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      Tratamiento sin antibióticos en recién nacidos febriles con pleocitosis del líquido cefalorraquídeo y presunta meningitis viral Translated title: Treatment without antibiotics in febrile infants presenting with cerebrospinal fluid pleocytosis and supposed viral meningitis

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          Abstract

          INTRODUCCIÓN. El objetivo de esta investigación fue presentar la experiencia en antibioticoterapia en recién nacidos (RN) febriles con pleocitosis del líquido cefalorraquídeo (LCR) y presunción médica de meningitis viral. MÉTODOS. Se realizó un estudio retrospectivo con 310 RN con diagnóstico de meningitis aséptica, ingresados en el Servicio de Neonatología del Hospital Pediátrico Universitario «Juan Manuel Márquez» entre 1992 y 2009. Se determinó, utilizando estadística descriptiva, la indicación o no de tratamiento antibiótico, momento y motivos de la indicación. RESULTADOS. Hubo 204 RN (65,8 %) con meningitis aséptica que egresaron favorablemente sin haber recibido tratamiento antibiótico. En 106 RN (34,2 %) se indicaron antibióticos (en 76 inmediatamente al diagnóstico de meningitis y en 30 casos, mediatamente por diversos motivos). Los motivos para tratamiento inmediato fueron principalmente los resultados del examen citoquímico del LCR muy semejantes a los de una meningitis de causa bacteriana y los antecedentes de fiebre elevada o persistente. En la indicación mediata el principal motivo fue la concurrencia de infección del tracto urinario. En los pacientes que nunca recibieron tratamiento antibiótico, la mediana de estadía hospitalaria fue de 4 días (intervalo intercuartil 3-5 días) y para los que sí lo recibieron fue de 5 días (intervalo intercuartil 4-7 días) (p < 0,0001). CONCLUSIONES. Es aconsejable revisar el enfoque de utilizar tratamiento antibiótico ante todo RN proveniente de la comunidad cuando se encuentra pleocitosis del LCR y se presume la existencia de una meningitis viral, siempre y cuando existan condiciones de vigilancia profesional calificada y continua, y un laboratorio de microbiología con recursos suficientes para respaldar una estrategia de tratamiento con uso racional de la antibioticoterapia.

          Translated abstract

          INTRODUCTION. The aim of present research was to present the antibiotic-therapy experience in febrile newborn (NB) presenting with cerebrospinal fluid pleocytosis (CSFP) and supposed viral meningitis. METHODS. A retrospective study was conducted in 310 NB diagnosed with aseptic meningitis admitted in the Neonatology Service of the "Juan Manuel Márquez" Children University Hospital between 1992 and 2009. Using the descriptive statistic method the indication or not of antibiotic treatment, moment and indication reasons were determined. RESULTS. There were 204 NB (65,8%) presenting with aseptic meningitis favorably discharged without antibiotic treatment. In 106 NB (34,2%) antibiotics were prescribed (in 76 immediately to be diagnosed with meningitis and in 30 cases, due to different reasons. The reasons for immediate treatment were mainly the results of cytochemical examination of CSF very similar to that of bacterial meningitis and backgrounds of a high or persistent fever. In mediate indication the main reason was the concurrence urinary tract infection. In patients that never were received antibiotic treatment, the hospital stay mean was of 4 days (inter-quartile interval 3-5 days), and for those that received treatment it was of 5 days (inter-quartile 3-7 days) (p < 0,0001). CONCLUSIONS. It is advisable to review the approach to use the antibiotic treatment in the case of a NB from the community when there is CSF pleocytosis and the supposed existence of viral meningitis provided that there are conditions of qualified and continuous professional surveillance and a laboratory with enough resources to support a treatment strategy with a rational use of the antibiotic therapy.

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          Cerebrospinal fluid findings in aseptic versus bacterial meningitis.

