Waveform and spectrum parameters of fetal ductus venosus of complex fetal heart malformation in#br# middle and late pregnancy
1. Department of Diagnostic Ultrasound, Shaanxi Province Dingbian County People’s Hospital, Dingbian Shaanxi 718600, China; 2. The Ultrasonic Cardiogram of Beijing Anzhen Hospital Affiliated to Capital Medical University, Beijing 100029, China
Abstract：Objective: To analyze spectrum parameters of fetal ductus venosus of complex fetal heart malformations in middle and late pregnancy, and to find out the relationship between different complex fetal heart malformations and DV waveform characteristics. Method: DV waveform and spectrum parameters of complex fetal heart malformations were recorded, followed-up and grouped. Results: In the cases with right ventricular system abnormalities, the S, D, RI, PVIV and S/A increased significantly, while A waves significantly reduced, disappeard or even reversed. In the cases with left ventricular system abnormalities, the S and D increased, while A, RI, PVIV and S/A had no obvious change. The S, D, A, RI, PVIV and S/A in cases with conus arteriosus abnormalities and huge atrioventricular septal defect had no obvious difference. Conclusion: Abnormal DV waveform can be a clue for different types of complex fetal heart malformations.
陈心玫1，杨 娅2，李淑娟1. 中晚孕期胎儿复杂心脏畸形静脉导管血流频谱分析[J]. 中国临床医学影像杂志, 2016, 27(7): 499-501.
CHEN Xin-mei1, YANG Ya2, LI Shu-juan1. Waveform and spectrum parameters of fetal ductus venosus of complex fetal heart malformation in#br# middle and late pregnancy. JOURNAL OF CHINA MEDICAL IMAGING, 2016, 27(7): 499-501.
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