【摘要】 本组５１例呼吸系统先天性畸形中，会厌下喉蹼１例，喉裂２例，先天喉喘鸣５例，多发性肺囊肿与单发性肺囊肿各１例，肺发育不全９例，肺发育不良１５例，肺副叶畸形２例，先天性膈疝９例，膈膨升５例，其他１例。单发畸形４４例，多发畸形７例。在新生儿各系统先天畸形中呼吸系统畸形发生率占第三位（７．４％），死亡率６８．６％，居第一位。对出生时无明显原因的重度窒息新生儿，或出生后短期内呼吸困难进行性加重，特别是以新生儿肺炎就诊，经药物治疗无效者，应考虑呼吸系统先天畸形。更多还原

【Abstract】 Among 5l cases of congenital malformations of respiratory system (MRS)of neonates, web of larynxglottic 1 case,cleft larynx 2 cases, congenital laryngeal stridor 5 cases, multiple cysts of lung l case,single cysts of lung l case ,agenesis of lung 9 cases,hypoplasia of lung l5 cases.accessory lobe of left lung 2 cases,congenital diaphragmatic hiatus 9 cases,diaphragmatic lift 5others l case,single anomalies 44 cases, multiple anomalies 7 cases, CARS ranked in the third with 7.4%ratio to congenital malformations of various systems and has 68.6% of death rate which ranked first.It ought to consider as CMRS that the newborn are heavily asphyxia without evidently reson or respire difficultly progressly in the short period from after born,especialy those seem to be lung disease.更多还原