Variable | Mean ± SD or Number (%) |
---|---|
Age(years) | 51.3 ± 8.6 |
Gender (n) | Â |
 Male | 13 (54.2%) |
 Female | 11 (45.8%) |
Perivous operation time (n) | Â |
 1 | 22 (91.7%) |
 2 | 2 (8.3%) |
Primary operation (n) | Â |
 Mitral valve repair | 2 |
 Mitral valve replacement | 18 |
 Aortic valve replacement | 7 |
 Atrial septal defect repair | 3 |
 Tricuspid valvuloplasty | 9 |
 Coronary artery bypass grafting | 3 |
New York Heart Association class (n) | Â |
 Class III | 15 (62.5%) |
 Class IV | 9 (37.5%) |
Mitral valve insufficiency (n) | 5 |
Tricuspid valve insufficiency (n) | 21 |
Atrial fibrillation (n) | 22 |
Left ventricular ejection fraction (%) | 47.5 ± 13.2 |
Left atrial diameter (mm) | 79 ± 3.1 |
Right atrial diameter (mm) | 72 ± 25 |
Cardiothoracic ratio (%) | 69 ± 18 |