ArticleJournal of biomedical optics2021
Small airway dilation measured by endoscopic optical coherence tomography correlates with chronic lung allograft dysfunction.
Article in Journal of biomedical optics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Airway morphological abnormalities of bronchiolitis assessed by endobronchial optical coherence tomography.Therapeutic advances in respiratory diseaseArticle
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5 authors at 2 institutions in 1 country.
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Abstract
significanceChronic lung allograft dysfunction (CLAD) is the leading cause of death in transplant patients who survive past the first year post-transplant. Current diagnosis is based on sustained decline in lung function; there is a need for tools that can identify CLAD onset.
aimEndoscopic optical coherence tomography (OCT) can visualize structural changes in the small airways, which are of interest in CLAD progression. We aim to identify OCT features in the small airways of lung allografts that correlate with CLAD status. APPROACH: Imaging was conducted with an endoscopic rotary pullback OCT catheter during routine bronchoscopy procedures (n = 54), collecting volumetric scans of three segmental airways per patient. Six features of interest were identified, and four blinded raters scored the dataset on the presence and intensity of each feature.
resultsAirway dilation (AD) was the only feature found to significantly (p < 0.003) correlate with CLAD diagnosis (R = 0.40 to 0.61). AD could also be fairly consistently scored between raters (κinter-rater = 0.48, κintra-rater = 0.64). There is a stronger relationship between AD and the combined obstructive and restrictive (BOS + RAS) phenotypes than the obstructive-only (BOS) phenotype for two raters (R = 0.92 , 0.94).
conclusionsOCT examination of small AD shows potential as a diagnostic indicator for CLAD and CLAD phenotype and merits further exploration.
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