Table 5.
Echocardiographic outcomes of patients by pacing modality at baseline and follow-up.
| BiV (n = 13) | HBP (n = 25) * | LBBP (n = 10) | |
|---|---|---|---|
| Initial LVEF [%] | 38 (35–40) | 39 (31–46) | 28 (20–43) |
| Follow-up LVEF [%] | 37 (35–41) | 49 (42–58) | 40 (31–44) |
| p value: initial vs. follow-up | 0.916 | <0.001 | 0.041 |
| Initial LVEDVi [mL/m2] | 82 (±17) | 72 (±21) | 89 (±22) |
| Follow-up LVEDVi [mL/m2] | 84 (±19) | 61 (±18) | 81 (±21) |
| p value: initial vs. follow-up | 0.509 | 0.006 | 0.002 |
| Initial LVESVi [mL/m2] | 51 (±12) | 45 (±18) | 63 (±21) |
| Follow-up LVESVi [mL/m2] | 53 (±14) | 32 (±13) | 50 (±18) |
| p value: initial vs. follow-up | 0.551 | <0.001 | 0.004 |
Legend: BiV: biventricular pacing; HBP: His bundle pacing; LBBP: Left bundle branch pacing; LVEF: left ventricular ejection fraction; LVEDVi: left ventricular end-diastolic volume indexed to body surface area; LVESVi: left ventricular end-systolic volume indexed to body surface area. * 2 patients were switched to RV septal pacing during follow-up.