Table 2 Operative data. MS; mitral stenosis, MVR; mitral valve replacement, CPB; cardiopulmonary bypass, IABP; intra-aortic balloon pump, COP; cardiac output
From: Mitral valve replacement in mitral stenosis; the problem of small left ventricle
Operative data | Small LV group (N = 86) | Normal or dilated LV group (N = 98) | P-value |
|---|---|---|---|
Pathology of MS | 0.76 | ||
Rheumatic | 84 (98%) | 95 (97%) | |
Degenerative | 2 (2%) | 3 (3%) | |
Techniques of MVR | 0.50 | ||
Full median sternotomy | 35 (41%) | 36 (37%) | |
Lower ministernotomy | 15 (17%) | 18 (18%) | |
Right anterolateral minithoracotomy | 36 (42%) | 44 (45%) | |
Sizes of mitral prostheses (mm) | 0.50 | ||
25 | 2 | 1 | |
27 | 80 | 89 | |
29 | 4 | 8 | |
Intra-operative time parameters (min) | |||
Total operative time | 219.25 ± 19.86 | 213.70 ± 22.12 | 0.07 |
CPB time | 85.67 ± 7.72 | 83.43 ± 8.06 | 0.06 |
Cross-clamp time | 67.80 ± 10.23 | 69.37 ± 9.21 | 0.27 |
Need for inotropic support | 80 (93%) | 60 (45%) | 0.01 |
Need for IABP due to low COP syndrome | 6 (7%) | 1 (1%) | 0.03 |