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气管和支气管两者在呼气时均有气道狭窄者,称为气管支气管软化症。本症同支气管哮喘虽临床症状相似但有本质上差别,两者的鉴别对于其治疗甚为必要。作者报告两例如下:例1 52岁,家庭主妇。不吸烟。近4年来每年冬季咳嗽加剧伴呼吸困难发作,均按支气管哮喘进行治疗。查体;呼吸困难32/min,呼气明显延长,胸部可闻干罗音,双肺底可闻大水泡音。胸片示气管透光区直径在气管中部为6.5mm,左右主支气管最小直径分别为5mm和2mm,呈现明显变细狭窄。肺功能
Both trachea and bronchi both have airway stenosis when exhaled, called tracheobronchomalacia. Although the clinical symptoms of bronchial asthma with similar symptoms but there are essential differences between the two for its treatment is necessary. The authors report two cases as follows: Example 1 52 years old, housewife. do not smoke. In the past 4 years, annual winter cough exacerbated with dyspnea attack, according to bronchial asthma treatment. Check the body; breathing difficulties 32 / min, expired significantly prolonged, dry chest can hear dry rales, lungs can be heard at the end of big bubble sound. Chest radiograph of the tracheal tube shows the diameter of the central trachea is 6.5mm, left and right main bronchus were the smallest diameter 5mm and 2mm, showing obvious narrowing. Pulmonary function