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Query: UMLS:C0085437 (bacterial meningitis)
 4,038 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Bacterial meningitis is usually associated with pleocytosis of the cerebrospinal fluid due to the presence of polymorphonuclear leucocytes. However, 75 cases of bacterial meningitis without pleocytosis have been published. Normocellular bacterial meningitis accounts for 3.5% (1-42%) of all patients suffering from bacterial meningitis and is seen in all age groups: The finding can be explained by three different mechanisms including 1) lumbar puncture performed early in the course of meningitis, 2) immune deficiency, and 3) relative leucopenia due to severe sepsis. Normocellular bacterial meningitis is in general associated with a good prognosis except for cases with severe underlying diseases. A high concentration of bacteria in a normocellular cerebrospinal fluid might also indicate a poor prognosis.
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PMID:[Normocellular bacterial meningitis]. 985 Jun 14

A 47-case-year old male was admitted to our hospital because of high fever and general fatigue. He had no immune deficiency, and had no other disease in his past history. On admission, the white blood cell count and C-reacted protein were severely elevated (18,700/microliter, 27.7 mg/dl, respectively) and abdominal CT revealed multiple low density, From these results, he was diagnosed as liver abscess. Intravenous MINO and SBT/CPZ injection were started. On the fifth hospital day, he suffered from headache and nuchal rigidity. The clinical data revealed the cerebro-spinal fluid (CSF) counting 8,336 cells/mm3 (mononuclear 8,000,) protein at 119 mg/dl, and sugar 42 mg/dl. CSF cultures were negative, but Klebsiella was recognized in the blood culture and drainage fluid in liver abscess. This condition was diagnosed as bacterial meningitis and antibiotics were changed to intravenous CTRX and MEPM. Furthermore we administered oral PSL and intravenous steroid-pulse therapy. After these combination therapies his condition improved gradually. After 40 hospital day, however, he suddenly had double vision, Axial FLAIR (SE6,000/120) image revealed with high signal intensity at 4th ventricle. Intravenous MEPM was administered again. On the 60th hospital day, double vision was gradually improved and abnormal intensity at 4th ventricle was almost disappeared. This case may provide us a considerable suggestion on the treatment of bacterial meningitis.
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PMID:[A case of ventriculitis with bacterial meningitis occurred during the treatment of liver abscess]. 1467 11

Wound infections after tooth extraction may occur in up to 5%. A systemic infection is a rare but threatening complication often caused by an underlying immune deficiency (immunosuppression, diabetes, HIV) which requires prompt adequate care. This case report describes bacterial meningitis as a possible systemic complication two days after the extraction of a molar in a patient with previously undiagnosed latent diabetes mellitus.
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PMID:Bacterial meningitis after tooth extraction. 1916 61

Meningeal defects and primitive ENT infections are known to promote pneumococcal meningitis. Other risk factors can be identified in the occurrence of community acquired bacterial meningitis (CABM) and play a key role either in the frequency of this kind of infection, the type of bacteria concerned, the prognosis or the risk of recurrence. Thus, epidural infiltrations are rarely responsible for staphylococcal or streptococcal meningitis. Cochlear implants are also known to increase the risk of pneumococcal meningitis. The occurrence in children of aseptic meningitis or meningitis due to Staphylococcus aureus or Enterobacteriaceae is strongly suggestive of congenital spinal or cerebral anomalies (dermal sinus or spina bifida). MRI must be rapidly performed. In cases of splenectomy or asplenism, pneumococcal meningitis is common and must be prevented. According to the larger series available on this topic, age over 60, diabetes mellitus, alcoholism and immune deficiency are found to promote CABM in about 25% of cases. Streptococcus pneumoniae is the most frequent causative bacteria in elderly patients, in case of alcoholism, as well as Listeria monocytogenes and some Enterobacteriaceae (Escherichia coli, Klebsiella pneumoniae). L. monocytogenes is frequently isolated in immunodepressed patients and patients treated by anti-TNF molecules (infliximab notably). Finally, some genetic polyphormisms promote CABM: complement and properdin deficiencies (meningococcal meningitis), mannose-binding lectin deficiency, Fcgamma receptors alteration or interleukin-1 and IL-1R polymorphisms. Screening for such genetic disorders may be discussed in case of CABM but is mandatory in case of recurrent meningococcal infections.
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PMID:[Predisposing factors of community acquired bacterial meningitis (excluding neonates)]. 1941 29

Recurrent bacterial meningitis is an uncommon but life-threatening condition. The aim of this study was to evaluate the demographic, clinical, microbiological, and radiological features of recurrent bacterial meningitis in children. Fourteen patients (10 male, 4 female) treated for recurrent bacterial meningitis were reviewed. The mean age of the patients was 87 months (range: 6 months to 13 years). There were 67 episodes of meningitis documented in these 14 patients. Six patients had developmental anatomical defects, five had traumatic anatomical defects and three had primary immune deficiency diseases as predisposing conditions. We suggest that, in a case of recurrent meningitis, a pediatrician should question and examine the patient carefully in search of a possible anatomical defect or immunodeficiency. Vaccination and surgical treatment of the anatomical defects may be important.
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PMID:Recurrent bacterial meningitis in children: our experience with 14 cases. 2104 78