Prenatal Sonographic Features of a Double Aortic Arch

Abstract

A double aortic arch is a relatively uncommon anomaly occasionally associated with congenital heart disease or the chromosome 22q11 deletion. We report a case of prenatal diagnosis of a double aortic arch in which the sonographic features in the 3-vessel and trachea view are highlighted. A PubMed-based search was made to retrieve all cases of prenatal diagnosis of double aortic arch. A total of 13 articles and 35 cases were found. The average gestational age at diagnosis was 29 weeks. Six cases had associated cardiac anomalies. Only 1 case had the 22q11 deletion, showing extracardiac anomalies without cardiac defect. The postnatal evolution was characterized by symptoms of tracheoesophageal compression in 72.4% of the cases. Detection of a double aortic arch should be followed by a thorough fetal scan and echocardiography, and a chromosomal study should be considered when the sonographic findings are consistent with the 22q11 deletion.

Prenatal echocardiographic assessment of right aortic arch

“…We found that fetuses with a RAA forming a CVR have a low likelihood of CHD, with associated CHDs usually being minor, although conotruncal anomalies have been associated previously with RAA/LPDA/ALSA. Conversely, fetuses with a RAA not forming a CVR had a higher rate of associated complex CHD, most frequently a conotruncal anomaly. In our series, all cases with RAA/LADA/MI and one‐third of those with RAA/RDA/MI were associated with conotruncal CHD, which is consistent with both fetal and autopsy reports.…”

“…We found that fetuses with a RAA forming a CVR have a low likelihood of CHD, with associated CHDs usually being minor, although conotruncal anomalies have been associated previously with RAA/LPDA/ALSA. Conversely, fetuses with a RAA not forming a CVR had a higher rate of associated complex CHD, most frequently a conotruncal anomaly.…”

“…We found that fetuses with a RAA forming a CVR have a low likelihood of CHD, with associated CHDs usually being minor 2,7,23,27 , although conotruncal anomalies have been associated previously with RAA/LPDA/ALSA 7 .…”

“…Conversely, fetuses with a RAA not forming a CVR had a higher rate of associated complex CHD, most frequently a conotruncal anomaly 2,7,23,27 . In our series, all cases with RAA/LADA/MI and one-third of those with RAA/RDA/MI were associated with conotruncal CHD, which is consistent with both fetal 14,23 and autopsy 22 reports.…”

Вплив Пренатального Діагнозу Судинного Кільця На Перинатальне Ведення Та Лікувальну Тактику

“…З розвитком пренатальної діагностики в нашому Центрі покращилася діагностика всіх ВВС, зокрема так званих дрібних аномалій, у тому числі й аномалій судин, таких як СК. Значним поштовхом до покращення пренатальної діагностики в 2011 році стало введення як обов'язкових проекцій трьох судин і трахеї, дуги аорти по довгій осі та високого поперекового зрізу черевної порожнини для визначення положення черевного відділу аорти [1][2][3][4]. Діагностика СК є важливою: хоча ця ВВС і вкрай рідко призводить до смерті, проте тривале не-діагностоване стиснення трахеї та стравоходу може спричинити інвалідизацію пацієнтів [5][6][7].…”