Table 4.
Postoperative Echocardiographic Characteristics of Patients Who Underwent TA
| Variable | No Residual PHT (n=78) | Mild Residual PHT (n=43) | Significant Residual PHT (n=16) | P Value |
|---|---|---|---|---|
| LV parameters | ||||
| LV end‐diastolic volume, mL | 86.6±27.3 | 78.2±27.1 | 92.8±50.0 | 0.20 |
| LV end‐systolic volume, mL | 36.9±19.2 | 34.7±18.3 | 41.8±40.3 | 0.56 |
| LV ejection fraction (%) | 59.2±8.8 | 57.1±10.5 | 57.2±11.0 | 0.46 |
| RV parameters | ||||
| RV basal diameter, cm | 3.5±0.6 | 3.6±0.6 | 4.0±0.6a | 0.02b |
| RV midcavity diameter, cm | 2.7±0.5 | 2.7±0.5 | 3.0±0.6 | 0.10 |
| RV longitudinal diameter, cm | 5.6±0.9 | 5.8±0.9 | 5.7±0.7 | 0.58 |
| RV spherical index | 4.3±0.9 | 4.2±1.0 | 4.3±0.7 | 0.92 |
| RV end‐diastolic area, cm2 | 13.5±3.6 | 14.2±3.7 | 16.3±5.2a | 0.03b |
| RV end‐systolic area, cm2 | 7.3±2.5 | 7.4±2.2 | 9.2±3.4a | 0.03b |
| RV fractional area change (%) | 46.0±8.3 | 48.0±7.3 | 43.6±8.1 | 0.15 |
| TV deformations | ||||
| TV annulus diameter, cm | 2.7±0.5 | 2.8±0.5 | 3.0±0.6 | <0.05b |
| TV tethering area, cm2 | 0.67±0.21 | 0.78±0.27 | 0.93±0.40a | <0.01b |
| PASP, mm Hg | 22.4±10.2 | 40.8±4.4a | 57.6±5.3a, c | <0.01b |
| TR degree, n (%) | ||||
| Mild‐moderate TR | 78 (100) | 43 (100) | 15 (93.8) | 0.02b |
| Severe TR | 0 (0) | 0 (0) | 1 (6.2) | |
Values are the mean±SD or n (%). LV indicates left ventricular; PASP, pulmonary artery systolic pressure; PHT, pulmonary hypertension; RV, right ventricular; TA, tricuspid annuloplasty; TR, tricuspid regurgitation; TV, tricuspid valve.
a
P<0.05 compared with no residual PHT group.
b
P<0.05 by One‐way ANOVA among three groups.
c
P<0.05 compared with mild residual PHT group.