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慢性鼻窦炎合并慢性支气管炎或支气管扩张的频度,在5岁以下幼儿约为30％,但随着年龄增长而减少,成人约为5％。究其原因,除了解剖、生理方面的因素外,作者根据文献资料等,从以下一些方面进行了探讨: 1.鼻腔通气障碍和鼻窦支气管炎:根据肺功能检查证实,高度鼻阻塞时,肺阻力增加,肺顺应性降低。海野测定慢性鼻窦炎患者的肺活量的75％、50％及25％流速值(即V75、V50、V25),多数病例的V50及V25值降低,尤以V25值下降更明显。甚至用其他检查方法未发现异常的病例也可发现V25值降低。因而已经开始注意到鼻窦炎患者发生的细支气管变化。有人报告弥漫性毛细支气管炎患者合并鼻窦炎的比率较高,
The frequency of chronic sinusitis associated with chronic bronchitis or bronchiectasis is about 30% in young children under 5, but decreases with age, about 5% in adults. The reason, in addition to anatomical and physiological factors, the author based on the literature, etc., from the following aspects: 1. Nasal ventilation disorders and sinusitis: According to pulmonary function tests confirmed that a high degree of nasal obstruction, pulmonary resistance Increase, reduce lung compliance. Hahno measured the vital capacity of patients with chronic sinusitis at 75%, 50% and 25% of the flow rate value (ie, V75, V50, V25), V50 and V25 values in most cases decreased, especially V25 decreased more significantly. V25 decreased even with other cases where no abnormalities were found. It has therefore begun to notice the bronchiolar changes that occur in patients with sinusitis. Some people report diffuse bronchiolitis patients with high rates of sinusitis,