Collaborative European research in non-Cystic Fibrosis bronchiectasis 

The European Bronchiectasis Registry (EMBARC) is a multidisciplinary research network advancing knowledge across the full spectrum of bronchiectasis. As of 2025, it has collected data from over 20,000 patients in more than 30 countries, forming one of the largest real-world bronchiectasis datasets globally. This infrastructure supports international research and clinical trials, with AI-based imaging increasingly enabling deeper disease phenotyping and mechanistic insights.

 

Project highlights

  • Over 600 thoracic CT scans analyzed by Thirona
  • Quantitative image analysis integrated into the EMBARC registry to complement patient data with structural CT metrics.
  • Cross-sectional and longitudinal datasets established, linking imaging biomarkers to clinical outcomes

Contribution by Thirona

Within the project, Thirona performed automated AI-based analysis of thoracic CT scans using LungQ® Bronchus–Artery (BA) and LungQ® Mucus Plug (MP), providing quantitative evidence for: 

  • Bronchial dilatation severity and extent 
  • Bronchial wall thickening 
  • Number and volume of mucus plugs 
  • Lobar distribution of abnormalities 

Revealing substantial variation in both structural changes and their extent within individual patients and across different patient cohorts, the analyses demonstrated ‘substantial’ intra- and inter-patient heterogeneity.   

 

Integrated with patient-level registry data, these imaging biomarkers support longitudinal assessment, contributing to deeper phenotyping, and improved disease stratification within the EMBARC registry. 

 

Relevant Publications

November 2025

Lobar differences on chest CTs of bronchiectasis patients from the EMBARC registry

October 2024

Automatic analysis of bronchus-artery ratios and mucus plugs of 640 chest CTs of EMBARC bronchiectasis patients

May 2024

Fully Automatic Analysis of Bronchus-artery Dimensions and Ratios of 625 Chest CTS of Bronchiectasis Patients Participating in the EMBARC Registry

October 2023

The relationship between chest CT scoring, aetiology and severity of disease in Bronchiectasis: an EMBARC analysis

October 2023

The spectrum of structural lung changes in bronchiectasis: Analysis of 524 EMBARC CTs.

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