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曹素娥, 季加芬, 李瑞香. 匀称型和非匀称型足月小于胎龄儿生命早期的线性生长模式[J]. 中国妇幼卫生杂志, 2024, 15(3): 43-50. DOI: 10.19757/j.cnki.issn1674-7763.2024.03.008
引用本文: 曹素娥, 季加芬, 李瑞香. 匀称型和非匀称型足月小于胎龄儿生命早期的线性生长模式[J]. 中国妇幼卫生杂志, 2024, 15(3): 43-50. DOI: 10.19757/j.cnki.issn1674-7763.2024.03.008
CAO Su E, JI Jia Fen, LI Rui Xiang. The early life stage linear growth model of symmetrical and asymmetrical full-term small for gestational age infants[J]. CHINESE JOURNAL OF WOMEN AND CHILDREN HEALTH, 2024, 15(3): 43-50. DOI: 10.19757/j.cnki.issn1674-7763.2024.03.008
Citation: CAO Su E, JI Jia Fen, LI Rui Xiang. The early life stage linear growth model of symmetrical and asymmetrical full-term small for gestational age infants[J]. CHINESE JOURNAL OF WOMEN AND CHILDREN HEALTH, 2024, 15(3): 43-50. DOI: 10.19757/j.cnki.issn1674-7763.2024.03.008

匀称型和非匀称型足月小于胎龄儿生命早期的线性生长模式

The early life stage linear growth model of symmetrical and asymmetrical full-term small for gestational age infants

  • 摘要:
    目的 分析匀称型和非匀称型足月小于胎龄儿(small for gestational age,SGA)0 ~ 1岁的线性生长模式,为SGA的早期生长监测提供参考依据。
    方法 采用前瞻性队列研究的方法,选取2020年1月1日至2022年1月1日于潍坊医学院附属医院产科分娩的健康足月SGA为研究对象。根据出生重量指数将研究对象分为匀称型和非匀称型SGA,其线性生长模式采用身长的生长速度、生长水平的变化、追赶生长、减速生长及生长迟缓等指标来综合反映,并进行组间比较。
    结果 共纳入135名足月SGA,其中匀称型SGA 38名、非匀称型SGA 97名。两组比较结果显示,非匀称型SGA的身长与年龄别身长Z评分在生长水平上相较于匀称型SGA处于优势,匀称型SGA的生长速度更快,两者比较差异均具有统计学意义(均P < 0.05)。生命早期匀称型SGA出现追赶生长的发生率更高(P < 0.05),至1岁时趋近非匀称型SGA的生长水平(P > 0.05)。非匀称型SGA不仅出现减速生长的发生率高于匀称型SGA,且出现超重或肥胖的发生率亦高,达到15.46%,两者比较差异均具有统计学意义(均P < 0.05)。
    结论 匀称型SGA生命早期的线性生长模式更理想,非匀称型SGA容易出现生长失衡(减速生长、生长迟缓、超重或肥胖),更需要引起临床医生的重视。

     

    Abstract:
    Objective To analyze linear growth model of symmetrical and asymmetrical full-term small for gestational age (SGA) infants aged 0 − 1, so as to provide evidence for their early growth monitoring.
    Methods A prospective cohort study was used to recruit healthy full-term SGA infants who were born in the obstetrics department of affiliated hospital of Weifang medical university between Jan 1st, 2020, and Jan 1st, 2022 as study subjects. Symmetrical and asymmetrical SGA infants were categorized based on their ponderal index. The linear growth model was described through various growth indicators, including growth velocity, changes in length growth, catch-up growth, decelerated growth, and growth retardation. Differences between groups were compared.
    Results A total of 135 full-term SGA infants were recruited, including 38 symmetrical SGA and 97 asymmetrical SGA cases. The comparative analysis of the two groups revealed that asymmetrical SGA showed a superior growth level compared to symmetrical SGA in the aspects of a higher Z-score for body length and age-specific body length. Then, symmetrical SGA demonstrated a faster growth rate. The differences were statistically significant (all P < 0.05). During early life stage, symmetrical SGA showed a notable increase in catch-up growth (P < 0.05), and approaching similar growth levels of asymmetrical SGA by age 1 (P > 0.05). Additionally, asymmetrical SGA individuals exhibited a larger proportion of decelerating growth compared to symmetrical SGA individuals, along with a larger proportion of overweight or obesity, reaching 15.46%. The differences were statistically significant (all P < 0.05).
    Conclusion Symmetrical SGA infants exhibit a more optimal early linear growth pattern, while asymmetrical SGA infants are at a higher risk for growth imbalances such as decelerated growth, growth retardation, and overweight or obesity, which should be paid much attention by healthcare providers.

     

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