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עמוד בית
Thu, 29.02.24

Original Articles

IMAJ | volume 12

Journal 4, April 2010
pages: 220-224

Penicillin and Ceftriaxone Susceptibility of Streptococcus pneumoniae Isolated from Cerebrospinal Fluid of Children with Meningitis Hospitalized in a Tertiary Hospital in Israel

    Summary

    Background: Streptococcus pneumoniae is now the predominant pathogen causing meningitis. The resistance of S. pneumoniae to penicillin and third-generation cephalosporins has grown steadily.

    Objectives: To assess the antibiotic susceptibility of S. pneumoniae isolated from the cerebrospinal fluid of children with meningitis, and determine the antibiotic regimen appropriate for suspected bacterial meningitis in Israel.

    Methods:  The study group included 31 children with 35 episodes of meningitis hospitalized from 1998 to 2006. S. pneumoniae isolates from the cerebrospinal fluid were tested for susceptibility to penicillin and ceftriaxone.

    Results: Of the 35 isolates, 17 (48.6%) showed resistance to penicillin (minimum inhibitory concentration ≥ 0.12 µg/ml). Only 3 isolates (8.6%) showed intermediate resistance to ceftriaxone (≥ 0.5 and < 2 μg/ml), and none showed complete resistance (MIC[1] ≥ 2 μg/ml). The rates of antibiotic resistance were higher in children who were treated with antibiotics prior to admission (penicillin 88.9% vs. 34.6%, P = 0.007; ceftriaxone 22.2% vs. 3.8%, P = 0.156).

    Conclusions:  The rate of penicillin resistance is high in children with S. pneumoniae meningitis in Israel, especially in those treated with oral antibiotics prior to admission. Resistance to ceftriaxone is infrequent though not negligible. On the basis of these findings, current recommendations to empirically treat all children with suspected bacterial meningitis with ceftriaxone in addition to vancomycin until the bacterial susceptibility results become available are justified also in Israel.



    [1] MIC = minimum inhibitory concentration

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