Table 5: Operative variables of cardiopulmonary bypass (CBP), aortic clamping and

use of blood products in patients undergoing surgery for thoracic aortic aneurysm.

CBP

(min)

Aortic

clamping

(min)

Bleeding

(ml)

RBCC

transfusion

FFP

transfusion

PP

transfusion

Cryoprecipitates

transfusion

Autologous

blood from

cell saver

(ml)

N Valid

39

39

38

39

39

39

39

39

N Lost

0

0

1

0

0

0

0

0

Minimum

83

58

210

0

0

0

0

0

Maximum

358

258

1,790

6

7

2

10

2,900

Mean

172.41

129.87

631.87

1.67

2.31

0.92

0.28

693.18

Median

148.00

122.00

537.50

1.00

2.00

1.00

0.00

613.00

SD

67.39

45.59

364.43

1.59

1.77

0.62

1.60

628.13

FFP = fresh frozen plasma.

PP = plateletpheresis.

RBCC = red blood cells concentrate.

SD = standard deviation.