Table 2.
Hemodynamic and echocardiographic parameters
| Variable | HCM (n = 27) | Control (n = 31) | P-value |
|---|---|---|---|
| Resting HR (beats/min) | 70 ± 10 | 69 ± 11 | 0.621 |
| Stress HR (beats/min) | 110 ± 19 | 118 ± 16 | 0.086 |
| Resting SBP (mmHg) | 123 ± 13 | 124 ± 19 | 0.955 |
| Stress SBP (mmHg) | 160 ± 25 | 156 ± 30 | 0.615 |
| LAD (mm) | 34.4 ± 4.8 | 31.3 ± 3.9 | <0.01 |
| LAA (cm2) | 18.6 ± 3.6 | 16.0 ± 2.8 | <0.01 |
| IVS (mm) | 15.6 ± 4.0 | 8.6 ± 1.3 | <0.001 |
| LVPW (mm) | 9.7 ± 2.2 | 8.3 ± 1.2 | <0.01 |
| LVEDD (mm) | 43.7 ± 5.9 | 44.5 ± 6.2 | 0.644 |
| LVESD (mm) | 25.8 ± 5.5 | 27.0 ± 4.9 | 0.407 |
| LVEF (%) | 71.3 ± 8.8 | 69.4 ± 6.2 | 0.340 |
| LVMI (g/m2) | 126.5 ± 31.7 | 78.3 ± 21.7 | <0.001 |
| Baseline E (m/s) | 0.61 ± 0.16 | 0.72 ± 0.15 | <0.05 |
| Stress E (m/s) | 0.88 ± 0.20 | 0.93 ± 0.20 | 0.356 |
| Baseline A (m/s) | 0.68 ± 0.13 | 0.70 ± 0.13 | 0.581 |
| Stress A (m/s) | 0.99 ± 0.20 | 1.04 ± 0.22 | 0.318 |
| Baseline E/A | 0.92 ± 0.29 | 1.06 ± 0.29 | 0.070 |
| Stress E/A | 0.90 ± 0.17 | 0.91 ± 0.22 | 0.840 |
| Baseline Smlateral | 9.1 ± 2.3 | 9.7 ± 2.0 | 0.262 |
| Stress Smlateral | 14.3 ± 4.1 | 16.3 ± 3.0 | <0.05 |
| Baseline Emlateral | 8.1 ± 2.6 | 11.3 ± 2.3 | <0.001 |
| Stress Emlateral | 10.3 ± 3.2 | 13.3 ± 2.8 | <0.001 |
HR: heart rate; SBP: systolic blood pressure; LAD: left anterior descending artery; LAA: left atrial appendage; IVS: intraventricular septum; LVPW: posterior wall of the left ventricle; LVEDD: left ventricular end-diastolic dimension; LVESD: left ventricular end-systolic dimension; LVEF: left ventricle ejection fraction; LVMI: left ventricular mass index; E: early diastolic transmitral flow; A: late diastolic transmitral flow; Emlateral: early diastolic lateral mitral annulus velocity.