Citation Information :
Hata T, Koyanagi A, Konishi M, Miyagi Y, Miyake T. Fetal Cardiac Size and Shape Assessed by HDlive Flow with Spatiotemporal Image Correlation at 11–13+6 Weeks of Gestation. Donald School J Ultrasound Obstet Gynecol 2024; 18 (4):323-327.
Objective: To assess fetal cardiac size and shape using HDlive Flow with spatiotemporal image correlation (STIC) at 11–13+6 weeks of gestation.
Materials and methods: During the 4 months from December 2021 to March 2022, HDlive Flow with STIC examinations were performed for 72 normal fetuses at 11–13+6 weeks. The spatial basal-apical length (BAL), transverse length (TL), fetal cardiac circumference (FCC), fetal cardiac area (FCA), and global sphericity index (GSI) were investigated. Reference ranges were also created.
Results: Spatial BAL, TL, FCC, and FCA increased linearly with gestation (r = 0.5762, 0.6746, 0.6543, and 0.6412, respectively, p < 0.001). Spatial GSI (mean, 1.1755; SD, 0.1413) values were gradually decreasing at 11–13+6 weeks of gestation, but this was not significant (r = –0.1735, p = 0.167).
Conclusion: The current results provide basic information to advanced understanding of fetal cardiac growth and development at 11–13+6 weeks of gestation.
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