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Assessment of Child Anthropometry in a Large Epidemiologic Study
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Chest diameter ratios for detecting static hyperinflation in children using photogrammetry.

Denise da V Ricieri1, Nelson A Rosário, Jecilene R Costa

  • 1Departamento de Pediatria, Universidade Federal do Paraná (UFPR), Curitiba, PR, Brazil. denise.ricieri@ufpr.br

Jornal De Pediatria
|October 17, 2008
PubMed
Summary

Photogrammetry can identify pulmonary hyperinflation in children by measuring chest diameter ratios. This method showed significantly higher ratios in asthmatic children, indicating its potential for diagnosing air entrapment.

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Area of Science:

  • Medical Imaging
  • Pulmonary Medicine
  • Pediatrics

Background:

  • Pulmonary hyperinflation is a key indicator of air entrapment in asthma.
  • Accurate and accessible methods for identifying hyperinflation are crucial for pediatric respiratory care.

Purpose of the Study:

  • To develop and validate a photogrammetric technique for detecting increased anteroposterior chest diameters indicative of pulmonary hyperinflation.
  • To assess the efficacy of this method in differentiating between asthmatic and asthma-free children.

Main Methods:

  • A descriptive analysis of chest diameters from digital images of 56 children (8-12 years) was performed.
  • A case-control study compared 19 asthmatic children with 37 asthma-free children.
  • Diameter ratios were calculated from front and side view images using CorelDRAW software.

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Last Updated: Jun 28, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
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Main Results:

  • Asthmatic children exhibited significantly higher mean sternal diameter ratios compared to the overall sample and the asthma-free group (p < 0.01).
  • Diameter ratios approaching or exceeding 1 suggest a cylindrical chest shape, characteristic of hyperinflation.

Conclusions:

  • Photogrammetry-derived diameter ratios offer a promising, non-invasive tool for identifying pulmonary hyperinflation in children.
  • This method shows potential for detecting a kinesiopathological manifestation linked to air entrapment in asthma patients.
  • Further research combining clinical data and longitudinal follow-up is recommended to strengthen evidence.