No Yes
N (%) N (%)
Surgical variables
Urgent surgery
19 (79.2)
5 (20.8)
Elective surgery
5 (20.8)
19 (79.2)
Concomitant procedure
15 (62.5)
9 (37.5)
Mechanical valve
14 (58.3)
10 (41.7)
Tissue valve
10 (41.7)
14 (58.3)
Valve-in-valve
19 (79.2)
5 (20.8)
Intra-op Bentall procedure
24 (100.0)
0 (0)
Transfusion
4 (16.7)
20 (83.3)
Ventricular assist device (VAD)
24 (100.0)
0 (0)
Post-op myocardial infarct (MI)
24 (100.0)
0 (0)
Stroke
24 (100.0)
0 (0)
New onset renal failure
23 (95.8)
1 (4.2)
Permanent pace maker required
24 (100.0)
0 (0)
Re-operation bleeding
22 (91.7)
2 (8.3)
Second re-op
22 (91.7)
2 (8.3)
Cross-clamp time (min)
155.7 (average) (range 72-319)
155.7 (average) (range 72-319)
Bypass time (min)
201.04 (average) (range 117-355)
201.04 (average) (range 117-355)