Table 2 Clinical and echocardiographic data at 1-year follow-up
One year follow-up data | Compared with preoperative data | Two-way ANOVA | ||||
|---|---|---|---|---|---|---|
TAP (n = 124) | Non –TAP (n = 46) | P value | TAP (n = 124) | Non –TAP (n = 46) | Interaction | |
NYHA functional class III-IV | 21 (17%) | 1 (2%) | 0.009 | < 0.001 | < 0.001 | – |
Atrial fibrillation | 54 (44%) | 11 (24%) | 0.02 | < 0.001 | 0.13 | – |
Echocardiographic data | ||||||
TR grade | ||||||
None to trace | 76 (61%) | 11 (24%) | < 0.001 | < 0.001 | 0.18 | – |
Mild | 33 (27%) | 24 (52%) | 0.002 | 0.67 | 0.35 | – |
Moderate | 14 (11%) | 10 (22%) | 0.09 | < 0.001 | 0.002 | – |
Severe | 1 (1%) | 1 (2%) | 0.47 | < 0.001 | 1.00 | – |
LV end-diastolic volume, ml | 102.0 (85.3, 112.0) | 104.0 (90.5, 116.0) | 0.42 | 0.06 | 0.54 | 0.76 |
LV ejection fraction, % | 60.0 (58.0, 63.0) | 61.0 (58.0, 62.3) | 0.33 | 0.67 | 0.003 | 0.03 |
Left atrial volume, ml | 86.9 (66.4, 114.0) | 83.8 (57.8, 106.5) | 0.15 | < 0.001 | < 0.001 | 0.63 |
Right atrial volume, ml | 38.4 (31.7, 52.0) | 38.6 (29.5, 44.6) | 0.20 | < 0.001 | 0.08 | < 0.001 |
Pulmonary artery systolic pressure, mmHg | 24.3 (20.7, 29.8) | 24.7 (21.2, 28.1) | 0.81 | < 0.001 | < 0.001 | < 0.001 |
RV inlet dimension, mm | 35.7 (32.9, 38.5) | 35.8 (33.1, 37.3) | 0.52 | 0.13 | 0.006 | 0.13 |
TAPSE, mm | 12.3 (9.4, 14.3) | 13.3 (11.2, 15.5) | 0.03 | 0.42 | 0.06 | 0.27 |
RV fractional area change, % | 42.3 (37.5, 46.6) | 42.8 (38.4, 47.9) | 0.35 | 0.005 | 0.16 | 0.44 |
Tissue Doppler of the tricuspid annulus, cm/s | 8.6 (7.6, 9.4) | 8.5 (7.9, 9.5) | 0.77 | < 0.001 | < 0.001 | 0.24 |
RV end-diastolic volume, ml | 44.5 (36.8, 51.4) | 48.0 (42.9, 57.4) | 0.01 | < 0.001 | < 0.001 | < 0.001 |
RV ejection fraction, % | 38.1 (34.5, 42.0) | 38.6 (34.3, 42.4) | 0.72 | < 0.001 | 0.001 | < 0.001 |
RVLS of free wall, % | −18.2 (−19.8, −15.9) | −19.2 (−20.7, −15.7) | 0.32 | < 0.001 | < 0.001 | < 0.001 |
RVLS of septal wall, % | −12.1 (− 15.8, −10.6) | −11.4 (−13.5, −8.9) | 0.06 | < 0.001 | 0.14 | < 0.001 |