Table 2.
Hemodynamics and morphologies of the normal tricuspid valve model, the functional tricuspid regurgitation model, and the annular augmentation model using the De-Vega procedure.
| Measurement value | p value | |||||
|---|---|---|---|---|---|---|
| Normal | FTR | De-Vega | Normal vs FTR |
FTR vs De-Vega |
De-Vega vs Normal |
|
| Forward flow mL/beat | 70 ± 6 | 70 ± 13 | 66 ± 7 | 0.5 | 0.2 | 0.1 |
| Backflow mL/beat | 9 ± 3 | 45 ± 9 | 17 ± 4 | < 0.01 | < 0.01 | < 0.01 |
|
RVP mmHg (Systole/ diastole) |
26.3 ± 1.2/ 3.4 ± 0.8 [Mean]11.0 |
35.8 ± 2.1/ 11.2 ± 1.0 [Mean]19.4 |
31.8 ± 1.8/ 8.8 ± 0.2 [Mean]16.4 |
< 0.01 | < 0.01 | < 0.01 |
|
PAP mmHg (Systole/ diastole) |
19.7 ± 1.1/ 9.3 ± 0.4 [Mean]12.8 |
27.7 ± 1.2/ 20.5 ± 0.3 [Mean]22.9 |
20.9 ± 0.4/ 12.7 ± 0.8 [Mean]15.4 |
< 0.01 | < 0.01 | < 0.01 |
| Percentage of backflow to forward flow % | 13.2 ± 1.5 | 65.4 ± 7.4 | 25.1 ± 5.5 | < 0.01 | < 0.01 | < 0.01 |
| Jet flow area cm2 | 3.5 ± 1.2 | 15.8 ± 2.3 | 8.8 ± 3.5 | < 0.01 | < 0.01 | < 0.01 |
| Annular circumference mm | 115.7 ± 5.5 | 133.1 ± 8.2 | 111.5 ± 8.3 | < 0.01 | < 0.01 | 0.07 |
| Coaptation height mm | 17.7 ± 1.3 | 6.6 ± 1.0 | 12.8 ± 1.9 | < 0.01 | < 0.01 | < 0.01 |
| Tethering height mm | 2.2 ± 1.7 | 7.2 ± 1.5 | 5.2 ± 2.1 | < 0.01 | 0.04 | < 0.01 |
FTR functional tricuspid regurgitation, RVP right ventricle pressure, PAP pulmonary artery pressure.