最近的 X 胸片显示,我的双肺过度膨胀。导致这种情况的原因是什么?
回答 Misbah Baqir, M.B.B.S.
呼气时有空气滞留在肺部,会发生肺过度充气。滞留的空气占据空间,使得肺部难以吸入充足的新鲜空气。久而久之,肺部为了给吸入的新空气腾出空间而变得比平常更大。肺部也会变僵硬和弹性减弱,因此更难将空气排出。肺过度充气会使您呼吸困难。在体力活动期间,呼吸会变得更困难。
慢性阻塞性肺疾病(COPD)往往会导致肺过度充气。COPD 是一种导致空气难以流入和流出肺部的慢性肺部疾病。COPD 两种最常见的表型是肺气肿和慢性支气管炎。这两种状况常常同时存在。
某些其他肺部问题,如哮喘和囊性纤维化,也可能引起肺过度充气。
在某些情况下,即使肺部功能没有问题,在 X 线检查中也可能看起来过度充气。如果不清楚导致肺过度充气的原因,医疗护理专业人员可能会建议进行更多检查。通常会进行胸部 CT 扫描和肺功能检查。
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Misbah Baqir, M.B.B.S.
显示参考文献
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Nov. 23, 2023Original article: https://www.mayoclinic.org/zh-hans/diseases-conditions/emphysema/expert-answers/hyperinflated-lungs/faq-20058169