Table 2 Echocardiographic parameters assessed in awake patients measured the day before MitraClip positioning and at discharge from hospital
From: Non invasive evaluation of cardiomechanics in patients undergoing MitraClip procedure
Before MitraClip procedure (T0) | After MitraClip procedure (T1) | p | |
|---|---|---|---|
MV regurgitation Jet area (cm2) | 11,8 | 6,3 | P < 0,0001 |
8,3 to 14,575 | 4,7 to 8 | ||
Vena contracta (cm) | 0,8 | 0,4 | P < 0,0001 |
0,65 to 0,9 | 0,3 to 0,42 | ||
Left atrial volume (ml) | 110,5 | 93,5 | P < 0,0001 |
88 to 122 | 66 to 105 | ||
Estimated Systolic Pulmonary Pressure (mmhg) | 45 | 37,5 | P = 0,0002 |
35 to 50 | 30 to 45 | ||
Ejection Fraction (%) | 37 | 35 | P = 0,035 |
30,25 to 43,125 | 31,9 to 47,25 | ||
Mean Transmitralic Gradient (mmHg) | 2,95 | 3 | P = 0,15 |
2 to 4 | 3 to 4 | ||
End Systolic Volume (ml) | 106 | 97 | P = 0,001 |
55,5 to 129,75 | 40,75 to 120,5 | ||
End Diastolic Volume (ml) | 159,5 | 151 | P < 0,0001 |
113 to 197 | 89 to 180 | ||
Forward stroke volume (ml) | 60,3 | 78 | P = 0,05 |
49,85 to 73,1 | 54,5 to 86 | ||
Arterial elastance (mmhg/ml) | 1,225 | 1,22 | P = 0,30 |
0,937 to 1,44 | 0,794 to 1,44 | ||
End Ejection Systolic Elastance (SB) (mmHg/ml) | 1,43 | 1,46 | P = 0,37 |
1,286 to 1,82 | 1,02 to 1,75 | ||
Ventriculo-Arterial Coupling (Ea/Es) | 0,765 | 0,765 | P = 0,67 |
0,654 to 0,839 | 0,689 to 0,839 |