Table 2: Echocardiographic Findings.
"Inappropriate" LVH | "Appropriate" LVH | p-value | ||
EF (%) | Pre-op | 59 ± 6 | 63 ± 5 | 0.02 |
Post-op | 63 ± 5 | 63 ± 4 | 0.881 | |
Cardiac Output (l) | Pre-op | 4.9 ± 0.8 | 5.6 ± 1.1 | 0.02 |
Post-op | 5.6 ± 1 | 5.0 ± 1 | 0.07 | |
Cardiac Index (l/m2) | Pre-op | 2.9 ± 0.5 | 3.6 ± 0.7 | 0.001 |
Post-op | 3.3 ± 0.6 | 3.1 ± 0.7 | 0.523 | |
Stroke Volume Index (ml/m2) | Pre-op | 42 ± 8 | 52 ± 9 | 0.002 |
Post-op | 52 ± 9 | 48 ± 9 | 0.249 | |
LVEDVI (ml/m2) | Pre-op | 54 ± 12 | 42 ± 8 | < 0.001 |
Post-op | 40 ± 6 | 41 ± 8 | 0.614 | |
LVESVI (ml/m2) | Pre-op | 24 ± 10 | 16 ± 4 | 0.001 |
Post-op | 15 ± 3 | 14 ± 3 | 0.823 | |
LVM (g) | Pre-op | 259 ± 48 | 175 ± 31 | < 0.001 |
Post-op | 177 ± 26 | 148 ± 23 | < 0.001 | |
LVMI (g/h2.7) | Pre-op | 74 ± 16 | 52 ± 8 | < 0.001 |
Post-op | 49 ± 9 | 44 ± 7 | 0.037 | |
LVMI Regression (g/h2.7) | -22 ± 13 | -7 ± 9 | < 0.001 | |
LVMI Regression (%) | -30 ± 11 | -15 ± 14 | < 0.001 | |
Hypertrophy (%) | Pre-op | 100 | 69 | 0.008 |
Post-op | 61 | 33 | 0.08 | |
EOAI (cm2/m2) | Pre-op | 0.38 ± 0.1 | 0.45 ± 0.2 | 0.08 |
Post-op | 1.1 ± 0.3 | 1.1 ± 0.2 | 0.948 | |
Mean Gradient (mmHg) | Pre-op | 52 ± 10 | 53 ± 15 | 0.699 |
Post-op | 7 ± 3 | 6 ± 3 | 0.253 | |
E/E' | Pre-op | 18 ± 4 | 15 ± 7 | 0.05 |
Post-op | 11 ± 4 | 13 ± 5 | 0.213 | |
Zva (mmHg/ml/m2) | Pre-op | 4.7 ± 1.3 | 4.0 ± 1.1 | 0.1 |
Post-op | 3.1 ± 0.7 | 3.3 ± 0.8 | 0.402 | |
SAC (ml/mmHg) | Pre-op | 0.66 ± 0.2 | 0.76 ± 0.3 | 0.18 |
Post-op | 0.76 ± 0.2 | 0.67 ± 0.2 | 0.234 |
EF: Ejection Fraction; LVEDVI: Left Ventricular End Diastolic Volume Index; LVESVI: Left Ventricular End Systolic Volume Index; LVM: Left Ventricular Mass; LVMI: Left Ventricular Mass Index; EOAI: Effective Orifice Area Index; E/E'; Zva; SAC: Sistemic Arterial Compliance.