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Lung function reference values in Iranian adolescents.

N Ahmadial1, S Khamnei, M Abedinzadeh

  • 1Tuberculosis and Lung Research Centre, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran. ahmadyn@tbzmed.ac.ir

Eastern Mediterranean Health Journal = La Revue De Sante De La Mediterranee Orientale = Al-Majallah Al-Sihhiyah Li-Sharq Al-Mutawassit
|March 6, 2007
PubMed
Summary

This study established reference values for pulmonary function in healthy Iranian students, finding significant differences compared to Caucasian reference data. Lung volumes varied notably, especially in males, highlighting the need for population-specific lung function data.

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology
  • Population Health

Background:

  • Limited reference values for pulmonary volumes exist for Iranian populations.
  • Accurate pulmonary function data is crucial for diagnosing respiratory conditions.

Purpose of the Study:

  • To determine reference values for pulmonary volumes in healthy Iranian students.
  • To compare these values with established Caucasian reference standards.

Main Methods:

  • Lung function parameters were measured in 302 non-smoking, healthy Iranian students (152 males, 150 females).
  • Statistical analysis correlated lung function measures with height and body mass index.
  • Comparison with American Thoracic Society reference values was performed.

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Main Results:

  • Pulmonary function measures strongly correlated with height, but not body mass index.
  • Significant differences were observed between measured parameters and Caucasian reference values (P < 0.05).
  • Iranian males exhibited a notably high functional residual capacity (110% higher) and low inspiratory capacity (86% lower) compared to reference values.

Conclusions:

  • Established Caucasian reference values may not be appropriate for the Iranian population.
  • Population-specific reference data for pulmonary volumes is necessary for accurate clinical assessment in Iran.
  • Further research is warranted to refine these population-specific pulmonary function norms.