Table 1 Preoperative characteristics (n = 38)

Age, years (range)

45.5 ± 12.4 (24–69)

Male gender

32 (84.2 %)

Female gender

6 (15.8 %)

Weight, Kg

73.9 ± 12.3

Height, cm

173.7 ± 9.3

BMI

21.78 ± 8.4

BSA, m²

1.97 ± 0.2

NYHA classification

 Class I

0

 Class II

20

 Class III

15

 Class IV

3

Hypertension

15

Chronic obstructive pulmonary disease

3

Smoking

13

Peripheral vascular disease

3

Preoperative carnine

86.5 ± 24.0

Preoperative atrial fibrillation or flutter

1

EuroScore II

13.9 (IQR, 1.83–23.3)

Preoperative UCG

 LVEF

64.0 ± 6.5

Maximum aortic arch diameter, mm

31 ± 5.9

Maximum aortic root diameter, mm

47.5 ± 11.0

Maximum diameter, mm

48.9 ± 11.1

Sinotubular junction diameter, mm

45.0 ± 9.9

Maximum aortic annulus diameter, mm

25.8 ± 2.7

Aortic valve regurgitation

 None

8

 Mild

4

 Moderate

6

 Moderately severe

3

 Severe

13

Mitral regurgitation

13

Tricuspid regurgitation

7

 Marfan syndrome and LDS

7

 Non-connective tissue disease

31

 Aneurysm without dissection

22

 Acute dissection

16

DeBakey I

14

DeBakey II

2

Bicuspid aortic valve

2