Table 2.
Measurements of right ventricular and pulmonary artery by DSCT compared to post-operative pulmonary regurgitation in patients with trans-valve surgery.
| PR (n = 18) | non-PR (n = 23) | Independent t test (p) | Spearman coefficient (r) | |
|---|---|---|---|---|
| Right Ventricle | ||||
| RVLD, mm/m2 | 60.64 ± 15.47 | 72.64 ± 14.95 | 0.004 | −0.457** |
| RVSD, mm/m2 | 34.89 ± 6.50 | 39.48 ± 7.60 | 0.031 | −0.341* |
| RV wall thickness, mm/m2 | 18.61 ± 3.35 | 18.88 ± 3.88 | 0.478 | −0.112 |
| RVOT diameter, mm/m2 | 9.51 ± 3.63 | 10.06 ± 4.52 | 0.958 | 0.008 |
| RVOT length, mm/m2 | 26.50 ± 10.11 | 23.42 ± 9.06 | 0.358 | 0.145 |
| Pulmonary Artery | ||||
| MPA, mm/m2 | 21.88 ± 6.96 | 21.63 ± 7.79 | 0.834 | −0.033 |
| LPA, mm/m2 | 20.96 ± 5.99 | 15.89 ± 5.96 | 0.022 | 0.361** |
| RPA, mm/m2 | 17.88 ± 5.44 | 16.56 ± 4.60 | 0.885 | 0.023 |
| McGoon ratio | 2.16 ± 0.50 | 1.67 ± 0.53 | 0.009 | 0.413** |
| Nakata index, mm2/m2 | 391.29 ± 137.39 | 268.60 ± 77.63 | 0.002 | 0.482** |
Note: Data given as the mean ± SD. RV, Right ventricle; RVLD, right ventricular length diameter; RVSD, right ventricular short diameter; RVOT, right ventricular outflow tract; MPA, main pulmonary artery; LPA, left pulmonary artery; RPA, right pulmonary artery.
*p < 0.05; **p < 0.01.