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极低出生体重儿(ELBW)的远期病率异常高。本文对存活2年的55例和其中5.5年的50例出生体重500～999g的儿童进行了心理及儿科方面的分析。 2岁儿均由心理学家应用Bayley婴儿发育指标和Bayley婴儿行为记录进行鉴定,由儿科医师进行标准的神经发育检查。这些婴儿均在出生第一年进行过视、听损害筛选。5.5岁时再次进行上述鉴定。检查者均不了解婴儿围产期病史及2岁时心理及神经发育鉴定结果。心理学家改用Wechsler学龄前智力量表(WPPSI)鉴定,标准神经发育检查由2岁时的检查医师用同一标准进行。研究结果表明,2岁时的精神发育指数(MDI)平均值为91.1,显著低于正常人群的平均值。而
The long-term morbidity of very low birth weight infants (ELBW) is abnormally high. In this paper, 55 cases of survival and 2 years of which 5.5 years, 50 cases of birth weight 500 ~ 999g of children conducted a psychological and pediatric analysis. 2-year-olds were identified by psychologists using Bayley Infant Developmental Indicators and Bayley Infant Behavior Records, and a pediatrician conducted a standard neurodevelopmental examination. These infants were interviewed in the first year of life for damage screening. 5.5 years old again when the above identification. The examiner did not know the infant’s perinatal history and the results of psychological and neurological development at 2 years of age. Psychologists switched to using the Wechsler Preschool Intelligence Scale (WPPSI), and standard neurodevelopmental tests were performed by the examining physician at the age of 2 on the same criteria. The results showed that the average mental development index (MDI) at 2 years old was 91.1, which was significantly lower than the average of the normal population. and