Variable | ACP group (n = 38) | RIVP + ACP group (n = 38) | P value |
---|---|---|---|
Time from first symptom to surgery (h) | 66 (60, 130) | 42 (29, 126) | 0.26 |
Time from admission to surgery (h) | 41 (22, 56) | 26 (18, 36) | 0.42 |
Surgery type, n (%) | |||
Elephant trunk | 34 (90) | 35 (92) | 1.00 |
Aortic valve replacement | 19 (50) | 14 (37) | 0.25 |
Aortic valvuloplasty a | 1 (3) | 0 (0) | 1.00 |
Coronary artery bypass grafting a | 2 (5) | 1 (3) | 1.00 |
Arterial cannulation site, n (%)a | 0.80 | ||
Femoral artery | 25 (66) | 27 (71) | |
Descending aorta | 12 (32) | 11 (29) | |
Subclavian artery | 1 (3) | 0 (0) | |
Variables during lower body arrest | |||
Lowest temperature (°C) | |||
Nasopharyngeal | 25.3 (24.5, 25.7) | 27.8 (27.6, 28.1) | < 0.001 |
Rectal | 27.2 (25.9, 27.8) | 28.9 (28.6, 29.3) | < 0.001 |
Antegrade cerebral perfusion | |||
Flow (mL/min/kg) | 5.8 ± 1.3 | 7.2 ± 1.5 | 0.001 |
Unilateral/bilateral | 14/24 | 31/7 | < 0.001 |
Left radial artery pressure (mmHg) | 15 ± 8 | 14 ± 7 | 0.46 |
Retrograde inferior vena caval perfusion | |||
Flow (mL/min/kg) | – | 11 ± 2 | – |
Pressure (mmHg) | – | 22 ± 3 | – |
Cardiopulmonary bypass times (min) | |||
From initiation to low body arrest | 112 ± 33 | 120 ± 33 | 0.27 |
The specific circulatory arrest | 34.4 ± 9.2 | 34.5 ± 8.3 | 0.96 |
From rewarming to weaning pump | 151 ± 60 | 97 ± 23 | < 0.001 |
Cross-clamping time | 198 ± 55 | 189 ± 36 | 0.39 |
Surgery duration (hour) | 8.27 (6.75,9.75) | 8.08 (7.08,9.00) | 0.33 |