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![loading](/sites/all/modules/hf_eds/images/loading.gif)
Evaluation of fetal heart geometry during pregnancy by three‐dimensional ultrasound using the STIC rendering mode.
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![loading](/sites/all/modules/hf_eds/images/loading.gif)
- Author(s): Bezerra, Marilim Souza; Tedesco, Giselle Darahem; Barros, Fernanda Silveira Bello; Rolo, Liliam Cristine; Nardozza, Luciano Marcondes Machado; Pares, David Baptista Silva; Martins, Wellington P.; Araujo Júnior, Edward
- Source:
Echocardiography. Apr2018, Vol. 35 Issue 4, p494-500. 7p. - Source:
- Additional Information
- Subject Terms:
- Abstract: Objective: To determine fetal heart geometry during pregnancy using three‐dimensional (3D) ultrasound and the spatiotemporal image correlation (STIC) rendering mode. Methods: This prospective, cross‐sectional study evaluated 250 normal singleton pregnancies from 20 to 33 weeks and 6 days of gestation. STIC rendering was used to calculate the eight angles of the fetal heart: apex, base, mitral valve, tricuspid valve, left ventricle, right ventricle, left atrium, and right atrium angles. The concordance correlation coefficient (CCC) was used for intra‐ and inter‐observer tests. Results: The average ± SD maternal age was 31.7 ± 4.9 years, and the average gestational age was 26.3 ± 4.2 weeks. There was little variation in fetal heart angles using STIC rendering according to the gestational age, with determination coefficient (
R 2) values of 0.01 for the apex and mitral valve angles and <0.01 for the base, tricuspid valve, left ventricle, right ventricle, left atrium, and right atrium angles. Moderate/good intra‐ and inter‐observer concordance was observed for the measurement of fetal heart angles using STIC rendering, and the obtained CCC varied from 0.74 to 0.93. Conclusion: The fetal heart geometry did not present significant variations during pregnancy using 3D ultrasound and the STIC rendering mode. [ABSTRACT FROM AUTHOR]
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