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Improving the diagnosis of meningitis due to enterovirus and herpes simplex virus I and II in a tertiary care hospital
Journal article   Open access   Peer reviewed

Improving the diagnosis of meningitis due to enterovirus and herpes simplex virus I and II in a tertiary care hospital

Eduardo Casaroto, Alexandre R Marra, Fernando Morgadinho S Coelho, Joao Renato Rebello Pinho, Roberta Sitnik, Fernando Colombari, Elivane Silva Victor, Nair Hideko Muto, Carlos Senne, Oscar Fernando Pavão dos Santos, …
BMC infectious diseases, Vol.13(1), 487
10/21/2013
DOI: 10.1186/1471-2334-13-487
PMCID: PMC3853767
PMID: 24138798
url
https://doi.org/10.1186/1471-2334-13-487View
Published (Version of record) Open Access

Abstract

Enterovirus and herpes simplex viruses are common causes of lymphocytic meningitis. The purpose of this study was to analyse the impact of the use molecular testing for Enteroviruses and Herpes simplex viruses I and II in all suspected cases of viral meningitis. From November 18, 2008 to November 17, 2009 (phase II, intervention), all patients admitted with suspected viral meningitis (with pleocytosis) had a CSF sample tested using a nucleic acid amplification test (NAAT). Data collected during this period were compared to those from the previous one-year period, i.e. November 18, 2007 to November 17, 2008 (phase I, observational), when such tests were available but not routinely used. In total, 2,536 CSF samples were assessed, of which 1,264 were from phase I, and 1,272 from phase II. Of this total, a NAAT for Enterovirus was ordered in 123 cases during phase I (9.7% of the total phase I sample) and in 221 cases in phase II (17.4% of the total phase II sample). From these, Enterovirus was confirmed in 35 (28.5%, 35/123) patients during phase I and 71 (32.1%, 71/221) patients during phase II (p = 0.107). The rate of diagnosis of meningitis by HSV I and II did not differ between the groups (13 patients, 6.5% in phase I and 13, 4.7% in phase II) (p = 1.0), from 200 cases in phase I and 274 cases in phase II. The number of cases diagnosed with enteroviral meningitis increased during the course of this study, leading us to believe that the strategy of performing NAAT for Enterovirus on every CSF sample with pleocytosis is fully justified.
Enterovirus Infections - diagnosis Herpes Simplex - diagnosis Meningitis, Viral - diagnosis Meningitis, Viral - virology Humans Child, Preschool Infant Male Enterovirus - isolation & purification Hospitalization Tertiary Healthcare Young Adult Herpes Simplex - virology Enterovirus Infections - virology Simplexvirus - isolation & purification Adolescent Adult Female Child

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