ArticleBMC infectious diseases2026
Burden, risk factors, and emerging microbiological trends of Gram-negative neonatal sepsis in Jordan: a retrospective cohort study.
Article in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundNeonatal sepsis (NS) is a major cause of morbidity and mortality, particularly in low- and middle-income countries. Gram-negative bacteria are increasingly predominant and associated with severe disease. In Jordan, data on Gram-negative NS are limited, highlighting the need for local evidence to guide early detection and treatment.
objectiveTo determine the incidence, risk factors, bacterial profile, and antimicrobial resistance patterns of Gram-negative NS in a tertiary Neonatal Intensive Care Unit (NICU) in Jordan.
methodsA retrospective cohort study reviewed 4,804 blood cultures from 3,429 neonates admitted to the NICU at Jordan University Hospital over six years. Clinical, maternal, and perinatal data were extracted from electronic health records. Descriptive statistics were used to summarize patient characteristics and microbiological findings, while regression analysis was used to identify risk factors for Gram-negative NS.
resultsAmong 4,172 blood cultures, 72 Gram-negative NS cases were identified, with a cumulative incidence of 9.7 per 1,000 NICU admissions. Extremely preterm neonates and those receiving early invasive interventions had higher risk (aOR 1.88-6.89), while elevated C-reactive protein and thrombocytopenia were independently associated. Klebsiella pneumoniae (30.6%) and Escherichia coli (22.2%) predominated. Multidrug resistance was observed in 34.7% of isolates, 23.6% were extended-spectrum β-lactamase producers, with high cephalosporin resistance and alarming meropenem resistance (33.3%).
conclusionMultidrug-resistant Gram-negative pathogens remain the predominant cause of neonatal sepsis in this Jordanian tertiary NICU, with emerging resistance to last-line antibiotics, including carbapenems. These findings highlight the importance of ongoing surveillance and support future efforts in infection prevention and antibiotic stewardship.
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