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Artigo em Inglês | IMSEAR | ID: sea-12783

RESUMO

OBJECTIVES: To determine clinical predictors of hypoxemia in children with acute lower respiratory tract infection (ALRI). DESIGN: Cross-sectional study. SETTING: Emergency department of All India Institute of Medical Sciences, a tertiary care hospital. SUBJECTS: 109 under five children, with ALRI. METHODS: Clinical symptoms and signs were recorded. Oxygen saturation was determined by a pulse oximeter. Hypoxemia was defined as oxygen saturation less than 90%. The ability of various clinical symptoms and signs to predict the presence of hypoxemia was evaluated. RESULTS: Twenty-eight (25.7%) children were hypoxemic. No symptoms were statistically associated with hypoxemia. Tachypnea, suprasternal indrawing, intercostal indrawing, lower chest indrawing, cyanosis, crepitations, and rhonchi were statistically significantly associated with hypoxemia. A simple model using the presence of rapid breathing (> or =80/min in children < or =3 m, > or =70/min in >3-12 m and > or =60/min in >12 m) or lower chest indrawing had a sensitivity of 78.5% and specificity of 66.7% for detecting hypoxemia. No individual clinical symptom/sign or a combination had both sufficient sensitivity and specificity to identify hypoxemia. CONCLUSION: None of the clinical features either alone or in combination have desirable sensitivity and specificity to predict hypoxemia in children with acute lower respiratory tract infection.


Assuntos
Doença Aguda , Hipóxia/diagnóstico , Distribuição de Qui-Quadrado , Criança , Pré-Escolar , Estudos Transversais , Serviço Hospitalar de Emergência , Feminino , Humanos , Incidência , Lactente , Masculino , Razão de Chances , Oximetria , Valor Preditivo dos Testes , Troca Gasosa Pulmonar , Testes de Função Respiratória , Infecções Respiratórias/diagnóstico , Medição de Risco , Sensibilidade e Especificidade , Índice de Gravidade de Doença
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