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Pediatría Atención Primaria

versión impresa ISSN 1139-7632

Resumen

MARTIN RUIZ, N.; GALBE SANCHEZ-VENTURA, J.; GARCIA SANCHEZ, N.  y  RUIZ ANDRES, M.Á.. Study of pandemic A nH1N1 influenza (2009-2010): Guiding signs in primary care and comparison with hospitalized cases. Rev Pediatr Aten Primaria [online]. 2011, vol.13, n.52, pp.519-530. ISSN 1139-7632.  http://dx.doi.org/10.4321/S1139-76322011000600002.

Objectives: to analyze the prediction's capacity of clinical symptoms to diagnose nH1N1 Influenza in outpatients who were chosen by Aragon's Sentinel surveillance Network. To compare outpatients with hospitalized cases during influenza A virus pandemic (2009-2010). Methods: retrospective study of a randomized group of patients with symptoms of influenza who had laboratory-confirmation by PCR-RT and of all patients admitted to the reference hospital of Aragon. Comparison of epidemiological and clinical characteristics in outpatients and between outpatients and hospital cases. Results: there were no clinical differences between the laboratory-confirmed by PCR-RT cases and the other outpatients, so it was not possible to find defining symptoms of infection. Hospitalized patients were younger, with higher percentage of underlying disease and comorbidity. Conclusions: the epidemic of influenza A behaved as a benign disease, symptoms were similar to seasonal influenza. The clinical finding of having influenza symptoms in a high incidence week (weeks 43-48) was moderately predictive of influenza A infection.

Palabras clave : Influenza A Virus, nH1N1 Subtype; Outpatients; Primary Care; Signs and symptoms; Complications; Epidemiology; Sentinel surveillance.

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