Echocardiographic data
| Patients | Aborted SCA event | No event | |
|---|---|---|---|
| N | 52 | 16 | 36 |
| LVEF, % | 67±10% | 66±11% | 68±10% |
| LEVF<50% | 3 (5.7%) | 1 (6.3%) | 2 (5.5%) |
| LV outflow tract gradient, mm Hg | 20 (0–96) | 13 (0–86) | 31 (0–96) |
| Resting gradient >30 mm Hg | 12 (23.1%) | 2 (12.5%) | 10 (27.8%) |
| LVEDD, mm | 46.5±10 | 47.1±7.3 | 46.1±7.7 |
| Maximal wall thickness, mm | 20±6.6 | 20±6.3 | 20±6.6 |
| Left atrial diameter, mm | 55.0±10.5 | 55.2±11.3 | 55.7±13.7 |
| Moderate or severe MR | 7 (13.4%) | 2 (12.5%) | 5 (13.8%) |
| PASP, mmHg | 35±18.9 | 43.9±21.0 | 31.7±14.3 |
| Mitral E velocity, cm/s | 0.79±0.28 | 0.76±0.32 | 0.84±0.29 |
| Mitral A velocity, cm/s | 0.61±25 | 0.65±0.24 | 0.61±0.26 |
| Mitral E/A ratio, cm/s | 1.43±0.65 | 1.27±0.74 | 1.52±0.60 |
| Medial e’, cm/s | 0.05±0.02 | 0.05±0.02 | 0.06±0.02 |
| Lateral e’, cm/s | 1.25±3.9 | 0.08±0.03 | 1.74±5.7 |
| Medial E/e’ ratio | 15.1±8.7 | 15.0±6.5 | 15.2±8.8 |
| Lateral E/e’ ratio | 12.4±11.4 | 8.8±3.8 | 14.1±14.3 |
Values are median (IQR), n (%), or mean±SD.
A, peak late diastolic velocity; E, peak early diastolic velocity; LVEF, left ventricular ejection fraction; Medial e’ and lateral e’, mitral annular tissue Doppler signals; LVEDD, Left ventricular end diastolic diameter; PASP, pulmonary artery systolic pressure; MR, mitral regurgitation; SCA, sudden cardiac arrest.