Skip to main content

Table 2 Peri- and postoperative data

From: Impact of age on early outcome after coronary bypass graft surgery using minimized versus conventional extracorporeal circulation

Variable

CECC (n = 1,137) [group A]

MECC (n = 1,137) [group B]

p-value

No of grafts [n]

3 (2; 3) Range (1 – 6)

3 (2; 4) Range (1 – 6)

0.004

Use of LIMA [n; %]

1061 (86)

1150 (93)

< 0.001

Bypass time [min]

93 (75; 116)

78 (60; 97)

< 0.001

Aortic cross clamp time [min]

53 (44; 66)

47 (35; 60)

< 0.001

Drainage-loss [mL]

550 (350; 800)

550 (370; 850)

0.33

Resternotomy [n; %]

67 (5.4)

69 (5.6)

0.93

Mechanical ventilation [hours]

12 (9; 16)

11 (8; 15)

0.34

Serum creatinine postoperative [mL × min−1 × 1,73 m−2]

1 (0.9; 1.3)

0.9 (0.8; 1.2)

< 0.001

Serum creatinine at discharge [mL × min−1 × 1,73 m−2]

1.1 (0.9; 1.4)

1 (0.9; 1.3)

< 0.001

Postoperative dialysis [n; %]

49 (4.0)

27 (2.2)

0.01

 < 59 (group 1)

6 (2.5)

2 (0.8)

0.29

 60 – 69 (group 2)

17 (3.9)

8 (1.8)

0.10

 70 – 79 (group 3)

20 (4.1)

12 (2.5)

0.21

 > 80 (group 4)

6 (8.3)

5 (6.9)

1.0

Low cardiac output syndrome [n; %]

37 (3)

15 (1.2)

0.003

Central neurologic event [n; %]

26 (2.1)

16 (1.3)

0.16

Respiratory insufficiency [n; %]

122 (9.9)

82 (6.6)

0.004

Reintubation [n; %]

36 (2.9)

30 (2.4)

0.53

Pneumonia [n; %]

64 (5.2)

42 (3.4)

0.04

ICU-stay [days]

1 (1; 3)

1 (1; 2)

< 0.001

Hospitalization [days]

11 (9; 14)

11 (9; 13)

0.22

In-hospital mortality [n; %]

51 (4.1)

21 (1.7)

< 0.001

30-day mortality [n; %]

56 (4.5)

27 (2.2)

0.002

 ≤ 59 (group 1)

8 (3.3)

2 (0.8)

0.11

 60 – 69 (group 2)

22 (4.5)

8 (1.8)

0.03

 70 – 79 (group 3)

20 (4.1)

13 (2.6)

0.29

 ≥ 80 (group 4)

8 (11.1)

4 (5.6)

0.37