ArticleCardiovascular ultrasound2025
Prenatal diagnosis of pulmonary atresia with intact ventricular septum: a single-center study in China.
Article in Cardiovascular ultrasound, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- CCTA of Pediatric Congenital Right Heart Obstructive Lesions: A Pictorial Review.Diagnostics (Basel, Switzerland) · 2026Review
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7 authors.
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Abstract
objectivesTo evaluate the efficacy of prenatal ultrasound in diagnosing pulmonary atresia with intact ventricular septum (PA/IVS).
methodsThis retrospective study analyzed 48 cases of PA/IVS at the Fujian Maternity and Child Health Hospital between January 2013 and December 2023. Prenatal ultrasound was used to characterize and classify the features of PA/IVS. Pregnancy outcomes were followed up, and the results were compared with post-termination pathological anatomical findings or postnatal imaging. This study aims to enhance the understanding of PA/IVS and improve the accuracy of its prenatal diagnosis.
resultsAmong the 48 PA/IVS cases, four were diagnosed during early pregnancy and 44 during mid-to-late pregnancy. In the mid-to-late pregnancy group, there were 29 cases of type I (TV-Z scores ranging from - 1.77 to 5.22), 10 cases of type II (TV-Z scores ranging from - 3.50 to -2.06), and five cases of type III (TV-Z scores ranging from - 4.29 to -7.41). The cohort included 41 singleton pregnancies and seven twin pregnancies. Ventriculo-coronary artery communication (VCAC) was observed in 19 cases. Additional abnormalities included Ebstein's anomaly (EA) in three cases, restricted opening of the foramen ovale in one case, increased inner diameter of the foramen ovale in one case, reversal or deepening of the a-wave of the ductus venosus in six cases, and umbilical vein pulsation in one case. Genetic testing (amniocentesis, NIPT, or SNP-array) was performed in 19 cases, with one case revealing a genomic copy number deletion in the q22.3 region of chromosome 21. Pregnancy outcomes included 41 terminations (five with pathologic dissection or vascular casting), five live births, one selective reduction, and one intrauterine death.
conclusionFetal echocardiography is an effective tool for diagnosing PA/IVS. While PA/IVS can be diagnosed in early gestation, it remains diagnostical challenging. Given the progressive nature of PA/IVS in utero, sequential ultrasound examinations during the second and third trimesters are essential for monitoring disease progression and hemodynamic changes. Additionally, a comprehensive evaluation for associated intracardiac and extracardiac anomalies should be systematically conducted throughout the pregnancy.
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