Table 1.
Baseline characteristics
| Characteristic | Total N = 99 |
|---|---|
| Male | 75 (74.7) |
| Age (year) | 58.0 ± 8.2 |
| Body mass index (kg/m2) | 25.1 ± 2.5 |
| Type of AF | |
| Paroxysmal | 59 (59.6) |
| Persistent | 40 (40.4) |
| CHA2DS2-VASc score | 1.0 ± 1.1 |
| Score 0–1 | 72 (72.7) |
| Score ≥ 2 | 27 (27.3) |
| Patients with LV EF < 50% | 2 (2.0) |
| History of hypertension | 28 (28.3) |
| History of diabetes | 13 (13.1) |
| Serum creatinine | 1.0 ± 0.9 |
| Creatinine 1.2~1.5 | 7 (7.1) |
| On hemodialysis | 2 (2.0) |
| AF recurrence | 15 |
| Paroxysmal | 5 (8.5) |
| Persistent | 10 (25) |
| Duration of anticoagulation before TEE (days)† | 37 (34, 50) |
| Echocardiographic findings | |
| LV EF (%) | 65.0 ± 6.2 |
| LA volumemax (ml)* | 84.4 ± 26.8 |
| LA volume indexmax (ml/m2)* | 47.2 ± 16.2 |
| Anti-arrhythmics after blanking period | |
| Amiodarone | 20 (20.2) |
| Class Ic | 38 (38.4) |
Values are presented as n (%) or mean ± SD. AF atrial fibrillation, LV left ventricle, EF ejection fraction, TIA transient ischemic attack, LA left atrium, SEC spontaneous echo contrast, TEE transesophageal echocardiography
†Duration of anticoagulation is presented as median (interquartile range)
*Three-dimensionally measured