摘要
目的 分析早产儿预后及影响预后的因素。方法 回顾性分析胎龄、体重对早产儿病率及死亡率的影响。结果 ①胎龄对早产儿死亡率影响可分三个阶段，分别为30w以前、30-32^＋6W和33w以后；死亡率在第二、三阶段之间的差异有统计学意义（P=0．035），在第二、三阶段内的变化差异无统计学意义（P〉0.05）。②胎龄对早产儿窒息率的影响分为三个阶段，分别为28-29^＋6W、30-33^6W和34w以后，其中三阶段之间的差异均有统计学意义（P值分别为0．032、0.001和0．044）。③RDS的发病率在33w前逐渐降低，33w以后RDS不随胎龄增加而降低，RDS的发生率在33w前和33w以后的差异有统计学意义（P=0．04）。④体重〈2000g的早产儿死亡率、RDS发生率和窒息率均随体重增加而迅速降低：体重≥2000g的早产儿死亡率、RDS发生率和窒息率不再随体重增加而降低；上述三者在两个体重组之间的差异有统计学意义（P〈0．05=。结论 在妊娠33w前，胎龄及体重是影响早产儿预后的主要因素。
Objective： To analyze prognosis of premature infants and the contribution factors for prognosis of premature infant. Methods ： A retrospective study was designed and a total of 636 premature infants were included in our study. Results： ① Mortality rate and incidence of RDS of premature infant were inverse correlated with gestational age. Both of them were higher in gestational age 〈 33 weeks than that ≥ 33 weeks, statistically there was a significant difference between two groups （ P 〈 0. 05 =. ②There was a significant difference in the incidence of asphyxia of premature infant between gestational age 〈 34 weeks and gestational age ≥ 34 weeks （ P =0. 044）. ③Incidence of asphyxia and mortality rate in premature infant was significantly different between infant with birth weight 〈 2000g group and weight≥2000g group. Conclusion： ① Less than 33 weeks gestational age, incidence of RDS and mortality rate of premature infant are higher than that of infant older than 33 weeks; less then 34 weeks gestational age, incidence of asphyxia in premature infant is higher than that of older than 34 weeks. ②Incidence of asphyxia and mortality rate of premature infant are higher in birth weight less than 2000g group than that of more than 2000g.
出处
《中国优生与遗传杂志》
2006年第8期72-73,96,共3页
Chinese Journal of Birth Health & Heredity
关键词
早产儿
胎龄
体重
早产儿预后
Premature infant
Birth weight
Gestational age
Prognosis of premature infant
