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英文誌(2004-)

Journal of Medical Ultrasonics

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cover

2016 - Vol.43

Vol.43 No.Supplement

奨励賞演題
奨励賞演題 産婦人科 奨励賞演題 産婦人科

(S526)

HDlive silhouette mode of the fetal heart

ABOELLAIL Mohamed1, SURAPHAN Sajapala1, 石村 球2, MASAOKA Hiroshi3, 秦 利之1

Mohamed ABOELLAIL1, Sajapala SURAPHAN1, Mari ISHIMURA2, Hiroshi MASAOKA3, Toshiyuki HATA1

1Perinatology and Gynecology, Kagawa University Graduate School of Medicine, 2GE Yokogawa Medical Systems, 3Department of Obstetrics and Gynecology, Masaoka Hospital

キーワード :

【Objective】
We present our experience with normal and abnormal fetal cardiac structures reconstructed using the HDlive silhouette mode and spatiotemporal image correlation(STIC).
【Methods】
Twenty-two normal fetuses and one fetus with congenital heart anomaly(Ebstein’s anomaly)at 20-36 weeks of gestation were studied using HDlive silhouette mode with STIC.
【Results】
In normal fetal hearts, the four cardiac chambers and crisscross arrangements of the pulmonary artery and the aorta were clearly recognizeded. The relationships and course of the outflow and inflow tracts were easily visualized. Therefore, the spatial relationships among cardiac chambers and vessels can be understood. Aortic branches and different venous tributaries were also clearly demonstrated. Anatomical landmarks, as the descending aorta and spine were simultaneously displayed in the same scanning plane with the spatial view of fetal heart. The opening and closing of mitral, tricuspid, pulmonary, and aortic valves were ascertained in the en-face view of both atrioventricular valves and great vessels. In the fetus with Ebstein’s anomaly, a low attachment of the tricuspid valve and enlarged right atrium were noted.
【Conclusion】
The HDlive silhouette mode with STIC provides new visual experiences for examiners owing to the anatomically clear depiction of fetal cardiac structures, and it may be an easier way to depict the spatial relationships among fetal cardiac chambers, great arteries, and veins. It might represent an additional screening tool for prenatal detection of fetal cardiac anomalies in the future.