Longitudinal study on physical catch-up in 178 extremely premature infants within one year old

QU Xiao-li; CHEN Jie-rong; LIU Shi-xin; SUN Bin-bin; ZHONG Xia; JIANG Wen; WAN Guo-bin

doi:10.11852/zgetbjzz2019-0021

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Chinese Journal of Child Health Care ›› 2019, Vol. 27 ›› Issue (6) : 588-591. DOI: 10.11852/zgetbjzz2019-0021

Longitudinal study on physical catch-up in 178 extremely premature infants within one year old

QU Xiao-li, CHEN Jie-rong, LIU Shi-xin, SUN Bin-bin , ZHONG Xia, JIANG Wen, WAN Guo-bin

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Abstract

Objectives To observe the catch-up growth characteristics of the extremely premature infants from discharge to the age of 1 year after birth,and to explore the growth rhythm of catching up,so as to provide reference for clinical intervention. Methods A total of 178 extremely premature infants (103 males and 75 females) in Shenzhen Maternal and Child Health Hospital were enrolled in this study and were followed up from August,2013 to April,2018. The weight,length and head circumference were evaluated by Z score according to the criterions of actual age and corrected age. Results The extremely premature infants showed catch-up growth in weight,length and head circumference in the first year of life. The growth velocity in length was the lowest within 3 months of correlated age. There was the poorest head circumference growth from 4 to 9 months of correlated age. The best catch-up growth velocity was in the time from 4 to 6 months after birth. Conclusions The fastest catch-up growth period of extremely premature infants is in the time from discharge to 6 months after birth.And there is an imbalance among the growth velocity of weight,tenget and head circumference.

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extremely preterm infants / catch-up growth / Z scores

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QU Xiao-li, CHEN Jie-rong, LIU Shi-xin, SUN Bin-bin , ZHONG Xia, JIANG Wen, WAN Guo-bin. Longitudinal study on physical catch-up in 178 extremely premature infants within one year old[J]. Chinese Journal of Child Health Care. 2019, 27(6): 588-591 https://doi.org/10.11852/zgetbjzz2019-0021

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