ATAAD (n=23) Control (n=20) p-value
Age (years) 64.6 ­±11.1 59.2 ±14.2 0.17
Sex (Female) 7 (30%) 3 (15%) 0.29
Hypertension 14 (61%) 11 (55%) 0.70
Marfan 0 (0%) 2 (10%) 0.21
Other connective disorder 0 (%) 0 (0%) 1
Bicuspid valve 0 (0%) 6 (32%) <0.01
Aortic aneurysm 6 (26%) 20 (100%) <0.001
Diabetes 0 (0%) 1 (5%) 0.47
Smoking history 7 (30%) 4 (27%) 1
Chronic kidney disease 1 (4%) 0 (0%) 1
COPD 0 (0%) 1 (5%) 0.47
Stroke 1 (4%) 0 (0%) 1
Aspirin 3 (13%) 2 (10%) 1
Hyperlipidemia 1 (4%) 6 (30%) 0.04
Proximal surgical technique <0.001
- Supracoronary graft 21 (91%) 3 (6%)
- Supracoronary graft + AVR 1 (4%) 1 (5%)
- Root replacement 1 (4%) 16 (80%)
- Valve sparing root replacement
0 (0%)
8 (40%)
- Bentall 1 (4%) 8 (40%)
Distal surgical technique 0.04
- Supracoronary graft 21 (91%) 16 (80%)
- Hemiarch 0 (0%) 4 (20%)
- Arch 2 (9%) 0 (0%)
Arterial cannulation <0.001
- Femoral 18 (78%) 0 (0%)
- Arch 1 (4%) 17 (85%)
- Other 4 (17%) 3 (15%)
Symptom duration (h) 7.0 (3.9)
Operation time (min) 298 ±72 322 ±79 0.10
CPB time (min) 160 ±36 208 ±60 <0.01
Cx time (min) 75 ±31 139 ±44 <0.001
HCA time (min) 21.6 ±10.5 3.6 ±8.2 <0.001
SCP modality <0.001
- Circulatory arrest 14 (61%) 0 (0%)
- SABP 9 (39%) 4 (20%)
SCP time 0 <0.001
Lowest core temp (°C) 20.0 ±2.8 30.5 ±3.1 <0.001
Circulatory arrest time (min) 17.9 ±5.8 0 <0.01
Values are expressed as numbers (%) or mean ±SD. ATAAD, acute aortic dissection; COPD, chronic obstructive pulmonary disease; AVR, aortic valve replacement; CPB, cardiopulmonary bypass; Cx, crossclamp; HCA, hypothermic circulatory arrest; SCP, selective cerebral perfusion; SABP, selective antegrade brain perfusion. Values are expressed as numbers (%) or mean ±SD. ATAAD, acute aortic dissection; COPD, chronic obstructive pulmonary disease; AVR, aortic valve replacement; CPB, cardiopulmonary bypass; Cx, crossclamp; HCA, hypothermic circulatory arrest; SCP, selective cerebral perfusion; SABP, selective antegrade brain perfusion. Values are expressed as numbers (%) or mean ±SD. ATAAD, acute aortic dissection; COPD, chronic obstructive pulmonary disease; AVR, aortic valve replacement; CPB, cardiopulmonary bypass; Cx, crossclamp; HCA, hypothermic circulatory arrest; SCP, selective cerebral perfusion; SABP, selective antegrade brain perfusion. Values are expressed as numbers (%) or mean ±SD. ATAAD, acute aortic dissection; COPD, chronic obstructive pulmonary disease; AVR, aortic valve replacement; CPB, cardiopulmonary bypass; Cx, crossclamp; HCA, hypothermic circulatory arrest; SCP, selective cerebral perfusion; SABP, selective antegrade brain perfusion.