Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2025
Prenatal Diagnosis of Fetal Heart Malformation With Abnormal Number of Pulmonary Artery Branches as the Initial Clue.
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Yang Linhua, Yang Zexuan, Zhou Xiaoling, Liu Fengqin, Chen Lin, Zhou Liuying, Chen Dexin
Аннотация
OBJECTIVES: Assess prenatal ultrasound's diagnostic value in fetal cardiac anomalies using an abnormal number of pulmonary artery (PA) branches as an initial clue.
METHODS: Retrospective analysis of 20 fetuses with an abnormal number of PA branches on ultrasound, comparing prenatal ultrasonic findings with postnatal echocardiography, computed tomography (CT), surgery, autopsy, and genetic tests. Summarized ultrasonographic characteristics and occurrence frequencies in 3-vessel trachea (3VT), 3-vessel PA branch, and innominate artery (INA) coronary section.
RESULTS: In total, abnormal PA branches included: 1 branch (15 cases: 7 pulmonary artery sling [PAS], 4 unilateral absence of pulmonary artery [UAPA], 4 anomalous origin of 1 pulmonary artery from ascending aorta [AOPA]); 3 branches (2 cases: 1 isolated left subclavian artery [ILSA], 1 isolated left innominate artery [ILINA], absent right ductus arteriosus); 4 branches (3 cases: 2 ILSA, 1 ILINA, double ductus arteriosus). Associated anomalies: tetralogy of Fallot, persistent left superior vena cava, ventricular septal defect, Berry syndrome, and nasal bone dysplasia. Postnatal confirmations were achieved via autopsy (9 cases), imaging/surgery (10 cases), or lost (1 case). Genetic tests (14 cases) were normal. Detection: 63.2% (3VT section), 100% (3-vessel PA branch section), 57.9% (INA coronary section).
CONCLUSION: The 3VT, 3-vessel PA branch, and INA coronary section are key for the diagnosis of fetal cardiac malformations with abnormal PA branches. The spatiotemporal image correlation with high-definition (STIC-HD) live flow sonography can aid in visualizing the vascular connection linked to these anomalies. Identifying features of 1/3/4 PA branches facilitates a systematic assessment of fetal cardiac defects primarily characterized by aberrant PA branching.
METHODS: Retrospective analysis of 20 fetuses with an abnormal number of PA branches on ultrasound, comparing prenatal ultrasonic findings with postnatal echocardiography, computed tomography (CT), surgery, autopsy, and genetic tests. Summarized ultrasonographic characteristics and occurrence frequencies in 3-vessel trachea (3VT), 3-vessel PA branch, and innominate artery (INA) coronary section.
RESULTS: In total, abnormal PA branches included: 1 branch (15 cases: 7 pulmonary artery sling [PAS], 4 unilateral absence of pulmonary artery [UAPA], 4 anomalous origin of 1 pulmonary artery from ascending aorta [AOPA]); 3 branches (2 cases: 1 isolated left subclavian artery [ILSA], 1 isolated left innominate artery [ILINA], absent right ductus arteriosus); 4 branches (3 cases: 2 ILSA, 1 ILINA, double ductus arteriosus). Associated anomalies: tetralogy of Fallot, persistent left superior vena cava, ventricular septal defect, Berry syndrome, and nasal bone dysplasia. Postnatal confirmations were achieved via autopsy (9 cases), imaging/surgery (10 cases), or lost (1 case). Genetic tests (14 cases) were normal. Detection: 63.2% (3VT section), 100% (3-vessel PA branch section), 57.9% (INA coronary section).
CONCLUSION: The 3VT, 3-vessel PA branch, and INA coronary section are key for the diagnosis of fetal cardiac malformations with abnormal PA branches. The spatiotemporal image correlation with high-definition (STIC-HD) live flow sonography can aid in visualizing the vascular connection linked to these anomalies. Identifying features of 1/3/4 PA branches facilitates a systematic assessment of fetal cardiac defects primarily characterized by aberrant PA branching.