Assessing Coarctation of the Aorta With Fetal Heart Quantification Technology

Author:

Yang Jiaojiao1,Tan Fang2,Shen Yuqin1,Zhao Yuan3,Xia Yan3,Fan Sihan4,Ji Xueqin4

Affiliation:

1. Department of Obstetrics and Gynecology Center, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750003, China

2. Ultrasound Medicine Department, Xian Yang Central Hospital, Xianyang, Shaanxi 712099, China

3. Ultrasound Medicine Department, Peking University First Hospital Ningxia Women’s and Children's Hospital (Ningxia Hui Autonomous Region Maternal and Child Health Hospital), Yinchuan, Ningxia 750002, China

4. Ningxia Medical University, Yinchuan, Ningxia 750004, China.

Abstract

Abstract Objective To use fetal heart quantification (fetal HQ) technology to compare the coarctation of the aorta (CoA) and normal fetal heart structure and systolic function and to assess whether there are abnormalities in the fetal heart structure and systolic function associated with CoA. Methods This prospective cohort study was conducted from May 2020 to December 2022 and involved 18–40-week-old singleton pregnancies and 30 fetuses diagnosed with CoA using fetal echocardiography at the General Hospital of Ningxia Medical University and Peking University First Hospital Ningxia Women’s and Children’s Hospital, China. The control group contained 60 normal fetuses. The following parameters were recorded and analyzed statistically: four-chamber view (4CV) end-diastolic long diameter, 4CV epicardial–contralateral epicardial transverse maximum diameter, 4CV global sphericity index (GSI), left ventricular (LV) and right ventricular (RV) 24-segment end-diastolic diameter (EDD), 24-segment sphericity index (SI), LV-fractional area change (LV-FAC), LV-longitudinal strain (LV-LS), RV-fractional area change (RV-FAC), RV-longitudinal strain (RV-LS), and LV and RV 24-segment transverse fractional shortening (FS). Measurement data were compared between the two groups using an independent sample t test, with P < 0.05 indicating statistically significant differences. Moreover, the correlation between gestational age and GSI, LV-FAC, LV-LS, RV-FAC, and RV-LS was assessed. Results Within and between observer comparisons of the parameters associated with major cardiac function revealed an intragroup correlation coefficient of >0.9, indicating high consistency, and a coefficient of variable of <1%, indicating low variability. Correlation analysis revealed no obvious correlation between gestational age and GSI, LV-FAC, LV-LS, RV-FAC, and RV-LS. A comparison of the four-chamber morphological structural parameters of the hearts in the two groups revealed that when compared with the control group, the 4CV end-diastolic long diameter was shortened in fetuses in the CoA group and the epicardial–contralateral epicardial transverse maximum diameter was wider, while the GSI was lower (P < 0.05). A comparison of the LV and RV morphological structure parameters between the two groups revealed that when compared with the control group, the LV’s 24-segment EDD was smaller in the CoA group, the RV’s 24-segment EDD was greater in the control group, the SI of the LV’s segments 16–24 was greater than in the control group, and the SI of the RV’s segments 7–24 was less than in the control group (all P < 0.05). When compared with fetuses in the control group, the LV’s segments 16–24 were greater in the CoA group, whereas the RV’s segment 6–24 was smaller (P < 0.05). When compared with the control group, LV-FAC, RV-FAC, and LS were lower in the CoA group (P < 0.05). The FS of the LV segments 1–24 and the FS of the RV segments 1–16 were smaller in the CoA group than in the normal group (P < 0.05). Conclusion Fetal HQ, a new simple technique that offers rapid analysis and high repeatability, can quantitatively evaluate structural and systolic function changes in fetuses with CoA.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Reference39 articles.

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