Özet:

Background/Aims: Congenital heart disease (CHD) is the main cause of death in infants among congenital anomalies. Fetal echocardiography is important for the diagnosis and treatment plan of congenital heart diseases in the prenatal period. This study aimed to retrospectively screen the follow-up and treatment results of cyanotic CHD patients detected on fetal echocardiography. Methods: Fetal echocardiography results were scanned from the hospital record system. Data of fetuses with major cardiac anomalies and cyanotic CHD were examined retrospectively. Results: Fetal echocardiography was performed on 420 pregnant women between July 2020 and April 2023. Major cardiac anomalies and cyanotic heart disease were detected in the fetuses of 40 pregnant women (9.5%) out of 420. The median age of the pregnant women was 29 (19-41 years). The median gestational age at check-up was 23 weeks (22-28 weeks). 9/40 pregnant women (22.5%) had risk factors. The most common cyanotic congenital heart diseases were hypoplastic left heart syndrome (HLHS) and unbalanced complete atrioventricular septal defects (AVSDs) with obstructive lesions of the right or left ventricle. Three fetuses (7.5%) with heart failure findings died intrauterine. Two fetuses with HLHS and critical aortic stenosis (AS) died before being operated on. A patient with complete AVSD, hypoplasia of the left heart chambers, AS, and severe aortic coarctation died due to sepsis during the post-operative follow-up period. Chromosome analysis was performed in 8 patients. Down syndrome was detected in 3 of the patients with complete AVSD. 22q11 deletion and DiGeorge Syndrome were detected in 2 patients with tetralogy of Fallot. Conclusions: Congenital heart diseases and rhythm problems can be safely detected with fetal echocardiography. It is beneficial to perform a fetal echo scan at the appropriate gestational week, especially in fetuses with risk factors and in whom the four chambers view cannot be seen.

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