A prenatal diagnosis of right atrial isomerism is often inferred through the recognition of a constellation of cardiac anomalies on the four-chamber view or by the detection of visceral heterotaxy and asplenia. However, the actual occurrence of discordance between the arrangement of the atria and thoracic and abdominal organs makes the identification of the morphology of both atrial appendages the only reliable way to make a final diagnosis of atrial isomerism. Three cases of right atrial isomerism with visceral heterotaxy and a complex cardiac defect, diagnosed in utero by cross-sectional and colour flow Doppler echocardiography, are reported. In all the patients, the right atrial isomerism was associated with an atrioventricular septal defect, a single aortic outlet from the right ventricle, and total anomalous venous return. The diagnosis of right atrial isomerism, always confirmed by neonatal re-evaluation and/or by post-mortem examination, was made through identifying two pyramidal atrial appendages in an echocardiographic transverse plane at the level of the atria and of the origin of the great arteries. This report demonstrates that a final intrauterine diagnosis of atrial isomerism is possible, whatever the visceral situs is.

PRENATAL ECHOCARDIOGRAPHIC DIAGNOSIS OF RIGHT ATRIAL ISOMERISM / Colloridi, Vincenzo; F., Pizzuto; Ventriglia, Flavia; Giancotti, Antonella; Pachi', Antonio; Gallo, Pietro. - In: PRENATAL DIAGNOSIS. - ISSN 0197-3851. - 14:4(1994), pp. 299-302. [10.1002/pd.1970140410]

PRENATAL ECHOCARDIOGRAPHIC DIAGNOSIS OF RIGHT ATRIAL ISOMERISM

COLLORIDI, Vincenzo;VENTRIGLIA, Flavia;GIANCOTTI, Antonella;PACHI', Antonio;GALLO, Pietro
1994

Abstract

A prenatal diagnosis of right atrial isomerism is often inferred through the recognition of a constellation of cardiac anomalies on the four-chamber view or by the detection of visceral heterotaxy and asplenia. However, the actual occurrence of discordance between the arrangement of the atria and thoracic and abdominal organs makes the identification of the morphology of both atrial appendages the only reliable way to make a final diagnosis of atrial isomerism. Three cases of right atrial isomerism with visceral heterotaxy and a complex cardiac defect, diagnosed in utero by cross-sectional and colour flow Doppler echocardiography, are reported. In all the patients, the right atrial isomerism was associated with an atrioventricular septal defect, a single aortic outlet from the right ventricle, and total anomalous venous return. The diagnosis of right atrial isomerism, always confirmed by neonatal re-evaluation and/or by post-mortem examination, was made through identifying two pyramidal atrial appendages in an echocardiographic transverse plane at the level of the atria and of the origin of the great arteries. This report demonstrates that a final intrauterine diagnosis of atrial isomerism is possible, whatever the visceral situs is.
1994
atrial isomerism; fetal echocardiography; heterotaxy
01 Pubblicazione su rivista::01a Articolo in rivista
PRENATAL ECHOCARDIOGRAPHIC DIAGNOSIS OF RIGHT ATRIAL ISOMERISM / Colloridi, Vincenzo; F., Pizzuto; Ventriglia, Flavia; Giancotti, Antonella; Pachi', Antonio; Gallo, Pietro. - In: PRENATAL DIAGNOSIS. - ISSN 0197-3851. - 14:4(1994), pp. 299-302. [10.1002/pd.1970140410]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/245486
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