Neonatal bacteraemia: a population-based study.

Area of Science:

• Neonatal Medicine
• Infectious Diseases
• Epidemiology

Background:

• Neonatal bacteraemia poses a significant threat to infant health, particularly in intensive care settings.
• Identifying risk factors is crucial for preventing and managing neonatal infections.

Purpose of the Study:

• To determine the incidence of neonatal bacteraemia in a Greek neonatal intensive care unit (NICU).
• To identify specific risk factors associated with neonatal bacteraemia.
• To analyze the impact of risk factors on early- and late-onset sepsis and case fatality.

Main Methods:

• Retrospective analysis of 3339 neonates admitted to the NICU of Ioannina University Hospital from 1989-1998.
• Logistic regression modeling to assess risk factors for bacteraemia.
• Categorization of sepsis into early- and late-onset based on clinical presentation.

Main Results:

• Neonatal bacteraemia was diagnosed in 2.7% of neonates, with a 11% case fatality rate.
• Common pathogens included Gram-negative bacilli (42%), coagulase-negative Staphylococci (34%), and Streptococci (17%).
• Premature rupture of membranes (RR 6.28) and respiratory distress syndrome (RR 5.70) were significant risk factors for early- and late-onset sepsis, respectively. Early-onset sepsis had higher case fatality (RR 6.59).

Conclusions:

• Specific conditions, such as premature rupture of membranes and respiratory distress syndrome, are confirmed risk factors for neonatal bacteraemia.
• Controlling these predisposing factors can lead to reduced neonatal morbidity and mortality.
• The study highlights the importance of targeted interventions in NICU settings to combat neonatal infections.