Skip to main content

Table 2 Operative data

From: Sex-specific risk factors for early mortality and survival after surgery of acute aortic dissection type a: a retrospective observational study

VariableAll Patients (n = 368)Male (n = 242)Female (n = 126)p- value
Length of surgery (min)280 (227;345)287 (235;356)254 (214;317)0.001
Cardiopulmonary bypass time (min)166 (135;212)171 (139;220)149 (124;196)0.001
Cross-clamp time (min)89 (70;127)94 (72; 135)85 (64;114)0.018
Circulatory arrest (min)33 (26;46)35 (26;51)30 (25;40)0.009
Number of packed red blood cells (unit) *4 (0–20)2 (0–20)4 (0–20)< 0.001
Number of fresh frozen plasma (unit)*0 (0–21)0 (0–21)2 (0–17)0.500
Number of platelets (unit)*2 (0–5)2 (0–5)2 (0–5)0.168
Surgical procedure
 Isolated supracoronary replacement186 (50.5%)108 (44.6%)78 (61.9%)0.002
 Partial arch replacement78 (21.2%)55 (22.7%)23 (18.3%)0.319
 Total arch replacement48 (13.0%)37 (15.3%)11 (8.7%)0.076
- Elephant-trunk7 (1.9%)7 (2.9%)0 (0.0%)0.101
 Conduit / Bentall operation63 (17.1%)44 (18.2%)19 (15.1%)0.453
 David operation22 (6.0%)20 (8.3%)2 (1.6%)0.010
 Additional AVR57 (15.5%)42 (17.4%)15 (11.9%)0.165
 Additional CABG35 (9.6%)19 (8.0%)16 (12.7%)0.147
 Diameter of ascending aorta prostheses (mm)28 (28;30)28 (28;30)28 (26;30)0.677
 Additional MVR1 (0.3%)1 (0.4%)0 (0.0%)1.000
 TEVAR/EVAR23 (6.3%)19 (7.9%)4 (3.2%)0.077
Arterial cannulation
 Femoral artery78 (21.2%)46 (19.0%)32 (25.4%)0.155
 Ascending aorta102 (27.7%)67 (27.7%)35 (27.8%)0.985
 Aortic arch14 (3.8%)9 (3.7%)5 (4.0%)1.000
 Subclavian artery1 (0.3%)1 (0.4%)0 (0.0%)1.000
 Apex5 (1.4%)4 (1.7%)1 (0.8%)0.664
 Pulmonary vein168 (45.7%)115 (47.5%)53 (42.1%)0.319
Venous cannulation**
 Right atrium330 (59.9%)212 (95.1%)118 (97.5%)0.394
 Bicaval4 (1.2%)4 (1.8%)0 (0.0%)0.302
 Femoral vein10 (2.9%)7 (3.1%)3 (2.5%)1.000
Hemofiltration ***83 (26.8%)47 (23.0%)36 (34.0%)0.039
  1. AVR Aortic valve replacement, MVR Mitral valve reconstruction / replacement, CABG Coronary artery bypass graft, TEVAR Thoracic endovascular aortic repair, EVAR Endovascular aortic repair; * 9–10% missing values, **6.5% missing values ***16% missing values; bold text, p-values ≤0.05; italic text, subheadings