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Is forced oscillation technique the next respiratory function test of choice in childhood asthma

Afaf Alblooshi1, Alia Alkalbani2, Ghaya Albadi3

  • 1Department of Pediatrics, United Arab Emirates University, Al-Ain, United Arab Emirates. afaf.alblooshi@uaeu.ac.ae.

World Journal of Methodology
|January 23, 2018
PubMed

Insights

The forced oscillation technique (FOT) offers a promising, low-effort method for diagnosing and managing asthma in young children who cannot perform spirometry. This technique facilitates objective lung function measurements, improving pediatric respiratory care.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Medicine
  • Diagnostic Techniques

Background:

  • Asthma is a prevalent respiratory disease in children, posing diagnostic challenges in pre-schoolers due to their inability to perform spirometry.
  • Spirometry, a standard diagnostic tool, is often unsuitable for young children, necessitating alternative methods for objective lung function assessment.
  • The forced oscillation technique (FOT) emerged as a potential solution, requiring minimal effort and cooperation during tidal breathing.

Purpose of the Study:

  • To review the existing literature on the application of the forced oscillation technique (FOT) in diagnosing and managing childhood asthma.
  • To explore the technical and practical aspects of FOT in pediatric clinical settings.
  • To discuss the potential of FOT in assessing baseline lung function, bronchodilator responsiveness, and bronchial hyper-responsiveness in young children.

Main Methods:

  • Review of available literature on the use of FOT in childhood asthma.
  • Description of the technical principles underlying FOT.
  • Discussion of practical clinical applications, including measurement of lung function, bronchodilator response, and airway hyper-responsiveness.

Main Results:

  • FOT requires minimal patient effort, making it suitable for children unable to perform spirometry.
  • Commercial availability of FOT equipment has increased its use in research and clinical practice.
  • FOT can objectively measure baseline lung function and airway reactivity in pre-school children.

Conclusions:

  • The forced oscillation technique (FOT) is a valuable tool for asthma diagnosis and management in young children.
  • FOT facilitates objective lung function assessment in a cooperative manner, overcoming limitations of spirometry.
  • Further research is needed to address encountered difficulties and limitations, and to define future research directions for FOT in pediatric asthma.

Keywords:
AsthmaChildrenForced oscillation techniqueImpulse oscillatoryPre-schoolPulmonary function test

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