PP-03 Prenatal diagnosis of ductus arteriosus aneurysm

Objective

Ductus arteriosus aneurysm is a rare cardiac anomaly. In this case report; Prenatal diagnosis and management of ductus arteriosus aneurysm is discussed.

Case

Our patient was referred to our clinic with fetal growth restriction at 39 weeks gestation. During a routine fetal cardiac scan, we found the ductus arteriosus to be larger than normal diameter. Right heart function was normal and there was no tricuspid regurgitation. Postnatal cardiac evaluation was normal. Follow-up was uneventful and the ductus arteriosus closed within 3 days.

Discussion

Ductus arteriosus aneurysm is usually diagnosed in the third trimester. Ductus arteriosus aneurysms resolve spontaneously; however, a small group of infants present with complications such as connective tissue disorders, thromboembolism, compression of surrounding thoracic structures, and life-threatening spontaneous rupture requiring surgical correction.

Conclusion

Ductus arteriosus aneurysm is a rare cardiac anomaly. When a ductus arteriosus aneurysm is diagnosed, the function of the right heart needs to be assessed. After birth, the ductus arteriosus must be assessed for premature closure.

Keywords

Aneurysm, ductus arteriosus, ultrasound

1. Tseng JJ, Jan SL. Fetal echocardiographic diagnosis of isolated ductus arteriosus aneurysm: a longitudinal study from 32 weeks of gestation to term. Ultrasound Obstet Gynecol. 2005;26:50-56.

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