Table 2 Comparison of pre and post ablation LA characteristics on CMR
Pre-ablation | Post-ablation | p-value | |
|---|---|---|---|
LAV maximum (mL) | 112 ± 36 | 96 ± 30 | 0.003 |
LAV maximum index (mL/m2) | 52 ± 18 | 45 ± 14 | 0.01 |
LAV minimum (mL) | 63 ± 32 | 53 ± 26 | 0.03 |
LAV minimum index (mL/m2) | 29 ± 16 | 25 ± 12 | 0.046 |
LAV pre-A (mL) | 86 ± 35 | 73 ± 27 | 0.007 |
LAV pre-A index (mL/m2) | 40 ± 17 | 34 ± 13 | 0.02 |
LA passive EF (%) | 25 ± 12 | 24 ± 9 | 0.59 |
LA active EF (%) | 29 ± 15 | 27 ± 16 | 0.31 |
LA total EF (%) | 46 ± 15 | 43 ± 15 | 0.25 |
LA expansion index | 95 ± 51 | 88 ± 49 | 0.41 |
LVEF | 60 ± 9 | 57 ± 6 | 0.1 |
LVEDVI (mL/m2) | 86 ± 16 | 90 ± 25 | 0.33 |
LVESVI (mL/m2) | 36 ± 11 | 39 ± 11 | 0.1 |
LV mass (mg) | 97 ± 33 | 88 ± 27 | 0.07 |
RVEF | 53 ± 6 | 51 ± 6 | 0.09 |
RVEDVI (mL/m2) | 94 ± 22 | 93 ± 22 | 0.89 |
RVESVI (mL/m2) | 45 ± 14 | 46 ± 13 | 0.48 |
RA volume (mL) | 143 ± 40 | 132 ± 39 | 0.07 |
RA volume index | 68 ± 19 | 65 ± 19 | 0.32 |
RUPV diameter (mm) | 19.5 ± 3.2 | 16.9 ± 3.8 |  < 0.001 |
RLPV diameter (mm) | 17.9 ± 3.1 | 16.6 ± 3.1 | 0.01 |
LUPV diameter (mm) | 15.2 ± 2.5 | 12.9 ± 3.2 |  < 0.001 |
LLPV diameter (mm) | 13.9 ± 2.1 | 11.7 ± 4.5 | 0.03 |
ℇR | 24.0 ± 10.4 | 19.8 ± 8.1 | 0.005 |
ℇCT | 8.4 ± 0.1 | 5.7 ± 5.3 | 0.001 |
ℇCD | 15.6 ± 7.1 | 13.0 ± 6.3 | 0.02 |