Table 2 Echocardiographic characteristics the HyperGEN study sample
From: Diastolic wall strain: a simple marker of abnormal cardiac mechanics
Parameter | All patients (N = 1907) |
|---|---|
2D/Doppler echocardiographic parameter | |
LV end-systolic volume, ml* | 48 ± 15 |
LV end-diastolic volume, ml* | 127 ± 27 |
LV ejection fraction, %* | 63 ± 6 |
LV midwall shortening, %* | 17.9 ± 1.8 |
Mitral valve deceleration time, ms | 204 ± 58 |
E/A ratio†, ‡ | 1.59 ± 0.46 |
Isovolumic relaxation time, ms | 80 ± 18 |
Left atrial diameter, cm | 3.4 ± 0.5 |
Interventricular septal wall thickness, cm | 1.3 ± 0.1 |
LV mass index, g/m2 * | 84 ± 19 |
LV hypertrophy, n (%)* | 317 (17) |
Posterior wall thickness at end-systole, cm | 1.37 ± 0.14 |
Posterior wall thickness at end-diastole, cm | 0.85 ± 0.12 |
Diastolic wall strain, % | 0.38 ± 0.05 |
Speckle-tracking echocardiographic parameter | |
Global radial strain, % | 27.0 ± 11.7 |
Global circumferential strain, % | 21.0 ± 5.1 |
Global longitudinal strain, % | 14.8 ± 3.5 |
Septal e’ velocity, cm/s | 7.1 ± 1.8 |
Lateral e’ velocity, cm/s | 10.5 ± 2.1 |
Average e’ velocity, cm/s | 8.8 ± 1.8 |
Septal E/e’ ratio†| 10.6 ± 3.4 |
Lateral E/e’ ratio†| 7.0 ± 1.9 |
Average E/e’ ratio†| 8.7 ± 2.5 |