Table 1 Baseline demographics and clinical characteristics in overall population and according to type of mitral valve surgery
Characteristic | Overall population (n = 78) | Mitral repair (n = 45) | Mitral replacement (n = 33) |
|---|---|---|---|
Women, n (%) | 58 (74.4) | 31 (68.9) | 27 (81.8) |
Age at surgery (years), mean ± SD | 73.6 ± 7.6 | 73.0 ± 8.3 | 74.5 ± 6.5 |
Range | 55–88 | 55–88 | 60–87 |
Body surface area (m2), mean ± SD | 1.7 ± 0.2 | 1.8 ± 0.2 | 1.7 ± 0.2 |
Diagnosis, n (%) | |||
Aortic valve stenosis | 46 (59.0) | 28 (62.2) | 18 (54.5) |
Aortic steno-regurgitation | 16 (20.5) | 7 (15.6) | 9 (27.3) |
Aortic regurgitation | 15 (19.2) | 10 (22.2) | 5 (15.2) |
Mitral stenosis | 7 (9.0) | 3 (6.7) | 4 (12.1) |
Mitral steno-regurgitation | 10 (12.8) | 2 (4.4) | 8 (24.2) |
Mitral regurgitation | 50 (64.1) | 36 (80.0) | 14 (42.4) |
Tricuspid regurgitation (mild to severe) | 48 (61.5) | 28 (62.2) | 20 (60.6) |
Risk factors, n (%) | |||
Diabetes mellitus | 23 (29.5) | 15 (33.3) | 8 (24.2) |
Coronary artery disease | 28 (35.9) | 16 (35.6) | 12 (36.4) |
Endocarditis | 6 (7.7) | 3 (6.7) | 3 (9.1) |
Renal insufficiency | 12 (15.4) | 7 (15.6) | 5 (15.2) |
Cerebrovascular events | 4 (5.1) | 4 (8.9) | 0 |
Chronic lung disease | 9 (11.5) | 7 (15.6) | 2 (6.1) |
NYHA class | (n = 77) | (n = 45) | (n = 32) |
I | 1 (1.3) | 1 (2.2) | 0 |
II | 35 (45.5) | 24 (53.3) | 11 (34.4) |
III | 32 (41.6) | 15 (33.3) | 17 (53.1) |
IV | 9 (11.7) | 5 (11.1) | 4 (12.5) |
Left ventricular ejection fraction (%) | (n = 25) | (n = 15) | (n = 10) |
Mean ± SD | 53.1 ± 9.6 | 50.4 ± 8.8 | 57.0 ± 9.7 |
Median (quartile 1, quartile 3) | 55.0 (45.4; 60.0) | 53.7 (45.0; 57.0) | 57.5 (50.0; 62.0) |
Logistic EuroSCORE I | (n = 50) | (n = 29) | (n = 21) |
Mean ± SD | 18.0 ± 17.5 | 15.9 ± 17.7 | 20.9 ± 17.3 |
Median (quartile 1, quartile 3) | 11.5 (7.5; 21.5) | 9.1 (6.6; 18.5) | 15.7 (9.1; 24.4) |