Abstract
This paper aims at investigating the clinical significance and diagnostic value of fetal echocardiography in the detection of echogenic intracavitary foci (EIF). Then, it analyzed the ultrasonic features of the intensive echocardiography from June 2016 to June 2017, which were found in 535 mid-term (20-26 weeks) fetuses, and performed the echocardiographic follow-up during the third trimester and after birth. As a result, in 535 fetuses, 502 cases of late pregnancy (35~40 weeks) showed that the echo in the intracardiac hyperechogenic focus declined or disappeared. The intracardiac echo foci still existed in 33 cases after birth, which disappeared in 3~6 months. Finally, it is concluded that fetal intracerebral echogenic lesions are mostly transient ultrasonography with favorable prognosis.
Highlights
Prenatal ultrasound examination is one of the essential auxiliary examinations for detecting fetal abnormalities
Among the 535 fetuses, 489 (91.4%) were located in the left ventricle, and most of the echogenic intracavitary foci (EIF) were in the papillary muscles and chordate; 20 cases (3.7%) were located in the right ventricle (17 of them were in the right ventricular bundle and 3 in the right ventricular apex); 26 cases (4.9%) were located in bilateral ventricles
Many research scholars at home and abroad have conducted a comprehensive observation of the causes, but the reason for the occurrence of ventricular echogenic lesions is still not clear [4]. It has been declared in the literature that the detection rate of ElF in normal pregnant women is 2% to 5% [5]
Summary
Prenatal ultrasound examination is one of the essential auxiliary examinations for detecting fetal abnormalities. With the continuous improvement of ultrasound instruments and the development of examination techniques, the detection rate of fetal echogenic intracavitary foci (EFI) is increasing [1,2]. The significance of its existence still nags clinicians and it brings many mental burdens to pregnant women and their families. Echocardiography was used to detect and assess the risk of fetal ElF, and its significance in clinical detection of fetal developmental abnormalities was discussed
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