Data collection and outcome measures
dyspnea, chest tightness, expectoration, emphysema, cough
DISEASE, EMPHYSEMA, DISEASE COURSE
During initial clinical examinations, patient demographics were recorded for each patient,, including age, gender Body Mass Index (BMI), smoking history, smoking amount, smoking status, disease course, emphysema score, Fractional excretion of exhaled nitrogen (FeNO), blood eosinophil percentage, absolute eosinophil count, and comorbidities. Outcome measures analyzed included procedural data (including procedure time, anaesthesia type, number of activation of the BT and length of hospital stay), modified Medical Research Council (mMRC) scores, 6MWT, CAT scores, pulmonary function-related indices [FEVThe CAT scoring questionnaire included cough, chest tightness, expectoration, sleep, mental, daily living limitations, dyspnea with increased activity, and confidence in outdoor activities. Each aspect was scored on the 0–5 scale based on severity. The total score was 40 points, with scores from 0 to 10, 11 to 20, 21 to 30 and 31 to 40 representing the “low”, “medium”, “high” and “very high” impact of the disease on a person’s health status [