Review Article
The Fetal Heart in Twin-to-Twin Transfusion Syndrome
Table 2
Comparison of the cardiac parameters assessed in the different proposed staging systems.
| | Quintero et al. 1999 [8] | Rychik et al. 2007 [21] |
Shah et al. 2008 [48] | Habli et al. 2008 [19] | Stirnemann et al. 2010 [23] | | | “CHOP-score” | “Cardiovascular profile score” | “Cincinatti staging” | |
| Cardiothoracic ratio | |
x |
x | | | Ventricular wall thickness | |
x | |
x | | Shortening fraction | |
x |
x | | | Tei-index right ventricle | | | |
x |
x | Tei-index left ventricle | | | |
x |
x | AV regurgitation | |
x |
x |
x | | AV inflow | |
x | | | | Pulmonary insufficiency | |
x | | | | Outflow tract size | |
x | | | | Ductus venosus |
x |
x |
x |
x | | Umbilical vein |
x |
x |
x |
x | | Hydrops |
x | |
x |
x | | Umbilical artery donor |
x |
x |
x |
x | |
|
|
AV: ventricular valve.
|