1. Validation of human small-airway measurements using endobronchial optical coherence tomography: an observational study

    Validation of human small-airway measurements using endobronchial optical coherence tomography: an observational study

    Background Small-airway remodelling is the cardinal pathological feature underlying chronic obstructive pulmonary disease (COPD). Identification of early-stage pathological changes is crucial for the diagnosis, treatment, and prognosis of respiratory diseases. Our study aimed to investigate the usefulness of endobronchial optical coherence tomography (EB-OCT) in assessment of small-airways morphology in patients with pulmonary nodules who were scheduled for lung resection surgery (four had COPD, four were smokers with normal lung function, and four were life-long non-smokers). Patients with respiratory diseases other than COPD were excluded. Methods 12 patients with pulmonary nodules scheduled for lung resection underwent spirometry, multidetector CT (MDCT), and ...

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