Subgroup | Frequency (percent) | VC changes after lead placement | |
---|---|---|---|
Lead placement type | ICD (single and dual chamber) | 34 (66.6) | – |
PPM (single and dual chamber) | 5 (9.8) | – | |
CRT (CRT-D or CRT-P) | 12 (23.5) | – | |
RV lead tip position | Apex | 44 (86.2) | 0.79 ± 1.11 |
septum | 5 (9.8) | 0.45 ± 0.81 | |
Outflow tract | 2 (3.9) | 1.43 ± 2.26 | |
RV lead curve | Large | 33 (64.7) | 0.99 ± 1.12 |
Medium | 18 (35.3) | 0.38 ± 1.14 | |
RV lead relation to the tricuspid valve ring | Middle | 29 (56.8) | 0.61 ± 1.15 |
Low | 21 (41.2) | 1.02 ± 1.14 | |
High | 1 (1.9) | −2.00 ± 0.00 | |
RV lead mobility state | Mid | 33 (64.7) | 0.62 ± 1.19 |
Low | 12 (23.5) | 0.91 ± 1.07 | |
High | 6 (11.7) | 1.28 ± 0.68 | |
Lead location in 3DECH | Central | 22(37.3) | 0.38 ± 1.03 |
Anterior leaflet | 2 (3.4) | 1.75 ± 0.35 | |
posterior-septal Commissure | 9 (15.3) | 0.04 ± 0.25 | |
Septal leaflet | 8 (13.6) | 1.40 ± 0.89 | |
Posterior leaflet | 5 (8.5) | 2.55 ± 1.23 | |
anterior-posterior Commissure | 5 (8.5) | 0.84 ± 0.83 |