Table 1 Demographic data and surgical procedure characteristics

 Age (y)

67(9)

 Male/Female

14/11

 Weight(kg)

85(17)

 Body Mass index (kg/cm2)

28(4)

 Diabetic

3

 Length of ICU stay (days)

1(1–2.3)

 No valve dysfunction pre-operative

12

 Good

20

 Mildly decreased

5

 Poor

0

 Bentall procedure

2

 Ascending aorta replacement

2

 Hemi- or aortic arch replacement

12

 Bentall and hemi-aortic arch replacement

9

 18–24 °C

20

 24–30 °C

1

 30–37 °C

4

Operation time (min)

458(90)

Cardiopulmonary bypass time (min)

226(64)