Mitral and Aortic Atresia, Ductus Arteriosus Aneurysm, and Aortic Tortuosity: First- and Second-trimester HDlive Flow Features
Yuichiro Nakai
Citation Information :
Nakai Y. Mitral and Aortic Atresia, Ductus Arteriosus Aneurysm, and Aortic Tortuosity: First- and Second-trimester HDlive Flow Features. Donald School J Ultrasound Obstet Gynecol 2021; 15 (4):414-416.
We present the first- and second-trimester HDlive Flow features of mitral and aortic atresia, ductus arteriosus aneurysm, and aortic tortuosity and kinking. Retrograde aortic flow was evident, and aortic tortuosity and kinking were suspected using HDlive Flow with spatiotemporal image correlation (STIC) at 13 weeks and 6 days of gestation. Mitral and aortic atresia and tricuspid regurgitation were recognized by conventional fetal echocardiography at 20 weeks of gestation. HDlive Flow clearly showed retrograde aortic flow, ductus arteriosus aneurysm, and helical aortic tortuosity and aortic kinking. Congestive heart failure (pericardial effusion, pleural effusion, and ascites) was also evident. Termination of pregnancy was conducted due to the parent's desire to discontinue the pregnancy. There were no apparent phenotypic features of connective-tissue disorder. The parents refused further work-up such as autopsy, chromosomal analysis, and genetic studies of the baby. To the best of our knowledge, this is the first report on aortic tortuosity and kinking of a fetus in the first trimester of pregnancy using HDlive Flow with STIC.
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