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. 2006 Jun;134(3):506-13.
doi: 10.1017/S0950268805005571.

Risk factors for hospitalization due to respiratory syncytial virus infection among infants in the Basque Country, Spain

G Cilla  1 , A Sarasua, M Montes, N Arostegui, D Vicente, E Pérez-Yarza, E Pérez-Trallero
Affiliations

Risk factors for hospitalization due to respiratory syncytial virus infection among infants in the Basque Country, Spain

G Cilla et al. Epidemiol Infect. 2006 Jun.

Abstract

This study analysed the role of several risk factors for hospitalization due to community-acquired, respiratory syncytial virus (RSV) infection. The risk factors detected in infants hospitalized for RSV infection in the first 24 months of life were compared with those in the general infant population in our region. There were 361 episodes of hospitalization in 357 infants. Eighty per cent of the infants did not present underlying conditions for severe RSV infection and only 10 (3%) were candidates for palivizumab prophylaxis. In multivariate analysis, birthweight of <2500 g was independently associated with hospitalization for RSV infection and was the most commonly detected medical risk factor. Other risk factors were maternal age at delivery <25 years, birth in the second half of the year, prematurity, suburban residence and congenital heart disease. In conclusion, together with well-known risk factors, we found that low birthweight was an independent factor for severe RSV infection.

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Figures

Fig. 1
Fig. 1
Distribution by age of infants born between July 1996 and June 2000 hospitalized for virologically confirmed respiratory syncytial virus infection in the first 2 years of life.
Fig. 2
Fig. 2
Monthly distribution of children hospitalized due to severe respiratory syncytial virus infection.
See this image and copyright information in PMC

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