Prenatal diagnosis of anomalous origin of one pulmonary artery branch from the aorta and unilateral absence of pulmonary artery by echocardiography
10.3760/cma.j.issn.1004-4477.2019.09.002
- VernacularTitle: 单侧肺动脉缺如及单侧肺动脉异常起源于升主动脉的产前超声心动图诊断
- Author:
Wenxiu LI
1
;
Bin GENG
1
;
Xuna CHEN
2
;
Jiang WU
1
;
Shuang YANG
1
Author Information
1. Pediatric Cardiovascular Center, Beijing Anzhen Hospital Affiliated to the Capital Medical University, Beijing 100029, China
2. Clinical Laboratory, Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen 518034, China
- Publication Type:Clinical Trail
- Keywords:
Echocardiography;
Fetus;
Unilateral absence of pulmonary artery;
Anomalous origin of one pulmonary artery branch from the aorta
- From:
Chinese Journal of Ultrasonography
2019;28(9):742-747
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To improve the prenatal diagnosis and differential diagnosis ability for anomalous origin of one pulmonary artery branch from the aorta (AOPA) and unilateral absence of pulmonary artery (UAPA) by comparing and analyzing different types of fetal echocardiography features.
Methods:Fetal echocardiographic features were analyzed retrospectively in fetus with prenatal diagnosis of UAPA or AOPA between June 2012 and December 2018, and the different types of fetal echocardiography characteristics and main points of identification were summarized.
Results:A total of 6 fetuses with AOPA and 6 fetuses with UAPA were diagnosed.Among the 6 fetuses with AOPA, 5 cases were anomalous origin of right pulmonary artery from the aorta (AORPA), including 3 cases with isolated AORPA and 2 cases combined with Berry syndrome, and 1 case was anomalous origin of left pulmonary artery from the aorta (AOLPA) with an absent pulmonary valve. All 6 cases of AOPA had proximal form. Among the 6 fetuses with UAPA, 4 cases were isolated unilateral absence of right pulmonary artery, 1 case was isolated unilateral absence of left pulmonary artery and 1 case was unilateral absence of left pulmonary artery combined with tetralogy of Fallot (TOF). The main common characteristic sonographical findings included: there was no confluence at the bifurcation of the main pulmonary artery on multiple views, and the affected pulmonary branch was not attached to the main pulmonary artery. The different characteristic sonographical findings in fetus included: the affected pulmonary artery of AOPA arosed from the right posterior or left posterior portion of the ascending aorta on three vessels and trachea view (3VT) and long axial view of left ventricle, and 3VT and the coronary view of brachiocephalic trunk artery showed that the abnormal origin of pulmonary artery branch of UAPA connected with the root of brachiocephalic trunk artery by the ipsilateral vertical arterial duct (DA), and color Doppler flow imaging showed that the blood flow of the affected pulmonary artery branch was isolated in the pulmonary field.
Conclusions:AOPA and UAPA have many similarities in the characteristics of fetal echocardiography. 3VT and long axial view of left ventricle are the best views for displaying proximal AOPA, 3VT and the coronary views of the root of brachiocephalic trunk artery are the best views for displaying UAPA.
