Can Prenatal Diagnosis of Total Anomalous Pulmonary Venous Return (TAPVR) Using Routine Fetal Ultrasound be Improved? A Case-Control Study
Table 1
Differences in mid-trimester ultrasound characteristics between cases and controls, expressed as frequencies (in %) or means (with standard deviations).
Ultrasound marker
Cases (n = 21)
Controls (n = 84)
value
Confluence behind LA
6.8%
8.3%
0.825
No PV to LA seen
42.9%
44.0%
0.936
Abn coronary sinus
4.8%
2.4%
0.535
Abn Coumadin ridge
38.1%
20.2%
0.086
L : R disproportion
9.5%
2.4%
0.115
Abn 3VV spacing
9.5%
6.7%
0.613
Post-LA space
0.41 (SD 0.14)
0.31 (SD 0.09)
0.0001
Ao diameter
0.38 (SD 0.11)
0.32 (SD 0.08)
0.006
Post-LA index
1.19 (SD 0.61)
1.01 (SD 0.35)
0.081
Index >1.27
28.6%
17.9%
0.228
Legend. LA = left atrium. Abn = abnormal; L : R = left/right; 3VV = 3 vessel view; Ao = aorta.
