From: Minimally invasive or sternotomy approach in mitral valve surgery: a propensity-matched comparison
Overall | Matched Patients | |||||
---|---|---|---|---|---|---|
MINI | STERNOTOMY | p-value | MINI | STERNOTOMY | p-value | |
Variable | n = 189 | n = 336 | n = 158 | n = 225 | ||
Age (years) | 64.1 ± 9.1 | 65.6 ± 10.4 | 0.02 | 64.8 ± 8.9 | 65.4 ± 10.9 | 0.16 |
Gender (male) | 85 (45%) | 145 (43%) | 0.71 | 64 (41%) | 95 (42%) | 0.75 |
BMI (kg/m2) | 27.9 ± 4.4 | 29.0 ± 6.1 | 0.11 | 28.0 ± 4.5 | 29.3 ± 6.2 | 0.07 |
Previous MI | 12 (6%) | 35 (10%) | 0.15 | 8 (5%) | 20 (9%) | 0.17 |
Diabetes mellitus | 23 (12%) | 76 (23%) | 0.004 | 22 (14%) | 39 (17%) | 0.40 |
Arterial hypertension | 136 (72%) | 239 (71%) | 0.23 | 119 (75%) | 161 (72%) | 0.35 |
COPD | 23 (12%) | 48 (14%) | 0.60 | 20 (13%) | 25 (11%) | 0.75 |
Hyperlipidaemia | 95 (50%) | 179 (53%) | 0.53 | 83 (53%) | 117 (52%) | 1.00 |
Atrial fibrillation | 77 (41%) | 148 (44%) | 0.52 | 71 (45%) | 99 (44%) | 0.92 |
Peripheral arterial disease | 1 (1%) | 12 (4%) | 0.04 | 1 (1%) | 1 (0%) | 1.00 |
Cerebrovascular disease | 16 (8%) | 24 (7%) | 0.61 | 16 (10%) | 15 (7%) | 0.26 |
Smoking | 49 (26%) | 101 (30%) | 0.37 | 39 (25%) | 54 (24%) | 0.90 |
LVEF (%) | 58.2 ± 11.3 | 57.3 ± 12.0 | 0.10 | 58.9 ± 10.4 | 58.1 ± 11.0 | 0.15 |
Pulmonary hypertension | 21 (11%) | 57 (17%) | 0.08 | 21 (13%) | 31 (14%) | 1.00 |
EuroScore II (%) | 2.4 ± 2.2 | 4.1 ± 5.2 | < 0.001 | 2.6 ± 2.3 | 2.9 ± 2.2 | 0.06 |
Creatinine concentration (μmol/l) | 83.0 ± 18.6 | 99.4 ± 59.9 | < 0.001 | 83.7 ± 19.2 | 87.5 ± 21.2 | 0.10 |
NYHA class | ||||||
I + II | 126 (67%) | 144 (43%) | < 0.001 | 95 (60%) | 122 (54%) | 0.30 |
III + IV | 63 (33%) | 180 (54%) | < 0.001 | 63 (40%) | 103 (46%) | 0.30 |
Mitral valve stenosis | 2 (1%) | 27 (8%) | < 0.001 | 2 (1%) | 6 (3%) | 0.48 |
Mitral valve regurgitation | 187 (99%) | 309 (92%) | < 0.001 | 156 (99%) | 219 (97%) | 0.48 |
Mitral valve regurgitation grade | ||||||
1 + 2 | 1 (1%) | 15 (4%) | 0.01 | 1 (1%) | 5 (2%) | 0.41 |
3 + 4 | 188 (99%) | 315 (94%) | < 0.001 | 157 (99%) | 217 (96%) | 0.09 |
Mitral valve pathology | ||||||
Degenerative | 166 (88%) | 281 (84%) | 0.20 | 140 (89%) | 203 (90%) | 0.62 |
Rheumatic | 1 (1%) | 14 (4%) | 0.01 | 1 (1%) | 3 (1%) | 0.65 |
Ischemic | 11 (6%) | 23 (7%) | 0.72 | 7 (4%) | 11 (5%) | 1.00 |
Secondary | 11 (6%) | 13 (4%) | 0.38 | 10 (6%) | 8 (4%) | 0.23 |
Acute operation | 0 (0%) | 16 (5%) | < 0.001 | 0 (0%) | 0 (0%) | 1.00 |