TABLE 2.
Preoperative echocardiographic characteristics.
| DORV patients with UVP |
DORV patients with BVR |
Average values |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | All | UVP | BVR | |
| Ventricular volumes and sizes | ||||||||||||
| Left ventricle | ||||||||||||
| LVEDV (ml) | 8.0 | 8.0 | 7.0 | 15.0 | 15.0 | 7.0 | 8.0 | 16.0 | 14.0 | 10.9 | 9.5 | 12 |
| LVEDV Z-score | –3.3 | –2.9 | –4.1 | –0.9 | –1.6 | –3.3 | –3.0 | –2.3 | –1.0 | –2.5 | –2.8 | –2.2 |
| LVEDD (cm) | 17.0 | 19.0 | 19.0 | 21.0 | 22.0 | 17.0 | 20.0 | 24.0 | 22.0 | 20.1 | 19 | 21 |
| LVEDD Z-score | –4.5 | –3.1 | –4.6 | –2.1 | –2.2 | –3.9 | –2.7 | –2.5 | –1.5 | –2.9 | –3.6 | –2.6 |
| LV area (cm2) | 3.9 | 3.6 | 5.5 | 5.6 | 5.1 | 3.5 | 3.5 | 4.1 | 4.4 | 4.4 | 4.7 | 4.1 |
| LV area Z-score | –2.1 | –1.9 | –1.7 | 0.6 | –0.7 | –2.0 | –2.1 | –2.7 | –0.7 | –1.5 | –1.3 | –1.6 |
| Right ventricle | ||||||||||||
| RV length 4CV (mm) | 40.0 | 35.0 | 40.0 | 25.0 | 39.0 | 38.0 | 38.0 | 43.0 | 40.0 | 37.6 | 35 | 39.6 |
| RV length Z-score | 1.4 | 0.7 | –0.1 | –2.7 | 1.2 | 1.5 | 1.5 | 0.9 | 2.3 | 0.8 | –0.2 | 1.5 |
| RV end-diastolic area (cm2) | 8.0 | 7.5 | 8.2 | 3.9 | 7.9 | 6.9 | 6.2 | 9.6 | 7.5 | 7.3 | 6.9 | 7.6 |
| RV end-diastolic area Z-score | 2.3 | 2.6 | 0.8 | –1.1 | 2.3 | 2.2 | 1.5 | 2.0 | 2.9 | 1.7 | 1.1 | 2.2 |
| VSD size | ||||||||||||
| Diameter (mm) | 13.0 | 13.0 | 16.0 | 12.0 | 17.0 | 11.0 | 22.0 | 15.0 | 8.0 | 14.1 | 13.5 | 14.6 |
| Geometric measurements MV annulus | ||||||||||||
| Diameter 4CV (mm) | * | 13.0 | 13.0 | 14.0 | 14.0 | 11.0 | 13.0 | 15.0 | 14.0 | 13.2 | 13.0 | 13.4 |
| Diameter 4CV Z-score | * | –0.8 | –2.5 | 0.1 | –1.3 | –2.2 | –0.8 | –1.1 | 0.2 | –1.2 | –1.3 | –1.1 |
| Diameter PLAX (mm) | * | 11.0 | 12.0 | 13.0 | 15.0 | 10.0 | 10.0 | 14.0 | 14.0 | 12.8 | 13 | 12.6 |
| Diameter PLAX Z-score | * | –2.4 | –3.2 | –1.0 | –0.3 | –3.0 | –3.0 | –1.9 | –0.1 | –1.6 | –1.6 | –1.7 |
| Geometric measurements TV annulus | ||||||||||||
| Diameter 4CV (mm) | * | 16.0 | 16.0 | 10.0 | 17.0 | 15.0 | 17.0 | 21.0 | 17.0 | 16 | 14.3 | 17.5 |
| Diameter 4CV Z-score | * | 0.6 | –1.0 | –2.6 | 0.6 | 0.1 | 1.1 | 1.4 | 1.4 | 0.1 | –0.9 | 0.9 |
| Diameter PLAX (mm) | * | 16.0 | 15.0 | 13.0 | 15.0 | 13.0 | 16.0 | 23.0 | 16.0 | 16.2 | 15.8 | 16.6 |
| Diameter PLAX Z-Score | * | 0.6 | –1.5 | –1.0 | –0.4 | –1.1 | 0.6 | 2.4 | 0.9 | 0.2 | –0.1 | 0.5 |
*In this patient AVSD was present and therefore no separate MV/TV annulus measurements could be performed. 4CV, 4-chamber view; BVR, Biventricular repair; DORV, Double outlet right ventricle; LV, Left ventricular; LVEDD, Left ventricular end-diastolic diameter; LVEDV, Left ventricular end-diastolic volume; MV, Mitral valve; PLAX, Parasternal long axis view; RV, Right ventricular; TV, Tricuspid valve; UVP, Univentricular palliation; VSD, Ventricular septal defect.