Introduction.

Bronchiolitis secondary to Respiratory Syncytial Virus, have been associated with recurrent wheezing episodes and development of asthma, even in adulthood. However, the relationship between these pathologies is controversial, and the behavior of this phenomenon in Colombia is not yet known. The aim of this study was to describe the five-year clinical course of children with a history of bronchiolitis who required hospitalization

Materials and methods.

Descriptive study of a retrospective cohort of children under two years of age, with a diagnosis of Bronchiolitis attended at the University Clinic Colombia in the years 2008 to 2011 with follow-up of hospitalizations for respiratory pathologies up to 2016. 306 patient clinical histories were reviewed and characteristics were analyzed. socio-demographic, viral isolates and pharmacological management.

Results.

The years with the highest number of hospitalizations for wheezing episodes after the bronchiolitis episode were 2009 and 2011 with an accumulated incidence of 15.6% and 9.9%. The average age of hospitalization was 6 months and more frequent in men. The syncytial virus was isolated more frequently in the years of follow-up, and most of the cases required antibiotic management; ampicillin sulbactam (28.5%) and ampicillin (22.6%).

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