Introduction:

respiratory sounds in preschool children are the main causes of morbidity treated in allergy clinics and represent a significant number of hospital admissions.

Objective:

to characterize the behavior of wheezing in children less than five years admitted to the respiratory service of the Pediatric Teaching Provincial Hospital "José Martí" of Sancti Spíritus, from November 2015 to November 2016.

Method:

a study was descriptive, transversal; the universe was constituted by 242 patients less than five years admitted for wheezing in this service. Among the studied variables: age groups, sex, family atopic background, nosological diagnosis, and phenotype.

Results:

predominated infants, male sex, urban residence, bronchiolitis as diagnosis at admission, the history of family atopic was more frequent among mothers with a diagnosis of asthma, the personal atopic background; persistent atopic wheezing was more frequent; Total immunoglobulin E was elevated in a frequent number of cases.

Conclusions:

the highest number of cases in the included patients had a risk of bronchial asthma, with predominance of males, present family history and atopic family history as well as elevated total serum immunoglobulin E.

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