[1]Department of Respiratory Medicine;
Mianyang People''s Hospital in Sichuan Province;
Mianyang621000;
China;
[2]Department of Orthopedic Surgery;
Mianyang People''s Hospital in Sichuan Province;
Mianyang621000;
China;
Bronchiectasis; Bronchoscope; Ambroxol; Inflammatory factors;