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目的:探讨早产儿贫血发生的影响因素。方法:选择115例发生贫血的早产儿,按胎龄分为胎龄<32周组,32~35周组,35~37周组,比较3组早产儿出生体重、出生时基础Hb值、贫血发生时间、贫血时Hb值和最低Hb值等方面有无差异;按照贫血发生时间分为早期贫血组和晚期贫血组,分析两组早产儿在胎龄、出生体重、出生时基础Hb值、采血量、溶血出血史、母亲贫血史等方面有无差异。结果:3组早产儿在出生体重、出生时基础Hb值、贫血发生时间、贫血Hb值和最低Hb值等指标差异有统计学意义(P<0.05);早期贫血组和晚期贫血组在胎龄、出生体重方面差异无统计学意义(P>0.05),出生时基础Hb值、初始发现贫血时Hb值、采血量、溶血出血史和母亲贫血史差异有统计学意义(P<0.05)。结论:早产儿贫血与胎龄、出生体重、基础Hb值、溶血和失血史、母亲贫血史、住院期间抽血量等因素紧密相关。
Objective: To investigate the influencing factors of anemia in premature infants. Methods: A total of 115 anemic preterm infants were selected and divided into three groups according to gestational age: gestational age <32 weeks, 32-35 weeks and 35-37 weeks. The birth weight, birth Hb, anemia Occurrence time, Hb value and the lowest Hb value in anemia. According to the time of anemia, it was divided into early anemia group and advanced anemia group. The basal Hb value of gestational age, birth weight, The amount of hemolytic bleeding history, history of anemia mother and so on are there any differences. Results: There were significant differences in birth weight, basic Hb value at birth, time of anemia, Hb value of anemia and lowest Hb in 3 groups of preterm infants (P <0.05). In early anemia group and advanced anemia group, (P> 0.05), the basic Hb value at birth, the initial detection of anemia Hb, blood collection, history of hemolysis and anemia of mother had statistical significance (P <0.05). CONCLUSION: Anemia in preterm infants is closely related to gestational age, birth weight, basal Hb value, history of hemolysis and blood loss, mother’s anemia, blood drawn during hospitalization and so on.