Table 2 Changes of parameters of LA function as evaluated by conventional echocardiography following the ablation procedures.
Variables | Groups | Baseline | 1 week | 2 weeks | 3 weeks | 4 weeks | 2 months | 3 months | 6 months | 9 months | 12 months | p for groups |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Peak A-wave velocity (cm/s) | Freeze | 74.62 ± 20.33 | 66.54 ± 19.10 | 72.51 ± 22.30 | 68.37 ± 20.34 | 69.76 ± 22.65 | 70.23 ± 23.53 | 75.23 ± 20.94 | 73.55 ± 18.46 | 77.00 ± 17.20 | 77.33 ± 17.64 | 0.220 |
Freeze 3D | 82.12 ± 21.48 | 71.98 ± 22.66 | 73.17 ± 25.54 | 74.13 ± 19.54 | 70.43 ± 19.87 | 75.57 ± 19.30 | 74.85 ± 21.16 | 72.50 ± 22.56 | 64.00 ± 16.46 | 61.40 ± 10.26 | ||
RF | 73.37 ± 19.97 | 65.99 ± 17.31 | 67.84 ± 17.62 | 69.76 ± 21.14 | 67.96 ± 19.34 | 68.88 ± 20.48 | 68.67 ± 20.04 | 71.02 ± 19.16 | 70.20 ± 18.46 | 70.58 ± 15.70 | ||
p for time | — | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.006 | 0.002 | 0.061 | 0.961 | ||
Peak E-wave velocity (cm/s) | Freeze | 69.50 ± 21.80 | 74.07 ± 22.71 | 74.26 ± 21.81 | 70.83 ± 18.28 | 69.92 ± 18.60 | 74.50 ± 23.27 | 75.51 ± 20.37 | 73.95 ± 19.32 | 71.95 ± 26.08 | 75.61 ± 17.31 | 0.237 |
Freeze 3D | 67.72 ± 19.82 | 64.14 ± 18.12 | 72.69 ± 21.93 | 68.64 ± 18.49 | 70.88 ± 25.10 | 71.43 ± 22.79 | 62.05 ± 15.22 | 69.16 ± 22.17 | 56.57 ± 8.52 | 60.00 ± 7.52 | ||
RF | 68.86 ± 18.98 | 72.61 ± 19.21 | 70.59 ± 21.46 | 69.78 ± 18.55 | 70.62 ± 21.79 | 69.90 ± 20.90 | 68.81 ± 19.69 | 70.93 ± 17.43 | 69.95 ± 18.23 | 70.11 ± 17.20 | ||
p for time | — | 0.518 | 0.222 | 0.986 | 0.887 | 0.211 | 0.928 | 0.501 | 0.999 | 0.164 | ||
LAEF (%) | Freeze | 48.26 ± 17.50 | 48.70 ± 13.70 | 52.22 ± 13.68 | 54.06 ± 12.20 | 52.52 ± 15.21 | 54.41 ± 14.76 | 55.54 ± 15.63 | 57.19 ± 12.98 | 58.28 ± 8.16 | 60.69 ± 7.52 | 0.131 |
Freeze 3D | 58.21 ± 14.78 | 52.75 ± 11.73 | 56.00 ± 12.05 | 55.28 ± 12.64 | 58.48 ± 11.21 | 57.95 ± 12.33 | 57.18 ± 11.25 | 57.47 ± 8.44 | 62.14 ± 8.67 | 60.50 ± 8.54 | ||
RF | 53.42 ± 13.90 | 51.51 ± 11.76 | 53.51 ± 11.62 | 53.49 ± 10.51 | 53.24 ± 12.91 | 54.43 ± 12.20 | 55.34 ± 11.05 | 54.06 ± 13.27 | 54.39 ± 10.22 | 55.62 ± 13.25 | ||
p for time | — | 0.124 | 1.000 | 0.99 | 0.898 | 0.567 | 0.162 | 0.178 | 0.304 | 0.112 | ||
LA anteroposterior dimension (mm) | Freeze | 35.80 ± 4.42 | 36.11 ± 3.46 | 35.65 ± 3.53 | 36.04 ± 3.79 | 35.76 ± 3.46 | 35.28 ± 3.28 | 35.91 ± 3.11 | 36.27 ± 3.49 | 34.60 ± 2.19 | 35.35 ± 5.11 | 0.608 |
Freeze 3D | 34.52 ± 4.25 | 35.53 ± 4.48 | 35.66 ± 4.16 | 35.69 ± 4.47 | 35.49 ± 4.19 | 35.41 ± 4.47 | 35.79 ± 4.76 | 36.58 ± 4.87 | 33.50 ± 3.89 | 33.60 ± 3.29 | ||
RF | 35.67 ± 5.05 | 36.58 ± 4.73 | 36.06 ± 4.17 | 35.81 ± 4.42 | 35.39 ± 4.17 | 35.31 ± 4.29 | 35.44 ± 4.57 | 35.19 ± 3.95 | 34.55 ± 3.49 | 35.58 ± 6.92 | ||
p for time | — | 0.620 | 0.870 | 0.283 | 0.940 | 0.997 | 1.000 | 0.973 | 1.000 | 1.000 | ||
LA transverse dimension (mm) | Freeze | 40.87 ± 6.93 | 38.67 ± 4.86 | 38.25 ± 6.48 | 39.00 ± 4.88 | 37.98 ± 5.03 | 37.57 ± 3.81 | 38.73 ± 3.79 | 37.26 ± 4.32 | 36.70 ± 2.79 | 36.56 ± 3.48 | 0.209 |
Freeze 3D | 35.31 ± 3.71 | 36.62 ± 3.74 | 36.71 ± 3.30 | 36.77 ± 4.46 | 38.13 ± 6.98 | 37.24 ± 4.03 | 37.65 ± 5.16 | 38.53 ± 4.29 | 36.86 ± 2.61 | 37.80 ± 2.39 | ||
RF | 38.66 ± 7.80 | 39.88 ± 8.09 | 39.11 ± 4.93 | 38.35 ± 4.56 | 38.65 ± 5.26 | 38.27 ± 4.61 | 37.81 ± 5.18 | 37.43 ± 3.48 | 37.24 ± 4.09 | 37.57 ± 6.12 | ||
p for time | — | 1.000 | 0.984 | 0.866 | 1.000 | 0.444 | 0.834 | 0.233 | 0.325 | 0.505 | ||
LA vertical dimension (mm) | Freeze | 55.63 ± 7.65 | 55.57 ± 6.20 | 56.49 ± 6.44 | 56.48 ± 6.87 | 56.18 ± 6.31 | 56.68 ± 6.25 | 56.48 ± 6.20 | 56.44 ± 5.32 | 54.00 ± 3.24 | 55.39 ± 5.01 | 0.369 |
Freeze 3D | 53.63 ± 5.62 | 54.67 ± 6.12 | 54.80 ± 5.99 | 54.36 ± 6.75 | 54.06 ± 7.56 | 53.95 ± 6.25 | 53.85 ± 6.40 | 54.47 ± 5.72 | 50.43 ± 5.06 | 54.40 ± 7.50 | ||
RF | 53.72 ± 6.44 | 54.82 ± 5.88 | 54.43 ± 5.13 | 54.30 ± 5.93 | 53.71 ± 5.91 | 52.30 ± 6.25 | 52.87 ± 5.79 | 53.31 ± 6.17 | 52.50 ± 5.50 | 52.61 ± 6.49 | ||
p for time | — | 0.411 | 0.318 | 0.455 | 1.000 | 0.999 | 0.975 | 1.000 | 0.986 | 1.000 |
