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Published on: May 5, 2018
Antenatal diagnosis of cardiac malformation: a structural study
1School of Education, Bar Ilan University, Ramat Gan, Israel. msaharon@mscc@huji.ac.il
Insights
This study analyzed fetal echocardiograms to understand cardiac segment relationships in congenital heart disease (CHD). Advanced analysis confirmed a link between fetal heart structure and function, supporting heart development theories.
Area of Science:
- Cardiology
- Developmental Biology
- Medical Imaging
Background:
- Congenital heart disease (CHD) presents complex challenges in prenatal diagnosis.
- Understanding the functional and anatomical relationships of cardiac segments is crucial for diagnosing and managing fetal cardiac conditions.
Purpose of the Study:
- To investigate the relationship between cardiac segments in fetuses with suspected congenital heart defects.
- To evaluate the accuracy of fetal echocardiography in diagnosing cardiac abnormalities and segment status.
- To explore the link between cardiac structure and function using advanced data analysis.
Main Methods:
- Fetal echocardiography was performed on 227 fetuses with suspected CHD.
- Hearts were divided into 7 segments, coded as normal (0) or pathological (1).
- Extracardiac morphology and binary segmental data were analyzed using conventional statistics and HUDAP software.
Main Results:
- Fetal echocardiography demonstrated excellent accuracy and predictive values for diagnosing cardiac defects and segment abnormalities.
- HUDAP software revealed a perfect correlation between the functional and pathological states of cardiac segments.
- Multidimensional scaling analysis confirmed theories of heart embryogenesis.
Conclusions:
- Fetal echocardiography is highly accurate for diagnosing congenital heart defects and assessing cardiac segments.
- Advanced data analysis confirms the intricate relationship between cardiac structure and function in fetal CHD.
- The findings support established theories regarding heart development and embryogenesis.
Abstract:
The purpose of this study was to find out the functional and anatomical relationship between the various cardiac segments in congenital heart disease before and after birth. This study of cardiac pathology focused on 227 fetuses referred to fetal echocardiography because of suspicion of congenital heart defects (CHD) from 1986 to 1991. The heart was imaged and classified according to a division into 7 adjacent segments. Normality or abnormality of each segment and of the general state of the subject's heart was coded in a binary mode, in which 0 = normal and 1 = pathological. We also coded the extracardiac morphology, noting existence or absence of another extracardiac defect in the fetus. The binary segmental data were entered into a worksheet for further analysis. Observations were conducted prenatally and verified after birth or abortion. Fetal echocardiography was first assessed using conventional statistical analysis. The calculated accuracy and predictive values to diagnose any cardiac defect as well as for correctly coding abnormal or normal cardiac segments were excellent. Then, using HUDAP software (Hebrew University Data Analysis Package), we could demonstrate a perfect fit between the functional and pathological structure of the cardiac segments in the fetus. Moreover, using this unique type of data analysis, we found a multidimensional scaling confirmation of the embryogenesis theory of the heart.
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