TABLE 2.
Demographic and clinical characteristics of empirical and non-empirical superior vena cava (SVC) isolation groups.
| Empirical SVC isolation (n = 29) | Non-empirical SVC isolation (n = 30) | p-value | |
| Age (years) | 61.5 ± 9.2 | 60.1 ± 13.2 | 0.642 |
| Male n (%) | 19 (65.5) | 15 (50.0) | 0.228 |
| BMI (kg/m2) | 24.8 ± 2.1 | 26.9 ± 3.0 | 0.003 |
| Persistent AF n (%) | 9 (31.0) | 12 (40.0) | 0.472 |
| AF history duration (years) | 6.9 ± 4.0 | 6.0 ± 4.4 | 0.435 |
| Time to recurrence (years) | 2.5 ± 1.9 | 1.9 ± 1.6 | 0.213 |
| Co-morbidity | |||
| Hypertension n (%) | 11 (37.9) | 17 (56.7) | 0.150 |
| Diabetes n (%) | 1 (3.4) | 7 (23.3) | 0.026 |
| CHD n (%) | 2 (6.9) | 4 (13.3) | 0.413 |
| CHA2DS2-VASc | 1.2 ± 1.1 | 1.9 ± 1.6 | 0.043 |
| HASBLED | 0.9 ± 0.8 | 1.2 ± 1.0 | 0.113 |
| Echocardiogram | |||
| LAD (mm) | 38.6 ± 4.9 | 41.0 ± 5.8 | 0.106 |
| LVDd (mm) | 46.9 ± 3.2 | 48.3 ± 6.1 | 0.297 |
| LVEF (%) | 63.6 ± 3.0 | 62.0 ± 5.4 | 0.170 |
AF, atrial fibrillation; BMI, body mass index; CHD, coronary heart disease; LAD, left atrial dimeter; LVDd, left ventricular diastolic dimeter; LVEF, left ventricular ejection fraction; PV, pulmonary vein; SVC, superior vena cava.