Table 3.
Sinus conversion and restoration of atrial contractility
| Variable | Group A | Group B | p-value |
|---|---|---|---|
| Immediate postoperative rhythm | <0.001 | ||
| Atrial fibrillation | 30 (21.4) | 8 (8.2) | |
| Sinus rhythm | 100 (71.4) | 66 (67.3) | |
| Sick sinus syndrome | 10 (7.1) | 24 (24.5) | |
| Rhythm at discharge | 0.002 | ||
| Atrial fibrillation | 69 (49.3) | 27 (27.6) | |
| Sinus rhythm | 65 (46.4) | 68 (69.4) | |
| Sick sinus syndrome | 6 (4.3) | 3 (3.1) | |
| Atrial contractility at discharge | 14 (10.8) | 20 (20.4) | 0.043 |
| Rhythm at 1 year | 0.186 | ||
| Atrial fibrillation | 31 (30.7) | 12 (19.7) | |
| Sinus rhythm | 66 (65.3) | 48 (78.7) | |
| Sick sinus syndrome | 4 (4.0) | 1 (1.6) | |
| Atrial contractility at 1 year | 19 (32.2) | 21 (48.8) | 0.089 |
| Left ventricle ejection fraction at 1 year (%) | 53.1±11.5 | 59.1±6.3 | 0.001 |
| Left atrial dimension at 1 year (mm) | 48.3±8.5 | 52.0±17.7 | 0.164 |
| Left ventricle end-diastolic dimension at 1 year (mm) | 50.4±7.5 | 49±5.9 | 0.298 |
| Permanent pacemaker insertion | 8 (5.7) | 2 (2.0) | 0.202 |
Values are presented as frequency (%) for categorical variables or mean±standard deviation for continuous variables.