Objective To discuss the effect of early complex intervention on preterm infants intelligence development at 12 months corrected gestational age. Methods A total of 108 preterm infants who were born in Longgang Maternal and Child Health Care Hospital in 2012 were divided into early intervention group (n=57, group A) and internal control group (n=51, group B).At the same time, 49 normal term infants randomly selected who were born in the same hospital in 2012 were external control group(group C).All infants were examined according to the CDCC scale at 12 months corrected gestational age . Results The mental development index(MDI) of group A at 12 months corrected gestational age was 109.40±8.66, which was higher than that of group B (101.35±14.67), the difference was statistically significant (t=3.516, P=0.001).The psychomotor development index(PDI)of group A at 12 months corrected gestational age was 98.89±10.84, which was higher than that of group B (93.69±15.82), the difference was statistically significant (t=2.013, P=0.047).The rates of MDI≤69 and PDI≤69 in group A were all 0%, which was lower than that of group B (7.84%), the difference was statistically significant (χ2=4.643, P=0.047).The MDI of group C at 12 months corrected gestational age was 105.96±10.61, there was no statistical significance compared with group A(t=1.841, P=0.068).The PDI of group A was higher than that of group C (90.16±8.64)at 12 months corrected gestational age, the difference was statistically significant(t=4.535, P＜0.001). Conclusion The early complex intervention can improve the intelligence development, reduce the incidence of mental retardation and motor development retardation in preterm infants at the age of 1.
Key words
preterm infant /
early intervention /
CDCC scale
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