• 1. Department of Ultrasound, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China; 2. Department of Ultrasound, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P. R. China;
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目的  分析不同孕周正常胎儿静脉导管的频谱特征及血流频谱参数,得到不同孕周胎儿各频谱参数的正常参考值范围。 方法  2011年6月-9月检测记录不同孕周胎儿的静脉导管波形及各频谱参数,统计各频谱参数的正常参考值范围,并评估与其孕周的相关性。 结果   胎儿静脉导管的频谱速度参数与孕周呈正相关,阻力参数与孕周呈负相关,均以11~20周变化趋势较明显,其中3.59%的胎儿静脉导管频谱出现异常。 结论  正常胎儿的静脉导管血流参数与孕周有较好的相关性,静脉导管频谱在孕16周前可出现生理性的异常。

Citation: ZHOU Caiyun,LUO Hong.. Analysis of Normal Fetal Ductus Venosus Spectrum at 11-40 Weeks of Gestation. West China Medical Journal, 2013, 28(2): 244-248. doi: 10.7507/1002-0179.20130077 Copy

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