Table 3.
Before CCM Implantation | At Last Follow‐up | P Value | |
---|---|---|---|
NYHA class | 2.9 ± 0.4 | 2.1 ± 0.7 | <0.0001 |
MLWHFQ score | 50.2 ± 23.7 | 29.6 ± 22.8 | <0.0001 |
LVEF, % | 24.4 ± 8.1 | 30.9 ± 9.6 | 0.002 |
LVEDD, mm | 66.6 ± 7.1 | 64.4 ± 6.5 | 0.087 |
LVESD, mm | 59.2 ± 7.2 | 54.8 ± 7.3 | 0.012 |
LVEDV, mL | 230.0 ± 49.2 | 207.8 ± 65.0 | 0.029 |
LVESV, mL | 175.8 ± 46.1 | 147.2 ± 60.1 | 0.011 |
QRS duration, ms | 108.9 ± 19.4 | 110.0 ± 22.0 | 0.663 |
NT‐proBNP, pg/mL | 2882.7 ± 5456.6 | 2460.7 ± 7575.6 | 0.561 |
Cr, mg/dL | 1.37 ± 0.83 | 1.32 ± 0.51 | 0.278 |
Paroxysmal AF events, % | 5 | 15 | 0.163 |
Abbreviations: AF, atrial fibrillation; CCM, cardiac contractility modulation; Cr, creatinine; LVEDD, left ventricular end‐diastolic diameter; LVEDV, left ventricular end‐diastolic volume; LVEF, left ventricular ejection fraction; LVESD, left ventricular end‐systolic diameter; LVESV, left ventricular end‐systolic volume; MLWHFQ, Minnesota Living With Heart Failure Questionnaire; NT‐proBNP, N‐terminal pro brain natriuretic peptide; NYHA, New York Heart Association; SD, standard deviation.
Data are presented as mean ± SD unless otherwise noted.