![]() We also found that seroprevalence of positive IgE (≥0.35 kU/L) was 27% to B. ![]() The presence of atopy evaluated by SPT reactivity, total IgE levels or specific IgE to HDM were not associated with health care utilization. A history of bronchiolitis, family history of asthma, cohabiting with two or more siblings, passive exposure to smoke and lack of sewage facilities increased the risk of ICU admission due to wheezing. The use of montelukast was negatively associated with hospitalization, while a history of pneumonia and lack of tap water, increased the risk of hospitalization due to wheezing. Results: The maternal report of nocturnal cough without fever in their children increased the risk to have ≥5 ER visits in the last year due to wheezing. Total serum IgE and specific IgE to house dust mite allergens (HDM) were measured by ImmunoCAP ® and allergen sensitization was evaluated by skin prick tests (SPT). Children were evaluated by means of questionnaires and classified according to the number of ER visits, need for hospitalization and history of intensive care unit (ICU) admission due to wheezing within the last year. Methods: One hundred twenty-seven recurrent wheezers (age 2–6 years old) who were admitted to the emergency room (ER) due to wheezing in a Pediatric reference hospital in Cartagena were included. Objective: To evaluate the factors associated with health care utilization in preschool recurrent wheezers in Cartagena, Colombia. Introduction: The severity of wheezing episodes is related with the need for health services, but the factors associated with health care utilization in preschool recurrent wheezers in underdeveloped regions are unclear. 3Institute for Immunological Research, University of Cartagena, Cartagena, Colombia.2Department of Pediatrics and Sleep Medicine, Fundación Neumológica Colombiana, Bogotá, Colombia.1Department of Pediatrics, University of Cartagena and Pediatric Pulmonology Service, Hospital Infantil Napoleón Franco Pareja–La Casa del Niño, Cartagena, Colombia.César Muñoz 1 *, Lissette Guevara 1, María-Isabel Escamilla 2, Ronald Regino 3, Nathalie Acevedo 3 and Jose Miguel Escamilla-Arrieta 1
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