1引言新生儿在使用酚妥拉明治疗中出现呼吸困难,既往均用鼻塞来解释。既往认为酚妥拉明的不良反应可致鼻黏膜充血、肿胀,加上新生儿鼻腔较窄,容易引起鼻塞,继而引起呼吸困难。但我们观察了19例该症患儿,其临床表现及治疗结果显示呼吸困难与喉梗阻有关,现报告如下。2临床资料2.1 1 Introduction Neonatal breathing difficulties in the use of phentolamine treatment, past use nasal congestion to explain. In the past that the adverse reactions of phentolamine nasal mucosa can cause congestion, swelling, nasal narrowing with the newborn, easily lead to nasal congestion, and then cause breathing difficulties. However, we observed 19 cases of children with this disease, the clinical manifestations and treatment showed dyspnea and laryngeal obstruction, are as follows. 2 Clinical data 2.1