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Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2026, Vol. 23 ›› Issue (05): 408-415. doi: 10.3877/cma.j.issn.1672-6448.2026.05.011

• Obstetric and Gynecologic Ultrasound • Previous Articles    

Diagnostic performance of conventional ultrasound views combined with short-axis view of the cardiac base and pulmonary artery bifurcation plane for common fetal congenital heart disease

Qiuluan Zhuo, Huixian Pang, Hongyan Wei, Xinkui Jiang, Wei Jiang()   

  1. Department of Ultrasound, Shenzhen Nanshan District People's Hospital, Shenzhen 518052, China
  • Received:2026-02-04 Online:2026-05-01 Published:2026-07-15
  • Contact: Wei Jiang

Abstract:

Objective

To evaluate the diagnostic efficacy of routine ultrasound views combined with the short-axis view of the cardiac base (SAVCB) and the pulmonary artery bifurcation plane (PABP) for common fetal congenital heart disease (CHD).

Methods

This retrospective study included 176 pregnant women with fetuses suspected of having CHD who underwent prenatal examination at Shenzhen Nanshan People's Hospital from April 2018 to December 2025. Based on postnatal gold-standard diagnoses, they were divided into a CHD group (n=132) and a normal control group (n=44). All participants underwent routine ultrasound views plus additional SAVCB and PABP examinations. Key ultrasound parameters were quantified, including pulmonary artery (PA) diameter, aortic (AO) diameter, PA/AO ratio, superior vena cava (SVC) diameter, pulmonary valve peak velocity (PVmax), aortic valve peak velocity (AVmax), PVmax/AVmax ratio, left pulmonary artery (LPA) diameter, and right pulmonary artery (RPA) diameter. The t-test was used to compare the above-mentioned ultrasound parameters between the two groups. Receiver operating characteristic (ROC) curves were used to assess the diagnostic performance of different view combinations, with calculation of the area under the curve (AUC), sensitivity, specificity, and Youden index.

Results

The CHD group demonstrated significantly higher SVC and PVmax/AVmax compared with the control group [(5.89±0.73) mm vs (4.21±0.65) mm and (0.97±0.22) vs (0.75±0.13); t=-13.572 and -6.271, respectively; both P<0.001], and significantly lower PA/AO, LPA, and RPA than the control group ([(1.07±0.11) vs (1.34±0.26), (2.52±0.35) mm vs (3.75±0.42) mm, and (2.68±0.32) mm vs (3.91±0.38) mm; t=9.653, 19.173, and 21.040, respectively; all P<0.001]. The combined screening protocol integrating conventional views with SAVCB and PABP achieved the best diagnostic performance, with a detection rate of 84.44% for fetal CHD, an AUC of 0.902, a sensitivity of 95.45%, and a specificity of 84.85%.

Conclusion

The screening strategy integrating conventional ultrasound views with SAVCB and PABP significantly enhances the diagnostic efficacy for fetal CHD and optimizes the prenatal screening framework for this condition.

Key words: Congenital heart disease, fetal, Ultrasonic examination, Basal short-axis view, Pulmonary artery bifurcation view

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