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[Validity of peak flow record in asthmatic children residing in Mexico City]

Diana Jiménez-Millán1, Matiana Ramírez-Aguilar, Hortensia Moreno-Macías

  • 1Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.

Salud Publica De Mexico
|June 26, 2007
PubMed

Insights

Parents of children with moderate or severe asthma accurately report peak expiratory flow (PEF) values, especially those aged 6-8. This finding is crucial for effective asthma management and monitoring in pediatric patients.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Medicine
  • Biomedical Engineering

Context:

  • Asthma management in children relies on accurate monitoring of lung function.
  • Peak Expiratory Flow (PEF) is a key indicator of asthma control.
  • Discrepancies between parent-reported and device-measured PEF can impact treatment decisions.

Purpose:

  • To assess the agreement between parent-reported maximum peak expiratory flow records (PEFr) and electronic values from the AirWatch device (PEFe) in asthmatic children.
  • To identify factors influencing the concordance of PEF measurements.

Summary:

  • A study of 42 asthmatic children (5-15 years) found high concordance (r=0.96) between parent-reported and device-measured PEF in moderate to severe asthma cases.
  • Concordance was lower (r=0.40) in mild asthma cases.
  • Asthma severity, age, gender, and follow-up duration predicted measurement differences.

Impact:

  • Parental reporting of PEF is highly accurate for children with moderate to severe asthma, particularly those aged 6-8 years.
  • This suggests that parental diaries can be reliable tools for monitoring PEF in specific pediatric asthma populations.
  • Findings inform the use of home-based monitoring tools in pediatric asthma care.
Abstract

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