Oscillometry and Small Airway Disease in Early Pulmonary Fibrosis
Author Information
Author(s): Athena Gogali, Georgia Gkrepi, Christos Kyriakopoulos, Konstantinos Tatsis, Konstantinos Katsoulis, Chara Tselepi
Primary Institution: University of Ioannina
Hypothesis
Does oscillometry provide complementary data to pulmonary function tests in patients with mild pulmonary fibrosis without evident obstructive disorder?
Conclusion
Oscillometry is an easy-to-use technique that may reveal early mechanical alterations caused by pulmonary fibrosis and capture small airway dysfunction, which may have prognostic implications for ILD patients.
Supporting Evidence
- Oscillometry parameters correlated with ILD disease severity as assessed by FVC.
- R5-19 was the only SAD parameter related to the composite physiologic index (CPI).
- 27% of patients had abnormal values of R5-19, indicating small airway dysfunction.
Takeaway
This study shows that a simple test called oscillometry can help find problems in the small airways of people with early lung disease, even if they don't have obvious symptoms yet.
Methodology
Patients with mild pulmonary fibrosis were assessed using oscillometry and pulmonary function tests over a six-month period.
Limitations
The small sample size and cross-sectional design limit the generalizability of the findings.
Participant Demographics
34 patients, mean age 71.4 years, 56% men, with a mean BMI of 28.8 kg/m2; 50% were current or ex-smokers.
Statistical Information
P-Value
p < 0.001
Confidence Interval
95%Cl 0.519–0.956
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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