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先天性后鼻孔闭锁可能是新生儿呼吸困难的原因。大约每5000～8000活婴中有一例,女性较多,常合并其它先天性畸形,如CHARGE、Pierre Robin、Crouzon氏、Treacher Collins、Apert氏或Down综合征等。后鼻孔闭锁可以是单侧,也可以是双侧;单侧闭锁者约占66％。据Frazer氏的大宗病例(115例)分析,90％为骨性闭锁,仅10％为膜性。另据Strome(1984)报道,有50％的病例合并羊水过多。新生儿呼吸困难、鼻腔充满粘液或单侧流涕应怀疑为本病。传统的临床诊断法是用棉丝或小镜子确定双侧鼻腔通气情况;用有色液体
Congenital posterior nosocomial atresia may be neonatal respiratory distress. About one in every 5,000 to 8,000 live births have more women and are often associated with other congenital anomalies such as CHARGE, Pierre Robin, Crouzon, Treacher Collins, Apert’s, or Down syndrome. Posterior nostril atresia can be unilateral or bilateral; unilateral occlusion accounts for about 66%. According to Frazer’s large number of cases (115 cases) analysis, 90% of bony atresia, only 10% of membranous. According to Strome (1984) reported that 50% of cases combined with polyhydramnios. Neonatal breathing difficulties, nasal mucus or unilateral nasal discharge should be suspected of this disease. The traditional method of clinical diagnosis is to use cotton or small mirror to determine bilateral nasal ventilation; with colored liquid