Skip to main content
. 2022 May 10;28(5):334–341. doi: 10.5761/atcs.oa.21-00093

Table 2. Operative and postoperative data.

Bioprosthetic valve Mechanical valve
HD patients (n = 60) Non-HD patients (n = 152) P-Value HD patients (n = 8) Non-HD patients (n = 18) P-Value
Bicuspid valveb (%) 6 (10) 25 (16) 0.16 2 (25) 5 (28) 0.64
Isolated AVR (%) 26 (43) 68 (45) 0.87 2 (25) 7 (39) 0.41
Concomitant procedure
 CABG (%) 14 (23) 26 (17) 0.32 3 (38) 0 (0) <0.01a
 Valve (%) 14 (23) 26 (17) 0.30 1 (13) 7 (39) 0.07
 Mitral (%) 8 (13) 20 (13) 1.00 1 (13) 7 (39) 0.07
 Tricuspid (%) 9 (15) 12 (8) 0.41 1 (13) 3 (17) 0.45
 Aorta (%) 5 (8) 24 (16) 0.19 2 (25) 2 (11) 0.26
Emergency (%) 5 (8) 10 (7) 0.76 0 (0) 3 (17) 0.31
Prosthetic valve type
 CEPd (%) 21 (35) 56 (37) 0.83
 Magnae (%) 23 (38) 61 (40) 0.87
 Resilia (%) 8 (13) 16 (11) 0.74
 Trifecta (%) 2 (3) 3 (2) 0.61
 Mosaic (%) 5 (8) 15 (10) 0.75
 Mitroflow (%) 1 (2) 0 (0) 0.44
 Crown (%) 0 (0) 1 (1) 0.52
 SJM (%) 5 (63) 14 (78) 0.71
 ATS (%) 0 (0) 1 (6) 0.55
 On-X (%) 3 (38) 3 (17) 0.16
Prosthetic valve size (mm)
  <19 16 (27) 26 (17) 0.22 6 (75) 11 (61) 0.84
 21 21 (35) 63 (41) 0.71 2 (25) 4 (22) 0.75
 23 20 (33) 46 (30) 0.75 0 2 (11) 0.23
 >25 3 (5) 17 (11) 0.46 0 1 (6) 0.12
Average prosthetic valve size (mm) 21 ± 2 22 ± 2 0.19 19.3 20.2 0.08
21 ± 2 0.03a 20 ± 2 0.03a
CPB time (min) 241.2 226.9 0.77 278.6 276.4 0.83
Cross-clamp time (min) 159.7 151.0 0.85 185.3 187.7 0.49
Postop PPMc (%) 14 (23) 41 (27) 0.72 1 (13) 2 (11) 0.76
Hospital death (%) 2 (3) 2 (1) 0.13 1 (13) 1 (6) 0.53
Average follow-up year 2.7 (0–7.9) 4.0 (0–10.0) <0.01a 3.1 (0–9.7) 4.1 (0–9.9) 0.02a
Thromboembolic events 4 3 <0.02a 0 0
Major bleeding events 2 2 0.28 0 0
Deep sternal wound infection 1 0 0.63 0 0

Values are mean ± SD or n (%) unless otherwise specified.

aStatistically significant (P <0.05)

bIncluding monocuspid aortic valve

cAll recorded PPM were moderate (0.65 ≤EOAi ≤0.85).

dCarpentier-Edwards Perimount pericardial aortic bioprosthesis

eCarpentier-Edwards Perimount Magna Ease pericardial aortic bioprosthesis

HD: hemodialysis; AVR: aortic valve replacement; CABG: coronary artery bypass grafting; SJM: St. Jude Medical; CPB: cardiopulmonary bypass; PPM: patient–prosthesis mismatch; SD: standard deviation; Postop: postoperative; EOAi: Effective Orifice Area index