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Related Experiment Videos

Breathing patterns in asthmatic children during attack.

H Asai1, S Onisawa, N Furuya

  • 1First Department of Pediatrics, Dokkyo University, School of Medicine, Tochigi, Japan.

The Journal of Asthma : Official Journal of the Association for the Care of Asthma
|January 1, 1990
PubMed
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Asthmatic children during severe attacks show prolonged expiratory time, but inspiratory time remains unchanged. Mild attacks did not significantly alter breathing patterns, indicating changes are specific to severe asthma exacerbations.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Physiology
  • Medical Instrumentation

Background:

  • Asthma is a common chronic respiratory disease in children.
  • Understanding breathing pattern alterations during asthma attacks is crucial for diagnosis and management.
  • Previous studies have explored respiratory dynamics in asthma, but detailed pattern analysis during varying attack severities is needed.

Purpose of the Study:

  • To investigate and characterize breathing patterns in pediatric asthma patients during acute attacks.
  • To identify specific respiratory changes associated with the severity of asthma exacerbations.
  • To evaluate the utility of multielectrode impedance pneumography in analyzing these patterns.

Main Methods:

  • Utilized multielectrode impedance pneumography (MIP) to record breathing patterns in children with asthma.

Related Experiment Videos

  • Analyzed a large dataset of respiration patterns using personal computer-based algorithms.
  • Compared breathing parameters, including inspiratory and expiratory times, across different asthma attack severities (mild vs. severe).

    • Main Results:

    • Severe asthma attacks were characterized by a significant prolongation of expiratory time.
    • Inspiratory time showed no significant alteration, irrespective of the asthma attack's severity.
    • Mild asthma attacks did not exhibit remarkable changes in the analyzed breathing patterns.

    Conclusions:

    • Breathing patterns in asthmatic children remain largely unchanged during mild attacks.
    • Prolonged expiratory time is a key indicator of severe asthma exacerbations.
    • Multielectrode impedance pneumography is a valuable tool for identifying specific respiratory alterations in pediatric asthma.