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[Respiratory function in allergic asthmatic children and its relation to the environmental pollen concentration]

Celsa López Campos1, Cuauhtémoc B Rincón Castañeda, Víctor Borja Aburto

  • 1Unidad de Investigación Médica en Epidemiología Clínica, Hospital de Especialidades núm. 71, Centro Médico Nacional de Torreón, Coahuila, IMSS. lopezcelsa@yahoo.com.mx

Revista Alergia Mexico (Tecamachalco, Puebla, Mexico : 1993)
|September 30, 2003
PubMed

Insights

Environmental pollen, specifically Chenopodiaceae and Amaranthaceae, impacts pediatric asthma. Winter pollen exposure correlates with changes in children's peak expiratory flow (PEF), indicating a link between air quality and respiratory health.

Area of Science:

  • Pediatric Pulmonology
  • Environmental Health Science
  • Allergology

Context:

  • Bronchial asthma is a prevalent chronic childhood illness, leading to significant school and work absenteeism.
  • Understanding environmental triggers is crucial for managing pediatric asthma effectively.
  • Home monitoring of respiratory function provides valuable data on daily variations.

Purpose:

  • To investigate the relationship between respiratory function in asthmatic children and environmental factors, including airborne contaminants and climate.
  • To assess the correlation between peak expiratory flow (PEF) measurements and specific environmental exposures.
  • To identify potential triggers for asthma exacerbations in children.

Summary:

  • A study monitored 26 asthmatic children over eight months, measuring peak expiratory flow (PEF) twice daily.
  • No significant association was found between PEF and most pollen types from June to November.
  • However, a significant link emerged between winter concentrations of Chenopodiaceae and Amaranthaceae pollen and the difference in daily PEF (Difpef) (p < 0.05).

Impact:

  • Environmental Chenopodiaceae and Amaranthaceae pollen are associated with a variability of 0.0075 L/min in Difpef per pollen grain/m³ during winter post-rain periods.
  • This finding highlights the importance of monitoring specific airborne allergens during winter months for asthmatic children.
  • Results can inform public health strategies and patient management for pediatric asthma in the Comarca Lagunera region.
Abstract

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