1. Articles from Zhu-Quan Su

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    1. Evaluation of the normal airway morphology using optical coherence tomography

      Evaluation of the normal airway morphology using optical coherence tomography

      Background The anatomical location of small airways, the distribution of airway cartilage and their correlation with ageing have not been well elucidated. Objective To explore the morphological characteristics of small airways in vivo , and how airway structural changes correlate with age using endobronchial optical coherence tomography (EB-OCT). Methods We recruited 112 subjects with peripheral pulmonary nodules. Participants underwent computed tomography, spirometry, and EB-OCT measurements. We measured the airway internal diamaeter (D mean ), inner area (Ai), airway wall area percentage (Aw%) and the thickness of airway cartilage. EB-OCT airway structural characteristics at different age intervals were analyzed, and the association between ...

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    2. Significances of spirometry and impulse oscillometry for detecting small airway disorders assessed with endobronchial optical coherence tomography in COPD

      Significances of spirometry and impulse oscillometry for detecting small airway disorders assessed with endobronchial optical coherence tomography in COPD

      Background: Spirometry confers limited value for identifying small-airway disorders (SADs) in early-stage COPD, which can be detected with impulse oscillometry (IOS) and endobronchial optical coherence tomography (EB-OCT). Whether IOS is useful for reflecting small-airway morphological abnormalities in COPD remains unclear. Objectives: To compare the diagnostic value of spirometry and IOS for identifying SADs in heavy-smokers and COPD based on the objective assessment with EB-OCT. Methods: We recruited 59 COPD patients (stage I, n=17; stage II, n=18; stage III–IV, n=24), 26 heavy-smokers and 21 never-smokers. Assessments of clinical characteristics, spirometry, IOS and EB-OCT were performed. Receiver operation ...

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    1-3 of 3
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    1. (1 articles) Mount Sinai School of Medicine
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