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| Quantitative Study on the Detection of Ultrasonic Beckoning Diagram on Blood Flow Spectrum of Fetal Ductus Arteriosus |
| Nanhai District of Guicheng City Guangdong Province Hospital， Foshan 528200，China |
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Abstract Objective： To explore the application of detection of ultrasonic beckoning diagram on blood flow spectrum of fetal ductus arteriosus. Method： To select 156 patients with normal singleton birth for prenatal ultrasonography in our hospital from September 2012 to September 2014 as the research objects， application of color doppler ultrasound beckoning diagram， detection of normal fetal ductus arteriosus， variation rules of dynamic observation of the fetal period with different development. Result： 156 patients with normal fetal ductus were obtain two-dimensional ultrasound relatively clear beckoning with color Doppler flow spectrum， transcatheter arterial pulse doppler spectrum showed a bimodal pattern； through regression analysis， related to gestational age and AT，PFVd， PFVs positive（ P<0.05）. Conclusion： The application of graph is of vital significance of beckoning detected in normal fetal ductus arteriosus blood flow spectrum in quantitative study of ultrasound， fetal circulation system can provide physiological information， early assessment of fetal risk value， timely intervention， clinical attention should be paid.
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