International Validation of Electronic Nose Technology as a Diagnostic Tool for Fibrotic Interstitial Lung Diseases

International Validation of Electronic Nose Technology for Fibrotic Interstitial Lung Diseases

Fibrotic interstitial lung diseases, often abbreviated as fILDs, are a diverse group of lung disorders that cause scarring in the tissue around the air sacs. Over time, this scarring makes it harder for the lungs to expand and for oxygen to pass into the bloodstream. Because many forms of interstitial lung disease share similar symptoms, such as shortness of breath, dry cough, and fatigue, diagnosis can be difficult and delayed. Patients often need several tests, including lung function studies, high-resolution CT scans, blood tests, multidisciplinary review, and sometimes invasive procedures such as bronchoscopy or lung biopsy.

This international study evaluated whether electronic nose technology, also called eNose, could help distinguish between different fibrotic interstitial lung diseases using exhaled breath analysis. The results suggest that eNose testing may become a useful, noninvasive point-of-care tool to support faster diagnosis and better subtype classification.