Impact of the expanded examination of fetal heart to the prenatal diagnosis of congenital heart diseases
Journal Title: Turkish Journal of Obstetrics and Gynecology - Year 2020, Vol 17, Issue 4
Abstract
Objective: In the present study, for which reasons fetal cardiac evaluation was requested from our pediatric cardiology clinic, the effects of routine fetal cardiac evaluation in obstetric ultrasonography (USG) on the detection of congenital heart disease (CHD) and the distribution of intrauterine diagnosis of CHD according to pregnancy risk profiles were retrospectively analyzed. Materials and Methods: Fetal echocardiography reports which containing the nineteen-month period were retrospectively examined. We performed a fetal echocardiography for all pregnant women who were referred to pediatric cardiology clinic after detail obstetric USG screening. The pregnancies were categorized into two groups based on the risk of CHD: Low-risk and high-risk groups. Detected congenital cardiac structural malformations were classified as complex, moderate, and mild according to perinatal mortality risk. Results: Of the 736 pregnancies, 22 were twin, and fetal cardiac evaluation was performed in 758 fetuses. There were 341 (46.3%) pregnancies in the high-risk group and 395 (53.6%) pregnancies in the low-risk group. The most common reason for fetal cardiac evaluation request was inability to adequately visualize the fetal heart (36.1%), while suspected fetal cardiac abnormality was the second most common cause (21.3%). Number of fetuses detected with cardiac abnormalities was 80 (23.5%) among high-risk pregnancies, and 20 (5%) among low-risk pregnancies. The most common type of malformation was simple cardiac abnormalities (6%) followed by complex lesions (4.1%). The most common cardiac abnormality was ventricular septal defect comprised of 18 cases (2.4%) while the most common complex cardiac abnormality was pulmonary atresia (1.2%). The rate of consistency was 40.1% between obstetricians and pediatric cardiologist in terms of the diagnosis of the congenital cardiac malformations. Conclusion: Routine evaluation of the fetal heart by means of obstetric USG, including four chambers, outflow tracts’ and three vessel views, would allow for diagnosing congenital cardiac malformations to a large extent during the intrauterine period.
Authors and Affiliations
Pelin Koşger, Melih Velipaşaoğlu, Tuğçem Keskin, Hikmet Kıztanır, Birsen Uçar
Keywords
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- EP ID EP691680
- DOI 10.4274/tjod.galenos.2020.04127
- Views 168
- Downloads 0
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