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Echocardiographic findings and pregnancy outcomes for fetuses with complete closure of the ductus arteriosus.
Journal of Clinical Ultrasound : JCU 2024 April 26
OBJECTIVE: We aimed to analyze the echocardiographic characteristics and pregnancy outcomes for fetuses with premature complete closure of the fetal ductus arteriosus.
METHODS: A retrospective analysis was performed for eight cases of premature ductus arteriosus closure diagnosed by prenatal ultrasonography in the Hunan Maternal and Child Health Hospital from July 2019 to August 2022, and the characteristics of fetal echocardiography and pregnancy outcomes of the eight cases were analyzed and summarized.
RESULTS: In all cases, the intima of the ductus arteriosus was thickened and occluded, the ductus arteriosus could be seen with slightly hyperechogenic, and no blood flow signal was found in the ductus arteriosus by Doppler ultrasonography. The right heart was enlarged in seven cases, and the whole heart was enlarged in one case. Tricuspid valve regurgitation was observed to different degrees, of which seven cases were severe and one case was moderate. The pulmonary arteries of eight patients had varying degrees of widening. All eight cases were delivered by cesarean section, and one newborn died after follow-up. The prognosis of the other newborns was good.
CONCLUSION: The parameters of prenatal echocardiography are helpful for the prognosis of fetuses with premature closure of the ductus arteriosus. Early prenatal detection, close observation, and clinical guidance can be used to select the right time of delivery.
METHODS: A retrospective analysis was performed for eight cases of premature ductus arteriosus closure diagnosed by prenatal ultrasonography in the Hunan Maternal and Child Health Hospital from July 2019 to August 2022, and the characteristics of fetal echocardiography and pregnancy outcomes of the eight cases were analyzed and summarized.
RESULTS: In all cases, the intima of the ductus arteriosus was thickened and occluded, the ductus arteriosus could be seen with slightly hyperechogenic, and no blood flow signal was found in the ductus arteriosus by Doppler ultrasonography. The right heart was enlarged in seven cases, and the whole heart was enlarged in one case. Tricuspid valve regurgitation was observed to different degrees, of which seven cases were severe and one case was moderate. The pulmonary arteries of eight patients had varying degrees of widening. All eight cases were delivered by cesarean section, and one newborn died after follow-up. The prognosis of the other newborns was good.
CONCLUSION: The parameters of prenatal echocardiography are helpful for the prognosis of fetuses with premature closure of the ductus arteriosus. Early prenatal detection, close observation, and clinical guidance can be used to select the right time of delivery.
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