It is suggested that obstruction of upper respiratory tract by goiter and obstruction of small airways of COPD lead to combined disturbance of ventilation.
结果表明，甲状腺肿大引起的上呼吸道阻塞和COPD的小气道阻塞造成混合性通气障碍。
2
Widespread bronchiectasis is typical for patients with cystic fibrosis who have recurrent infections and obstruction of airways by mucus throughout the lungs.