Prevalence and Predictive Factors of Early Degeneration of Bioprosthetic Mitral Valves: A Single-Center Cohort Study
Table 2
Perioperative characteristics and surgical complications of the study population and their comparison between patients with and without bioprosthetic mitral valve early degeneration.
Characteristics
Total (n = 177)
Normal (n = 138)
Degeneration (n = 39)
value
Type of surgery
0.70
Valve replacement
69 (39.0)
56 (40.6)
13 (33.3)
Valve replacement + CABG
45 (25.4)
33 (23.69)
12 (30.8)
Valve + CABG + other
18 (10.2)
15 (10.9)
3 (7.7)
Valve + other
45 (25.4)
34 (24.6)
11 (28.2)
Manufacturer of the valve, n (%)
0.63
Perimount
117 (66.1)
91 (65.9)
26 (66.7)
Hancock I
13 (7.3)
11 (8.0)
2 (5.1)
Hancock II
29 (16.4)
23 (16.7)
6 (15.4)
Biocor
12 (6.8)
9 (6.5)
3 (7.7)
Epic
3 (1.7)
1 (0.7)
2 (5.1)
Magna
2 (1.1)
2 (1.4)
0 (0)
St. Jude
1 (0.6)
1 (0.7)
0 (0)
Size of the valve, n (%)
0.14
24
1 (0.6)
0
1 (2.6)
25
4 (1.7)
4 (2.2)
0 (0)
27
89 (50.3)
64 (46.4)
25 (64.1)
29
61 (34.5)
50 (36.2)
11 (28.2)
31
20 (11.3)
18 (13.0)
2 (5.1)
33
2 (1.1)
2 (1.4)
0 (0)
In hospital anticoagulant, n (%)
171 (96.6)
133 (96.4)
38 (97.4)
0.75
Aspirin, n (%)
152 (85.9)
121 (87.7)
31 (79.5)
0.20
Total ICU stay, hour
67.0 [26.3, 109.0]
69.0 [27.8, 110.7]
68.5 [30.1, 135.5]
0.72
Total ventilation duration, hour
13.0 [10.5, 18.0]
13.3 [10.5, 18.9]
16.3 [11.9, 26.3]
0.10
Cross clamp time, minutes
72.5 ± 32.7
72.3 ± 34.1
73.2 ± 27.7
0.87
ICU readmission, n (%)
12 (6.8)
9 (6.5)
3 (7.7)
0.80
Reintubation, n (%)
15 (8.5)
11 (8.0)
4 (10.3)
0.65
Packed cell transfusion, n (%)
105 (59.3)
79 (57.2)
26 (66.7)
0.29
In-hospital complications
Atrial fibrillation, n (%)
71 (40.1)
56 (40.6)
15 (38.5)
0.81
Pericardial effusion, n (%)
12 (6.8)
9 (6.5)
3 (7.7)
0.80
Pleural effusion, n (%)
24 (13.6)
16 (11.6)
8 (20.5)
0.15
Cardiac arrest, n (%)
2 (1.1)
2 (1.4)
0 (0)
0.99
Tamponade, n (%)
2 (1.1)
0 (0)
2 (5.1)
0.05
Pneumonia, n (%)
2 (1.1)
2 (1.4)
0 (0)
0.99
Prolonged ventilation, n (%)
26 (14.7)
18 (13.0)
8 (20.5)
0.25
Hemodialysis, n (%)
1 (0.6)
0 (0)
1 (2.6)
0.22
Reoperation due to valvular dysfunction, n (%)
1 (0.6)
0 (0)
1 (2.6)
0.22
Death, n (%)
2 (1.1)
1 (0.7)
1 (2.6)
0.40
was considered statistically significant. CABG: coronary artery bypass graft; ICU: intensive care unit.
