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1.
Ann Trop Paediatr ; 27(1): 25-30, 2007 Mar.
Article in English | MEDLINE | ID: mdl-17469729

ABSTRACT

BACKGROUND: Despite improvement in the treatment of Neisseria meningitidis infection, meningococcal diseases (MD) are still an important cause of morbidity and mortality around the world. This study assessed the performance of the product of platelet and neutrophil counts (PN product) at the time of presentation to hospital as a predictor of outcome in children with MD. METHODS: Retrospective evaluation of children with clinical MD admitted to two paediatric intensive care units in Brazil. RESULTS: Seventy-two children aged 2-156 months were studied. Overall mortality was 19.7%. The PN product, the Glasgow Meningococcal Septicaemia Prognostic Score and the Paediatric Risk of Mortality score discriminated between survivors and non-survivors. A PN < or = 113 had a sensitivity of 28.6% (95% CI 8.6-58.1), specificity of 96.6% (95% CI 88.1-99.5) and positive and negative predictive values of 66.7% and 84.8%. The area under the receiver operating characteristic curve was 0.85 (95% CI 0.74-0.92). CONCLUSION: The PN product had a lower performance than reported in previous studies from a developed country. The PN product, however, is a good indicator of mortality in MD but needs to be validated for the population to which it is being applied.


Subject(s)
Meningococcal Infections/diagnosis , Adolescent , Child , Child, Preschool , Epidemiologic Methods , Female , Hospitalization , Humans , Infant , Leukocyte Count , Male , Meningococcal Infections/blood , Meningococcal Infections/mortality , Neutrophils/pathology , Platelet Count , Prognosis , Severity of Illness Index
2.
Rev. bras. ter. intensiva ; 10(2): 96-100, abr.-jun. 1998. ilus
Article in Portuguese | LILACS | ID: lil-223576

ABSTRACT

A utilizaçao da mistura de gás na qual o nitrogênio é substituído pelo hélio representa uma nova terapêutica no tratamento de pacientes com patologias que apresentam aumento da resistência de vias aéreas. Uma mistura de 80 por cento de hélio e 20 por cento de oxigênio tem propriedades físicas que aumentam o fluxo de ar e diminuem a resistência na via aérea quando utilizada como uma fraçao do gás inspirado. Nesse artigo de revisao nós discutimos a utilizaçao do heliox em crianças com várias alteraçoes respiratórias (obstruçao de vias aéreas superiores, síndrome do desconforto respiratório agudo, asma aguda, fibrose cística e nos pós-operatório de cirurgia cardíaca). Concluímos que o heliox representa no momento uma terapêutica adicional benéfica em relaçao a terapêutica convencional nas crianças criticamente enfermas com falência respiratória do tipo obstrutivo, podendo evitar a utilizaçao de ventilaçao pulmonar mecânica e portanto diminuindo a morbidade. Entretanto, sao necessárias maiores investigaçoes com utilizaçao de heliox nos pacientes pediátricos.


Subject(s)
Humans , Child , Helium/therapeutic use , Lung Diseases/therapy , Oxygen/therapeutic use , Helium/administration & dosage , Oxygen/administration & dosage
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