呼吸窘迫综合征(RDS)是新生儿急性呼吸衰竭的常见原因,特别是未成熟儿更为多见,它与某些肺部疾病如肺炎、羊水吸入存在着鉴别上的困难。作者对55例典型的RDS,19例心血管不稳定状态,13例非RDS的肺部、肺外疾患,或单独存在或伴有RDS的血清C-反应蛋白(CRP)测定。结果:RDS组平均2 Respiratory distress syndrome (RDS) is a common cause of neonatal acute respiratory failure, especially in immature infants and is more common. It presents some difficulties in identifying pulmonary diseases such as pneumonia and amniotic fluid inhalation. The authors examined 55 cases of typical RDS, 19 cases of cardiovascular instability, 13 pulmonary, extrapulmonary conditions without RDS, or serum C-reactive protein (CRP) determinations alone or in combination with RDS. Results: The average RDS group 2