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中华医学超声杂志(电子版) ›› 2018, Vol. 15 ›› Issue (07) : 530 -533. doi: 10.3877/cma.j.issn.1672-6448.2018.07.011

所属专题: 文献

小儿超声影像学

超声评价新生儿胼胝体发育及影响因素
李静1, 聂芳1,(), 魏佳琪1, 董甜甜1, 卜岚1, 汪延芳1, 李琪1, 杨丹1   
  1. 1. 730030 兰州大学第二医院超声科
  • 收稿日期:2017-06-10 出版日期:2018-07-01
  • 通信作者: 聂芳

Evaluation of the development of neonatal corpus callosum and the influencing factors by ultrasonography

Jing Li1, Fang Nie1,(), Jiaqi Wei1, Tiantian Dong1, Lan Bu1, Yanfang Wang1, Qi Li1, Dan Yang1   

  1. 1. Department of Medical Ultrasound, Lanzhou University Second Hospital, Lanzhou 730030, China
  • Received:2017-06-10 Published:2018-07-01
  • Corresponding author: Fang Nie
  • About author:
    Corresponding author: Nie Fang, Email:
引用本文:

李静, 聂芳, 魏佳琪, 董甜甜, 卜岚, 汪延芳, 李琪, 杨丹. 超声评价新生儿胼胝体发育及影响因素[J]. 中华医学超声杂志(电子版), 2018, 15(07): 530-533.

Jing Li, Fang Nie, Jiaqi Wei, Tiantian Dong, Lan Bu, Yanfang Wang, Qi Li, Dan Yang. Evaluation of the development of neonatal corpus callosum and the influencing factors by ultrasonography[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2018, 15(07): 530-533.

目的

通过颅脑超声监测胼胝体的生长率,分析新生儿胼胝体发育的影响因素,为早期评价和治疗脑发育性疾病提供依据。

方法

选择2016年4月至12月就诊于兰州大学第二医院新生儿重症监护室(NICU)的97例新生儿,其中,早产儿54例(27~34周),足月儿43例。所有新生儿于出生后0~6周每周行颅脑超声检查并测量胼胝体矢状长度,通过独立样本t检验比较早产儿、足月儿出生后0~6周胼胝体生长率。采用Spearman相关分析孕周、新生儿出生体质量与胼胝体生长率之间的关系。

结果

(1)新生儿出生时胼胝体矢状长度与孕周、出生体质量成正相关(r=0.57、0.58);(2)早产儿出生后0周、2周、3周、4周、5周、6周胼胝体长度均低于足月儿,差异均有统计学意义(t=6.22、6.51、7.81、8.87、10.25、11.64,P均<0.001);(3)早产儿、足月儿出生后0~2周胼胝体生长率比较,差异无统计学意义(P>0.05),出生后2~6周每周早产儿胼胝体生长率均低于足月儿,差异均有统计学意义(t=13.91、14.76、13.85、12.21,P均<0.001)。

结论

新生儿胼胝体的发育与孕周、出生体质量有关;颅脑超声能实时动态监测胼胝体的生长发育。

Objective

To analyze the influencing factors of the development of corpus callosum in newborns through monitoring the growth rate of the corpus callosum by ultrasonography.

Methods

The study included 97 cases of newborns who were admitted in Lanzhou University Second Hospital neonatal intensive care unit (NICU) from April 2016 to December 2016. Of them, there were 54 premature infants (27-34 w) and 43 term infants. The sagittal length of corpus callosum was measured by ultrasonography per week at 0-6 w of age. The growth rate of corpus callosum was compared between preterm infants and term infants by independent sample t test. The relationships between gestational age, neonatal birth weight and corpus callosum growth rate were analyzed.

Results

(1) The sagittal length of the corpus callosum in newborns were correlated with gestational age and birth weight (r=0.57, 0.58). (2) The length of corpus callosum at 0 weeks, 2 weeks, 3 weeks, 4 weeks, 5 weeks and 6 weeks after birth was lower than that of term infants (t=6.22, 6.51, 7.81, 8.87, 10.25, 11.64, all P<0.01). (3) There was no significant difference in the growth rate of corpus callosum between preterm and term infants at 0-2 weeks after birth (P>0.05). The growth rate of corpus callosum was significantly different between preterm and term infants at 2-6 weeks after birth (t=13.91, 14.76, 13.85, 12.21, all P<0.01).

Conclusions

The development of the corpus callosum is related to gestational age and birth weight. Cranial ultrasound can dynamically monitor the growth and development of the corpus callosum.

图1 新生儿正中矢状层面颅脑超声图像。胼胝体矢状长度(箭头所示)
表1 97例新生儿胼胝体矢状长度测量值(mm,±s
表2 早产儿、足月儿0~6周胼胝体生长率比较(mm/周,±s
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