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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Normal length of the fetal liver from 14 to 40 weeks of gestational age.
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Normal length of the fetal liver from 14 to 40 weeks of gestational age.

机译：胎肝的正常长度为胎龄14至40周。

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摘要

OBJECTIVE: To create a normal reference table of fetal liver length in normal fetuses METHODS: A prospective, cross-sectional study was conducted on normal pregnancies with accurate gestational age (GA) from 14 to 40 weeks of gestation. All fetuses were measured for fetal liver length from the top of the right hemidiaphragm to tip of the right liver lobe on coronal image of the fetal abdomen, using high-resolution real-time ultrasound with a 2- to 4-MHz convex transducer. RESULTS: A total of 685 normal pregnant women between 14 and 40 weeks of gestation were recruited. Forty-five were excluded due to poor image quality and fetal abnormalities. The remaining 640 were available for analysis. The linear regression model was best fitted to estimate the 5th, 50th, and 95th percentile range of liver length at each gestational week. Fetal liver length was gradually increased with GA with fitted equation as follows: Liver length (mm) = 1.61 (GA, week) - 6.75 (r(2) = 0.94, p < 0.001). CONCLUSION: A normal reference range of fetal liver length for each GA between 14 and 40 weeks was constructed. This may be a useful tool in assessment for some fetal pathologic conditions, especially when fetal anemia is suspected.
机译：目的：为正常胎儿创建一个正常的胎儿肝长度参考表。方法：对具有正常胎龄（GA）的正常妊娠进行了前瞻性横断面研究，妊娠时间为14至40周。使用带有2-MHz到4-MHz凸面换能器的高分辨率实时超声，在胎儿腹部冠状位图像上测量了所有胎儿的从右半ia肌顶部到右肝叶尖端的胎儿肝脏长度。结果：总共招募了685名在14至40周妊娠之间的正常孕妇。由于图像质量差和胎儿异常而排除了四十五。其余640个可用于分析。线性回归模型最适合估计每个孕周的肝脏长度的第5、50和95％百分位。胎儿肝长度通过GA随拟合方程逐渐增加，如下所示：肝长度（mm）= 1.61（GA，周）-6.75（r（2）= 0.94，p <0.001）。结论：构建了每个GA在14到40周之间的正常胎儿肝长度参考范围。这可能是评估某些胎儿病理状况的有用工具，尤其是在怀疑胎儿贫血的情况下。

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