Table 5.

Restrictive atrial septum in the fetuses with suspected CoA.

	No RAS	n	RAS	n	p
Fetal cardiac examination
Gestational age (weeks)	35.1 [4.0]	26	38.4 [4.7]	4	0.08
Estimated weight by MR (g)	2,552 [803]	26	3,535 [986]	4	0.2
Fetal growth restriction	3 (12)	26	0 (0)	4	1
Associated cardiac anomalies
L-SVC	2 (8)	26	0 (0)	4	0.7
VSD	6 (23)	26	0 (0)	4	0.6
Mitral valve anomaly	0 (0)	26	1 (25)	4	0.1
Fetal echocardiogram
Retrograde systolic isthmic flow	1 (4)	26	3 (75)	4	0 . 004
Isthmal displacement/DAo diameter	0.00 [0.36]	26	0.47 [1.4]	4	0.09
Fetal CMR
Descending aorta flow
Total flow (ml/kg/min)	268 [94]	24	200 [71]	4	0 . 048
Indexed peak flow (ml/kg/s)	11.5 [3.3]	24	12.5 [3.6]	4	0.6
Indexed minimum flow (ml/kg/s)	1.1 [1.3]	24	−0.3 [2.4]	4	0 . 007
Quotient minimum flow/total flow	0.2 [0.3]	24	−0.1 [0.7]	4	0 . 006
Upslope/net flow (ml/s)	0.033 [0.01]	24	0.04 [0.02]	4	0 . 03
Downslope/net flow (ml/s)	−0.016 [0.01]	24	−0.032 [0.02]	4	0 . 036
Indexed net flow (ml/kg)	1.1 [0.4]	24	0.7 [0.1]	4	0 . 01
Mean max velocity (cm/s)	65.5 [14.7]	24	84.5 [7.4]	4	0 . 009
Mean min velocity (cm/s)	7.8 [5.4]	24	5.03 [12.3]	4	0.1
Mean max–mean min velocity (cm/s)	57.5 [15.5]	24	77.8 [21.5]	4	0 . 01
Umbilical vein flow
Total flow (ml/kg/min)	159 [76]	18	89 [—]	3	0 . 035
DAo/UV flow	1.7 [0.6]	16	2.3 [—]	3	0 . 03
Postpartum outcome
Gestational age (weeks)	39.3 [1.6]	26	40.3 [0.7]	4	0 . 04
Weight (g)	3,237 [658]	26	3,771 [872]	4	0.08
Small for gestational age	3 (12)	26	0 (0)	4	1
Female sex	14 (54)	26	1 (25)	4	0.6

Data are presented as median [IQR] or n (%).

Bold values indicate significant p-values.