Table 3.
Comparison between Doppler echocardiographic characteristics between patients with sudden cardiac death and the control group
| Variable | Sudden cardiac death (n = 17) | Control (n = 34) | p value |
|---|---|---|---|
| LVEDD (mm) | 53 ± 7 | 51 ± 6 | 0.52 |
| LVESD (mm) | 36 ± 6 | 35 ± 7 | 0.62 |
| LVMI (g/m2) | 211 ± 66 | 171 ± 45 | 0.014 |
| LVMI (g/m2.7) | 121 ± 43 | 92 ± 24 | 0.003 |
| EF percentage | 67 ± 8 | 67 ± 9 | 0.76 |
| E (cm/s) | 89 ± 27 | 77 ± 23 | 0.12 |
| A (cm/s) | 94 ± 31 | 83 ± 29 | 0.22 |
| E/A | 1.2 ± 0.9 | 1.1 ± 0.7 | 0.66 |
| IVRT (ms) | 117 ± 31 | 103 ± 28 | 0.13 |
| DT (ms) | 174 ± 51 | 198 ± 57 | 0.15 |
| MPI | 0.64 ± 0.1 | 0.53 ± 0.1 | 0.019 |
| DLA (mm) | 38 ± 5 | 37 ± 4 | 0.53 |
| LAVI (ml/m2) | 41 ± 17 | 34 ± 11 | 0.13 |
| LAVI (ml/m alt 2.7) | 12 ± 5.5 | 9 ± 3.3 | 0.032 |
| e’ (cm/s) | 7.1 ± 1 | 7.3 ± 1.8 | 0.57 |
| a’ (cm/s) | 7.8 ± 2.8 | 8.2 ± 2.5 | 0.37 |
| s’ (cm/s) | 10 ± 2.9 | 11 ± 3.1 | 0.58 |
| e’/ a’ | 0.71 ± 0.2 | 0.68 ± 0.2 | 0.53 |
| E/e’ media | 13 ± 5 | 11 ± 5 | 0.30 |
| Valvular calcification (%) | 53 | 29 | 0.13 |
LVEDD: left ventricular end-diastolic diameter (LV); LVESD: LV end-systolic diameter; LVMI: left ventricular mass index; EF: ejection fraction; E: early rapid filling velocity; A: atrial contraction velocity; IVRT: isovolumetric relaxation time; DT: deceleration time; MPI: myocardial performance index; DLA: anteroposterior diameter of the left atrium; LAVI: left atrial volume index; e’: early diastolic velocity of the mitral annulus; a’: late diastolic velocity of the mitral annulus; s’: systolic velocity of the mitral annulus.