Table 3 Changes of parameters of LA function as evaluated by speckle tracking analyses 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LA peak systolic strain (2 Chamber) | Freeze | 30.67 ± 13.34 | 31.02 ± 9.76 | 31.41 ± 10.27 | 33.32 ± 11.95 | 34.36 ± 11.80 | 35.79 ± 15.54 | 35.74 ± 12.14 | 35.17 ± 12.36 | 38.20 ± 11.56 | 39.88 ± 9.74 | 0.471 |
Freeze 3D | 36.33 ± 13.44 | 30.04 ± 10.54 | 29.92 ± 8.25 | 33.21 ± 11.07 | 34.62 ± 10.87 | 36.65 ± 14.30 | 33.63 ± 11.00 | 33.68 ± 9.81 | 44.14 ± 16.01 | 46.60 ± 15.92 | ||
RF | 35.40 ± 11.80 | 33.14 ± 10.18 | 33.53 ± 9.45 | 34.93 ± 11.99 | 33.72 ± 9.88 | 36.21 ± 10.86 | 35.72 ± 10.47 | 37.83 ± 11.66 | 37.24 ± 8.57 | 42.58 ± 16.32 | ||
p for time | — | 0.005 | 0.021 | 0.990 | 0.998 | 0.797 | 1.000 | 1.000 | 0.603 | 0.005 | ||
LA peak systolic strain (4 Chamber) | Freeze | 29.57 ± 10.87 | 28.48 ± 10.17 | 32.85 ± 9.25 | 33.00 ± 11.44 | 31.40 ± 9.81 | 34.77 ± 16.41 | 34.70 ± 11.16 | 35.28 ± 12.49 | 38.47 ± 9.34 | 35.75 ± 7.30 | 0.548 |
Freeze 3D | 36.93 ± 13.36 | 30.60 ± 11.91 | 30.64 ± 10.85 | 32.32 ± 11.24 | 34.67 ± 12.96 | 34.14 ± 12.52 | 32.17 ± 12.22 | 34.58 ± 9.36 | 44.43 ± 10.75 | 40.60 ± 7.57 | ||
RF | 34.82 ± 13.15 | 31.72 ± 10.45 | 31.82 ± 8.32 | 33.13 ± 11.77 | 32.67 ± 9.65 | 33.35 ± 10.80 | 34.76 ± 9.21 | 35.60 ± 10.54 | 36.39 ± 9.65 | 38.92 ± 17.03 | ||
p for time | — | <0.001 | 0.049 | 0.479 | 0.514 | 0.969 | 0.999 | 1.000 | 0.608 | 0.574 | ||
LA peak diastolic strain (2 Chamber) | Freeze | 1.62 ± 0.74 | 1.49 ± 0.53 | 1.63 ± 0.58 | 1.63 ± 0.60 | 1.54 ± 0.47 | 1.82 ± 0.65 | 1.79 ± 0.64 | 1.78 ± 0.59 | 1.78 ± 0.55 | 1.84 ± 0.43 | 0.567 |
Freeze 3D | 1.76 ± 0.78 | 1.50 ± 0.51 | 1.48 ± 0.41 | 1.71 ± 0.55 | 1.71 ± 0.49 | 1.77 ± 0.71 | 1.68 ± 0.90 | 1.68 ± 0.69 | 1.87 ± 0.48 | 2.08 ± 1.23 | ||
RF | 1.70 ± 0.56 | 1.56 ± 0.54 | 1.65 ± 0.66 | 1.55 ± 0.68 | 1.60 ± 0.46 | 1.84 ± 0.70 | 1.73 ± 0.59 | 1.77 ± 0.56 | 1.79 ± 0.44 | 1.99 ± 0.70 | ||
p for time | — | 0.040 | 0.534 | 0.215 | 0.389 | 0.999 | 1.000 | 0.992 | 0.883 | 1.000 | ||
LA peak diastolic strain (4 Chamber) | Freeze | 1.59 ± 0.84 | 1.48 ± 0.47 | 1.61 ± 0.46 | 1.51 ± 0.52 | 1.44 ± 0.43 | 1.78 ± 1.02 | 1.64 ± 0.53 | 1.63 ± 0.41 | 1.92 ± 0.54 | 1.76 ± 0.43 | 0.183 |
Freeze 3D | 1.78 ± 0.64 | 1.66 ± 0.65 | 1.50 ± 0.54 | 1.59 ± 0.54 | 1.63 ± 0.80 | 1.80 ± 0.99 | 1.60 ± 0.67 | 1.75 ± 0.68 | 1.87 ± 0.55 | 2.06 ± 0.78 | ||
RF | 1.66 ± 0.61 | 1.53 ± 0.61 | 1.49 ± 0.50 | 1.67 ± 0.62 | 1.53 ± 0.46 | 1.61 ± 0.49 | 1.66 ± 0.53 | 1.72 ± 0.55 | 1.77 ± 0.41 | 1.92 ± 0.71 | ||
p for time | — | 0.038 | 0.466 | 1.000 | 0.97 | 1.000 | 0.998 | 1.000 | 0.987 | 0.928 | ||
