Other factors affecting CRT response
| Other factors | Responders (%) | Non-responders (%) | p Value | |
|---|---|---|---|---|
| Bundle branch block | Left | 13 (93) | 5 (100) | 0.56 |
| CRT device | P only | 5 (36) | 3 (60) | 0.37 |
| Right atrium | ||||
| Lead position | Appendage | 9 (65) | 4 (80) | 0.65 |
| Right ventricle | ||||
| Apex | 14 (100) | 5 (100) | 0.99 | |
| Left ventricle | ||||
| Lateral vein | 10 (72) | 4 (80) | N/A | |
| Middle vein | 1 (7) | 0 (0) | ||
| Posterior vein | 2 (14) | 1 (20) | ||
| Epicardial | 1 (7) | 0 (0) | ||
| Presence of scar | Anterior wall | 4 (29) | 2 (60) | 0.91 |
| Apex | 1 (7) | 0 (0) | ||
| Lateral wall | 1 (7) | 0 (0) | ||
| Inferior wall | 1 (7) | 0 (0) | ||
| Septum | 1 (7) | 1 (20) | ||