Table 3.
Baseline parameters of responders and non-responders.
| Responder (n=6) | Non-responder (n=23) | p-Value | |
|---|---|---|---|
| Age, y | 69±7 | 66±12 | 0.85 |
| Male, n | 4(67%) | 13(56%) | 0.55 |
| Ischemic cardiomyopathy, n | 3(50%) | 5(22%) | 0.14 |
| LBBB, n | 4(67%) | 9(39%) | 0.39 |
| QRS width, ms | 181±22 | 160±41 | 0.21 |
| Paroxysmal AF, n | 1(2%) | 8(35%) | 0.24 |
| Persistent AF, n | 0 | 5(22%) | – |
| Inotropes, n | 3(50%) | 14(61%) | 0.79 |
| Creatinine >1.5 mg/dL, n | 3(50%) | 7(30%) | 0.41 |
| Systolic BP, mmHg | 96±14 | 97±16 | 0.97 |
| LVEF, % | 22±5 | 23±6 | 0.44 |
| LVEDV, mL | 219±66 | 189±78 | 0.38 |
| LVESV, mL | 184±56 | 142±63 | 0.21 |
| MR, degree | 1.5±0.6 | 1.6±0.5 | 0.51 |
| LV dyssynchrony, ms | 341±48 | 206±80 | 0.02 |
| BNP, pg/mL | 714±358 | 1352±823 | 0.06 |
| Sodium, mmol/L | 135±3 | 135±5 | 0.98 |
| Hemoglobin, g/dL | 12.6±1.3 | 10.2±1.8 | 0.07 |
LBBB, left bundle branch block; AF, atrial fibrillation; BP, blood pressure; LVEF, left ventricular ejection fraction; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; MR, mitral regurgiation; BNP, brain natriuretic peptide.