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中华医学超声杂志(电子版) ›› 2020, Vol. 17 ›› Issue (11) : 1090 -1094. doi: 10.3877/cma.j.issn.1672-6448.2020.11.007

所属专题: 文献

妇产科超声影像学

孕中期超声与甲状腺激素联合检查对诊断非匀称型胎儿宫内生长受限的价值
吕康泰1,(), 赵海静1, 邓红彬1, 陆青1, 王娟1, 吴海平1, 侯进军1, 罗钰铭1   
  1. 1. 210011 南京医科大学第二附属医院超声科
  • 收稿日期:2020-04-08 出版日期:2020-11-01
  • 通信作者: 吕康泰
  • 基金资助:
    江苏省妇幼健康科研项目(F201621)

Ultrasound combined with thyroid hormone detection for diagnosis of intrauterine growth restriction in asymmetrical fetuses in the second trimester of pregnancy

Kangtai Lyu1,(), Haijing Zhao1, Hongbin Deng1, Qing Lu1, Juan Wang1, Haiping Wu1, Jinjun Hou1, Yuming Luo1   

  1. 1. Department of Ultrasound, the Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
  • Received:2020-04-08 Published:2020-11-01
  • Corresponding author: Kangtai Lyu
  • About author:
    Corresponding author: Lyu Kangtai, Email:
引用本文:

吕康泰, 赵海静, 邓红彬, 陆青, 王娟, 吴海平, 侯进军, 罗钰铭. 孕中期超声与甲状腺激素联合检查对诊断非匀称型胎儿宫内生长受限的价值[J/OL]. 中华医学超声杂志(电子版), 2020, 17(11): 1090-1094.

Kangtai Lyu, Haijing Zhao, Hongbin Deng, Qing Lu, Juan Wang, Haiping Wu, Jinjun Hou, Yuming Luo. Ultrasound combined with thyroid hormone detection for diagnosis of intrauterine growth restriction in asymmetrical fetuses in the second trimester of pregnancy[J/OL]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2020, 17(11): 1090-1094.

目的

探讨孕中期超声与甲状腺激素联合检查对诊断非匀称型胎儿宫内生长受限(IUGR)的价值。

方法

选取2016年6月至2019年6月在南京医科大学第二附属医院建立围产期保健卡的自然受孕单胎孕中期母胎6010例,其中胎儿为非匀称型IUGR者97例为观察组,同孕期胎儿生长均衡的孕母30例为对照组。分别采用Mann-Whitney U检验和独立样本t检验对比评价孕(18±1)周、(22±1)周,观察组与对照组母体血清促甲状腺激素(TSH)和游离甲状腺素(FT4)水平的差异。采用受试者操作特征(ROC)曲线分析孕(18±1)周和(22±1)周母体TSH和FT4预测胎儿生长迟缓的价值。

结果

观察组母体(18±1)周和(22±1)周时FT4水平低于对照组[(10.74±2.87)pmol/L vs(14.83±1.91)pmol/L;(11.96±2.87)pmol/L vs(15.28±2.14)pmol/L],差异均具有统计学意义(t=-6.978、-6.793,P均<0.001);观察组母体(22±1)周时TSH水平高于对照组[2.52(1.74~3.21)mlU/ml vs 1.96(1.54~2.76)mlU/ml],差异有统计学意义(Z=-2.191,P=0.028);(18±1)周时2组母体TSH水平比较,差异无统计学意义(P>0.05)。孕(18±1)周、(22±1)周时母体FT4预测胎儿生长迟缓的敏感度均大于95%,分别为96.7%和100%,显著高于TSH(32.4%和55.2%);但母体TSH预测胎儿生长迟缓的特异度(90.0%和73.3%)却高于FT4(75.7%和56.2%)。

结论

孕中期超声与甲状腺激素联合检查对非匀称型IUGR具有一定的预测价值。

Objective

To evaluate the diagnostic value of mid-pregnancy ultrasound combined with thyroid hormone examination for asymmetrical fetal intrauterine growth restriction (IUGR).

Methods

A total of 6010 naturally conceived single fetuses in the second trimester of gestation were selected at the Second Affiliated Hospital of Nanjing Medical University from June 2016 to June 2019, among which 97 cases of fetuses with asymmetrical IUGR were included in an observation group. Thirty cases of fetuses during normal pregnancy were included in a control group. Mann-Whitney U test and independent sample t test were used to compare the difference of maternal serum thyroid stimulating hormone (TSH) and free thyroxine (FT4) between the observation group and the control group at (18±1) weeks and (22±1) weeks of pregnancy. The receiver operating characteristic (ROC) curve was used to analyze the value of maternal TSH and FT4 in predicting fetal growth retardation at (18±1) weeks and (22±1) weeks of gestation.

Results

The FT4 levels of the observation group were significantly lower than those of the control group at (18±1) weeks and (22±1) weeks [(10.74±2.87) pmol/L vs (14.83±1.91) pmol/L, t=-6.978, P<0.001; (11.96±2.87) pmol/L vs (15.28±2.14) pmol/L, t=-6.793, P<0.001], but TSH was significantly higher in the observation group than in the control group at (22±1) weeks [2.52 (1.74~3.21) mIU/ml vs 1.96 (1.54~2.76) mIU/ml, Z=-2.191, P=0.028]. There was no significant difference in maternal TSH between the two groups at 18±1 weeks (P>0.05). At (18±1) weeks and (22±1) weeks, the sensitivities of maternal FT4 in predicting fetal growth retardation were 96.7% and 100%, respectively, which were significantly higher than those of TSH (32.4% and 55.2%). However, maternal TSH predicted fetal growth retardation more specifically than FT4 (90.0% vs 75.7%, 73.3% vs 56.2%).

Conclusion

Ultrasound combined with thyroid hormone detection has appreciated predictive value for asymmetrical IUGR in the second trimester of pregnancy.

表1 孕(18±1)周和孕(22±1)周母体甲状腺功能生物标记物检查结果(例)
表2 观察组和对照组孕(18±1)周和孕(22±1)周母体甲状腺功能生物标记物检查结果比较
图1 两阶段母体促甲状腺激素和游离甲状腺素预测胎儿生长迟缓的受试者操作特征(ROC)曲线。图a为(18±1)周时促甲状腺激素的ROC曲线,图b为(18±1)周时游离甲状腺激素的ROC曲线,图c为(22±1)周时促甲状腺激素的ROC曲线,图d为(22±1)周时游离甲状腺激素的ROC曲线
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