Utility of novel echocardiographic measurements to improve prenatal diagnosis of coarctation of the aorta

Author:

Fujisaki Takuya,Ishii Yoichiro,Takahashi Kunihiko,Mori Masayoshi,Matsuo Kumiyo,Asada Dai,Aoki Hisaaki,Tsumura Sanae,Iwai Shigemitsu,Kayatani Futoshi

Abstract

AbstractPrenatal recognition of coarctation of the aorta (CoA) may improve neonatal survival and reduce morbidity. However, prenatal diagnosis of CoA remains challenging, with relatively high false-positive and false-negative rates. This study aimed to identify a novel formula based on fetal echocardiographic measures to predict prenatal identification of CoA. A retrospective comparison on the echocardiographic evaluation of 30 patients with suspected CoA between May 2016 and April 2021 was performed. The patients were divided into a postnatal surgical intervention group (n = 13) and a non-intervention group (n = 17). The measurements that showed significant differences were aortic isthmus diameter Z-score (p < 0.001), ductus arteriosus diameter/aortic isthmus diameter (p < 0.001), and distal aortic arch (DA) index (p < 0.001). In the receiver operating characteristic curves analysis, the DA index was the largest with an area under the curve of 0.941 and a cutoff value of 1.28, with a sensitivity of 85% and a specificity of 94%. Measurement of the DA index improved the diagnostic rate of fetal CoA and a DA index ≧ 1.28 indicated fetal CoA cases requiring surgical intervention.

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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