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Lung function in infants and young children: functional residual capacity, tidal volume, and respiratory rats
The American Review of Respiratory Disease
|August 1, 1977
Insights
This study presents the first prediction equations for functional residual capacity in children aged 3 months to 6 years. Lung function can be conveniently assessed in young children using these new equations.
Area of Science:
- Pediatric Pulmonology
- Respiratory Physiology
Background:
- Assessing lung function in young children is challenging.
- Functional residual capacity (FRC) is a key respiratory parameter.
Purpose of the Study:
- To establish prediction equations for FRC in healthy children aged 3 months to 6 years.
- To evaluate the convenience of measuring lung function in this age group.
Main Methods:
- Functional residual capacity (FRC) was measured using the closed-circuit helium-equilibration technique.
- 121 healthy children aged 3 months to 6 years were included.
Main Results:
- Novel prediction equations for FRC in normal children (3 months to 6 years) were developed.
- The helium-equilibration method proved to be a relatively convenient approach for pediatric lung function assessment.
Conclusions:
- The study provides the first FRC prediction equations for a broad pediatric age range.
- Convenient methods for studying pediatric lung function are feasible and valuable.
Abstract:
Functional residual capacity was measured by the closed-circuit, helium-equilibration method in 121 normal children 3 months to 6 years of age. Prediction equations for functional residual capacity for normal children of this age range are presented for the first time. This study demonstrates that some aspects of lung functiok can be studied relatively conveniently in young children.