Table 2 Surgical information

Femoral artery cannulation (n,%)

667, 94.7

103, 94.5

564, 94.8

0.899

Axillary artery cannulation (n,%)

587, 83.4

90, 82.6

497, 83.5

0.804

AsAo cannulation (n,%)

1, 0.1

0

1, 0.2

0.668

Aortic repair procedures

Isolated AsAo replacement (n,%)

443, 62.9

63, 57.8

380, 63.9

0.228

Root replacement (n,%)

76, 10.8

17, 15.6

59, 9.9

0.079

Arch replacement (n,%)

199, 28.3

31, 28.4

168, 28.2

0.965

Partial arch (n,%)

128, 18.2

21, 19.3

107, 18.0

0.750

Total arch (n,%)

71, 10.1

10, 9.2

61, 10.3

0.731

Frozen elephant trunk (n,%)

57, 8.1

12, 11.0

45, 7.6

0.225

Resection of primary entry tear (n,%)

503, 71.4

82, 75.2

421, 70.8

0.342

Cardiopulmonary bypass time (min)

256.0 ± 77.7

278.4 ± 86.8

251.9 ± 75.3

0.001

Aortic clamping time (min)

166.4 ± 54.3

181.8 ± 65.1

163.6 ± 51.6

0.007

Circulatory arrest time (min)

50.8 ± 24.2

52.8 ± 26.2

50.4 ± 23.8

0.357

Hypothermia temperature (°C)

20.4 ± 2.5

20.2 ± 2.4

20.4 ± 2.5

0.432

Antegrade cerebral perfusion (n,%)

597, 84.8

97, 89.0

500, 84.0

0.185

Retrograde cerebral perfusion (n,%)

107, 15.2

12, 11.0

95, 16.0

0.185

Extracorporeal membrane oxygenation (n,%)

23, 3.3

11, 10.1

12, 2.0

 < 0.001