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  • Title: Cerebrospinal fluid non-pleocytosis in pediatric enteroviral meningitis: Large-scale review.
    Author: Song JY, Nam SO, Kim YA, Kim KM, Lyu SY, Ko A, Kim YM, Yeon GM, Lee YJ.
    Journal: Pediatr Int; 2018 Sep; 60(9):855-861. PubMed ID: 29998580.
    Abstract:
    BACKGROUND: Lack of cerebrospinal fluid (CSF) pleocytosis has been reported in some children with enteroviral meningitis (EVM). The aim of this paper was to investigate the clinical spectrum and related factors in EVM with CSF non-pleocytosis. METHODS: The databases of children diagnosed with EVM on CSF polymerase chain reaction between 2011 and 2014 were retrospectively reviewed. CSF pleocytosis was defined at each age using the criteria. Clinical and laboratory variables were compared between patients with CSF pleocytosis and non-pleocytosis. RESULTS: Of the 802 children of EVM, 25.4% (204/802) had CSF non-pleocytosis. In particular, CSF non-pleocytosis was found in 63.3% of the neonates versus in 22.2% of the children aged ≥1 year old, indicating that the ratio of CSF non-pleocytosis had a negative correlation with age (P < 0.001). As the main symptoms, fever (91.8% vs 86.8%, P = 0.038), headache (80.3% vs 63.7%, P < 0.001), and vomiting (75.9% vs 61.8%, P < 0.001) were significantly more frequent in CSF pleocytosis than in CSF non-pleocytosis. Patients with CSF non-pleocytosis had much lower peripheral leukocytosis (10 656 ± 3,662 vs 12 403 ± 4,207/mm3 , P = 0.014) and C-reactive protein (0.7±0.8 vs 1.2±1.5 mg/dL, P < 0.001), and earlier lumbar puncture <24 h after onset (42.6% vs 21.4%, p<0.001). No significant difference during the summer and autumn months was seen between the two groups (76.9% vs 81.9%, P = 0.169). CONCLUSION: CSF non-pleocytosis in childhood EVM was frequently observed, especially in young infants, regardless of season. We propose that CSF PCR testing for enterovirus can be helpful to recognize EVM in children with CSF non-pleocytosis.
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