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Revista chilena de pediatría

versión impresa ISSN 0370-4106

Resumen

PORTILLO, C.M.  y  CRUZ, J.. A quick viral diagnostic method by immunofluorescence in acute respiratory illnes in hospitalized children. Rev. chil. pediatr. [online]. 2000, vol.71, n.1, pp.72-77. ISSN 0370-4106.  http://dx.doi.org/10.4067/S0370-41062000000100016.

The Acute Respiratory Tract Infection is a most important cause of mortality in Pediatrics were the virus have a relevant role that can be detected by the rapid method by inmunofluorescence indirect assay with the similar sensitivity to cell culture assay. The objective of this study was to evaluate the viral frequency in children who were hospitalized with acute respiratory infection in different hospitals of the country and to know the clinical and epidemiologic aspects. In this transversal study, from the period of January to December 1997 were analized 111 nasopharingeal aspirate, swabs and bronchoalveolar lavage from children with age range from 15 days to 10 years old. From de sample analized were identifided the viral antigen in 59 samples (53%) and were Respiratory Sincytial virus (47%), Adenovirus (3.6%), Influenza virus A (5.4%), Influenza virus B (1.8%), Parainfluenza virus (5.4%). The clinical patterns included bronchiolitis (49%), Pneumonia (42%), Croup (8.5%). The Infection by Respiratory Sincytial Virus was found in a high frequency in the winter with peak in august (63%) in infants. The Influenza A virus showed a similar seasonal frequency with severe cases in children above 5 years old. The cases by Adenovirus were sporadic but one was fatal. The Parainfluenza virus was present in children less than 1 year old. Mixed associations of virus was observed. This useful technique to diagnosis showed a first date about the epidemiology of IRA with a viral etiology associated in children population of the country that needed hospitalization this year and were similar to observed in others countries

Palabras clave : acute respiratory tract infection; inmunoflurescence; respiratory viruse.

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