Neonatal Meningococcal Meningitis In France From 2001 To 2013

Ali Bilal1, Muhamed-Kheir Taha, Laurence Caeymaex

  • 1From the *Service de Neonatalogie, Centre Hospitalier Intercommunal, Créteil, France; †Institut Pasteur, Invasive Bacterial Infections Unit, National Reference Center for Meningococci (NRCM), Paris, France; ‡Clinical Research Center (CRC), Centre Hospitalier Intercommunal de Créteil, Créteil, France; §Groupe de Pathologie Infectieuse Pédiatrique, SFP Société Française de Pédiatrie, Paris, France; ¶Université Paris Est, IMRB- GRC GEMINI, Créteil, France; ‖ACTIV, Association Clinique et Thérapeutique Infantile du Val de Marne, Saint-Maur des Fossés, France; and **Unité Court Séjour, Petits Nourrissons, Service de Néonatalogie, Centre Hospitalier Intercommunal de Créteil, Créteil, France.

Insights

Neisseria meningitidis was a frequent cause of late-onset neonatal bacterial meningitis, primarily Serogroup B. Most strains were treatable with cefotaxime, though some showed resistance to penicillin.

Area of Science:

  • Neonatal Medicine
  • Infectious Diseases
  • Microbiology

Background:

  • Neonatal bacterial meningitis poses a significant health risk.
  • Neisseria meningitidis is an important pathogen in meningitis cases.

Purpose of the Study:

  • To investigate the epidemiology and characteristics of Neisseria meningitidis in neonatal bacterial meningitis.
  • To assess antimicrobial susceptibility patterns of Neisseria meningitidis in neonates.

Main Methods:

  • Retrospective analysis of 831 neonatal bacterial meningitis cases from 2001-2013.
  • Identification of bacterial species and serogrouping of Neisseria meningitidis.
  • Antimicrobial susceptibility testing.

Main Results:

  • Neisseria meningitidis was the third most common cause of neonatal bacterial meningitis.
  • All identified cases were in term neonates, predominantly late-onset.
  • Serogroup B accounted for 78% of Neisseria meningitidis cases.
  • 27% of cases presented with severe disease signs.
  • All strains were susceptible to cefotaxime; 12% showed intermediate susceptibility to penicillin G and aminopenicillin.

Conclusions:

  • Neisseria meningitidis, particularly Serogroup B, is a notable cause of late-onset neonatal meningitis.
  • Cefotaxime remains an effective treatment, but emerging penicillin resistance warrants monitoring.