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Prevalence of urinary cotinine levels in children under 5 years of age during consultations for acute respiratory disease at the emergency department of the Universidad de La Sabana clinic

Authors
  • Tovar, María Fernanda1
  • Ortiz, Wendy1
  • Valderrama, María Alejandra1
  • Rodríguez, Fabio1
  • Gamboa, Oscar1
  • Maldonado, María José2
  • Agudelo, Sergio Iván2
  • 1 Universidad de La Sabana, Chía, Colombia , Chía (Colombia)
  • 2 Universidad de la Sabana Clinic, School of Medicine, Universidad de La Sabana, Chía, Colombia , Chía (Colombia)
Type
Published Article
Journal
BMC Pediatrics
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jun 16, 2020
Volume
20
Issue
1
Identifiers
DOI: 10.1186/s12887-020-02193-8
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundSeveral environmental factors favour the occurrence of acute respiratory disease, which is the main reason for paediatric consultations in our country (Colombia). Tobacco smoke is considered a significant environmental pollutant with a great impact on health. The objective of this study is to estimate the prevalence of cotinine levels measured in urine, in children between 1 to 60 months of age who attended an emergency department with acute respiratory disease.MethodsA cross-sectional study was conducted that included children between 1 and 60 months of age with acute respiratory disease who were admitted to the emergency department of the Universidad de La Sabana Clinic between April and July 2016.ResultsWe included 268 patients and 36% were female. Of the total population examined, 33.96% showed positive results for urinary cotinine, of whom 97.8% had values between 10 and 100 ng/ml, which is considered positive for exposure to second-hand smoke. The principal pathology was recurrent wheezing in 43.96% of these cases. Regarding the presence of smokers at home, it is important to mention that in 54.95% of the children with positive urinary cotinine test was no related with smokers at home. And in 45.05% of positive urinary cotinine was evidence of smokers at home, being associated with the positive result P < 0.001 and smoking within the house P = 0.018; smoking when children were present did not have significant P = 0.105. The activities performed after smoking such as hand washing, change of clothes, eating, brushing teeth, did not influence the test result P = 0.627.ConclusionsA high prevalence of urinary cotinine was observed, which is associated with the presence of a smoker at home, and this relationship was independent of the activities performed by the smoker after smoking. In addition, a positive test for urinary cotinine was presented in some children without documented exposure to cigarette smoke inside the home, which may be explained by the presence of environmental cotinine. Therefore, it is necessary to perform educational interventions aimed at parents and caregivers who smoke.

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