Table 3 Procedural details
From: Long-term outcome after mitral valve replacement using biological versus mechanical valves
Total N = 324 | Biological MVR N = 265 | Mechanical MVR N = 59 | p-value | |
|---|---|---|---|---|
Operative approach | 0.001 | |||
MIC, % | 135/324 (41.7) | 99/265 (37.4) | 36/59 (61.0) | |
CS, % | 189/324 (58.3) | 166/265 (62.6) | 23/59 (39.0) | |
MV size | 0.652 | |||
25 mm, % | 2/324 (0.6) | 2/265 (0.8) | – | |
26 mm, % | 1/324 (0.3) | 1/265 (0.4) | – | |
27 mm, % | 45/324 (13.9) | 40/265 (15.1) | 5/59 (8.5) | |
29 mm, % | 99/324 (30.6) | 82/265 (30.9) | 17/59 (28.8) | |
31 mm, % | 128/324 (39.5) | 100/265 (37.7) | 28/59 (47.5) | |
33 mm, % | 49/324 (15.1) | 40/265 (15.1) | 9/59 (15.3) | |
Times | ||||
Procedure time (min) | 196.5 [166.3–240.0] [324] | 197.0 [165.5–239.0] [265] | 192.0 [170.0–258.0] [59] | 0.539 |
CPB time (min) | 117.0 [166.3–146.8] [324] | 114.0 [94.0–145.0] [265] | 126.0 [105.0–154.0] [59] | 0.030 |
x-clamp time (min) | 72.0 [59.0–92.8] [324] | 71.0 [58.0–91.0] [265] | 74.0 [62.0–99.0] [59] | 0.235 |
Length of intubation (h) | 12.0 [9.0–18.0] [324] | 12.0 [9.0–18.0] [265] | 11.0 [8.0–17.0] [59] | 0.230 |
Length of ICU (h) | 34.5 [22.0–75.8] [324] | 34.0 [22.0–72.0] [265] | 47.0 [23.0–108.0] [59] | 0.095 |
Length of hospital stay (d) | 12.0 [9.0–17.0] [324] | 11.0 [9.0–17.0] [265] | 14.0 [11.0–19.0] [59] | 0.012 |
Concomitant procedures | ||||
Cryo ablation, % | 82/323 (25.4) | 65/265 (24.5) | 17/58 (29.3) | 0.448 |
LAA closure, % | 88/324 (27.2) | 74/265 (27.9) | 14/59 (23.7) | 0.512 |
Tricuspid valve repair, % | 63/323 (19.5) | 53/264 (20.1) | 10/59 (16.9) | 0.584 |
PFO closure, % | 13/324 (4.0) | 10/265 (3.8) | 3/59 (5.1) | 0.712 |
ASD closure, % | 6/324 (1.9) | 5/265 (1.9) | 1/59 (1.7) | 1.000 |
Second MV repair, % | 9/324 (2.8) | 2/265 (0.8) | 7/59 (11.9) | < 0.001 |
Conversion to CSa, % | 9/137 (6.6) | 9/101 (8.9) | 0/36 (0) | 0.112 |