Table 2.
Possible predictors of CRT super-response
| Reduction > 30% LVESV | Reduction < 30% LVESV | p-value | |
|---|---|---|---|
| Patient characteristics | |||
| Sex M/F (n=20) | 4/8 (n=12) | 4/4 (n=8) | 0.64 |
| Age (years) | 58.67±9.99 | 57.5±7.19 | 0.87 |
| Quality of Life (Minnesota) | 55.50±16.54 | 67.50±19.63 | 0.20 |
| ECG | |||
| QRS Reduction % | 21.16±3.74 | 18.69±4.77 | 0.21 |
| Echocardiogram | |||
| LVEF % | 29.25±3.64 | 26.5±6.67 | 0.38 |
| LVESV (ml) | 145.83±43.35 | 167.00±78.94 | 0.75 |
| LVEDV (ml) | 211.33±54.20 | 229.63±75.19 | 0.75 |
| LVEDD | 66.33±5.10 | 67.67±12.34 | 0.82 |
| LA (mm) | 41.58±3.87 | 43.63±5.65 | 0.45 |
| Myocardial MRI | |||
| LVEF % | 23.42±5.4 | 22.75±6.75 | 0.58 |
| Fibrosis % | 1.61±2.58 | 2.5±6.27 | 0.69 |
| Ventricular stimulation | |||
| Load of ventricular stimulation (%) | 98.25±1.31 | 97.63±3.15 | 0.34 |
LVEF: Left ventricular ejection fraction; LVEDD: left ventricle end-diastolic diameter; LVESV: End-systolic volume; LVEDV: End-diastolic volume; ECG: Electrocardiogram; LA: Left atrium.