一氧化氮吸入治疗在新生儿呼吸系统疾病中的应用浙江医科大学附属儿童医院（３１０００３）杜立中新生儿低氧血症可由多种原因引起，而肺动脉高压在低氧血症中起重要作用。在临床上一直缺乏对体循环血压无影响而能特异性扩张肺血管、降低肺动脉压的药物。一氧化氮（ｎｉｔ... Nitric oxide inhalation therapy in neonatal respiratory diseases Zhejiang Medical University Affiliated Children’s Hospital (310003) Du Lizhong neonatal hypoxemia can be caused by a variety of reasons, and pulmonary hypertension in hypoxemia play an important role. In clinical practice, there has been a lack of drugs that can specifically affect the pulmonary blood pressure and reduce pulmonary arterial pressure without affecting systemic blood pressure. Nitric oxide (nitric oxide