近年来通过大量的实验研究和临床观察,发现上呼吸道急性或慢性阻塞对肺脏和心脏功能可产生较大的不良影响,而这方面的问题常常没有引起临床医师的足够重视,特将国外文献中有关资料作一综述。上呼吸道阻塞的原因很多,包括多种病理因素和临床治疗措施;如鼻出血时的鼻腔填塞物,鼻腔炎性疾病、肿瘤,鼻咽部新生物,增殖腺及扁桃肥大,咽喉肿瘤等等。各种原因所致的上呼吸道严重阻塞均可通过机械的或神经反射机制扰乱下呼吸道的正常功能,导致肺换气量下降,出现低氧血症、高二氧化碳血症、血PH改变,进而产生一系列有害于机体的反应。鼻肺反射的研究:实验和临床观察证实,一 In recent years, through a large number of experimental studies and clinical observations, we found that acute or chronic upper airway obstruction on the lung and heart function can have a greater adverse effects, and in this area often not enough attention to clinicians, especially foreign literature Relevant information for a review. Upper airway obstruction for many reasons, including a variety of pathological factors and clinical treatment; such as nasal bleeding nasal packing, nasal inflammatory diseases, tumors, nasopharyngeal neoplasms, adenoids and almond enlargement, throat cancer and so on. Severe upper respiratory tract obstruction caused by various reasons may disrupt the normal function of the lower respiratory tract through mechanical or neural reflex mechanism, resulting in decreased pulmonary ventilation, hypoxemia, hypercapnia, changes in blood PH, and then A series of reactions that are harmful to the body. Study of nasal reflection: experimental and clinical observations confirmed that one