Table 2 Perioperative data in the two phases (patients who underwent open repair only)

Aortic arch strategy, n (%)

1

 Hemiarch replacement

0

0

 Sun’s procedure*

11 (100)

23 (100)

Aortic root procedure, n (%)

 Supracoronary anastomosis alone

 Aortic valve replacement

 Root reconstruction

6 (54.55)

4 (36.36)

1 (9.09)

14 (60.87)

4 (17.39)

5 (21.74)

0.471

Coronary artery bypass graft, n (%)

0

1 (4.35)

1

Cardiopulmonary bypass time (min)

190.73 ± 57.00

227.65 ± 92.26

0.233

Cross-clamping time (min)

121.55 ± 45.50

137.04 ± 44.37

0.352

Selective cerebral perfusion time (min)

15.45 ± 2.54

16.22 ± 4.33

0.593

Low cardiac output syndrome, n (%)

1 (9.09)

1 (4.35)

1

Reintubation, n (%)

3 (27.27)

1 (4.35)

0.089

ICU stay (days)

13.82 ± 9.42

7.04 ± 4.62

0.043

Surgical mortality, n (%)

6 (54.55)

1 (4.35)

0.022