          Aseptic meningitis is often reported to be characterized by a mononuclear cell predominance in the cerebrospinal fluid (CSF), whereas bacterial meningitis is characterized by a polymorphonuclear (PMN) cell predominance. In contrast, other studies suggest that PMNs can be the most prevalent cell in early aseptic meningitis followed by a shift to mononuclear cells within 24 hours. These contradictory reports may lead to uncertainty in the diagnosis and treatment of meningitis. To assess 1) the characteristics of the CSF differential in aseptic versus bacterial meningitis, 2) the influence of duration of illness on the CSF differential, and 3) the role of the CSF differential in discriminating between aseptic versus bacterial meningitis. A retrospective chart review was conducted of all cases of meningitis in children >30 days of age hospitalized during the peak months for enteroviral meningitis (April to October) between 1992 to 1997. Cases of aseptic meningitis were defined as having at least 20 white blood cells/mm(3) and the absence of bacterial growth on culture. Patients were excluded if they received antibiotic therapy within the previous 5 days. Cases of bacterial meningitis were defined as having a positive culture of the CSF or the presence of a CSF pleocytosis with positive cultures of the blood. CSF variables including white blood cell differential and time from the onset of symptoms to the performance of a lumbar puncture were analyzed. PMNs were considered to be predominant when the percentage of neutrophils added to juvenile forms was >50% of cells. One hundred fifty-eight cases of meningitis were reviewed: 138 were aseptic and 20 were bacterial. The patients ranged in age from 30 days to 18 years; 61% were male. Fifty-seven percent of cases of aseptic meningitis had a PMN predominance. The percentage of PMNs in the CSF in patients with aseptic meningitis was not statistically different for patients who had a lumbar puncture performed either within or beyond 24 hours of the onset of symptoms. Fifty-one percent of the 53 patients with aseptic meningitis and duration of illness >24 hours had a PMN predominance. The ability of a PMN predominance to differentiate between aseptic and bacterial meningitis was assessed. The sensitivity of a PMN predominance for aseptic meningitis is 57% whereas the specificity is 10%. The positive predictive value of a PMN predominance for aseptic disease is 81% but the negative predictive value is 3%. Alternative definitions of PMN predominance from 60% to 90% were not useful as a clinical indicator of bacterial disease. The majority of children with aseptic meningitis have a PMN predominance in the CSF. The PMN predominance is not limited to the first 24 hours of illness. Because the majority of children with a PMN predominance during enteroviral season will have aseptic disease, a PMN predominance as a sole criterion does not discriminate between aseptic and bacterial meningitis.
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            Aseptic meningitis in infants < 2 years of age: diagnosis and etiology.

            Standard virologic methods were used to characterize the relative contribution of each of the enterovirus classes to the etiology of aseptic meningitis during a prospective study of this disease among children < 24 months old. Viruses were isolated in cell culture from 164 (60%) of 274 cases identified over 5 years and in newborn mice from only 2 of 104 remaining cell culture-negative cases. Serologic tests identified the viral pathogen in 3 additional cases. The group B coxsackieviruses and the echoviruses were implicated in 156 (92%) of the 169 laboratory-diagnosed cases. Forty-eight percent of all diagnosed cases were due to group B coxsackievirus serotypes 2, 4, and 5; 78% of all cases were attributable to only 8 of the 67 known enterovirus serotypes. Polioviruses were the only viruses isolated from 7 children, including a cerebrospinal fluid isolate from 1 child and a urine isolate from another. Disease was attributable to the group A coxsackie-viruses for only 3 cases.
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              Routine cerebrospinal fluid enterovirus polymerase chain reaction testing reduces hospitalization and antibiotic use for infants 90 days of age or younger.

              The goal was to evaluate the impact of cerebrospinal fluid enterovirus polymerase chain reaction testing on the length of hospitalization and the duration of antibiotic use for infants < or = 90 days of age with suspected aseptic meningitis. This retrospective cohort study was conducted at an urban, tertiary-care children's hospital. Data were collected for 478 patients < or = 90 days of age for whom cerebrospinal fluid enterovirus polymerase chain reaction testing was performed during the enteroviral seasons of 2000 to 2006. The length of hospitalization and the duration of antibiotic use were assessed. Cerebrospinal fluid enterovirus polymerase chain reaction test results were positive for 154 patients (34.8%). The mean length of stay was 3.65 days. The median polymerase chain reaction turnaround time was 23 hours. In multivariate analysis, having a positive cerebrospinal fluid enterovirus polymerase chain reaction result was associated with a 1.54-day decrease in the length of stay and a 33.7% shorter duration of antibiotic use. When patients were stratified according to the presence or absence of pleocytosis, both groups demonstrated significant reductions in the length of stay with positive cerebrospinal fluid enterovirus polymerase chain reaction results (1.32 and 1.38 days, respectively). Furthermore, increasing the polymerase chain reaction turnaround time by 24 hours increased the length of stay by 13.6% for patients with positive cerebrospinal fluid enterovirus polymerase chain reaction results. Having positive cerebrospinal fluid enterovirus polymerase chain reaction results decreases the length of hospitalization and the duration of antibiotic use for young infants. These results support the routine use of this test during periods of peak enterovirus prevalence.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ped
                Revista Cubana de Pediatría
                Rev Cubana Pediatr
                Editorial Ciencias Médicas (Ciudad de la Habana )
                1561-3119
                March 2011
                : 83
                : 1
                : 1-13
                Affiliations
                [1 ] Hospital Pediátrico Universitario Juan Manuel Márquez Cuba
                Article
                S0034-75312011000100001
                3e0170bc-6351-42d5-8b24-ce579165f4e1

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Cuba

                Self URI (journal page): http://scielo.sld.cu/scielo.php?script=sci_serial&pid=0034-7531&lng=en
                Categories
                PEDIATRICS

                Pediatrics
                Newborn,viral meningitis,aseptic meningitis,fever,antibiotic treatment,cerebrospinal fluid,Recién nacido,meningitis viral,meningitis aséptica,fiebre,tratamiento antibiótico,líquido cefalorraquídeo

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