A study of Apgar score and relative factors of asphyxia in premature

Objective:To investigate the relationship between Apgar score and relative factors of asphyxia in premature.Methods:Hospitalized premature infants during the same period were divided into three groups:(1) no asphyxia group(Apgar score 8-10);(2) mild asphyxia(Apgar score 4-7);(3) severe asphyxia(Apgar score 0-3).The relationship between relative factors、blood pH value 、blood sugar level and brain damage of premature was studied in each group.Results:(1)Premature infants in severe asphyxia group have more perinatal factors than infants in no asphyxia group and mild asphyxia group(P0.01).There was no significant difference between the later two groups.(2) In severe asphyxia group,there were obviously more cases with pH ≤7.2 in first artery blood gas analysis after birth than that in no asphyxia group and mild asphyxia group(P0.01).There was no significant difference between no asphyxia group and mild asphyxia group.(3)There was more severe hypoglycemia(blood sugar ≤1.1mmoL/L) cases in severe asphyxia group than in no asphyxia group and mild asphyxia group(P0.01).There was also no significant difference between the later two groups.(4)The morbidity of Hypoxia Ischemia Encepholophathy(HIE)、periventricular-intraventricular hemorrhage(PIVH) and periventricular white matter malacia(PVL) were obviously higher in severe asphyxia group than in no asphyxia group and mild asphyxia group(P0.01).There was no significant difference between the later two groups.Conclusion:Using Apgar score to evaluate mild asphyxia in premature,we should consider various influence factors and its accuracy is limit.But when Apgar score is 0-3,asphyxia will possibly occur,then management of asphyxia should be done to decrease brain damage.