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| Analysis of real-time dynamic four-dimensional time-space correlation imaging in the diagnosis of fetal cardiac malformation |
| The Third People's Hospital of Zigong City, Sichuan Province, 643000 |
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Abstract Objective: To investigate the application of real-time dynamic four-dimensional time-space correlation imaging (STIC) in the diagnosis of fetal cardiac malformation. Methods: From August 2017 to June 2018, 160 pregnant women who had accepted antenatal examination were enrolled in this study. All women were examined by two-dimensional ultrasound (TDU) and STIC, and the results were compared between the two examination methods. Results: Both the screening time and the image acquisition time of STIC for single fetal were significant less than those of TDU (P<0.05). In these 160 women, 7 women’s fetuses were diagnosed congenital heart malformation by pathology or by clinical diagnosis after born. Among them, 5 cases were detected by TDU (the detection rate was 71.4%) and 2 cases were missed (the rate of missed diagnosis was 28.6%), and there was no misdiagnosed case. And 7 cases were all detected by STIC (the detection rate was 100%, and there was no any case missed or misdiagnosed). The detection rate by STIC was significant higher than that by TDU (P<0.05). As for normal fetuses, the total satisfaction of the examination of fourchamber heart, right ventricular outflow tract, and left ventricular outflow tract by STIC had no significant different from by TDU (P>0.05). Conclusion: STIC used for diagnosing fetal cardiac malformation has good detection rate, which can obtain high quality standard diagnostic section of fetal heart.
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