Race based spirometry equations may miss emphysema
A secondary data analysis of the CARDIA (Coronary Artery Risk Development In Young Adults) Lung study found that emphysema is often detectable on CT scan before spirometry findings become abnormal. The findings suggest that reliance on spirometry alone may result in the underrecognition of impaired respiratory health. Because the discrepancy is particularly present in Black men, this could exacerbate racial disparities. The analysis is published in Annals of Internal Medicine.
Spirometry is used in the assessment of COPD, but over reliance on spirometry may miss early signs of COPD and impaired respiratory health. Recent studies have shown that race-specific interpretations of spirometry may underestimate respiratory symptom burden and risk for death in Black adults.
Researchers from Northwestern University Feinberg School of Medicine conducted a secondary analysis of the CARDIA Lung study to determine the difference in emphysema prevalence between Black and White adults with normal spirometry results.
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