant morbidity and mortality, but little is known about pathogen incidence and distribution in China. Methods:In this retrospective study (January 2012 to December 2016), culture-proven cases aged less than 28 days with diagnosed NS in the Guangzhou Women and Children's Medical Center, South China, were analyzed for pathogen incidence and antimicrobial resistance. Results:A total of 620 isolates were identified from 597 NS cases. Gram-negative bacteria (n=371, 59.8%) dominated over Gram-positive bacteria (n=218, 35.2%) and fungi (n=30, 4.8%). Klebsiella pneumoniae (21.9%), Escherichia coli (21.9%), group B Streptococcus (GBS, 13.2%), and Staphylococcus aureus (6.8%) were the four most predominant pathogens. In early-onset sepsis (EOS), GBS (30.0%) and E. coli (20.0%) were dominant, whereas in late-onset sepsis (LOS), K. pneumoniae (25.6%) and E. coli (22.4%) were dominant. E. coli (25.2%) and GBS (17.7%) were the most frequently isolated from term patients, whereas K. pneumoniae was the most frequently isolated from preterm patients (34.9%). Of the infected infants, 9.5% died from sepsis, most commonly by E. coli infection (16.2%). Among 91,215 live births (LBs) delivered in the study hospital (2012-2016), 252 infants developed sepsis infection (2.76 per 1000 LBs, 95% CI 2.4-3.1), including EOS (0.78 per 1000 LBs) and LOS (2.13 per 1000 LBs). All GBS isolates were susceptible to β-lactam antibiotics, and S. aureus, including methicillin-resistant isolates, were susceptible to vancomycin. An extended-spectrum β-lactamase producer was identified in 37.3% of E. coli and 50.4% of K. pneumoniae. Conclusion:K. pneumoniae was the most frequent pathogen in culture-proven NS in South China, primarily associated with LOS in preterm, whereas GBS was the dominant pathogen in EOS. E. coli was common in both episodes with the highest mortality.
journal_name
Infect Drug Resistjournal_title
Infection and drug resistanceauthors
Gao K,Fu J,Guan X,Zhu S,Zeng L,Xu X,Chang CY,Liu Hdoi
10.2147/IDR.S223597subject
Has Abstractpub_date
2019-12-03 00:00:00pages
3797-3805issn
1178-6973pii
223597journal_volume
12pub_type
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更新日期:2012-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2020-12-29 00:00:00
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abstract::Raltegravir, an inhibitor of the HIV-1 integrase enzyme, is the first available agent in a new class of antiretroviral drugs. Raltegravir has been studied extensively in clinical trials, and has been well tolerated and highly effective in both treatment-naïve and -experienced patients. Resistance to raltegravir is unu...
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更新日期:2010-01-01 00:00:00
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doi:10.2147/IDR.S287934
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abstract::[This corrects the article DOI: 10.2147/IDR.S258379.]. ...
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pub_type: 杂志文章,已发布勘误
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更新日期:2020-09-04 00:00:00
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