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Revista de Salud Pública
Print version ISSN 0124-0064
Abstract
ROJAS-SANCHEZ, Oscar Alberto. Are pets, dog or cat, a risk or a protector factor for the development or exacerbation of asthma? Systematic review of systematic reviews. Rev. salud pública [online]. 2020, vol.22, n.1, pp.104-112. Epub Jan 19, 2021. ISSN 0124-0064. https://doi.org/10.15446/rsap.v22n1.81323.
Background
Preliminary studies have shown conflicting results on the association between exposure to pets (cat or dog) and asthma. Previous scientific evidence has not been clear to determine if avoiding or allowing the exposure to pets could prevent, improve, or worsen the development of asthma and its symptoms.
Objective
To try to explain the controversial relationship between exposure to pets (dog or cat) and its effect on the development of asthma or the exacerbation of symptoms in both children and adults.
Methods
A standardized search in five electronic databases by an independent reviewer was carried out. The final sample of studies included in the overview of systematic reviews was screened and synthesized through a master table. A narrative description of the results was made.
Results
This systematic review of systematic found determined principally that having a cat could be a risk factor and having a dog a protective factor in the development of asthma. However, early exposure to both cats and dogs (before the age of two) reduces the probability of asthma symptoms and wheezing in the school years. Additionally, having antecedents of sensibilization to pets allergen could be a risk factor to exacerbate asthma in both children and adults.
Keywords : Pets; asthma; recurrence; signs and symptoms; systematic review (source: MeSH, NLM).