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本文报导经临床症状与血气分析确诊的新生儿呼吸衰竭59例,其中Ⅰ型呼衰30例(50.8%),Ⅱ型呼衰29例(49.2%)。引起呼衰的原发性疾病中呼吸系统疾病占89.8%,其中新生儿窒息占首位(30.5%);肺外疾病占10.2%。59例中死亡14例,病死率23.7%,死亡病例中PH<7.25占92.8%。呼衰时酸碱紊乱类型以呼吸性酸中毒为最多占44.1%,依次为代谢性酸中毒(18.6%)及混合性酸中毒(16.9%)。新生儿呼衰的早期诊断主要依靠血气分析。介绍了头罩给氧时氧流量与氧浓度间的相关关系。
This article reports 59 cases of neonatal respiratory failure diagnosed by clinical symptoms and blood gas analysis, including 30 cases of type Ⅰ respiratory failure (50.8%) and 29 cases of type Ⅱ respiratory failure (49.2%). Respiratory diseases accounted for 89.8% of primary diseases causing respiratory failure, of which neonatal asphyxia accounted for the first place (30.5%); extrapulmonary diseases accounted for 10.2%. Among the 59 cases, 14 died and the case fatality rate was 23.7%. Among the death cases, PH <7.25 accounted for 92.8%. Respiratory acidosis in respiratory failure when the type of respiratory acidosis accounted for up to 44.1%, followed by metabolic acidosis (18.6%) and mixed acidosis (16.9%). Early diagnosis of respiratory failure mainly depends on blood gas analysis. The correlation between the oxygen flow rate and the oxygen concentration is introduced when the hood is oxygenated.