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Related Experiment Video

Updated: Sep 10, 2025

A Standardized Method for Measuring Internal Lung Surface Area via Mouse Pneumonectomy and Prosthesis Implantation
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Peripubertal lung growth pattern in Japanese school children.

Satoshi Konno1, Masataka Taguri2, Hiroshi Odajima3

  • 1Department of Respiratory Medicine, Faculty of Medicine, Hokkaido University, Sapporo, Japan.

Physiological Reports
|August 27, 2025
PubMed
Summary

Lung function growth, including forced vital capacity (FVC) and forced expiratory volume in 1s (FEV1), lags behind peak height velocity in children. Significant sex differences emerge in lung growth patterns during peripuberty.

Keywords:
childrenlung grwothpuberty

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Area of Science:

  • Pediatric Pulmonology
  • Growth and Development
  • Biometrics

Background:

  • Peripubertal lung function growth relative to height remains poorly understood.
  • Understanding these patterns is crucial for assessing respiratory health during childhood development.

Purpose of the Study:

  • To determine the relationship between peak lung function growth velocity and peak height velocity (APHV).
  • To identify sex-specific differences in lung function growth trajectories during peripuberty.

Main Methods:

  • Longitudinal study of 2099 children (aged 9-15) measuring lung function and height annually from 2011-2018.
  • Utilized the Super Imposition by Translation and Rotation (SITR) model for quarterly categorization based on APHV.
  • Analyzed peak growth velocity timing for forced vital capacity (FVC) and forced expiratory volume in 1s (FEV1) relative to APHV.

Main Results:

  • Peak growth velocity for FVC and FEV1 occurred 2-12 months after APHV, with a trend for later APHV to show a greater lag.
  • Males exhibited a U-shaped trajectory for FEV1/FVC ratio, decreasing then increasing with age, unlike females.
  • Males showed significantly greater FVC and FEV1 than females once height surpassed 150-160 cm.

Conclusions:

  • Peripubertal lung growth exhibits considerable variability in relation to height.
  • Distinct sex-based differences exist in the growth patterns of airway and parenchymal lung components during this developmental stage.