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Maximal respiratory pressure in healthy Japanese children

Miki Tagami1, Yukako Okuno2, Tadamitsu Matsuda1

  • 1Department of Physical Therapy, Uekusa Gakuen University, Japan.

Journal of Physical Therapy Science
|March 31, 2017
PubMed

Insights

This study establishes normal respiratory muscle pressure values for Japanese children aged 3-12. Findings indicate pressures increase with age and are higher in boys, suggesting ethnic variations in respiratory function.

Area of Science:

  • Pediatric Physiology
  • Respiratory Medicine

Background:

  • Normal respiratory muscle pressure values in Japanese children are currently unreported.
  • Understanding developmental changes in respiratory muscle strength is crucial for pediatric health assessments.

Purpose of the Study:

  • To establish normative reference values for respiratory muscle pressures in Japanese children aged 3 to 12 years.
  • To investigate the influence of age and sex on respiratory muscle pressures during childhood development.

Main Methods:

  • Respiratory muscle pressures were measured using a manovacuometer in 218 Japanese children (ages 3-12).
  • Participants were divided into three age groups: 3-6, 7-9, and 10-12 years.
  • Measurements were taken with subjects in a sitting position without a nose clip.

Main Results:

  • Respiratory muscle pressures significantly increased with age in both boys and girls.
  • Boys exhibited higher respiratory muscle pressures compared to girls across all age groups.
  • Positive correlations were observed between maximal respiratory pressure and age, height, and weight.

Conclusions:

  • This study provides age-specific pediatric respiratory muscle pressure reference values for Japanese children.
  • Observed lower values compared to Brazilian studies suggest potential ethnic variations in respiratory muscle pressures.
  • These findings contribute to a better understanding of respiratory development and ethnic differences in pediatric populations.

Keywords:
Correlated factorsJapanese childrenRespiratory muscle pressures

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