Prevalence of Multidrug-Resistant Pathogens Causing Neonatal Early and Late Onset Sepsis, a Retrospective Study from the Tertiary Referral Children's Hospital

Overview

Journal Infect Drug Resist

Publisher Dove Medical Press

Date 2023 Jul 5

PMID 37404253

Authors

Panpan Fang

Kaijie Gao

Junmei Yang

Tiewei Li

Weihua Gong

Qianqian Sun

Yingyuan Wang

Affiliations

Soon will be listed here.

Abstract

Introduction: Sepsis is the most severe infectious disease with the highest mortality rate, particularly among neonates admitted to the neonatal intensive care unit (NICU). This study retrospectively analyzed the epidemiology, antibiotic resistance profiles, and prevalence of multidrug-resistant (MDR) bacteria isolated from blood or cerebrospinal fluid (CSF) cultures in order to evaluate the appropriateness of initial empirical therapy for neonatal sepsis.

Methods: A retrospective study was conducted in the NICU from January 1, 2015, to December 31, 2022. Microbiological data from patients admitted to the NICU were anonymously extracted from the Laboratory of Microbiology database. Neonatal sepsis was classified into two types: early-onset sepsis (EOS), which occurs within the first 72 hours of life, and late-onset sepsis (LOS) for those begins later.

Results: A total of 679 bacterial strains, 543 from blood and 136 from CSF, were detected in 631 neonates. Among these, 378 isolates (55.67%) were Gram-positive bacteria, and 301 isolates (44.33%) were Gram-negative bacteria. The most frequently isolated pathogens were (36.52%), followed by (20.47%) and (13.84%). In EOS, 121 strains were found, represented the majority (33.88%), followed by (23.97%) and (8.26%). Early-onset septicemia exhibited 67 (55.37%) MDR bacteria. In LOS, 558 strains were isolated, represented the majority of pathogens (37.10%), followed by (19.71%) and (15.05%). Late-onset septicemia showed 332 (59.50%) MDR bacteria. High rates of MDR were found in (76.21%), carbapenem-resistant (66.91%), and (33.33%).

Conclusion: The study revealed an alarming prevalence of MDR strains isolated from neonatal sepsis, emphasizing the necessity of finding effective prevention and treatment measures. Colistin can be used for MDR Gram-negative bacteria, while vancomycin and teicoplanin can be considered treatment therapies for staphylococcal infections.

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