From: Patterns of myocardial fibrosis by CMR in patients with conduction abnormalities
Variable | LBBB (n=22) | RBBB (n-40) | NSCD (n=113) | No Delay (n=523) |
---|---|---|---|---|
LA Volume (ml) | 133 ± 53.5 | 118 ± 63.4 | 121 ± 46.3a | 105 ± 43.7 |
LVEDV (ml) | 231 ± 109b,c,d | 139 ± 59e | 179 ± 71 | 141 ± 60 |
LVESV (ml) | 162 ± 97b,c,d | 65 ± 47 | 93 ± 68a | 64 ± 54 |
LV Myocardial Mass (g) | 176 ± 75 | 154 ± 59 | 177 ± 65a | 146 ± 60 |
LVEF (%) | 35.4 ± 17.6b,c,d | 56.7 ± 14.1 | 52.8 ± 19.8a | 59.1 ± 16.8 |
RVEDV (ml) | 130 ± 60 | 161 ± 79f | 144 ± 53 | 130 ± 60 |
RVESV (ml) | 75 ± 62 | 90 ± 62f | 74 ± 45 | 63 ± 33 |
RVEF (%) | 49.0 ± 18.4 | 47.1 ± 10.8 | 50.7 ± 13.8 | 53.0 ± 12.1 |
Scar Extent (% of LV) | 4.3 ± 7.1 | 5.5 ± 8.7 | 7.7 ± 12.6a | 4.1 ± 9.2 |
Septal Location Fibrosis | 3 (13.6) | 10 (25.0)f | 31 (27.4)a | 35 (6.7) |