大叶性肺气肿可由于局部小支气管梗阻所引起。
Lobar emphysema may result from partial bronchial obstruction.
结论永久性部分覆膜镍钛合金内支架置入术是消化道恶性梗阻和食管-支气管瘘的有效治疗方法，操作简便，安全性高。
Conclusion it is an effective, easy and safe method to treat malignant obstruction of digestive tract or esophago-bronchial fistula using partially covered nickel-titanium alloy stent.
哮喘是一种梗阻性肺疾病，以支气管收缩、持续性气道炎症和气道重塑为特征。
Children have the highest prevalence of asthma, an obstructive lung disease characterized by bronchoconstriction, persistent airway inflammation and airway remodeling.
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