![]() The inherent dysfunction in mucociliary clearance leads to persistent bacterial infection, chronic inflammation of the bronchial tree, and progressive tissue destruction. Non-cystic fibrosis bronchiectasis (hereafter referred to as bronchiectasis) is a chronic respiratory disease characterized by permanent dilatation of the bronchi and chronic respiratory symptoms, such as cough, expectoration of sputum, and dyspnea. There was no significant association between spirometric pattern and radiologic type, but the more severe the radiologic severity, the more severe the lung function impairment. Bronchiectasis with obstructive ventilatory disorders has more dyspnea symptom, more disease severity and more radiologic severity. ![]() More than half of patients with bronchiectasis had obstructive ventilatory disorder. The modified Medical Research Council (mMRC) was highest in patients with obstructive ventilatory disorders, Modified Reiff score , FACED (FEV 1, Age, Chronic colonization, Extension, and Dyspnea) score, and Bronchiectasis Severity (BSI) score showed significantly highest values of obstructive ventilatory disorder rather than restrictive ventilatory disorder and normal ventilation. ![]() On the other hand, obstructive ventilatory disorder was the most common (51.6%), followed by normal ventilation (30%) and restrictive ventilatory disorder (18.4%). The results showed that cylindrical type was the most common (70.8%) type of bronchiectasis on chest Computed tomography (CT), and 70% of patients had bilateral lung involvement. We retrospectively evaluated 506 patients with bronchiectasis who underwent pulmonary lung function test (PFT) at a referral hospital between 2014 to 2021. This study aimed to evaluate the clinical, radiologic feature and the disease severity of patients with bronchiectasis according to spirometric patterns. ![]() The characteristics and severity of patients with bronchiectasis according to these pulmonary dysfunctions are still very limited. ![]() Bronchiectasis show various ventilatory disorders in pulmonary function. ![]()
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