Spirometry reference equations for children from a Middle Eastern population

Walid Al-Qerem1

  • 1Faculty of Pharmacy, College of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan.

Insights

New spirometry reference equations were developed for Middle Eastern children, improving lung function assessment. These customized equations are more accurate than global standards for this population.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Medicine
  • Biostatistics

Background:

  • Spirometry is crucial for assessing pediatric lung function.
  • Existing spirometric reference equations lack universal applicability, particularly for Middle Eastern children.
  • Individual characteristics necessitate tailored reference values.

Purpose of the Study:

  • To develop specific spirometric reference equations for Middle Eastern children.
  • To enhance the accuracy of lung function assessments in the region.
  • To provide equations applicable to similar populations.

Main Methods:

  • Collected spirometric data from 1576 Jordanian children (ages 6-17).
  • Utilized generalized additive models to formulate customized reference equations.
  • Compared newly derived equations with Global Lung Initiative 2012 (GLI-2012) predictions.

Main Results:

  • New equations demonstrated superior suitability for Middle Eastern children compared to GLI-2012.
  • GLI-2012 equation accuracy varied across different age groups.
  • Z-score assessments confirmed the improved performance of the new equations.

Conclusions:

  • Formulated novel spirometric reference equations tailored for Middle Eastern children.
  • These equations can enhance the diagnosis and management of pediatric respiratory diseases.
  • Provides a more accurate tool for lung function evaluation in the region.
Abstract

Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
498
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.3K
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
2.7K
Respiratory Volumes and Capacities01:22

Respiratory Volumes and Capacities

The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...
3.5K
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
521
Lung Capacity01:47

Lung Capacity

The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
53.7K