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. 2025 Apr 1;15(4):3692-3696.
doi: 10.21037/qims-24-2420. Epub 2025 Mar 28.

Prenatal diagnosis of coronary artery to right ventricle fistula: a case description

Zhong-Feng Tang  1   2   3 , Lin Deng #  1   2 , Wang Xing #  4   5 , Lei Yang #  6
Affiliations

Prenatal diagnosis of coronary artery to right ventricle fistula: a case description

Zhong-Feng Tang et al. Quant Imaging Med Surg. .
No abstract available

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Conflict of interest statement

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://qims.amegroups.com/article/view/10.21037/qims-24-2420/coif). L.Y. reports receiving funding from the Lanzhou Talent Innovation and Entrepreneurship Project (No. 2023-RC-23). The other authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Two-dimensional and Doppler ultrasound imaging was conducted for critical assessment of the fetal coronary artery and abnormal shunt hemodynamics in the fetal heart. (A) Fetal heart two-dimensional ultrasound was used to measure the diameter of the coronary artery. (B) Color Doppler indicated a continuous blood flow signal from the apex toward the tricuspid valve (arrow). (C) Measurement of blood flow velocity. AO, aorta; LV, left ventricle; RV, right ventricle.
Figure 2
Figure 2
Postnatal two-dimensional and color Doppler echocardiographic images of the infant provided key measurements of the coronary arteries and demonstrated abnormal shunt flow. (A) Inner diameter of the left coronary artery. (B) Inner diameter of the left coronary artery fistula into the right ventricular fistula opening (arrow). (C) Color Doppler indicated that the left anterior descending artery reached the apex and then looped along the posterior interventricular septum to the posterior atrioventricular groove, showing bright turbulent flow at the connection sites with the right ventricle at the apical and atrioventricular groove regions. (D) The continuous shunt flow velocity was approximately 300 cm/s. IVS, interventricular septum; LCA, left coronary artery; LDA, left descending artery; RA, right atrium; RV, right ventricle.
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