Table 1 Baseline demographic and clinical characteristics of patients based on surgical procedures.
From: Mitral valve annuloplasty versus replacement for severe ischemic mitral regurgitation
Overall patient | Pairs matched by PS | ||||||
|---|---|---|---|---|---|---|---|
MVA (n = 316) | MVR (n = 120) | P Value | MVA (n = 109) | MVR (n = 109) | P Value | Standardized difference | |
Age, year* | 59.42 ± 8.51 | 61.49 ± 9.09 | 0.027 | 61.72 ± 7.95 | 60.83 ± 8.84 | 0.435 | −0.098 |
Sex (male), n (%)* | 256 (81.0) | 91 (75.8) | 0.231 | 82 (75.2) | 85 (78.0) | 0.631 | 0.064 |
Body surface area, m2* | 1.78 ± 0.18 | 1.75 ± 0.16 | 0.035 | 1.75 ± 0.15 | 1.76 ± 0.15 | 0.631 | 0.063 |
Diabetes, n (%)* | 75 (23.7) | 22 (18.3) | 0.226 | 17 (15.6) | 22 (20.2) | 0.377 | 0.118 |
Hypertension, n (%)* | 163 (51.6) | 66 (55.0) | 0.523 | 64 (58.7) | 60 (55.0) | 0.584 | −0.073 |
Hyperlipidemia, n (%)* | 128 (40.5) | 56 (46.7) | 0.245 | 50 (45.9) | 50 (45.9) | >0.999 | 0 |
COPD, n (%)* | 22 (7.0) | 7 (5.8) | 0.673 | 6 (5.5) | 6 (5.5) | >0.999 | 0 |
History of PCI, n (%)* | 40 (12.7) | 14 (11.7) | 0.779 | 10 (9.2) | 13 (11.9) | 0.508 | 0.085 |
History of heart failure, n (%)* | 166 (52.5) | 64 (53.3) | 0.881 | 59 (54.1) | 56 (51.4) | 0.684 | −0.055 |
History of stroke, n (%)* | 28 (8.9) | 15 (12.5) | 0.255 | 11 (10.1) | 14 (12.8) | 0.524 | 0.083 |
Ventricular arrhythmia, n (%)* | 17 (5.4) | 5 (4.2) | 0.605 | 5 (4.8) | 5 (4.8) | >0.999 | 0 |
Atrial fibrillation, n (%)* | 39 (12.3) | 12 (10.0) | 0.497 | 8 (7.3) | 5 (4.6) | 0.391 | −0.061 |
LV aneurysm, n (%)* | 34 (10.8) | 4 (3.3) | 0.014 | 3 (2.8) | 4 (3.7) | 0.7 | 0.051 |
Unstable angina, n (%)* | 61 (19.3%) | 17 (14.2) | 0.211 | 22 (20.2) | 15 (13.8) | 0.207 | −0.183 |
NYHA functional class* | 2.58 ± 0.59 | 2.61 ± 0.64 | 0.689 | 2.61 ± 0.62 | 2.56 ± 0.60 | 0.507 | −0.086 |
Left main CAD, n (%)* | 62 (19.6) | 17 (14.2) | 0.187 | 17 (15.6) | 15 (13.8) | 0.702 | −0.052 |
EF* | 51.50 ± 11.97 | 56.05 ± 10.15 | <0.001 | 54.94 ± 10.42 | 56.11 ± 10.06 | 0.402 | 0.115 |
LVEDD* | 58.74 ± 6.59 | 58.28 ± 6.12 | 0.513 | 58.04 ± 6.46 | 58.43 ± 6.25 | 0.647 | 0.065 |
LAD* | 43.22 ± 6.08 | 43.94 ± 6.91 | 0.286 | 43.63 ± 6.60 | 43.91 ± 7.11 | 0.767 | 0.04 |
Grade of MR, n (%)* | <0.001 | 0.603 | 0.063 | ||||
3+ | 289 (91.5%) | 90 (75.0%) | 90 (82.6%) | 87 (79.8%) | |||
4+ | 27 (8.5%) | 30 (25.0%) | 19 (17.4%) | 22 (20.2%) | |||
Pulmonary hypertension, n (%) | 30 (9.5%) | 24 (20.0%) | 0.003 | 10 (9.2%) | 19 (17.4%) | 0.073 | — |
BWMA, n (%)* | 181 (57.3) | 68 (56.7) | 0.908 | 60 (55.0) | 61 (56.0) | 0.892 | 0.018 |
CABG | |||||||
LIMA, n (%)* | 271 (85.8) | 100 (83.3) | 0.525 | 91 (83.5) | 90 (82.6) | 0.857 | −0.025 |
Radial artery, n (%)* | 2 (0.6) | 2 (1.7) | 0.339 | 2 (1.8) | 2 (1.8) | >0.999 | 0 |
Grafts/patient* | 2.64 ± 0.84 | 2.59 ± 0.69 | 0.556 | 2.59 ± 0.88 | 2.58 ± 0.71 | 0.933 | −0.013 |
Distal anastomoses/patient* | 3.13 ± 1.12 | 2.91 ± 0.97 | 0.053 | 2.89 ± 1.09 | 2.91 ± 1.00 | 0.897 | 0.019 |
Concomitant procedure, n (%) | — | ||||||
TAP* | 24 (7.6) | 25 (20.8) | <0.001 | 17 (15.6) | 19 (17.4) | 0.715 | 0.045 |
Modified maze procedure | 2 (0.6) | 0 (0.0) | — | 0 (0.0) | 0 (0.0) | — | |
ACC time | 109.59 ± 69.09 | 113.53 ± 36.47 | 0.554 | 98.08 ± 27.48 | 114.43 ± 37.13 | <0.001 | — |
CPB time | 154.72 ± 49.02 | 163.68 ± 57.03 | 0.104 | 144.43 ± 42.41 | 165.04 ± 58.14 | 0.003 | — |
Postoperative IABP, n (%) | 18 (5.7) | 5 (4.2) | 0.523 | 5 (4.6) | 4 (3.7) | 0.734 | — |
Duration of intubation, hours; Median (IQR) | 20 (15–30) | 21 (16–37) | 0.19 | 18 (15–30) | 22 (17–39) | 0.253 | — |
Duration of ICU, hours; Median (IQR) | 69 (40–91) | 85 (43–129) | 0.061 | 64 (40–81) | 84 (44–114) | 0.036 | — |
