Table 2.
Echocardiographic Measurements
| Patients With Significant CAD | Patients Without Significant CAD | P Valuea | |
|---|---|---|---|
| Conventional echocardiographic parameters | |||
| LVEF, % | 64.52±4.93 | 66.58±5.16 | 0.082 |
| FS, % | 34.39±4.15 | 36.10±6.72 | 0.270 |
| LVMI, g/m2 | 92.69±21.24 | 82.02±15.06 | 0.019 |
| DT, ms | 189.03±48.18 | 181.54±32.29 | 0.284 |
| E, m/s | 0.70±0.16 | 0.74±0.15 | 0.063 |
| A, m/s | 0.75±0.13 | 0.70±0.16 | 0.019 |
| E/A | 0.97±0.29 | 1.07±0.31 | 0.013 |
| e′, cm/s | 10.41±2.22 | 11.66±2.80 | 0.003 |
| E/e′ | 6.78±1.40 | 6.42±1.25 | 0.034 |
| Ascending aortic stiffness parameters | |||
| As, cm | 3.47±0.46 | 3.59±0.39 | 0.037 |
| Ad, cm | 3.13±0.39 | 3.16±0.42 | 0.388 |
| D, cm2dyne−110−6 | 3.94±1.43 | 4.52±2.48 | 0.015 |
| β | 5.17± 3.62 | 4.31 ±2.47 | 0.041 |
| Ep, kPa | 68.82±35.72 | 60.93±24.47 | 0.046 |
| Ascending aortic strain | |||
| Global CAAS, % | 7.41±2.30 | 11.54±4.03 | <0.001 |
| Corrected CAAS, %/mm Hg | 0.154±0.046 | 0.202±0.062 | <0.001 |
| Global RAAS, % | −20.58±9.03 | −24.33±13.74 | 0.029 |
A indicates peak transmitral late diastolic inflow velocity; Ad, diastolic ascending aortic diameter; As, systolic ascending aortic diameter; CAAS, circumferential ascending aortic strain; D, aortic distensibility; DT, deceleration time of early diastolic transmitral inflow; E, peak transmitral early diastolic inflow velocity; e′, peak longitudinal early diastolic velocity obtained from the septal and lateral myocardial segment; Ep, pressure‐strain elastic modulus; FS, left ventricular fractional shortening; LVEF, left ventricular ejection fraction; LVMI, left ventricular mass index; RAAS, radial ascending aortic strain; β, stiffness index.
a
Comparison between patients with and without significant CAD.