Table 6. PV ostial area and LA diameter.
| Variables | PAF | non-PAF | ||||
|---|---|---|---|---|---|---|
| No Recurrence | AF Recurrence | P Value | No Recurrence | AF Recurrence | P Value | |
| Patients, n | 28 | 12 | 15 | 8 | ||
| RSPV area, cm2/BSA(m2) | 1.02 ± 0.31 | 1.27 ± 0.24 | 0.104 | 1.08 ± 0.34 | 0.97 ± 0.34 | 0.835 |
| RIPV area, cm2/BSA(m2) | 0.87 ± 0.27 | 1.13 ± 0.30 | 0.039* | 0.94 ± 0.29 | 0.95 ± 0.25 | 0.999 |
| LSPV area, cm2/BSA(m2) | 1.16 ± 0.48 | 1.33 ± 0.41 | 0.544 | 1.11 ± 0.38 | 1.14 ± 0.40 | 0.988 |
| LIPV area, cm2/BSA(m2) | 0.71 ± 0.23 | 0.74 ± 0.19 | 0.976 | 0.69 ± 0.31 | 0.66 ± 0.12 | 0.988 |
| Two RPVs area, cm2/BSA(m2) | 1.89 ± 0.49 | 2.40 ± 0.46 | 0.042* | 2.02 ± 0.53 | 1.92 ± 0.52 | 0.980 |
| Two LPVs area, cm2/BSA(m2) | 1.87 ± 0.60 | 2.07 ± 0.38 | 0.382 | 1.80 ± 0.54 | 1.80 ± 0.46 | 0.999 |
| Two SPVs area, cm2/BSA(m2) | 2.18 ± 0.72 | 2.60 ± 0.59 | 0.104 | 2.19 ± 0.64 | 2.11 ± 0.70 | 0.997 |
| Two IPVs area, cm2/BSA(m2) | 1.58 ± 0.40 | 1.87 ± 0.39 | 0.145 | 1.64 ± 0.38 | 1.61 ± 0.31 | 0.999 |
| Four PVs area, cm2/BSA(m2) | 3.76 ± 0.98 | 4.47 ± 0.75 | 0.022* | 3.82 ± 0.89 | 3.72 ± 0.87 | 0.794 |
| LA diameter | ||||||
| LA longitudinal, mm/BSA(m2) | 33.8 ± 4.8 | 34.3 ± 3.3 | 0.996 | 33.5 ± 5.2 | 35.2 ± 4.6 | 0.917 |
| LA anteroposterior, mm/BSA(m2) | 18.3 ± 3.2 | 19.3 ± 4.5 | 0.995 | 19.0 ± 4.5 | 18.1 ± 3.2 | 0.994 |
| LA top―mitral annulus, mm/BSA(m2) | 28.4 ± 4.1 | 29.8 ± 3.1 | 0.712 | 30.7 ± 4.3 | 29.8 ± 2.9 | 0.955 |
| LA transverse, mm/BSA(m2) | 29.6 ± 3.5 | 28.8 ± 3.6 | 0.971 | 31.8 ± 4.1 | 34.3 ± 6.7 | 0.955 |
Data are mean ± SD.
* significant difference
AF, atrial fibrillation; BSA, body surface area; Four PVs, RSPV+RIPV+LSPV+LIPV; LA, left atrium; LIPV, left inferior PV; LSPV, left superior PV; non-PAF, non-paroxysmal atrial fibrillation; PAF, paroxysmal atrial fibrillation; PV, pulmonary vein; RIPV, right inferior PV; RSPV, right superior PV; Two IPVs, RIPV+LIPV; Two LPVs, LSPV+LIPV; Two RPVs, RSPV+RIPV; Two SPVs, RSPV+LSPV