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Hypoplastic trachea in Down's syndrome
L S Aboussouan1, P B O'Donovan, D S Moodie
1Department of Pulmonary and Critical Care Medicine, Cleveland Clinic Foundation, Ohio 44195-5038.
The American Review of Respiratory Disease
|January 1, 1993
Summary
Adults with Down syndrome have significantly smaller tracheal diameters, a condition not linked to heart disease or body size. This finding highlights a potential respiratory concern in this population.
Area of Science:
- Medical research
- Anatomy
- Genetics
Background:
- Down syndrome is associated with various health complications.
- Tracheal abnormalities can impact respiratory function.
Purpose of the Study:
- To investigate if tracheal dimensions are reduced in adults with Down syndrome.
- To determine if reduced tracheal size correlates with congenital heart disease or body habitus.
Main Methods:
- Measurement of inner tracheal air column diameter in 14 adult Down syndrome patients.
- Comparison of measurements with established norms using z-scores.
- Statistical analysis including two-way ANOVA and linear regression.
Main Results:
- Tracheal diameters (coronal and sagittal) were significantly smaller than normal in Down syndrome patients (p < 0.001).
- No significant difference in z-scores was found based on sex or presence of congenital heart disease.
- No significant correlation was observed between tracheal diameter and patient height or weight.
Conclusions:
- Adults with Down syndrome exhibit reduced tracheal dimensions.
- The observed tracheal narrowing is independent of congenital heart disease and body habitus.
- This finding may have implications for respiratory health management in individuals with Down syndrome.