Aim: To compare differences between clinical features and outcome in bacterial meningitis caused by penicillin-susceptible Streproroccus pneumoniae (PSSP) with that caused by penicillin-non-susceptible Streptococcus pneumoniae (PNSP). Methods: All patients < 18 yrs hospitalised with pneumococcal meningitis between January 1984 and December 2002 at Chang Gung Children's Hospital, Taipei were reviewed retrospectively. Results: There were 28 PNSP (63.6%) and 16 PSSP cases of meningitis eligible for the study. The incidence of PNSP meningitis increased significantly over the 8-yr period (p=0.007). Age <4 yrs (78.6% vs 50%), a lower initial white blood count (mean 11.7 vs 19.9 × 109/L), admission to the intensive care unit (70.4% vs 50%) and mortality (28.6% vs 6.3%) were more common in the PNSP group. However, the only significant finding was a lower proportion of polymorphic neutrophils in the CSF of the PNSP meningitis group (p=0.04). Conclusions: There was an increase in PNSP isolates from patients with meningitis over the 8-yr study period. No major differences were observed in clinical or laboratory features or outcome between the PSSP and PNSP group.
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