喉软化症又名先天性喉鸣，属先天性喉部发育异常，由于病儿喉部软骨软弱和组织疏松，可发生吸气期呼吸困难，此症病儿在围麻醉期常因麻醉药物的作用和呼吸道刺激而发生严重呼吸困难。１９９３～１９９７年我院有８例喉软骨软化症病儿围麻醉期发生严重呼吸困难。现报告如下... Hypothyroidism, also known as congenital laryngeal, is a congenital laryngeal dysplasia, laryngeal cartilage disease due to weak and loose tissue, breathing difficulties during respiratory distress, children with this disease often caused by anesthesia anesthesia Severe dyspnea with effects and respiratory irritation. From 1993 to 1997, 8 cases of laryngeal chondromalaciae in our hospital had severe dyspnea during anesthesia. Now report as follows ...