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Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation
Published on: November 10, 2023
Bronchiolitis obliterans following lung transplantation: early detection using computed tomographic scanning
P A de Jong1, J D Dodd, H O Coxson
1Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
Thorax
|May 4, 2006
Summary
Computed tomographic (CT) scanning shows promise for early chronic lung allograft dysfunction detection. A composite CT score predicts lung function decline and disease progression, aiding in early bronchiolitis obliterans diagnosis.
Area of Science:
- Pulmonary Medicine
- Radiology
- Transplant Surgery
Background:
- Chronic lung allograft dysfunction (CLAD) diagnosis relies on lung function tests like forced expiratory volume in 1 second (FEV1).
- Computed tomographic (CT) scanning offers a potential avenue for earlier CLAD detection.
Purpose of the Study:
- To assess the agreement of composite and air trapping CT scores.
- To examine the relationship between FEV1 and CT scores.
- To correlate baseline CT scores with FEV1 and CT score changes over one year.
Main Methods:
- 38 lung transplant recipients' lung function and CT scans were analyzed.
- Two observers scored CT scans for specific features, with repeat scoring after one month.
- CT scores were correlated with FEV1 as a percentage of the post-transplant baseline.
Main Results:
- Good inter-observer and intra-observer agreement was found for composite and air trapping CT scores.
- A significant association between FEV1 and composite CT score was observed.
- Worsening composite CT scores predicted significant declines in FEV1 and further increases in CT scores over one year.
Conclusions:
- A composite CT scoring system demonstrates potential for early detection of bronchiolitis obliterans.
- CT scoring may serve as a valuable tool in monitoring lung transplant recipients for CLAD.
