Model Analysis of Fetal Intrauterine Hypoxia Predicted by Color Doppler Ultrasound Parameters MCA and UA Combined with Fetal Heart Rate Monitoring

doi:10.7517/issn.1674-0475.191101

Abstract

Abstract: In this paper, the predictive value of the middle cerebral artery (MCA) and umbilical artery (UA) combined with fetal heart monitoring for intrauterine hypoxia were investigated. A total of 400 pregnant women were selected. The patients were divided into case group (72 cases) and control group (328 cases) according to with or without intrauterine hypoxia. The ratio of MCA to UA resistance index (MCA/UA), including RI, PI, and the ratio of systolic peak velocity to end-diastolic flow velocity (S/D), were compared between the two groups to analyze the evaluating effect of the parameters on intrauterine hypoxia. The RI, PI and S/D of MCA in the case group were smaller than that in the control group, while the RI, PI and S/D of UA were higher than that in the control group, and the data of MCA/UA in the case group were lower than that in the control group (P<0.05). Fetal heart monitoring indicated that the abnormal rate of fetal heart in the case group was significantly higher than that in the control group (P<0.05). The ROC curve indicated that the area under the curve predicted by RI, PI and S/D of MCA/UA was 0.628, 0.661 and 0.598, respectively. The consistency between fetal cardiac monitoring and clinical diagnosis on intrauterine hypoxia was 0.661, while the consistency between color Doppler ultrasound combined with fetal cardiac monitoring and clinical diagnosis was 0.798. In conclusion, the use of color Doppler ultrasound parameters of MCA, UA and fetal heart monitoring in the prediction of intrauterine hypoxia can improve the accuracy of evaluation and facilitate early treatment.

Key words: fetal intrauterine hypoxia, fetal middle cerebral artery, fetal umbilical artery, fetal heart monitoring

QIU Mengmeng, LI Gonglu. Model Analysis of Fetal Intrauterine Hypoxia Predicted by Color Doppler Ultrasound Parameters MCA and UA Combined with Fetal Heart Rate Monitoring[J]. Imaging Science and Photochemistry, 2020, 38(4): 621-625.

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