Table 2

- Reported meningitis with associated risk factors and role of vaccination.

Author/yearMeningitis cases (N)Onset of meningitis (month)OrganismN. of meningitis episodesImmunization statusPossible risk factors
Anatomical deformities N of patientsCSF leakOtitis mediaOthers
Cohen & Hoffman15/199123-------
Daspit6/199110.2Streptococcus pneumonia---1Head trauma and bilateral Meniere’s disease
Webb et al16/19911-------
Page & Eby17/1997124-2-1-Sinusitis prior to meningitis onset
Woolley et al18/199817-1-111
Reefhuis et al19/2003261 day-36 monthsStreptococcus pneumoniae: 15 episodes Haemophilus influenzae type b: 5 episodes Acinetobacter baumannii: 2 episodes Enterococcus: 1 episode, Escherichia coli: 1 episode, Unknown: 5 episodes23 patient: 1 3 patients: 2-9613Previous meningitis: 5 ventriculoperitoneal shunt: 1
Callanan & Poje10/200420.4-12Haemophilus influenzae: 1 patient Streptococcus pneumoniae: 1 patient1HIB and the pneumococcal vaccines111
Pettersen et al20/2005142Group A streptococcus: 1st episode, Pseudomonas aeruginosa: 2nd episode2Pneumococcal and Neisseria meningitidis vaccines--2
Biernath et al21/2006125-40Streptococcus pneumoniae: 9 patients Group A Streptococcus: one patient Unknown: 2 patients1-21Previous meningitis: 3
Ahn et al22/20081--3-1--
Mancini et al23/200838-72Streptococcus pneumoniae: 3 episodes, Negative CSF: one episode2 patients: 1 1 patient: 2Pneumococcal vaccine2--
Torkos et al24/200916Haemophilus influenzae in episode, Streptococcus pneumoniae in another4-11-
McJunkin & Jeyakumar26/2010112Pseudomonas aeruginosa1-1--
Loundon et al25/2010148Streptococcus pneumoniae1Complete immunization history---
Ahn et al27/2011248---21-
Ajallouyean et al4/20111------
Gurbuz et al7/2011124Streptococcus pneumonia4HIB vaccine before first 3 episodes. Pneumococcal vaccine before the last episode11Head trauma

HIB: Haemophiles influenzae type B, CSF: cerebrospinal fluid