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Background <p>Congenital coronary artery fistula (CAF) is a rare congenital cardiovascular malformation characterized by an anomalous connection between a coronary artery and a cardiac chamber or great vessel. Prenatal diagnosis remains challenging.</p> Case summary <p>A 29-year-old G2P1 pregnant woman was diagnosed with fetal left coronary artery-to-right ventricle fistula via prenatal ultrasound at 21 weeks. Postpartum follow-up showed progressive coronary dilation, leading to surgical repair. A cardiac enhanced CT scan also confirmed the diagnosis of CAF. One-year postoperative ultrasound revealed improved cardiac structure with residual mild complications.</p> Conclusion <p>Prenatal ultrasound is pivotal for early CAF diagnosis, guiding postnatal intervention and improving prognosis.</p>

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Prenatal ultrasound diagnosis and follow-up tracking of a case of congenital coronary artery fistula

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月25日

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  • Haoliang Huang,
  • Yuxia Liang,
  • Yuhua Yu,
  • Xuebing Zhao,
  • Lijuan Sun

摘要

Background

Congenital coronary artery fistula (CAF) is a rare congenital cardiovascular malformation characterized by an anomalous connection between a coronary artery and a cardiac chamber or great vessel. Prenatal diagnosis remains challenging.

Case summary

A 29-year-old G2P1 pregnant woman was diagnosed with fetal left coronary artery-to-right ventricle fistula via prenatal ultrasound at 21 weeks. Postpartum follow-up showed progressive coronary dilation, leading to surgical repair. A cardiac enhanced CT scan also confirmed the diagnosis of CAF. One-year postoperative ultrasound revealed improved cardiac structure with residual mild complications.

Conclusion

Prenatal ultrasound is pivotal for early CAF diagnosis, guiding postnatal intervention and improving prognosis.