Strategies for diagnosis of fetal right atrium dilation: based on fetal cardiac anatomy and hemodynamics

BMC Medical Imaging

Table 1 The clinical relevance of fetuses with right atrium dilatation in our case series

Diagnosis	GW		Associated cardiac anomaly	Outcome
Diagnosis	19–31	32–36	Associated cardiac anomaly	TOP	IFUD	NNA
Physiological	52	150	TR (101)	0	0	202
Volume overload
R-FO	3	48	HLHS (9); PV-S (5)^a; TR (21)	9	0	42
Tricuspid dysplasia	28	15	VSD (3); PE (14); TR (43)	2	0	41
Ebstein’s anomaly	13	3	PV-S (4)^a; PV-A(3)^b; VSD(4); TCA(2); PE(2); TR(16)	5	0	11
Tricuspid atresia	9	0	VSD (5); PV-S (5)^a; HRHS(7); PE(3)	6	0	3
TAPVC	16	3	VSD (5); PLSVC (3)	2	1	16
Galen aneurysm	2	2	Ascites (4); SUA (2)	0	0	4
Pressure overload
Pulmonary stenosis	32	12	VSD (8); PE (6); PLSVC (2); TR (35)	2	0	42
Pulmonary atresia	13	0	VSD (5); DORV (2); HRHS (4); PE (2); TR (8)	4	0	9
Ductus closure	2	7	VSD (3); RAA (2); PE (3); TR(9)	2	0	7
Ductus contraction	3	7	TR (10)	0	0	10

DORV double outlet right ventricle, GW gestational weeks, HLHS hypoplastic left heart syndrome, HRHS hypoplastic right heart syndrome, IFUD intrauterine fetal death, NNA neonatal alive, PE pericardial effusion, PLSVC persistent left superior vena cava, PV-A pulmonary valve atresia, PV-S pulmonary valve stenosis, RAA right aortic arch, R-FO restrictive foramen ovale, TAPVC total anomalous pulmonary venous connection, TCA truncus arteriosus, TOP termination of pregnancy, TR tricuspid regurgitation, VSD ventricular septal defect
^aCases not repeatedly recorded in the pulmonary valve stenosis group
^b Cases not repeatedly recorded in the pulmonary valve atresia group

ISSN: 1471-2342