Table 3.
The baseline and followed right heart echocardiographic parameters of patients with non-reserved and reserved right ventricular (RV) function post mitral valve (MV) repair.
| Variables | RV non-reserved (RV strain declined) N = 23 | RV reserved (RV strain improved) N = 85 | p value |
|---|---|---|---|
| RV | |||
| TR VC (baseline) (cm) | 0.4 ± 0.1 | 0.4 ± 0.2 | 0.77 |
| TR VC (post 1M) (cm) | 0.52 ± 0.24 | 0.59 ± 0.13 | 0.12 |
| TR VC (post 6M) (cm) | 0.39 ± 0.25 | 0.33 ± 0.16 | 0.07 |
| TR VC change (baseline to 1M) (cm) | 0.08 ± 0.32 | 0.19 ± 0.27 | 0.12 |
| RVSP (baseline) (mmHg) | 27.3 ± 14.7 | 34.9 ± 21.3 | 0.23 |
| RVSP (post 1M) (mmHg) | 21.57 ± 9.73 | 23.2 ± 9.23 | 0.65 |
| RVSP (post 6M) (mmHg) | 20.62 ± 8.7 | 23.02 ± 9.17 | 0.57 |
| RVSP change (baseline to 1M) (mmHg) | −7.95 ± 15.98 | −12.19 ± 17.33 | 0.53 |
| PVR (baseline) (woods) | 3.1 ± 0.7 | 3.4 ± 2.7 | 0.12 |
| PVR (post 1M) (woods) | 3.2 ± 0.77 | 4.08 ± 5.7 | 0.36 |
| PVR (post 6M) (woods) | 2.01 ± 0.37 | 1.93 ± 0.66 | 0.83 |
| PVR change (baseline to 1M) (woods) | 0.07 ± 1.04 | 0.6 ± 2.02 | 0.57 |
| FAC (baseline) (%) | 47.7 ± 9.9 | 40.4 ± 16.3 | 0.13 |
| FAC (post 1M) (%) | 47.1 ± 10.6 | 47.1 ± 10.2 | 0.98 |
| FAC (post 6M) (%) | 47.1 ± 12.6 | 43.9 ± 15 | 0.66 |
| FAC change (baseline to 1M) (%) | 18.1 ± 0.6 | 11.1 ± 19.1 | 0.22 |
| TAPSE (baseline) (cm) | 18.1 ± 4.7 | 18.2 ± 6.8 | 0.64 |
| TAPSE (post 1M) (cm) | 18.8 ± 5.8 | 20.7 ± 4.3 | 0.8 |
| TAPSE (post 6M) (cm) | 18.2 ± 6.8 | 22.8 ± 4.2 | 0.05 |
| TAPSE change (baseline to 1M) (cm) | 0.4 ± 2.1 | 2.7 ± 6.6 | 0.04 |
| S′ (baseline) (cm/s) | 13.2 ± 3.4 | 12.8 ± 3.1 | 0.69 |
| S′ (post 1M) (cm/s) | 10.3 ± 1.9 | 11.1 ± 2.4 | 0.37 |
| S′ (post 6M) (cm/s) | 10.5 ± 2.2 | 11.9 ± 3.1 | 0.3 |
| S′ change (baseline to 1M) (cm/s) | −3.3 ± 3.2 | −1.5 ± 2.8 | 0.12 |
| RV strain (baseline) (%) | −17.2 ± 5.3 | −15.1 ± 8.1 | 0.05 |
| RV strain (post 1M) (%) | −16.8 ± 4.3 | −20.1 ± 3.7 | 0.08 |
| RV strain (post 6M) (%) | −18.2 ± 2.8 | −22.9 ± 3.8 | 0.34 |
| RV strain change (baseline to 1M) (%) | 2.1 ± 3.5 | −5.6 ± 6.4 | 0.001 |
TR VC : tricuspid regurgitation vena contracta; RVSP: right ventricular systolic pressure; FAC: fractional area change; TAPSE: tricuspid annular plane systolic excursion; S′: systolic tricuspid annular velocity.