Valve-Sparing Aortic Root Replacement Technique: Valsalva Graft versus Two Straight Tubular Grafts
Table 2
Operative data.
Variable
Valsalva (n = 270)
Two-graft (n = 62)
value
Primary indication
0.02
Root aneurysm
220 (81)
42 (68)
Acute type A aortic dissection
50 (19)
20 (32)
Timing of operation
0.12
Elective
210 (78)
41 (66)
0.05
Urgent
19 (7.0)
5 (8.1)
0.79
Emergent/salvage
41 (15)
16 (26)
0.05
Concomitant procedure
CABG
12 (4.5)
2 (3.2)
0.66
Mitral valve surgery
15 (5.6)
4 (6.5)
0.76
Tricuspid valve surgery
4 (1.5)
2 (3.2)
0.31
Aortic valve repair
41 (15)
3 (4.8)
0.03
Ascending aorta procedure
233 (86)
49 (79)
0.15
Hemiarch replacement
60 (22)
8 (13)
0.10
Total arch replacement
4 (1.5)
2 (3.2)
0.31
Zone 1 replacement
3 (1.1)
7 (11)
<0.001
Zone 2 replacement
4 (1.5)
6 (9.7)
0.004
Zone 3 replacement
2 (0.7)
2 (3.2)
0.16
CPB time
255 (233, 284)
284 (265, 346)
<0.001
Cross-clamp time
215 (195, 238)
245 (228, 278)
<0.001
PRBC (units)
0.0 (0.0, 2.0)
0.0 (0.0, 1.0)
0.16
Size of implant
Valsalva graft (mm)
30 (30, 32)
Large graft (mm)
34 (34, 34)
Plication of large graft (mm)
29 (29, 30)
Small graft (mm)
24 (24, 26)
Data presented as median (interquartile range) for continuous variables and number (percentage) for categorical variables. Abbreviations: CABG, coronary artery bypass grafting; CPB, cardiopulmonary bypass; PRBC, packed red blood cells.
