Table 3.
Baseline echocardiographic parameters according to MAP/RAP ratio before the MitraClip procedure.
| All Patients n = 145 |
MAP/RAP < 7.13 n = 74 |
MAP/RAP ≥ 7.13 n = 71 |
p-value | |
|---|---|---|---|---|
| Vena contracta width mean mm ± SD |
8 ± 1.3 | 8 ± 1.2 | 8 ± 1.4 | 0.98 |
| EROA median cm2 (IQR) |
0.31 (0.24–0.42) | 0.30 (0.23–0.43) | 0.31 (0.25–0.42) | 0.73 |
| Regurgitant volume median ml (IQR) |
48 (37–64) | 45 (33–63) | 50 (38–67) | 0.18 |
| LV-EF mean % ± SD |
35 ± 9.2 | 34 ± 8.5 | 37 ± 9.7 | 0.02 |
| LVEDD mean mm ± SD |
59 ± 9.4 | 59 ± 8.4 | 59 ± 10.4 | 0.66 |
| LVESD mean mm ± SD |
50 ± 11.2 | 52 ± 11.3 | 48 ± 11 | 0.12 |
| RVEDD mean mm ± SD |
39 ± 7.9 | 41 ± 8.6 | 36 ± 6.3 | 0.002 |
| TAPSE mean mm ± SD |
18 ± 4.3 | 17 ± 4.4 | 19 ± 3.9 | 0.008 |
| DTI-S‘ median cm/s (IQR) |
11.0 (9.0–12.0) | 9.0 (7.0–11.75) | 11.0 (9.0–12.5) | 0.048 |
| TR severity grade III° n (%) |
20 (14.2) | 16 (22.2) | 4 (5.8) | 0.001 |
| PaPsyst. mean mmHg ± SD |
53 ± 13.6 | 51 ± 13.1 | 55 ± 14.0 | 0.09 |
DTI-S‘: doppler tissue imaging S‘; EROA: effective regurgitant orifice area; IQR: interquartile range; LVEDD: left ventricular enddiastolic diameter; LV-EF: left ventricular ejection fraction; LVESD: left ventricular endsystolic diameter; PaPsyst.: pulmonary artery systolic pressure; RVEDD: right ventricular enddiastolic diameter; TAPSE: tricuspid annular plane systolic excursion; TR: tricuspid regurgitation.