Table 2.
Preoperative Echocardiographic Parameters in Patients Undergoing 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 | 111.9±52.2 | 99.8±41.3 | 101.2±34.9 | 0.36 |
| LV end‐systolic volume, mL | 53.8±29.9 | 45.8±22.7 | 47.8±21.6 | 0.27 |
| LV ejection fraction (%) | 51.4±13.0 | 54.9±9.8 | 53.4±10.2 | 0.30 |
| RV parameters | ||||
| RV basal diameter, cm | 3.9±0.9 | 4.2±0.9 | 4.5±0.9a | 0.02b |
| RV midcavity diameter, cm | 3.0±0.8 | 3.4±0.8 | 3.7±0.7a | <0.01b |
| RV longitudinal diameter, cm | 5.8±1.1 | 6.1±1.0 | 6.0±1.0 | 0.52 |
| RV spherical index | 4.6±1.1 | 4.9±1.2 | 4.9±0.9 | 0.27 |
| RV end‐diastolic area, cm2 | 17.2±6.5 | 18.3±5.3 | 19.9±6.1 | 0.25 |
| RV end‐systolic area, cm2 | 10.9±4.6 | 10.9±3.9 | 12.3±3.7 | 0.48 |
| RV fractional area change (%) | 36.4±12.1 | 40.5±12.8 | 37.5±11.0 | 0.23 |
| TV deformations | ||||
| TV annulus diameter, cm | 3.4±0.7 | 3.7±0.6 | 4.2±0.7a, c | <0.01b |
| TV tethering area, cm2 | 1.0±0.5 | 1.2±0.5 | 1.4±0.4 | 0.05 |
| PASP, mm Hg | 49.5±14.8 | 46.9±11.8 | 53.1±7.8 | 0.26 |
| TR degree, n (%) | ||||
| Mild‐moderate TR | 61 (78.2) | 18 (41.9)a | 7 (43.8)a | <0.01b |
| Severe TR | 17 (21.8) | 25 (58.1)a | 9 (56.2)a | |
Values are 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.