Table 1.
Baseline Patient Characteristics (n = 19)
| Age | 61.2 ± 8.6 |
|---|---|
| M/F |
16/3 (84.2/15.8) |
| BMI |
27.6 ± 4.6 |
| Hypertension |
7 (36.8) |
| TIA/CVA |
1 (5.2) |
| Preoperative catheter ablation |
|
| AF |
4 (21.1) |
| Flutter |
5 (26.3) |
| Type of preoperative AF |
|
| Paroxysmal |
5 (26.3) |
| Persistent |
4 (21.1) |
| Long-standing persistent |
10 (52.6) |
| Prevalence of AF (68% CI) |
|
| Paroxysmal |
20.0 (16.8–23.3) |
| Persistent |
34.7 (31.2–38.9) |
| Long-standing persistent |
63.6 (59.9–67.1) |
| EHRA Score |
4 [3–4] |
| Duration of preoperative AF (yrs.) |
5 [3–8.5] |
| Antyarrhythmic Drugs |
|
| Amiodaron |
2 (10.5) |
| Dysopiramide |
1 (5.3) |
| Flecainide |
6 (31.5) |
| Propaphenon |
1 (5.3) |
| Sotalol |
5 (26.3) |
| Electrical cardioversion |
15 (78.9) |
| Previous Catheter Ablation |
|
| For AF |
6 (31.5) |
| For Atrial Flutter |
5 (26.3) |
| Preoperative Pacemaker |
2 (10.5) |
| Anticoagulant status |
|
| Sodium Warfarin |
16 (84.2) |
| Aspirin |
5 (26.3) |
| LAVI (mL/m2) |
47 ± 11 |
| LAMAX (mL/m2) |
49 ± 20 |
| LAMIN (mL/m2) |
30 ± 15 |
| LAEF (%) |
38 ± 12 |
| LA A-P (cm) |
5.0 ± 0.5 |
| LA S-I (cm) | 6.4 ± 0.5 |
Normal data were presented as mean ±1 Standard deviation (SD), non parametric data as Median and [Interquartile Range] and discrete data as percentage (%).
Abbreviations: M/F: Male/Female; BMI: Body mass index; AF: Atrial fibrillation; CI: Confidence Interval; EHRA: European Hear Rhythm Association; LAVI: (Biplane) Left Atrial Volume Index; LAMAX: Maximum Left Atrial Volume; LAMIN: Minimum Left Atrial Volume; LAEF: Left Atrial emptying Fraction; LA A-P: Left Atrial Antero-Posterior Diameter; LA S-I : Left Atrial Superior-Inferior diameter.