LA peak early diastolic strain rate (2 Chamber) | Freeze | −1.81 ± 0.74 | −1.77 ± 0.54 | −1.67 ± 0.74 | −1.81 ± 0.84 | −1.87 ± 0.98 | −2.00 ± 1.05 | −1.87 ± 0.72 | −2.09 ± 1.26 | −1.89 ± 0.65 | −2.09 ± 0.64 | 0.366 |
Freeze 3D | −1.77 ± 1.00 | −1.62 ± 0.66 | −1.65 ± 0.71 | −1.74 ± 0.74 | −2.16 ± 2.95 | −1.88 ± 0.86 | −1.64 ± 0.66 | −1.70 ± 0.74 | −1.50 ± 2.08 | −2.30 ± 1.12 | ||
RF | −1.98 ± 0.78 | −1.86 ± 0.69 | −1.84 ± 0.68 | −1.90 ± 0.86 | −1.86 ± 0.72 | −1.97 ± 0.85 | −1.91 ± 0.96 | −2.07 ± 1.00 | −2.04 ± 0.77 | −2.37 ± 1.20 | ||
p for time | — | 0.041 | 0.228 | 0.924 | 1.000 | 1.000 | 0.911 | 1.000 | 0.984 | 0.587 | ||
LA peak early diastolic strain rate (4 Chamber) | Freeze | −1.90 ± 0.75 | −1.66 ± 0.48 | −1.87 ± 0.63 | −1.85 ± 0.75 | −1.85 ± 0.70 | −2.08 ± 1.15 | −1.86 ± 0.71 | −1.97 ± 0.83 | −2.05 ± 0.60 | −1.86 ± 0.62 | 0.092 |
Freeze 3D | −1.83 ± 0.69 | −1.71 ± 0.84 | −1.72 ± 0.73 | −1.72 ± 0.70 | −1.87 ± 0.76 | −1.90 ± 0.83 | −1.63 ± 0.66 | −1.68 ± 0.76 | −1.74 ± 1.35 | −2.08 ± 0.48 | ||
RF | −2.05 ± 0.90 | −1.82 ± 0.87 | −1.88 ± 0.78 | −1.86 ± 0.73 | −1.91 ± 0.73 | −1.87 ± 0.81 | −1.98 ± 0.78 | −2.07 ± 0.81 | −2.12 ± 0.94 | −2.34 ± 1.14 | ||
p for time | — | < 0.001 | 0.158 | 0.043 | 0.272 | 0.784 | 0.101 | 0.955 | 0.831 | 1.000 | ||
LA peak late diastolic strain rate (2 Chamber) | Freeze | −2.53 ± 1.29 | −2.13 ± 0.89 | −2.18 ± 0.84 | −2.07 ± 1.10 | −2.25 ± 0.92 | −2.38 ± 1.06 | −2.25 ± 0.89 | −2.14 ± 0.76 | −2.56 ± 1.08 | −2.41 ± 0.65 | 0.380 |
Freeze 3D | −2.74 ± 1.00 | −2.13 ± 0.65 | −2.05 ± 0.61 | −2.22 ± 0.84 | −2.21 ± 0.85 | −2.14 ± 1.86 | −2.40 ± 0.62 | −2.39 ± 0.80 | −3.10 ± 1.39 | −2.78 ± 0.88 | ||
RF | −2.67 ± 1.02 | −2.15 ± 0.71 | −2.24 ± 0.77 | −2.24 ± 0.87 | −2.24 ± 0.80 | −2.55 ± 1.00 | −2.49 ± 0.86 | −2.39 ± 0.78 | −2.41 ± 0.49 | −2.77 ± 1.09 | ||
p for time | <0.001 | <0.001 | <0.001 | <0.001 | 0.002 | 0.006 | <0.001 | 0.153 | 0.299 | |||
LA peak late diastolic strain rate (4 Chamber) | Freeze | −2.12 ± 0.90 | −1.80 ± 0.92 | −1.92 ± 0.62 | −1.94 ± 0.69 | −1.85 ± 0.65 | −2.05 ± 1.35 | −2.09 ± 1.20 | −2.03 ± 0.84 | −2.29 ± 0.74 | −2.30 ± 0.52 | 0.569 |
Freeze 3D | −2.59 ± 1.10 | −1.98 ± 0.79 | −1.96 ± 0.79 | −2.03 ± 0.78 | −2.01 ± 0.63 | −2.02 ± 0.84 | −1.96 ± 1.14 | −2.26 ± 0.56 | −2.64 ± 0.30 | −2.22 ± 0.31 | ||
RF | −2.30 ± 0.89 | −1.91 ± 0.74 | −1.96 ± 0.66 | −2.03 ± 0.76 | −2.00 ± 0.67 | −2.09 ± 0.99 | −2.27 ± 0.80 | −2.20 ± 0.71 | −2.22 ± 0.76 | −2.43 ± 1.16 | ||
p for time | 0.029 | 0.087 | 0.171 | 0.130 | 0.432 | 0.030 | 0.909 | 1.000 | 1.000 |
