Serial anatomical indices of left atrium and left atrial appendage for the subset of patients with their first documented episode of atrial fibrillation
| Baseline TOE | Follow up TOE | p Value | |
|---|---|---|---|
| Left atrium | |||
| Length (cm) (H) | 5.6 (0.3) | 5.5 (0.3) | 0.40 |
| Width (cm) (H) | 5.1 (0.2) | 5.4 (0.3) | 0.72 |
| Area (cm2) (H) | 22.9 (2.0) | 23.6 (2.7) | 0.76 |
| Volume (cm3) | 84.3 (6.4) | 88.4 (13) | 0.64 |
| Left atrial appendage | |||
| Length (cm) (H) | 4.4 (0.2) | 4.3 (0.4) | 0.65 |
| Width (cm) (H) | 2.3 (0.2) | 2.2 (0.2) | 0.66 |
| Area (cm2) (H) | 7.5 (1.3) | 6.9 (1.4) | 0.16 |
| Peak velocity inflow (m/s) | 0.2 (0.01) | 0.2 (0.02) | 0.88 |
Values are mean (SEM).
H, horizontal (0°) imaging plane; TOE, transoesophageal echocardiography.