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Neonatal meningitis in Nigerian infants
Abstract:
53 Nigerian infants with neonatal meningitis were prospectively studied. The striking features were: (a) the higher predisposition (26.7-fold) of LBW infants to developing meningitis than has been previously reported in the literature; (b) the predominant role of E. coli and Staphylococcus aureus; and (c) the rarity of salmonella organisms and the conspicuous absence of group B streptococcus as aetiological pathogens. The outcome was related to the age of onset and type of micro-organism. The presence of neurological signs, particularly nuchal rigidity and bulging anterior fontanelle, carried a poor prognosis. The overall mortality was 37.7%.
Insights
Low birth weight (LBW) Nigerian infants face a significantly higher risk of neonatal meningitis. E. coli and Staphylococcus aureus were the primary causes, with poor outcomes linked to neurological signs.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Pediatrics
Background:
- Neonatal meningitis is a serious infection in newborns.
- Understanding causative agents and risk factors is crucial for improving outcomes.
Purpose of the Study:
- To investigate the epidemiological features and etiological agents of neonatal meningitis in Nigerian infants.
- To identify risk factors and prognostic indicators for neonatal meningitis.
Main Methods:
- Prospective study of 53 Nigerian infants diagnosed with neonatal meningitis.
- Analysis of clinical data, including birth weight, causative microorganisms, neurological signs, and outcomes.
Main Results:
- Low birth weight (LBW) infants showed a 26.7-fold higher predisposition to meningitis.
- Escherichia coli (E. coli) and Staphylococcus aureus were the predominant pathogens.
- Neurological signs like nuchal rigidity and bulging anterior fontanelle indicated a poor prognosis.
- The overall mortality rate was 37.7%.
Conclusions:
- LBW is a significant risk factor for neonatal meningitis in this population.
- E. coli and S. aureus are key etiological agents, necessitating targeted prevention and treatment strategies.
- Early recognition of neurological signs is vital for managing high-risk infants and improving survival rates.