初回髄液検査に異常を認めなかった<I>Streptocoms bovis</I>による乳児細菌性髄膜炎の1例 A Case of Bacterial Meningitis Due to <I>Streptococcus bovis</I> in an Infant with Normal Cerebrospinal Fluid Findings at the First CSF Examination

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Abstract

<I>Streptococcus bovis</I> very occasionally causes rarely sepsis, endocarditis, and meningitis in newborns and the elderly. We report the case of infant meningitis caused by <I>S. bovis</I> despite normal cerebrospinal fluid (CSF) findings at the first CSF examination. A 77-day-old boy with 21-trisomy and patent foramen ovale and seen for a high fever underwent blood examination and lumbar puncture due to toxic appearance despite a lack of meningeal signs, and was admitted. His CSF findings were normal and he was given intravenous ceftriaxone against potential bacteremia. He had systemic seizures with continuous fever for 2 days after admission and a second CSF examination. Gram-positive coccus grew from his CSF at the first examination, and CSF cells from the second lumbar puncture increased to 4, 060/μL (86% neutrophils), so vancomycin was added against potential enterococcal meningitis. <I>S. bovis</I> was finally grown from the first CSF, ceftriaxone discontinued, and intravenous ampicillin added. He recovered after 20 days of antibiotic administration. <I>S. bovis</I> becomes a potential pathogen for meningitis in infants, and must be considered as a cause of meningitis despite its very rarity. CSF findings at the first lumbar puncture may be normal for meningitis in newborns and infants at the first CSF examination, so we must be very careful in the diagnosis of bacterial meningitis even with normal CSF findings, and considered antibiotic treatment against potential bacterial meningitis.

Journal

  • Kansenshogaku Zasshi

    Kansenshogaku Zasshi 82(1), 26-29, 2008

    The Japanese Association for Infectious Diseases

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